Modularized guardrail

Abstract

The utility model discloses a modularized guardrail which comprises a plurality of stand columns and cross beams arranged among the stand columns, a plurality of vertical rods are further arranged among the cross beams, the cross beams and the stand columns are connected with the stand columns through first connecting pieces arranged on the side faces of the stand columns, the vertical rods are connected with the cross beams through second connecting pieces, and locking assemblies are further arranged. The first connecting piece comprises a base and a boss arranged on the base, the bottom face of the base is connected with the stand column, and the first connecting piece is fixed to the stand column through the locking assembly. The cross beam is arranged on the boss in a sleeving mode, a second fixing hole is further formed in the side face of the boss, second through holes corresponding to the second fixing hole are formed in the two ends of the cross beam, and the locking assembly penetrates through the second fixing hole and the second through holes to fixedly connect the cross beam with the first connecting piece. The boss is matched with the hollow cavity of the cross beam, so that the cross beam can be rapidly and accurately arranged on the boss in a sleeving mode, and installation efficiency is improved. And by increasing the supporting area between the cross beam and the connecting piece, the stability of overall connection is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of guardrails, particularly to a modular guardrail. BACKGROUND

[0002] With the development of guardrail technology, rapid assembly type guardrails have emerged. This technology features rapid disassembly and assembly of guardrails through modular design to meet the temporary isolation needs of different scenarios and improve the convenience of transportation and installation.

[0003] The patent document with the publication number CN202706369U provides a rapid assembly type guardrail, which includes an upright column and a horizontal rod arranged transversely on the top end surface of the upright column. The top end surface of the upright column is provided with left and right positioning holes arranged in left and right directions. The horizontal rod includes a left horizontal rod and a right horizontal rod, which are connected to the top end surface of the upright column by screws passing through the left and right horizontal rods and being screwed into the left and right positioning holes. This mainly solves the problem of loose structure of the detachable guardrail product.

[0004] However, the rapid assembly type guardrail provided by the above patent has a small contact area between the horizontal rod and the upright column, which makes it difficult to align during connection and affects the stability of the connection. UTILITY MODEL CONTENTS

[0005] Therefore, it is necessary to provide a modular guardrail to solve the problems of difficulty in aligning the horizontal rod and the upright column and low connection stability in the above technical solution.

[0006] The present application provides a modular guardrail, which includes a plurality of upright columns and a plurality of horizontal beams arranged between the upright columns. A plurality of vertical rods are arranged between the horizontal beams.

[0007] The horizontal beams are connected to the upright columns through first connecting members arranged on the side surfaces of the upright columns. Locking assemblies are arranged between the horizontal beams and the first connecting members, between the first connecting members and the upright columns.

[0008] The first connecting members include a base and a boss arranged on the base. The bottom surface of the base is connected to the upright column. The base is further provided with a first fixing hole. The upright column is provided with a first through hole corresponding to the first fixing hole. The locking assembly passes through the first fixing hole and the first through hole to fix the first connecting member on the upright column.

[0009] The cross beam is a hollow structure, the boss is matched with the hollow cavity of the cross beam, the cross beam is sleeved on the boss, the side surface of the boss is further provided with a second fixing hole, the two ends of the cross beam are provided with a second through hole corresponding to the second fixing hole, and the locking assembly is threaded through the second fixing hole and the second through hole to fixedly connect the cross beam and the first connecting piece.

[0010] The vertical rod is connected with the cross beam through a second connecting piece, the second connecting piece is arranged at the two ends of the vertical rod, one end of the second connecting piece is connected with the cross beam, and the other end of the second connecting piece is provided with a mounting structure, and one or more clamping portions for connecting the vertical rod are arranged in the mounting structure.

[0011] Optionally, the cross beam is provided with a positioning protrusion, one end of the second connecting piece is provided with a groove facing the cross beam, the groove is matched with the positioning protrusion, a third connecting hole is arranged on the side wall of the groove, and a locking piece is further arranged between the groove and the positioning protrusion, the locking piece is threaded through the third connecting hole and abuts against the positioning protrusion, so as to fixedly connect the cross beam and the second connecting piece.

[0012] Optionally, one end of the second connecting piece is provided with a positioning plate for abutting against the cross beam, a fourth connecting hole is arranged on the side wall of the positioning plate, a positioning hole corresponding to the fourth connecting hole is arranged on the cross beam, and a locking assembly is further arranged between the positioning plate and the cross beam, the locking assembly is threaded through the fourth connecting hole and the positioning hole, so as to fixedly connect the cross beam and the second connecting piece.

[0013] Optionally, the vertical rod comprises a light source, a connecting end cover and a light uniformizing cover, the light uniformizing cover is sleeved on the light source, the connecting end cover is arranged at the two ends of the light uniformizing cover, and the light source is fixedly connected with the light uniformizing cover through the connecting end cover.

[0014] Optionally, the vertical rod further comprises a mesh pipe, the mesh pipe is sleeved outside the light uniformizing cover and connected with the connecting end cover, and a plurality of light transmission meshes are arranged on the pipe body of the mesh pipe.

[0015] Optionally, the light source is connected with an external energy supply device through a power line, the first connecting piece is provided with a first wire passing hole for threading the power line, and the first wire passing hole is in communication with the hollow cavity of the cross beam.

[0016] Optionally, the second connecting piece has a containing cavity, the bottom of the groove is provided with a second wire passing hole, the second wire passing hole is in communication with the containing cavity and in communication with the clamping portion through the containing cavity, so as to thread the power line.

[0017] Optionally, the connecting end cover is provided with a first clamping jaw and a second clamping jaw at one end thereof facing the second connecting piece, a plurality of the first clamping jaws are arranged along the circumference of one end of the end cover and used for clamping in the clamping part to limit the movement of the connecting end cover away from the second connecting piece, and a plurality of the second clamping jaws are arranged in a staggered manner with the first clamping jaws and used for clamping the mesh pipe to limit the axial movement of the mesh pipe.

[0018] The connecting end cover is provided with a clamping groove matched with the light source at one end thereof facing the light source, and the end of the light source is arranged in the clamping groove.

[0019] Optionally, the locking assembly comprises a bolt and a nut.

[0020] Optionally, the locking piece is a screw.

[0021] Compared with the prior art, the technical scheme provided in the application has the following beneficial effects:

[0022] The base bottom surface of the first connecting piece is connected with the stand column, the base bottom surface has a large area, the contact area between the stand column and the base is increased, stress concentration caused by external force can be effectively dispersed, and the stability and impact resistance of the connection are improved. The boss is matched with the hollow cavity of the cross beam, so that the cross beam can be quickly and accurately sleeved on the boss, the alignment operation in the installation process is simplified, and the installation efficiency is improved. The design of the boss further increases the contact area between the cross beam and the first connecting piece, so that the stress on the cross beam is more uniform. By increasing the support area between the cross beam and the connecting piece, damage or loosening caused by stress concentration is effectively avoided, and the stability and durability of the overall connection are further improved. The locking assembly penetrates the first fixing hole and the first through hole, and the second fixing hole and the second through hole, so that the connection between the components is more compact and reliable. This design makes the installation operation simple and intuitive, greatly reduces the installation time, and also makes subsequent maintenance or replacement of components more convenient. The penetrating locking mode can ensure firm connection while facilitating maintenance personnel to quickly disassemble or replace components, improving maintenance efficiency.

[0023] The stand column can be quickly and accurately connected with the cross beam through the second connecting piece, the installation steps between the stand column and the cross beam are simplified, and the stability of the connection is enhanced. The clamping part in the installation structure of the second connecting piece has a certain elasticity or fastening property, so that the stand column can be quickly positioned and firmly fixed during clamping. This clamping method reduces the complexity and time consumption of traditional bolt connection alignment, significantly improves the assembly efficiency of the guardrail, and also facilitates subsequent maintenance or replacement operations. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The overall structure schematic diagram of the modular guardrail provided in an embodiment of the application is shown.

[0025] Figure 2 The connection between the first connecting piece and the vertical column of the modular guardrail provided by an embodiment of the present application;

[0026] Figure 3 The connection between the first connecting piece and the horizontal beam of the modular guardrail provided by an embodiment of the present application;

[0027] Figure 4 The connection between the second connecting piece and the vertical column of the modular guardrail provided by an embodiment of the present application;

[0028] Figure 5 The structure of the second connecting piece of the modular guardrail provided by an embodiment of the present application;

[0029] Figure 6 The connection between the second connecting piece and the horizontal beam of the modular guardrail provided by an embodiment of the present application;

[0030] Figure 7 The structure of another second connecting piece provided by an embodiment of the present application;

[0031] Figure 8 The structure of the vertical column of the modular guardrail provided by an embodiment of the present application;

[0032] Figure 9 The connection between the first connecting piece, the horizontal beam and the second connecting piece of the modular guardrail provided by an embodiment of the present application;

[0033] Figure 10 The internal structure between the second connecting piece and the power line of the modular guardrail provided by an embodiment of the present application;

[0034] Figure 11 The structure of the connecting end cover of the modular guardrail provided by an embodiment of the present application.

[0035] Explanation of reference signs:

[0036] 100 - vertical column; 110 - first through hole;

[0037] 200 - horizontal beam; 210 - second through hole; 220 - positioning protrusion;

[0038] 300 - vertical column; 310 - light source; 320 - connecting end cover; 321 - first clamping jaw; 322 - second clamping jaw; 323 - clamping slot; 330 - light uniformity cover; 340 - mesh pipe;

[0039] 400 - first connecting piece; 410 - base; 411 - first fixing hole; 420 - boss; 421 - second fixing hole; 430 - first wire passing hole;

[0040] 500 - second connecting member; 510 - clamping portion; 520 - groove; 521 - third connecting hole; 530 - positioning plate; 540 - fourth connecting hole;

[0041] 600 - power cord. DETAILED DESCRIPTION

[0042] In order to make the above objectives, characteristics and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of ways other than those specifically described herein, and it is to be understood that the present application is not limited in its application to the details of the description below. In other instances, well-known methods associated with the present application have not been described in detail in order to avoid unnecessarily obscuring the present application.

[0043] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0044] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0045] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] In the utility model, unless another definite provision and limitation, first feature is on second feature "on" or "under" can be first and second feature direct contact, or first and second feature indirectly contact through intermediate medium. Moreover, first feature is on second feature "on", "above" and "on" can be first feature is directly above or obliquely above second feature, or just indicate that first feature horizontal height is higher than second feature. First feature is on second feature "under", "below" and "under" can be first feature is directly below or obliquely below second feature, or just indicate that first feature horizontal height is less than second feature.

[0047] It should be noted that when an element is referred to as being "fixed to" or "set to" another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only implementation.

[0048] Referring to Figures 1 to 3 The utility model provides a modular guardrail, including a plurality of stand 100 and the crossbeam 200 of setting between stand 100, still be equipped with a plurality of vertical rod 300 between crossbeam 200,

[0049] The crossbeam 200 is connected with the stand 100 through the first connecting piece 400 arranged on the side surface of the stand 100, and the crossbeam 200 is further provided with a locking assembly between the first connecting piece 400 and the stand 100;

[0050] The first connecting piece 400 includes a base 410 and a boss 420 arranged on the base 410, the bottom surface of the base 410 is connected with the stand 100, and the base 410 is further provided with a first fixing hole 411, the stand 100 is provided with a first through hole 110 corresponding to the first fixing hole 411, and the locking assembly is arranged through the first fixing hole 411 and the first through hole 110 to fix the first connecting piece 400 on the stand 100;

[0051] The crossbeam 200 is a hollow structure, the boss 420 is matched with the hollow cavity of the crossbeam 200, the crossbeam 200 is sleeved on the boss 420, the side surface of the boss 420 is further provided with a second fixing hole 421, and the two ends of the crossbeam 200 are provided with a second through hole 210 corresponding to the second fixing hole 421, and the locking assembly is arranged through the second fixing hole 421 and the second through hole 210 to fixedly connect the crossbeam 200 and the first connecting piece 400.

[0052] In this embodiment, the base 410 of the first connecting piece 400 is connected to the column 100, and the bottom surface of the base 410 has a large area, which increases the contact area between the column 100 and the base 410, effectively disperses the stress concentration caused by external force, and thus improves the stability and impact resistance of the connection. The boss 420 is matched with the hollow cavity of the cross beam 200, so that the cross beam 200 can be quickly and accurately sleeved on the boss 420, simplifying the alignment operation in the installation process and improving the installation efficiency. The design of the boss 420 further enhances the contact area between the cross beam 200 and the first connecting piece 400, making the stress on the cross beam 200 more uniform. By increasing the support area between the cross beam 200 and the connecting piece, damage or loosening caused by stress concentration is effectively avoided, thereby further improving the stability and durability of the overall connection. The locking assembly penetrates the first fixing hole 411 and the first through hole 110, and the second fixing hole 421 and the second through hole 210, making the connection between the components more reliable. This design makes the installation operation simple and intuitive, greatly reducing the installation time, and also makes it more convenient to maintain or replace components in the future. The through locking method can ensure firm connection while facilitating maintenance personnel to quickly disassemble or replace components, improving maintenance efficiency.

[0053] Referring to Figures 4 to 6 , the stand rod 300 is connected to the cross beam 200 through the second connecting piece 500, and the second connecting piece 500 is arranged at both ends of the stand rod 300. One end of the second connecting piece 500 is connected to the cross beam 200, and the other end of the second connecting piece 500 is provided with a mounting structure. The mounting structure is provided with one or more clamping portions 510 for connecting the stand rod 300. Through the second connecting piece 500, the stand rod 300 can be quickly and accurately connected to the cross beam 200, simplifying the installation steps between the stand rod 300 and the cross beam 200, and enhancing the stability of the connection.

[0054] It is worth noting that the second connecting piece 500 can be adapted to different numbers of stand rods 300 according to actual needs. By adjusting the shape of the mounting structure, especially changing the number of clamping portions 510 in the mounting structure, the function of installing one or more stand rods 300 with a single connecting piece can be realized. For example, in the scenario of needing to enhance the strength of the guardrail, a second connecting piece 500 with multiple clamping portions 510 can be selected to fix multiple stand rods 300 at the same time, thereby improving the overall support performance of the guardrail.

[0055] In addition, the clamping portion 510 in the mounting structure is designed to have a certain elasticity, so that the stand rod 300 can be quickly positioned and firmly fixed during clamping. This clamping method reduces the complexity and time-consuming of traditional bolt alignment, significantly improves the assembly efficiency of the guardrail, and also facilitates subsequent maintenance or replacement operations.

[0056] Referring to Figures 4 to 6In some embodiments, the cross beam 200 is provided with a positioning protrusion 220, and the end of the second connecting piece 500 towards the cross beam 200 is provided with a groove 520 which is matched with the positioning protrusion 220, and the side wall of the groove 520 is provided with a third connecting hole 521, and the groove 520 and the positioning protrusion 220 are further provided with a locking piece which penetrates the third connecting hole 521 and abuts against the positioning protrusion 220 to fixedly connect the cross beam 200 and the second connecting piece 500.

[0057] In particular in the present embodiment, in order to further improve the stability and convenience of the connection, the cross section of the upper cross beam 200 is designed as an umbrella shape, and the cross section of the lower cross beam 200 is designed as a convex shape, which not only enhances the structural strength of the cross beam 200 itself, but also provides sufficient installation space for the positioning protrusion 220. The upper and lower cross beams 200 are both provided with the positioning protrusion 220, which facilitates the quick positioning and connection of the groove 520 of the second connecting piece 500. In addition, the third connecting hole 521 provided on the side wall cooperates with the positioning protrusion 220 of the cross beam 200, and after being fixed by the locking piece, it can prevent the cross beam 200 and the second connecting piece 500 from loosening. At the same time, the second through hole 210 is also arranged on the side wall surface of the positioning protrusion 220, and the second connecting hole is arranged on the side wall surface of the structure matched with the positioning protrusion 220 of the convex platform 420, which facilitates the installation and maintenance operation of the construction personnel and improves the overall assembly efficiency of the guardrail.

[0058] Referring to Figure 7 In some embodiments, the end of the second connecting piece 500 towards the cross beam 200 is provided with a positioning plate 530 for abutting against the cross beam 200, the side wall of the positioning plate 530 is provided with a fourth connecting hole 540, the cross beam 200 is provided with a positioning hole corresponding to the fourth connecting hole 540, and a locking assembly is further arranged between the positioning plate 530 and the cross beam 200, which penetrates the fourth connecting hole 540 and the positioning hole to fixedly connect the cross beam 200 and the second connecting piece 500.

[0059] In particular in the present embodiment, the second connecting piece 500 is fixed with the cross beam 200 by arranging a single-sided positioning plate 530, which simplifies the structure and reduces the use of materials on the basis of maintaining the connection strength. This fixing method takes into account the stability of the connection and the convenience of the installation, and is suitable for application in scenes requiring high strength and rapid construction.

[0060] Referring to Figure 8In some embodiments, the vertical rod 300 comprises a light source 310, a connecting end cap 320 and a light homogenizing cover 330, the light homogenizing cover 330 is sleeved on the light source 310, the connecting end cap 320 is arranged at both ends of the light homogenizing cover 330, and the light source 310 is fixedly connected with the light homogenizing cover 330 through the connecting end cap 320. In this embodiment, the design of the vertical rod 300 integrates the light source 310, the connecting end cap 320 and the light homogenizing cover 330, forming a modular structure with lighting function. In this structure, the light homogenizing cover 330 is sleeved on the light source 310, which can effectively and uniformly disperse the light emitted by the light source 310, avoid the direct light from producing glare, and improve the overall lighting effect. The connecting end cap 320 is arranged at both ends of the light homogenizing cover 330, which can not only protect the light homogenizing cover 330, but also fix the light source 310 and the light homogenizing cover 330 through the end cap, ensuring the stability between components.

[0061] Specifically in this embodiment, the light source 310 adopts a long strip-shaped LED light source 310. This light source 310 not only can provide sufficient brightness, but also has the advantages of low energy consumption and long service life, which is very suitable for the lighting needs of the guardrail. The combination of the LED light source 310 and the light homogenizing cover 330 can realize wider light distribution, providing good support for the visibility and decoration effect of the guardrail at night.

[0062] The design of the connecting end cap 320 further enhances the modular performance of the vertical rod 300, and the structure at both ends of the connecting end cap 320 is adapted to the connection interface of the light homogenizing cover 330 and the cross beam 200, facilitating installation and maintenance. During installation, after the light source 310 is fixed with the light homogenizing cover 330 through the connecting end cap 320, it can be directly assembled with other guardrail components, greatly improving the installation efficiency of the guardrail. At the same time, this structured design also facilitates quick replacement when the light source 310 is damaged or aged, reducing maintenance costs.

[0063] Referring to Figure 8 In some embodiments, the vertical rod 300 further comprises a mesh pipe 340, the mesh pipe 340 is sleeved outside the light homogenizing cover 330 and connected with the second connecting piece 500, and a plurality of light-transmitting meshes are arranged on the pipe body of the mesh pipe 340. The mesh pipe 340 plays an effective protection role. It is sleeved outside the light homogenizing cover 330, forming a solid external protective barrier, which can prevent the light homogenizing cover 330 from being damaged due to external impact. This design significantly improves the durability of the vertical rod 300, especially in complex outdoor environments, which can prolong the service life of the guardrail. The plurality of light-transmitting meshes arranged on the pipe body of the mesh pipe 340 ensure that the light emitted by the light source 310 can be uniformly transmitted, without affecting the diffusion effect of the light homogenizing cover 330.

[0064] Referring to Figure 9In some embodiments, the light source 310 is connected with the external power supply device through the power line 600, and the first connecting piece 400 is provided with a first wire hole 430 for penetrating the power line 600, which is in communication with the hollow cavity of the crossbeam 200. This design enables the power line 600 to enter the hollow cavity of the crossbeam 200 from the outside, forming a hidden wiring path. On the one hand, the power line 600 is effectively protected from damage from the external environment; on the other hand, the hidden wiring method improves the overall appearance of the guardrail, avoiding the exposure of messy cables.

[0065] Referring to Figure 10 In some embodiments, the second connecting piece 500 has a receiving cavity, and the bottom of the groove 520 is provided with a second wire hole in communication with the receiving cavity and the clamping portion 510 through the receiving cavity for penetrating the power line 600. This multi-layer structure design can realize the transmission of the power line 600 from the hollow cavity of the crossbeam 200 to the light source 310 inside the vertical rod 300, providing a power supply path for the light source 310. In addition, the design of the receiving cavity also plays a stabilizing and protective role for the power line 600, avoiding the loosening or damage of the cable due to external force.

[0066] Referring to Figure 11 In some embodiments, one end of the connecting end cover 320 facing the second connecting piece 500 is provided with a plurality of first clamping claws 321 arranged along the circumference of the end cover and a plurality of second clamping claws 322 arranged in a staggered manner with the first clamping claws 321, the first clamping claws 321 are used for clamping in the clamping portion 510 to limit the movement of the connecting end cover 320 away from the second connecting piece 500, and the second clamping claws 322 are used for clamping the mesh pipe 340 to limit the axial movement of the mesh pipe 340; one end of the connecting end cover 320 facing the light source 310 is provided with a clamping groove 323 matched with the light source 310, and the end of the light source 310 is arranged in the clamping groove 323.

[0067] In this embodiment, a pair of symmetrically distributed first clamping claws 321 and a pair of symmetrically distributed second clamping claws 322 are arranged on the connecting end cover 320, the height of the first clamping claws 321 is higher than that of the second clamping claws 322, and the clamping claws are made of a material with elasticity. This elastic design enables the clamping claws to produce moderate elastic deformation when cooperating with the clamping portion 510 of the second connecting piece 500, facilitating the smooth embedding of the clamping portion 510. When the first clamping claws 321 are completely clamped into the clamping portion 510, the elastic restoring force can firmly fix the clamping claws in the clamping portion 510, effectively preventing the loosening or falling off of the connecting end cover 320. After the second clamping claws 322 are clamped into the surface of the mesh pipe 340, the axial movement of the mesh pipe 340 is limited, thereby preventing the loosening or displacement of the mesh pipe 340 due to external force. The staggered design of the first clamping claws 321 and the second clamping claws 322 not only avoids interference but also realizes the multifunctional connection of the connecting end cover 320 with the second connecting piece 500 and the mesh pipe 340.

[0068] In addition, the end of the connecting end cap 320 towards the light source 310 is provided with a clamping groove 323 matching the end of the light source 310. The end of the light source 310 can be stably embedded in the clamping groove 323, realizing the quick connection of the light source 310 and the connecting end cap 320. The design of the clamping groove 323 matches the shape and size of the light source 310, which can prevent the light source 310 from being deviated during installation, while ensuring the reliable connection between the light source 310 and the connecting end cap 320.

[0069] Through the above design, the connecting end cap 320 is clamped at one end with the second connecting piece 500 and fixed at the other end with the light source 310, which not only plays a role in structural connection, but also realizes the positioning function of the light source 310. This modular design greatly improves the assembly efficiency of the guardrail assembly, while reducing the installation difficulty.

[0070] In some embodiments, the locking assembly includes a bolt and a nut. In some embodiments, the locking piece is a screw.

[0071] In the above embodiment, the connection between the stand column 100 and the first connecting piece 400 is realized through the locking assembly. The first through hole 110 on the stand column 100 and the first fixing hole 411 on the base 410 of the first connecting piece 400 are matched, and after the bolt passes through the two holes, it is locked by the nut to complete the connection. The locking assembly provides high-strength fixing effect at this part, which can withstand a large external force and ensure the stability of the first connecting piece 400 on the stand column 100. Its design takes into account the firmness of the connection and the convenience of construction.

[0072] The connection between the first connecting piece 400 and the cross beam 200 is also realized through the locking assembly. The hollow cavity of the cross beam 200 is provided with a second through hole 210, and the boss 420 of the first connecting piece 400 is provided with a second fixing hole 421. After the bolt passes through the second fixing hole 421 and the second through hole 210, it is locked by the nut. The locking assembly at this point can ensure the stable connection of the cross beam 200 and the first connecting piece 400, while increasing the load-bearing capacity of the cross beam 200 in the guardrail structure, adapting to the use requirements in complex environment.

[0073] The connection between the cross beam 200 and the second connecting piece 500 is realized through the locking piece (screw). The positioning protrusion 220 of the cross beam 200 is provided with a third connecting hole 521, and the bottom of the groove 520 of the second connecting piece 500 is provided with a threaded hole. The screw passes through the third connecting hole 521 of the positioning protrusion 220 and is screwed into the threaded hole at the bottom of the groove 520 of the second connecting piece 500 to complete the fixation. The use of the locking piece simplifies the connection process at this point, provides a convenient installation method, and at the same time ensures the firmness of the cross beam 200 and the second connecting piece 500.

[0074] Any combination of the technical features in the above-described embodiments can be made, and for the sake of brevity, not all possible combinations are described, however, as long as the combination of the technical features does not exist in contradiction, it shall be considered as the scope of the description.

[0075] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, under the premise of not departing from the utility model concept, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. A modular guardrail comprising a plurality of upright columns (100) and a plurality of crossbeams (200) arranged between the upright columns (100), and a plurality of upright rods (300) arranged between the crossbeams (200), characterized in that the crossbeams (200) are connected to the upright columns (100) through first connectors (400) arranged on the side surfaces of the upright columns (100), and that locking assemblies are further arranged between the crossbeams (200), the first connectors (400) and the upright columns (100). The first connectors (400) comprise bases (410) and bosses (420) arranged on the bases (410), the bottom surfaces of the bases (410) are connected to the upright columns (100), and first fixing holes (411) are further arranged on the bases (410), first through holes (110) corresponding to the first fixing holes (411) are arranged on the upright columns (100), and the locking assemblies are arranged through the first fixing holes (411) and the first through holes (110) to fix the first connectors (400) on the upright columns (100). The crossbeams (200) are hollow structures, the bosses (420) are matched with the hollow cavities of the crossbeams (200), the crossbeams (200) are sleeved on the bosses (420), and second fixing holes (421) are further arranged on the side surfaces of the bosses (420), second through holes (210) corresponding to the second fixing holes (421) are arranged at the two ends of the crossbeams (200), and the locking assemblies are arranged through the second fixing holes (421) and the second through holes (210) to fixedly connect the crossbeams (200) and the first connectors (400). The upright rods (300) are connected to the crossbeams (200) through second connectors (500), the second connectors (500) are arranged at the two ends of the upright rods (300), one end of the second connectors (500) is connected to the crossbeams (200), and the other end of the second connectors (500) is provided with a mounting structure, and one or more clamping portions (510) for connecting the upright rods (300) are arranged in the mounting structure. Positioning protrusions (220) are arranged on the crossbeams (200), recesses (520) are arranged on the end of the second connectors (500) facing the crossbeams (200), the recesses (520) are matched with the positioning protrusions (220), third connecting holes (521) are arranged on the side walls of the recesses (520), and locking members are further arranged between the recesses (520) and the positioning protrusions (220), the locking members are arranged through the third connecting holes (521) and abut against the positioning protrusions (220) to fixedly connect the crossbeams (200) and the second connectors (500).

2. The modular guardrail of claim 1, wherein, ​ 3. The modular guardrail of claim 1, wherein, The second connecting piece (500) is provided with a positioning plate (530) for abutting the cross beam (200) at one end of the cross beam (200), the side wall of the positioning plate (530) is provided with a fourth connecting hole (540), the cross beam (200) is provided with a positioning hole corresponding to the fourth connecting hole (540), and the locking assembly is further arranged between the positioning plate (530) and the cross beam (200), and the locking assembly penetrates the fourth connecting hole (540) and the positioning hole to fixedly connect the cross beam (200) and the second connecting piece (500).

4. The modular guardrail of claim 2, wherein, The vertical rod (300) comprises a light source (310), a connecting end cover (320) and a light uniformizing cover (330), the light uniformizing cover (330) is sleeved on the light source (310), the connecting end cover (320) is arranged at two ends of the light uniformizing cover (330), and the light source (310) is fixedly connected with the light uniformizing cover (330) through the connecting end cover (320).

5. The modular guardrail of claim 4, wherein, The vertical rod (300) further comprises a mesh pipe (340), the mesh pipe (340) is sleeved outside the light uniformizing cover (330) and connected with the connecting end cover (320), and a plurality of light transmission meshes are arranged on the pipe body of the mesh pipe (340).

6. The modular guardrail of claim 4, wherein, The light source (310) is connected with an external energy supply device through a power line (600), the first connecting piece (400) is provided with a first wire penetrating hole (430) for penetrating the power line (600), and the first wire penetrating hole (430) is in communication with the hollow cavity of the cross beam (200).

7. The modular guardrail of claim 6, wherein, The second connecting piece (500) has an accommodating cavity, the bottom of the groove (520) is provided with a second wire penetrating hole, the second wire penetrating hole is in communication with the accommodating cavity and the clamping portion (510) through the accommodating cavity, and the power line (600) penetrates the second wire penetrating hole.

8. The modular guardrail of claim 5, wherein, The connecting end cover (320) is provided with a first clamping jaw (321) and a second clamping jaw (322) at one end of the second connecting piece (500), a plurality of first clamping jaws (321) are arranged along the circumference of one end of the end cover and are used for being clamped in the clamping portion (510) to limit the movement of the connecting end cover (320) away from the second connecting piece (500), and a plurality of second clamping jaws (322) are arranged in a staggered manner with the first clamping jaws (321) and are used for clamping the mesh pipe (340) to limit the axial movement of the mesh pipe (340). The connecting end cover (320) is provided with a clamping groove (323) matched with the light source (310) at one end of the light source (310), and the end portion of the light source (310) is arranged in the clamping groove (323).

9. The modular guardrail of claim 1, wherein, The locking assembly comprises a bolt and a nut.

10. The modular guardrail of claim 2, wherein, The locking piece is a screw.

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