Spliced metal guardrail
By designing the connecting structure and installation structure in the metal guardrail, the rapid assembly and disassembly of the guardrail is achieved, solving the problems of difficulty in splicing and disassembly and low maintenance efficiency in the existing technology, and improving the efficiency of construction and maintenance.
Patent Information
- Application Number
- CN202420393220.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-01
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-03-01
AI Technical Summary
The existing metal guardrails have difficulties in rapid splicing and disassembly and low maintenance efficiency during assembly and maintenance. The vertical rod needs to be disassembled and replaced as a whole, which is time-consuming and laborious.
A spliced metal guardrail is designed, adopting a connecting structure and installation structure. It can quickly plug and disassemble the cross rod and the vertical rod through mechanical structures such as slots, slide grooves and springs, allowing the vertical rod to be replaced separately.
The rapid assembly and disassembly of guardrails is realized, the efficiency of construction and maintenance is improved, and the time and labor to replace vertical poles is reduced.
Smart Images

Figure CN222797223U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of guardrails, in particular to a spliced metal guardrail. Background Art
[0002] Guardrails, here we are talking about industrial "guardrails", which are mainly used for the protection and protection of personal safety and equipment facilities in residential, highway, commercial areas, public places and other occasions. Guardrails can be seen everywhere in our lives. The price per meter of guardrails will be different depending on the height.
[0003] The patent number CN217925269U in the prior art discloses a metal guardrail that is easy to connect and assemble, including a column, a cast iron base, a top cap, a crossbar, and a vertical bar; two crossbars are arranged opposite to each other, and a number of vertical bars are installed between the two crossbars; the two ends of the two crossbars that clamp the number of vertical bars are installed on a column respectively, and are fixed by long bolts; the column is installed on the cast iron base, and is connected as a whole by short bolts; the top cap is installed on the upper end of the column; the column is an I-shaped tube stamped from a rectangular tube; a bottom sealing plate is fixed to the inner wall of the lower end of the column; the bottom sealing plate is provided with a first threaded hole; and a number of rectangular jacks are provided in the lower half of the grooves on both sides of the column to be plugged and matched with the crossbars. The utility model column, cast iron base, top cap, crossbar and vertical bar only need two types of bolts, long bolts and short bolts, in the process of assembling the guardrail. Only four bolts are needed for one section of the guardrail, and it can be expanded and extended at any time, and the overall assembly is quick and convenient.
[0004] However, the patents in the prior art have the following disadvantages:
[0005] (1) The metal guardrails in the prior art are spliced with bolts, which are cumbersome to connect during use and require the use of tools to assist the bolts in assembly and fixation. During transportation and maintenance, it is not convenient to quickly disassemble the bolts, resulting in low maintenance efficiency. There is a problem of being unable to quickly splice and disassemble, which brings inconvenience to construction workers and reduces work efficiency.
[0006] (2) The metal guardrails of the prior art are connected into an integral structure by bolts, and the vertical bars in the guardrails are directly plugged into the cross bars. When a metal guardrail is damaged by a collision, it is usually a single or multiple vertical bars that are damaged. When a vertical bar is damaged and needs to be replaced, the guardrail can only be disassembled as a whole, and then the damaged vertical bar is taken out and replaced with a good one, which is time-consuming and labor-intensive, and the replacement speed is slow, which reduces the efficiency of maintenance. Utility Model Content
[0007] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a device which is not only quick to assemble and easy to carry, but also can be installed by simply plugging each component together to complete the splicing. The operation is simple and convenient and does not require the assistance of other tools. When the vertical rod is damaged, there is no need to disassemble the guardrail as a whole or replace the entire thing. Only the vertical rod of the damaged part needs to be replaced. The operation is simple and convenient, and the replacement is quick.
[0008] In order to solve the above problems, the technical solution of the utility model is: a spliced metal guardrail, including a column, a cross bar and a vertical bar, the bottom of the column is fixedly connected to a base, the cross bar has two and is arranged oppositely, the top and bottom of both sides of the column are provided with a connecting structure, the opposite side of the cross bar is provided with a mounting structure, and the vertical bar has a plurality of and is clamped between the mounting structures;
[0009] The top and bottom of both sides of the column are provided with a card slot, and the adjacent side of the two card slots is provided with two slide slots 1, and the inner wall of the two slide slots 1 is provided with a limiting groove 1 on the side close to the column;
[0010] Both sides of the crossbar are fixedly connected with a card block, and two through holes are provided at the front and rear ends of the card block surface, and the card block is engaged and connected in the card slot;
[0011] The connecting structure comprises a guide rod 1, wherein the guide rod 1 is fixedly connected to the front and rear ends of the top and bottom of the inner wall of the limiting groove 1, a guide rod 2 is fixedly connected to the middle position of the top and bottom of the inner wall of the limiting groove 1, a movable plate is slidably connected to the guide rod 1 and the guide rod 2, a spring 1 is fixedly sleeved on the guide rod 2 part between the movable plate and the bottom of the inner wall of the limiting groove 1, the movable plate is slidably connected to the limiting groove 1, a pressing plate is fixedly connected to the side of the movable plate away from the column, and the pressing plate is slidably connected to the inside of the slide groove 1;
[0012] Two through holes 2 are provided between the card slot and the limiting slot 1, a fixing slot is provided on the inner wall of the card slot away from the limiting slot 1, and fixing rods are fixedly connected to the front and rear ends of the top of the movable plate, and the fixing rods pass through the through hole 2 and the through hole 1 in sequence and the ends are inserted into the fixing slots.
[0013] Furthermore, the mounting structure includes a mounting seat, which is fixedly connected to a side opposite to the cross bar. There are several mounting seats, and a limiting groove 2 is provided on a side of the mounting seat close to the cross bar. A sliding groove 2 is provided at the front and rear ends of the inner wall of the limiting groove 2. A pressure plate is slidably connected in the sliding groove 2, and a spring 2 is fixedly connected between the pressure plate and the inner wall of the limiting groove 2 away from the mounting seat. The vertical rod is slidably connected in the limiting groove 2 and the end thereof is pressed against the surface of the pressure plate.
[0014] The advantages of the utility model compared with the existing technology are:
[0015] (1) The utility model is provided with a connection structure. When installing, it is only necessary to pull the pressing plate, insert the cross bar into the slot of the column, and then release the pressing plate. The spring 1 is reset to drive the fixing rod to pass through the second through hole and the first through hole in turn, and the end is inserted into the fixing slot. The cross bar can be spliced and installed, and the column and the cross bar are connected into an integral structure. When dismantling, it is only necessary to pull the pressing plate again to make the fixing rod detach from the fixing slot and the first through hole in turn, and then the cross bar can be removed, which is convenient for quickly splicing and installing the metal guardrail or disassembling the metal guardrail, saving time and improving work efficiency.
[0016] (2) The utility model is provided with an installation structure. Through the installation seat, when installing the metal guardrail, one end of the vertical rod is inserted into the interior of the installation seat of the lower horizontal rod, and the pressure plate is pushed downward with force to slide in the limit groove 2. The spring 2 is compressed under the action of pressure. When it is compressed to a suitable position, the top of the vertical rod is inserted into the interior of the installation seat of the upper horizontal rod. The pressure plate will press and push the vertical rod tightly under the elastic force of the spring 2 to complete the installation of the vertical rod, saving time and effort, and realizing the detachable function of the vertical rods that can be removed one by one. When a vertical rod is damaged and needs to be replaced, it only needs to be replaced. There is no need to disassemble the entire guardrail or replace the guardrail as a whole, thereby improving the efficiency of maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 The utility model is a three-dimensional spliced metal guardrail Figure 1 .
[0018] Figure 2 The utility model is a three-dimensional spliced metal guardrail Figure 2 .
[0019] Figure 3 It is a side view of a spliced metal guardrail of the utility model.
[0020] Figure 4 It is a side sectional view of a spliced metal guardrail of the utility model.
[0021] Figure 5 The utility model is a three-dimensional spliced metal guardrail Figure 3 .
[0022] Figure 6 It is a front sectional view of a spliced metal guardrail of the utility model.
[0023] Figure 7 It is a structural schematic diagram of the side sectional view A of a spliced metal guardrail of the utility model.
[0024] Figure 8It is a structural schematic diagram of the front cross-sectional view B of a spliced metal guardrail of the utility model.
[0025] As shown in the figure: 1. Post; 11. Slot; 12. Slide 1; 13. Limiting slot 1; 2. Base; 3. Crossbar; 31. Block; 32. Through hole 1; 4. Connecting structure; 41. Guide rod 1; 42. Guide rod 2; 43. Spring 1; 44. Movable plate; 45. Through hole 2; 46. Fixed slot; 47. Fixed rod; 48. Pressing plate; 5. Mounting structure; 51. Mounting seat; 52. Limiting slot 2; 53. Slide 2; 54. Pressure plate; 55. Spring 2; 6. Vertical bar. DETAILED DESCRIPTION
[0026] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings, wherein the same parts are represented by the same reference numerals.
[0027] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.
[0028] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
[0029] like Figures 1 to 8 As shown, a spliced metal guardrail includes a column 1, a cross bar 3 and a vertical bar 6, the bottom of the column 1 is fixedly connected to a base 2, the top and bottom of both sides of the column 1 are provided with a card slot 11, the adjacent side of the two card slots 11 is provided with two slide grooves 12, the inner wall of the two slide grooves 12 is provided with a limiting groove 13 on the side close to the column 1, wherein the width of the slide groove 12 is smaller than the limiting groove 13, the card slots 11 arranged on both sides of the column 1 are convenient for expansion and extension at any time, and the overall assembly is quick and convenient.
[0030] There are two cross bars 3 and they are arranged opposite to each other. Blocks 31 are fixedly connected on both sides of the cross bars 3. Two through holes 32 are provided at the front and rear ends of the surface of the block 31. The block 31 is snap-fitted and connected to the slot 11. The size of the block 31 matches the size of the slot 11.
[0031] A connecting structure 4 is provided at the top and bottom of both sides of the column 1, and the connecting structure 4 includes a guide rod 41, which is fixedly connected to the front and rear ends of the top and bottom of the inner wall of the limiting groove 13, and a guide rod 2 42 is fixedly connected to the middle position of the top and bottom of the inner wall of the limiting groove 13, and a movable plate 44 is slidably connected to the guide rod 41 and the guide rod 2 42, and a spring 43 is fixedly sleeved on the part of the guide rod 2 42 between the movable plate 44 and the bottom of the inner wall of the limiting groove 13, and the movable plate 44 is slidably connected in the limiting groove 13, and a pressing plate 48 is fixedly connected to the side of the movable plate 44 away from the column 1, and the pressing plate 48 is slidably connected to the inside of the slide groove 12, and two through holes 2 45 are provided between the slot 11 and the limiting groove 13, and a fixing groove 46 is provided on the inner wall of the slot 11 away from the limiting groove 13. The front and rear ends of the top of the movable plate 44 are fixedly connected There is a fixing rod 47, which passes through the second through hole 45 and the first through hole 32 in sequence and the end portion is inserted into the fixing groove 46. During use, the pressing plate 48 is pulled in the direction away from the slot 11, and the pressing plate 48 drives the movable plate 44 to slide on the guide rod 1 41 and the second guide rod 42 and squeeze the spring 1 43, and then the cross bar 3 is inserted into the slot 11 of the column 1, and then the pressing plate 48 is released, and the spring 1 43 is reset to drive the fixing rod 47 to pass through the second through hole 45 and the first through hole 32 in sequence and the end portion is inserted into the fixing groove 46, so that the splicing and installation of the cross bar 3 can be completed, and the column 1 and the cross bar 3 are connected into an integral structure. When dismantling, it is only necessary to pull the pressing plate 48 again to make the fixing rod 47 disengage from the fixing groove 46 and the first through hole 32 in sequence, and then the cross bar 3 can be removed, which is convenient for quickly splicing and installing the metal guardrail or disassembling the metal guardrail, saving time and improving work efficiency.
[0032] A mounting structure 5 is provided on the side opposite to the cross bar 3, and there are several vertical rods 6 that are clamped between the mounting structures 5. The mounting structure 5 includes a mounting seat 51, and the mounting seat 51 is fixedly connected to the side opposite to the cross bar 3. There are several mounting seats 51. A limiting groove 2 52 is provided on the side of the mounting seat 51 close to the cross bar 3, and a sliding groove 2 53 is provided at the front and rear ends of the inner wall of the limiting groove 2 52. A pressing plate 54 is slidably connected in the sliding groove 2 53, and a spring 2 55 is fixedly connected between the pressing plate 54 and the inner wall of the limiting groove 2 52 away from the mounting seat 51. The vertical rod 6 is slidably connected in the limiting groove 2 52 and the end thereof is pressed against the surface of the pressing plate 54. In use, one end of the vertical rod 6 is inserted into the mounting seat 51 of the lower cross bar 3. When the spring 2 55 is pressed against the top of the support rail 54, the top of the support rail 54 is pressed against the top of the support rail 54, and the support rail 54 is pressed against the top of the support rail 54.
[0033] In specific use, when assembling, it is only necessary to pull the pressing plate 48, and then insert the cross bar 3 into the slot 11 of the column 1, and then release the pressing plate 48, the spring 1 43 is reset to drive the fixing rod 47 to pass through the through hole 2 45 and the through hole 1 32 in turn and the end is inserted into the fixing groove 46, and the splicing and installation of the cross bar 3 can be completed, and the column 1 and the cross bar 3 are connected into an integral structure. When dismantling, it is only necessary to pull the pressing plate 48 again to make the fixing rod 47 disengage from the fixing groove 46 and the through hole 1 32 in turn, and then the cross bar 3 can be removed, which is convenient for quickly splicing and installing the metal guardrail or disassembling the metal guardrail. When installing the metal guardrail, insert one end of the vertical rod 6 into the installation of the lower cross bar 3. Inside the seat 51, the vertical rod 6 is pushed downward with force to drive the pressure plate 54 to slide in the limit groove 2 52. The spring 2 55 is compressed under the pressure. When it is compressed to a suitable position, the top of the vertical rod 6 is inserted into the inside of the mounting seat 51 of the upper cross bar 3. The pressure plate 54 will press and push the top of the vertical rod 6 under the elastic force of the spring 2 55, and the installation of the vertical rod 6 can be completed, which saves time and effort, and realizes the detachable function of the vertical rod 6 that can be removed one by one. When a vertical rod 6 is damaged and needs to be replaced, it is only necessary to replace the vertical rod 6. There is no need to disassemble the entire metal guardrail or replace the metal guardrail as a whole, which improves the efficiency of maintenance and replacement.
[0034] 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 spliced metal guardrail, comprising a column (1), a crossbar (3) and a vertical bar (6), characterized in that: The bottom of the column (1) is fixedly connected to a base (2), there are two cross bars (3) arranged opposite to each other, the top and bottom of both sides of the column (1) are provided with connection structures (4), the opposite side of the cross bar (3) is provided with a mounting structure (5), and there are a plurality of vertical bars (6) which are clamped between the mounting structures (5); The top and bottom of both sides of the column (1) are provided with a card slot (11), two slide slots (12) are provided on the adjacent side of the two card slots (11), and a limiting slot (13) is provided on the inner wall of the two slide slots (12) on the side close to the column (1); Both sides of the cross bar (3) are fixedly connected with a clamping block (31), and two through holes (32) are provided at the front and rear ends of the surface of the clamping block (31), and the clamping block (31) is clamped and connected in the clamping slot (11); The connecting structure (4) comprises a guide rod 1 (41), wherein the guide rod 1 (41) is fixedly connected to the front and rear ends of the top and bottom of the inner wall of the limiting groove 1 (13), and a guide rod 2 (42) is fixedly connected to the middle position of the top and bottom of the inner wall of the limiting groove 1 (13), and a movable plate (44) is slidably connected to the guide rod 1 (41) and the guide rod 2 (42), and a spring 1 (43) is fixedly sleeved on the part of the guide rod 2 (42) between the movable plate (44) and the bottom of the inner wall of the limiting groove 1 (13), and the movable plate (44) is slidably connected in the limiting groove 1 (13), and a pressing plate (48) is fixedly connected to the side of the movable plate (44) away from the column (1), and the pressing plate (48) is slidably connected to the inside of the sliding groove 1 (12); Two through holes (45) are provided between the clamping slot (11) and the limiting slot (13); a fixing slot (46) is provided on the inner wall of the clamping slot (11) away from the limiting slot (13); and fixing rods (47) are fixedly connected at the front and rear ends of the top of the movable plate (44); the fixing rods (47) pass through the through hole (45) and the through hole (32) in sequence, and the ends of the fixing rods (47) are inserted into the fixing slots (46).
2. A spliced metal guardrail according to claim 1, characterized in that: The mounting structure (5) comprises a mounting seat (51), wherein the mounting seat (51) is fixedly connected to a side opposite to the cross bar (3), and there are a plurality of mounting seats (51). A second limiting groove (52) is provided on a side of the mounting seat (51) close to the cross bar (3), and a second sliding groove (53) is provided at both front and rear ends of an inner wall of the second limiting groove (52). A pressure plate (54) is slidably connected in the second sliding groove (53), and a second spring (55) is fixedly connected between the pressure plate (54) and the inner wall of the second limiting groove (52) on a side away from the mounting seat (51). The vertical rod (6) is slidably connected in the second limiting groove (52) and its end is pressed against the surface of the pressure plate (54).
Citation Information
Patent Citations
Metal guardrail convenient to connect and assemble
CN217925269U