Construction guardrail with adjustable height

Abstract

The height-adjustable construction guardrail comprises a frame, a cross rod, a stop lever and a connecting plate, the cross rod is installed between the opposite surfaces of the frame, the stop lever penetrates through the connecting plate, the two ends of the stop lever are connected with the frame and the cross rod respectively, a fixing plate is arranged between the frame and the cross rod, an adjusting rod is arranged in the fixing plate, and the adjusting rod is connected with the cross rod. A cross arm is arranged at the top end, penetrating through the fixing plate and the frame, of the adjusting rod, a connecting block, a connecting plate and fixing rods are arranged on the outer side of the adjusting rod, the adjusting rod penetrates through the connecting block, the top end of the connecting plate is connected with the connecting block, the fixing rods are distributed on the surface of the connecting plate at equal intervals, a hand screw penetrates through the connecting block, and a limiting plate is arranged in the connecting plate; the guardrail is provided with the design for conveniently changing the height of the construction guardrail, the cross arm and the adjusting rod are moved upwards, the fixing rod penetrates through the limiting plate, limiting of the fixing rod is achieved, then the adjusting rod with the changed height is supported, and the overall height of the construction guardrail is conveniently changed.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction guardrails, and in particular relates to a construction guardrail with adjustable height. Background Art

[0002] Construction guardrail is a tool for isolation and warning made of iron pipes, which is processed through seamless iron pipe bending, welding, grinding and polishing, high-pressure painting, film pasting and other processes. It is generally used in ordinary roads, highways, and intersections of highways at all levels, toll booths, bridges, parking lots, stations, docks, dangerous areas and road construction areas, temporary isolation fences at assembly sites, etc. as road dividers, regional enclosures, safe isolation, diversion, and guidance;

[0003] When construction guardrails are used as isolation on roads, the height of the construction guardrails is generally fixed. When the height of the construction guardrails needs to be increased, multiple construction guardrails need to be stacked, or higher height construction guardrails need to be replaced. The height of the construction guardrails cannot be easily changed, and it is inconvenient to adjust the height of construction guardrails used on roads, which limits the use of construction guardrails. When construction guardrails are used on roads, there is a problem that there is no design on the guardrails that can easily change the height of the construction guardrails. For this reason, the present application proposes a construction guardrail with adjustable height. Utility Model Content

[0004] The utility model aims to provide a construction guardrail with adjustable height, so as to solve the problem that there is no convenient design for changing the height of the construction guardrail on the guardrail proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a construction guardrail with adjustable height, comprising a frame, a cross bar, a baffle bar and a connecting plate, the cross bar being installed between opposite surfaces of the frame, the baffle bar passing through the connecting plate, the two ends of the baffle bar being respectively connected to the frame and the cross bar, a fixing plate being provided between the frame and the cross bar, an adjusting rod being provided in the fixing plate, the adjusting rod passing through the fixing plate and a cross arm being provided at the top end of the frame, a connecting block, a connecting plate and a fixing rod being provided on the outside of the adjusting rod, the adjusting rod passing through the connecting block, the top end of the connecting plate being connected to the connecting block, the fixing rods being equidistantly distributed on the surface of the connecting plate, the connecting block being passed through a hand screw, and a limit plate being provided in the connecting plate.

[0006] Preferably, the connecting plate is in a curved shape, the connecting plate and the surface opposite to the adjusting rod are matched, and the fixing rod is a right-angle curved structure.

[0007] Preferably, the connecting plate is provided with a second movable groove, the cross arm is located in the second movable groove and a vertical limiting rod is provided, the limiting plate is located in the second movable groove, the limiting plate passes through the limiting rod, the connecting plate and the blocking rod, and the limiting plate is slidably connected to the connecting plate.

[0008] Preferably, the end of the limit plate located in the second movable groove of the connecting plate is a "T"-shaped structure, a semicircular ring is provided on the "T"-shaped end of the limit plate, and a circular hole for the fixing rod to pass through is provided on the other end of the limit plate.

[0009] Preferably, a partition rod is provided between the opposing adjustment rods, a connecting ring is provided at the end of the partition rod, one end of the adjustment rod close to the end of the cross arm passes through the connecting ring, and the connecting ring is slidably connected to the adjustment rod.

[0010] Preferably, first movable grooves are provided on the surfaces of both ends of the partition rod, and the partition rod is provided with a limiting rod in the first movable groove, and the limiting rod is slidably connected to the partition rod.

[0011] Preferably, a through hole is provided on the adjusting rod, one end of the limiting rod is a circular ring structure, and the other end of the limiting rod is gap-matched with the through hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, the guardrail is designed to conveniently change the height of the construction guardrail. The cross arm and the adjusting rod are moved upward, and the fixed rod is passed through the limiting plate to limit the fixed rod, so that the adjusting rod whose height is changed is supported, thereby conveniently changing the overall height of the construction guardrail. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0016] Figure 3 It is a side structural schematic diagram of the connecting plate of the utility model;

[0017] In the figure: 2, fixed plate; 3, adjusting rod; 4, horizontal arm; 6, dividing rod; 11, frame; 12, horizontal rod; 13, stop rod; 14, connecting plate; 31, through hole; 51, connecting block; 52, connecting plate; 53, fixed rod; 61, connecting ring; 62, first movable groove; 63, limit rod; 141, limit plate; 511, hand screw. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example

[0020] See also Figures 1 to 3 The utility model provides a technical solution: a construction guardrail with adjustable height, including a frame 11, a cross bar 12, a blocking rod 13 and a connecting plate 14, the cross bar 12 is installed between the opposite surfaces of the frame 11, the blocking rod 13 is combined with the frame 11, the cross bar 12 and the connecting plate 14 by a conventional method, the frame 11 and the cross bar 12 are combined by a conventional method, the blocking rod 13 passes through the connecting plate 14, and the two ends of the blocking rod 13 are respectively connected to the frame 11 and the cross bar 12; a fixed plate 2 is provided between the frame 11 and the cross bar 12, the fixed plate 2 is combined with the frame 11 and the cross bar 12 by a conventional method, an adjusting rod 3 is provided in the fixed plate 2, the adjusting rod 3 is slidably connected to the fixed plate 2, the adjusting rod 3 moves up along direction a, and the height position of the cross arm 4 can be conveniently adjusted, the adjusting rod 3 passes through the fixed plate 2 and the top of the frame 11 is provided with a cross arm 4, the cross arm 4 and the adjusting rod 3 are combined by a conventional method, and the adjustment The outer side of the rod 3 is provided with a connecting block 51, a connecting plate 52 and a fixing rod 53, the adjusting rod 3 passes through the connecting block 51, the top of the connecting plate 52 is connected to the connecting block 51, the connecting plate 52 is combined with the connecting block 51 and the fixing rod 53 by a conventional method, the fixing rod 53 is equidistantly distributed on the surface of the connecting plate 52, the connecting block 51 is penetrated by a hand screw 511, the connecting block 51 is fixed on the adjusting rod 3 by the hand screw 511, and the position of the connecting block 51 on the adjusting rod 3 can be changed by loosening or tightening the hand screw 511, so as to facilitate changing the overall height of the adjusting rod 3 and the connecting plate 52, a limiting plate 141 is provided in the connecting plate 14, the limiting plate 141 is slidably connected to the connecting plate 14, the limiting plate 141 slides in the reverse direction of direction b, and the fixing rod 53 passes through the end of the limiting plate 141, so as to limit the fixing rod 53, thereby supporting the adjusting rod 3 whose height is changed.

[0021] In this embodiment, the connecting plate 52 is in a curved shape, the connecting plate 52 is matched with the surface opposite to the adjusting rod 3, the fixing rod 53 is a right-angle curved structure, the connecting plate 52 is stably fitted with the adjusting rod 3, a second movable groove is provided on the connecting plate 14, the cross arm 4 is located in the second movable groove and is provided with a vertical limiting rod, the limiting plate 141 is located in the second movable groove, the limiting plate 141 passes through the limiting rod, the connecting plate 14 and the blocking rod 13, the limiting plate 141 is slidably connected to the connecting plate 14, and the limiting plate 141 is slidably connected to the connecting plate 14 Then, the limit plate 141 slides in the opposite direction along direction b, and the fixing rod 53 passes through the end of the limit plate 141, so as to limit the fixing rod 53, thereby supporting the adjustment rod 3 whose height is changed. The end of the limit plate 141 located in the second movable groove of the connecting plate 14 is a "T"-shaped structure. A semicircular ring is provided on the "T"-shaped end of the limit plate 141 to facilitate the movement of the limit plate 141. A circular hole for the fixing rod 53 to pass through is provided on the other end of the limit plate 141, and the limit plate 141 supports the fixing rod 53.

[0022] In this embodiment, a partition rod 6 is provided between the opposing adjustment rods 3, and a connecting ring 61 is provided at the end of the partition rod 6. The partition rod 6 is welded to the connecting ring 61, and one end of the adjustment rod 3 near the end of the cross arm 4 passes through the connecting ring 61. The connecting ring 61 is slidably connected to the adjustment rod 3, and the position of the connecting ring 61 on the adjustment rod 3 can be changed. A first movable groove 62 is provided on the surface of the two ends of the partition rod 6, and the partition rod 6 is located in the first movable groove 62 and a limiting rod 63 is provided. The limiting rod 63 is slidably connected to the partition rod 6, and a through hole 31 is provided on the adjustment rod 3. One end of the limiting rod 63 is a circular ring structure, and the other end of the limiting rod 63 is clearance-matched with the through hole 31. The limiting rod 63 slides, and the limiting rod 63 passes through the adjustment rod 3, so that the position of the partition rod 6 and the connecting ring 61 is limited.

[0023] The working principle and use process of this utility model:

[0024] When adjusting the height of the construction guardrail, the adjusting rod 3 is moved a short distance in the direction a so that the fixing rod 53 leaves the limiting plate 141;

[0025] The limiting plate 141 slides along the direction b, so that the end of the limiting plate 141 is misaligned with the fixing rod 53, so as to prevent the limiting plate 141 from affecting the upward movement of the adjusting rod 3 and the fixing rod 53;

[0026] The adjusting rod 3 moves up to a suitable height along direction a, and the limiting plate 141 slides in the opposite direction along direction b, so that the end of the limiting plate 141 is opposite to the fixing rod 53, and the adjusting rod 3 moves down, and the fixing rod 53 passes through the limiting plate 141, so as to limit the fixing rod 53, thereby supporting the adjusting rod 3 whose height has been changed;

[0027] The connecting ring 61 is slidably connected to the adjusting rod 3 to change the position of the connecting ring 61 on the adjusting rod 3;

[0028] The limiting rod 63 slides and passes through the through hole 31 on the adjusting rod 3, so that the positions of the separating rod 6 and the connecting ring 61 are limited;

[0029] In summary, the guardrail is designed to conveniently change the height of the construction guardrail. The cross arm 4 and the adjusting rod 3 are moved upward, and the fixed rod 53 is passed through the limiting plate 141 to limit the fixed rod 53, thereby supporting the adjusting rod 3 whose height has been changed, and conveniently changing the overall height of the construction guardrail.

[0030] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A construction guardrail with adjustable height, comprising a frame (11), a crossbar (12), a blocking rod (13) and a connecting plate (14), wherein the crossbar (12) is installed between opposite surfaces of the frame (11), the blocking rod (13) passes through the connecting plate (14), and the two ends of the blocking rod (13) are respectively connected to the frame (11) and the crossbar (12). Features: A fixing plate (2) is provided between the frame (11) and the cross bar (12), an adjusting rod (3) is provided inside the fixing plate (2), the adjusting rod (3) passes through the fixing plate (2) and the top of the frame (11) and a cross arm (4) is provided, a connecting block (51), a connecting plate (52) and a fixing rod (53) are provided outside the adjusting rod (3), the adjusting rod (3) passes through the connecting block (51), the top of the connecting plate (52) is connected to the connecting block (51), the fixing rods (53) are equidistantly distributed on the surface of the connecting plate (52), a hand screw (511) passes through the connecting block (51), and a limiting plate (141) is provided inside the connecting plate (14).

2. A height-adjustable construction guardrail according to claim 1, Features: The connecting plate (52) is in a curved shape, the connecting plate (52) matches the surface opposite to the adjusting rod (3), and the fixing rod (53) is in a right-angle curved structure.

3. A height-adjustable construction guardrail according to claim 1, Features: The connecting plate (14) is provided with a second movable groove, the cross arm (4) is provided with a vertical limiting rod in the second movable groove, the limiting plate (141) is located in the second movable groove, the limiting plate (141) penetrates the limiting rod, the connecting plate (14) and the blocking rod (13), and the limiting plate (141) is slidably connected to the connecting plate (14).

4. A height-adjustable construction guardrail according to claim 3, Features: The end of the limiting plate (141) located in the second movable groove of the connecting plate (14) is a "T"-shaped structure, a semicircular ring is provided on the "T"-shaped end of the limiting plate (141), and a circular hole for the fixing rod (53) to pass through is provided on the other end of the limiting plate (141).

5. The height-adjustable construction guardrail according to claim 1, Features: A partition rod (6) is provided between the opposing adjustment rods (3), a connecting ring (61) is provided at the end of the partition rod (6), one end of the adjustment rod (3) close to the end of the cross arm (4) passes through the connecting ring (61), and the connecting ring (61) is slidably connected to the adjustment rod (3).

6. A height-adjustable construction guardrail according to claim 5, Features: The surfaces of both ends of the partition rod (6) are provided with first movable grooves (62), and the partition rod (6) is provided with a limiting rod (63) in the first movable groove (62), and the limiting rod (63) is slidably connected to the partition rod (6).

7. A height-adjustable construction guardrail according to claim 6, Features: The adjusting rod (3) is provided with a through hole (31), one end of the limiting rod (63) is a circular ring structure, and the other end of the limiting rod (63) is clearance-matched with the through hole (31).

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