An adjustable guardrail

Abstract

The utility model discloses an adjustable guardrail, which relates to the technical field of isolation guardrails, and comprises two installation tubes, wherein the bottom ends of the two installation tubes are both provided with fixed tubes, and the interiors of the two installation tubes are provided with adjustment height components and combined adjustment components; the adjustment height component comprises a bidirectional screw rod and a sliding shaft, wherein the bidirectional screw rod is rotatably inserted and arranged in the interior of one of the installation tubes through a bearing, and the sliding shaft is arranged in the interior of the other installation tube, and movable blocks are movably arranged in the interiors of the two installation tubes; the combined adjustment component comprises two guardrail cross bars and a plurality of guardrail U-shaped rods; the beneficial effects of the utility model are as follows: the bidirectional screw rod is driven to rotate in the interior of the installation tube by a forward and reverse motor arranged in the height adjustment component, the rotation of the bidirectional screw rod cooperates with the movable block to perform relative movement up and down or opposite movement, and the movement of the guardrail cross bar cooperates with the sliding shaft to drive a plurality of guardrail U-shaped rods to move to appropriate positions.

Description

Technical Field

[0001] The utility model relates to an isolation guardrail, in particular to an adjustable guardrail, and belongs to the technical field of isolation guardrails. Background Art

[0002] The guardrail columns are fixed to the ground by expansion bolts or pre-buried. They are usually installed on both sides of logistics channels, around production equipment, building corners, both sides of doors and the edge of cargo platforms, etc. Guardrails are mainly used to protect equipment and facilities in roads, factories, communities, villas, courtyards, commercial areas, public places and other occasions. Guardrails can be seen everywhere in our lives.

[0003] Among them, an adjustable guardrail with application number "CN202021775405.X" can include a handrail rod, a connecting rod, a guardrail rod structure and a support rod structure; the support rod structure includes a ground support rod, a spiral rod and a rotating block, a connecting rod is provided between the two ground support rods, the ground support rod and the handrail rod are both hollow, a through hole is provided on the lower surface of the handrail rod, a spiral channel block is provided on the upper end of the ground support rod, one end of the spiral rod is screwed into the spiral channel block, and the other end of the spiral rod passes through the through hole of the handrail rod and is connected to the rotating block, the rotating block is arranged inside the handrail rod, the thickness of the rotating block is equal to the hollow thickness of the handrail rod, and the guardrail rod structure includes a lower guardrail rod and an upper guardrail rod; the utility model provides an adjustable guardrail, and the user can adjust the guardrail up and down according to his or her own requirements for the height of the guardrail. There is no need to replace the guardrail due to height issues, which saves costs and manpower, increases the user experience, and can increase the safety of the guardrail. Further search found that the application number is "CN201921175382.6" of an adjustable guardrail, which will include an inner frame, the left and right sides of the inner frame are fixedly installed with support rods, the interior of the inner frame is fixedly installed with equidistant and evenly distributed vertical rods, the interior of the vertical rod is fixedly installed with a fixed column with one end extending to the top of the vertical rod, the top of the fixed column is fixedly installed with a threaded column, the outer side of the threaded column is threadedly connected with a sleeve, the outer side of the sleeve is fixedly installed with a bearing, the outer side of the bearing is fixedly installed with a railing, the top of the railing is fixedly installed with a mounting column, and the interior of the mounting column is provided with a cavity. The adjustable guardrail has the advantages of adjustable height, etc., which solves the problem that the height of the current guardrail is basically fixed and cannot be adjusted, which limits the scope of use of the guardrail, and the guardrail of a specified height needs to be customized to the manufacturer after the design is completed, and the height cannot be adjusted according to the needs of the user.

[0004] However, the above two types still have certain shortcomings when in use. The existing guardrails are not easy to adjust in many aspects when in use and installation, and have certain limitations in use, which affects the use effect. Utility Model Content

[0005] The purpose of the utility model is to provide an adjustable guardrail to solve the problem that the existing guardrails proposed in the above background technology are not easy to adjust in many aspects during use and installation and have certain usage limitations.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable guardrail, comprising two mounting tubes, the bottom ends of the two mounting tubes are provided with fixed tubes, and the interiors of the two mounting tubes are provided with adjustment height components and combined adjustment components; the adjustment height component comprises a bidirectional screw rod and a sliding shaft, the bidirectional screw rod is rotatably inserted and arranged in the interior of one of the mounting tubes through a bearing, the sliding shaft is arranged in the interior of the other mounting tube, and movable blocks are movably arranged in the interiors of the two mounting tubes; the combined adjustment component comprises two guardrail cross bars and a plurality of guardrail U-shaped rods, the two ends of the two guardrail cross bars are respectively connected to one side of the four movable blocks, and the plurality of guardrail U-shaped rods are movably inserted and arranged at the top and bottom of the two guardrail cross bars.

[0007] As a preferred technical solution of the utility model, two of the movable blocks are threadedly sleeved on the top and bottom of the bidirectional screw rod, and the other two movable blocks are slidably sleeved on the top and bottom of the sliding shaft.

[0008] As a preferred technical solution of the utility model, a forward and reverse motor is provided at the top of the inner wall of one of the fixed cylinders, the output shaft of the forward and reverse motor is connected to the bottom end of the bidirectional screw rod, and a strip groove matching the movable block is opened in the middle of the two mounting cylinders.

[0009] As a preferred technical solution of the utility model, the top ends of the two guardrail cross bars are provided with a plurality of insertion openings that cooperate with the guardrail U-shaped bars, one side of the two guardrail cross bars is provided with a plurality of fixing nails that are threaded and inserted at equal intervals, and a plurality of guardrail U-shaped bars are provided with a plurality of threaded grooves that cooperate with the fixing nails at equal intervals.

[0010] As a preferred technical solution of the utility model, a solar panel is provided at the top of the other mounting tube, a current stabilizer is provided at the top of the inner wall of the other fixed tube, and a battery is provided at the bottom end of the inner wall of the other fixed tube, and the solar panel is electrically connected to the battery through the current stabilizer.

[0011] As a preferred technical solution of the utility model, a fixing plate is provided at the bottom ends of the two fixing cylinders.

[0012] As a preferred technical solution of the utility model, an adjustment switch is provided on one side of the top of one of the fixed plates, and the forward and reverse motor is electrically connected to the battery through the adjustment switch.

[0013] Compared with the related art, the adjustable guardrail provided by the utility model has the following beneficial effects:

[0014] The forward and reverse motors arranged in the height adjustment component drive the bidirectional lead screw to rotate inside the installation cylinder, and the rotation of the bidirectional lead screw cooperates with the movable block to perform relative up and down movement or opposite movement, and the movement of the guardrail cross bar cooperates with the sliding shaft to drive several guardrail U-shaped rods to move to appropriate positions. When the guardrail U-shaped rod set in the height adjustment component is movably inserted into the insertion opening to the appropriate position, the fixing nail cooperates with the threaded groove to fix the guardrail U-shaped rod, and the guardrail U-shaped rod and the guardrail cross bar can be freely combined for use, thereby solving the technical problem that the existing guardrail is not convenient for multi-faceted adjustment during use and installation, and has certain usage limitations. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 3 It is a side cross-sectional structural schematic diagram of the utility model;

[0018] Figure 4 It is a schematic diagram of the top cross-sectional structure of the utility model.

[0019] In the figure: 1. Installation cylinder; 2. Fixing cylinder; 3. Height adjustment assembly; 31. Bidirectional screw rod; 32. Bearing; 33. Forward and reverse motor; 34. Movable block; 35. Strip groove; 36. Sliding shaft; 4. Combined adjustment assembly; 41. Guardrail cross bar; 42. Guardrail U-shaped bar; 43. Insertion; 44. Fixing nail; 45. Threaded groove; 46. Solar panel; 47. Flow stabilizer; 48. Battery; 5. Adjustment switch; 6. Fixing plate. DETAILED DESCRIPTION

[0020] 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.

[0021] Embodiment 1:

[0022] See also Figure 1-4 The utility model provides an adjustable guardrail, comprising two installation tubes 1, the bottom ends of the two installation tubes 1 are provided with a fixing tube 2, and the interiors of the two installation tubes 1 are provided with a height adjustment component 3 and a combined adjustment component 4;

[0023] The height adjustment assembly 3 includes a bidirectional screw rod 31 and a sliding shaft 36. The bidirectional screw rod 31 is rotatably inserted into one of the mounting tubes 1 through a bearing 32, and the sliding shaft 36 is arranged in the other mounting tube 1. The insides of the two mounting tubes 1 are both movably provided with movable blocks 34 to facilitate relative movement up and down.

[0024] Two movable blocks 34 are respectively threadedly sleeved on the top and bottom of the bidirectional screw rod 31, and the other two movable blocks 34 are respectively slidably sleeved on the top and bottom of the sliding shaft 36, so as to facilitate the upward and downward movement of the sliding shaft 36;

[0025] A forward and reverse motor 33 is provided at the top of the inner wall of one of the fixed cylinders 2, and the output shaft of the forward and reverse motor 33 is connected to the bottom end of the bidirectional screw rod 31. The middle parts of the two mounting cylinders 1 are provided with a strip groove 35 that matches the movable block 34, so as to drive the bidirectional screw rod 31 to rotate.

[0026] The bottom ends of the two fixing cylinders 2 are both provided with fixing plates 6 for easy fixing and use;

[0027] Specifically, Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, when the guardrail U-shaped rod 42 and the insertion opening 43 provided in the height adjustment component 3 are movably inserted into the appropriate position, the fixing nail 44 and the thread groove 45 cooperate to fix the guardrail U-shaped rod 42.

[0028] Embodiment 2:

[0029] The combined adjustment component 4 includes two guardrail cross bars 41 and a plurality of guardrail U-shaped bars 42. The two ends of the two guardrail cross bars 41 are respectively connected to one side of the four movable blocks 34. The plurality of guardrail U-shaped bars 42 are respectively movably interlaced at the top and bottom of the two guardrail cross bars 41.

[0030] The tops of the two guardrail crossbars 41 are provided with a plurality of insertion openings 43 that match the guardrail U-shaped rods 42, and a plurality of fixing nails 44 are inserted through threads at equal intervals on one side of the two guardrail crossbars 41, and a plurality of thread grooves 45 that match the fixing nails 44 are provided at equal intervals on the plurality of guardrail U-shaped rods 42, so as to facilitate fixing the guardrail U-shaped rods 42 to a proper position;

[0031] A solar panel 46 is provided at the top of another mounting tube 1, a flow stabilizer 47 is provided at the top of the inner wall of another fixing tube 2, and a battery 48 is provided at the bottom of the inner wall of another fixing tube 2. The solar panel 46 is electrically connected to the battery 48 through the flow stabilizer 47 to provide electricity.

[0032] A regulating switch 5 is provided on one side of the top of one of the fixing plates 6, and the forward and reverse motor 33 is electrically connected to the battery 48 through the regulating switch 5, so as to facilitate control and use;

[0033] Specifically, Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the forward and reverse motor 33 arranged in the height adjustment component 3 drives the movable block 34 to rotate inside the bidirectional screw rod 31 in the mounting tube 1, and the rotation of the bidirectional screw rod 31 drives the movable block 34 to move up and down, and the up and down movement of the movable block 34 drives the two guardrail cross bars 41 to move up and down relative to each other or move away from each other, and the movement of the guardrail cross bar 41 cooperates with the sliding shaft 36 to drive several guardrail U-shaped rods 42 to move to appropriate positions, and the guardrail U-shaped rod 42 and the guardrail cross bar 41 can be freely combined and used, which is convenient for multi-faceted adjustment and reduces certain usage limitations.

[0034] When in use, first, the guardrail U-shaped rod 42 and the insertion opening 43 set in the height adjustment component 3 are movably inserted into the appropriate position, and the fixing nail 44 cooperates with the threaded groove 45 to fix the guardrail U-shaped rod 42, and the forward and reverse motor 33 set in the height adjustment component 3 drives the movable block 34 to rotate inside the two-way screw rod 31 in the mounting tube 1. The rotation of the two-way screw rod 31 drives the movable block 34 to move up and down, and the up and down movement of the movable block 34 drives the two guardrail cross bars 41 to move up and down relative to each other or move away from each other. While the guardrail cross bar 41 moves, it cooperates with the sliding shaft 36 to drive several guardrail U-shaped rods 42 to move to the appropriate position. The guardrail U-shaped rod 42 and the guardrail cross bar 41 can be freely combined and used, which is convenient for multi-faceted adjustment and reduces certain usage limitations.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable guardrail, comprising two mounting tubes (1), characterized in that: The bottom ends of the two installation tubes (1) are each provided with a fixing tube (2), and the interiors of the two installation tubes (1) are provided with a height adjustment component (3) and a combined adjustment component (4); The height adjustment assembly (3) comprises a bidirectional screw rod (31) and a sliding shaft (36); the bidirectional screw rod (31) is rotatably inserted into one of the mounting tubes (1) via a bearing (32); the sliding shaft (36) is arranged in the other mounting tube (1); and movable blocks (34) are movably arranged in the two mounting tubes (1); The combined adjustment component (4) comprises two guardrail cross bars (41) and a plurality of guardrail U-shaped bars (42), the two ends of the two guardrail cross bars (41) are respectively connected to one side of four movable blocks (34), and the plurality of guardrail U-shaped bars (42) are respectively movably interlaced at the top and bottom of the two guardrail cross bars (41).

2. An adjustable guardrail according to claim 1, characterized in that: Two of the movable blocks (34) are respectively threadedly sleeved on the top and bottom of the bidirectional screw rod (31), and the other two movable blocks (34) are respectively slidably sleeved on the top and bottom of the sliding shaft (36).

3. The adjustable guardrail according to claim 1, characterized in that: A forward and reverse motor (33) is provided at the top of the inner wall of one of the fixed cylinders (2), and the output shaft of the forward and reverse motor (33) is connected to the bottom end of the bidirectional screw rod (31). The middle parts of the two mounting cylinders (1) are provided with a strip groove (35) that matches the movable block (34).

4. The adjustable guardrail according to claim 1, characterized in that: The top ends of the two guardrail cross bars (41) are provided with a plurality of insertion openings (43) matched with the guardrail U-shaped bars (42); a plurality of fixing nails (44) are inserted and threadedly inserted at equal intervals on one side of the two guardrail cross bars (41); and a plurality of thread grooves (45) matched with the fixing nails (44) are provided at equal intervals on the plurality of guardrail U-shaped bars (42).

5. The adjustable guardrail according to claim 3, characterized in that: A solar panel (46) is provided at the top of the other installation tube (1), a flow stabilizer (47) is provided at the top of the inner wall of the other fixing tube (2), and a storage battery (48) is provided at the bottom of the inner wall of the other fixing tube (2), and the solar panel (46) is electrically connected to the storage battery (48) via the flow stabilizer (47).

6. The adjustable guardrail according to claim 5, characterized in that: The bottom ends of the two fixing cylinders (2) are each provided with a fixing plate (6).

7. An adjustable guardrail according to claim 6, characterized in that: A regulating switch (5) is provided on one side of the top end of one of the fixed disks (6), and the forward and reverse motor (33) is electrically connected to the battery (48) via the regulating switch (5).

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