Guardrail convenient to adjust

Abstract

The utility model relates to the field of guardrails, and discloses a guardrail convenient to adjust, which comprises a U-shaped seat, connecting seats are arranged at the tops of the two sides of the U-shaped seat, lifting mechanisms for lifting the connecting seats are arranged at the two ends of the U-shaped seat, first rectangular holes are formed in the side wall of one connecting seat and one side of the U-shaped seat, and second rectangular holes are formed in the other side of the U-shaped seat. Connecting blocks are fixed to the side wall of the other connecting base and the other side of the U-shaped base, a rotating shaft is rotationally connected to the middle of the bottom in the U-shaped base, the side wall of the rotating shaft is sleeved with a first connecting plate and a second connecting plate, and fixing mechanisms used for fixing the first connecting plate are arranged on the inner side walls of the two connecting bases. The splicing work of two sets of protective fences can be rapidly completed, the working efficiency is improved, fixing of the first connecting plate by the fixing mechanism is relieved, the multiple connecting rods are driven to rotate by 90 degrees through the first connecting plate and the second connecting plate under the action of the rotating shaft, the protective fences are in an open state, rapid evacuation can be conducted, and the working efficiency is improved. And the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of guardrails, in particular to a guardrail which is easy to adjust. Background Art

[0002] A guardrail is a fence or fencing structure used to restrict or block people or vehicles from entering or leaving a specific area. Guardrails are usually made of metal materials such as iron, steel or aluminum alloy. They are strong and durable and can withstand certain impact and pressure. They are usually used in roads, construction sites and some public places to ensure safety and order.

[0003] In actual use, the existing guardrails are in a fixed state. In the event of an emergency such as a fire, the fixed guardrails will block the road, making it impossible for people to leave the danger zone in time. In addition, in order to extend the width of the guardrails, the existing guardrails are usually assembled and fixed with multiple sets of bolts and nuts, so that every two sets of guardrails need to be fixed with multiple bolts and nuts. It takes a lot of time to install and disassemble the guardrails, which reduces work efficiency. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a guardrail which is easy to adjust.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A guardrail that is easy to adjust comprises a U-shaped seat, connecting seats are arranged on the top of both sides of the U-shaped seat, and lifting mechanisms are arranged at both ends of the U-shaped seat for lifting and lowering the connecting seats, one of the side walls of the connecting seat and one side of the U-shaped seat is provided with a first rectangular hole, and the other side wall of the connecting seat and the other side of the U-shaped seat are fixed with a connecting block, a rotating shaft is rotatably connected at the middle of the bottom of the U-shaped seat, and the side walls of the rotating shaft are respectively sleeved with a first connecting plate and a second connecting plate, and the inner side walls of the two connecting seats are provided with a fixing mechanism for fixing the first connecting plate, a plurality of second uprights are linearly fixed at equal distances at the bottom of the first connecting plate, and the second connecting plates are fixed with a plurality of second uprights at equal distances at the bottom of the first connecting plate. A plurality of first columns are fixed at equal distances on the top of the plate, a plurality of connecting rods are arranged on the top of the second connecting plate, circular holes are opened at both ends of the plurality of connecting rods, and the plurality of first columns and second columns correspond to the plurality of circular holes one by one. During use, the device can quickly complete the splicing of two sets of guardrails, saving time and improving work efficiency. By releasing the fixation of the first connecting plate by the fixing mechanism, the plurality of connecting rods are driven to rotate ninety degrees through the first connecting plate and the second connecting plate under the action of the rotating shaft, so that the guardrail is in an open state. When encountering an emergency, people can step over the guardrail for rapid evacuation, which increases the practicality of the device.

[0007] As a further solution of the present invention, the lifting mechanism includes a threaded rod, which is fixed in the middle of the top of one end of the U-shaped seat, and the side wall of the threaded rod is sleeved with a sleeve, and the inner wall of the sleeve is provided with a threaded groove, and the threaded groove and the threaded rod are adapted, and rectangular blocks are fixed symmetrically on both sides of the top of one end of the U-shaped seat, and a sleeve rod is provided in the middle of the bottom of the connecting seat, and the threaded rod is sleeved in the sleeve rod, and second rectangular holes are provided on both sides of the bottom of the connecting seat, and the two second rectangular holes are respectively adapted to the two rectangular blocks. When the height of the guardrail needs to be adjusted, the sleeve is rotated and cooperated with the threaded rod to drive the connecting seat to gradually move upward along the direction of the rectangular block. When it rises to the specified height, the connecting rods of the corresponding height can be replaced without replacing all of them, thereby reducing the cost of use.

[0008] As a further scheme of the utility model, the fixing mechanism includes a support plate, the support plate is fixed to the top of the inner wall of the connecting seat, the bottom of the support plate is provided with a stopper, a sleeve rod is fixed on the top of the stopper, and one end of the sleeve rod passes through the top of the support plate, the side wall of the sleeve rod is sleeved with a spring, one end of the spring is fixed to the stopper, and the other end of the spring is fixed to the support plate, and the side wall of the sleeve rod is sleeved with a second clamping block, a through hole is opened at one end of the top of the first connecting plate, and clamping grooves are opened on both symmetrical sides of the through hole, the side wall of the rotating shaft is sleeved with a first clamping block, the top of the first connecting plate is opened with a connecting hole, and the first clamping block and the connecting hole are adapted, and the circular holes at both ends of the connecting rod are respectively inserted into the first column and the second column, so that the preliminary fixation of the connecting rod can be completed, and the second clamping block is passed through the through hole and rotated ninety degrees, so that the two ends of the second clamping block are respectively inserted into the two clamping grooves, and under the action of the spring, the second clamping block and the clamping groove are tightly fitted, so that the first connecting plate can be fixed, and the disassembly and assembly of the guardrail is convenient.

[0009] The beneficial effects of the utility model are:

[0010] 1. During use of the device, the connecting block is inserted into the first rectangular hole to quickly complete the splicing of two sets of guardrails without the need for fixing with multiple sets of bolts and nuts, thereby saving time and improving work efficiency.

[0011] 2. By releasing the fixing mechanism on the first connecting plate, the first connecting plate and the second connecting plate drive the multiple connecting rods to rotate ninety degrees under the action of the rotating shaft, so that the guardrail is in an open state. When encountering an emergency, people can cross the guardrail and evacuate quickly, which increases the practicality of the device.

[0012] 3. When the height of the guardrail needs to be adjusted, the connecting seat is raised through the lifting mechanism, and the connecting rod of the corresponding length is replaced according to the height of the rising connecting seat. There is no need to replace all of them, which reduces the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a guardrail that is easy to adjust proposed by the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of a connecting seat, a rectangular block, a threaded rod and a sleeve of a guardrail that is easy to adjust proposed by the utility model;

[0015] Figure 3 for Figure 2 A is an enlarged schematic diagram of the structure;

[0016] Figure 4 This is a schematic diagram of the cross-sectional structure of a connecting seat of a guardrail that is easy to adjust proposed by the utility model;

[0017] Figure 5 This is a schematic diagram of the structure of a first connecting plate, a second connecting plate and a connecting rod of a guardrail that is easy to adjust proposed by the utility model;

[0018] Figure 6 for Figure 5 A schematic diagram of the enlarged structure at B;

[0019] Figure 7 The utility model provides a schematic cross-sectional structure diagram of a first connecting plate, a second connecting plate and a connecting rod of a guardrail that is easy to adjust.

[0020] In the figure: 1, U-shaped seat; 2, connecting seat; 3, first rectangular hole; 4, first connecting plate; 5, second connecting plate; 6, rotating shaft; 7, first clamping block; 8, connecting rod; 9, connecting block; 10, rectangular block; 11, threaded rod; 12, sleeve; 13, support plate; 14, sleeve rod; 15, spring; 16, stopper; 17, second clamping block; 18, connecting hole; 19, through hole; 20, slot; 21, round hole; 22, first column; 23, second column; 24, second rectangular hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] Reference Figure 1-Figure 7A guardrail that is easy to adjust includes a U-shaped seat 1, a connecting seat 2 is arranged on the top of both sides of the U-shaped seat 1, and a lifting mechanism for lifting the connecting seat 2 is arranged at both ends of the U-shaped seat 1, a first rectangular hole 3 is opened on the side wall of one connecting seat 2 and one side of the U-shaped seat 1, and a connecting block 9 is fixed to the side wall of the other connecting seat 2 and the other side of the U-shaped seat 1, and a rotating shaft 6 is rotatably connected at the middle of the bottom of the U-shaped seat 1, and the side walls of the rotating shaft 6 are respectively sleeved with a first connecting plate 4 and a second connecting plate 5, and the inner side walls of the two connecting seats 2 are provided with a fixing mechanism for fixing the first connecting plate 4, and a plurality of second columns 23 are fixed to the bottom of the first connecting plate 4 at equal distances and linearly, and the top of the second connecting plate 5 is equal to the distance between the second connecting plate 5 and the second connecting plate 5. There are multiple first columns 22 fixed at a distance, and multiple connecting rods 8 are arranged on the top of the second connecting plate 5. Circular holes 21 are opened at both ends of the multiple connecting rods 8, and the multiple first columns 22 and the second columns 23 correspond to the multiple circular holes 21 one by one. During use, the device can quickly complete the splicing of two sets of guardrails, saving time and improving work efficiency. By releasing the fixation of the first connecting plate 4 by the fixing mechanism, the multiple connecting rods 8 are driven to rotate ninety degrees through the first connecting plate 4 and the second connecting plate 5 under the action of the rotating shaft 6, so that the guardrail is in an open state. When encountering an emergency, people can step over the guardrail and evacuate quickly, which increases the practicality of the device.

[0024] Reference Figure 1 and Figure 4 In a preferred embodiment, the lifting mechanism includes a threaded rod 11, which is fixed to the middle of the top of one end of the U-shaped seat 1. A sleeve 12 is sleeved on the side wall of the threaded rod 11. A threaded groove is provided on the inner wall of the sleeve 12, and the threaded groove is adapted to the threaded rod 11. Rectangular blocks 10 are fixed symmetrically on both sides of the top of one end of the U-shaped seat 1. A sleeve rod 14 is provided in the middle of the bottom of the connecting seat 2, and the threaded rod 11 is sleeved in the sleeve rod 14. Second rectangular holes 24 are provided on both sides of the bottom of the connecting seat 2, and the two second rectangular holes 24 are adapted to the two rectangular blocks 10 respectively. When the height of the guardrail needs to be adjusted, the sleeve 12 is rotated to cooperate with the threaded rod 11 to drive the connecting seat 2 to gradually move upward along the direction of the rectangular block 10. When it rises to the specified height, the connecting rod 8 of the corresponding height can be replaced without replacing all of them, thereby reducing the cost of use.

[0025] Reference Figure 2 and Figure 3In a preferred embodiment, the fixing mechanism includes a support plate 13, the support plate 13 is fixed to the top of the inner wall of the connecting seat 2, a stopper 16 is arranged at the bottom of the support plate 13, a sleeve rod 14 is fixed to the top of the stopper 16, and one end of the sleeve rod 14 passes through the top of the support plate 13, a spring 15 is sleeved on the side wall of the sleeve rod 14, one end of the spring 15 is fixed to the stopper 16, and the other end of the spring 15 is fixed to the support plate 13, a second clamping block 17 is sleeved on the side wall of the sleeve rod 14, and a through hole 19 is opened at one end of the top of the first connecting plate 4, and a clamping groove 2 is opened on both sides of the through hole 19. 0, the side wall of the rotating shaft 6 is sleeved with the first clamping block 7, the top of the first connecting plate 4 is provided with a connecting hole 18, and the first clamping block 7 and the connecting hole 18 are adapted, and the round holes 21 at both ends of the connecting rod 8 are respectively inserted into the first column 22 and the second column 23, so that the preliminary fixation of the connecting rod 8 can be completed, and the second clamping block 17 is passed through the through hole 19 and rotated ninety degrees, so that the two ends of the second clamping block 17 are respectively inserted into the two slots 20, and under the action of the spring 15, the second clamping block 17 and the slot 20 are tightly fitted, so that the first connecting plate 4 can be fixed, and the disassembly and assembly of the guardrail is convenient.

[0026] Working principle of this embodiment: During the use of this device, when two groups of guardrails are spliced, the two connecting blocks 9 of one of the guardrails are respectively inserted into the two first rectangular holes 3 of the other guardrail, and the splicing work between the two groups of guardrails is completed, and there is no need to fix them through multiple sets of bolts and nuts, which saves time and improves work efficiency. After all the splicing is completed, only the first and last groups of guardrails need to be fixed. When an emergency situation requires the evacuation of personnel, the sleeve rod 14 is moved upward to disengage the second clamping block 17 and the clamping slot 20. At this time, the spring 15 is in a compressed state, and the sleeve rod 14 is rotated to drive the second clamping block 17 to rotate. When the sleeve rod 14 rotates ninety degrees, the second clamping block 17 and the through hole 1 9 is in the overlapped state, and the sleeve rod 14 is released. At this time, the spring 15 gradually returns to its original state, driving the second clamping block 17 to move downward along the through hole 19, and then driving the sleeve rod 14 to move downward, releasing the fixation of the first connecting plate 4, and through the action of the rotating shaft 6, the first connecting plate 4 and the second connecting plate 5 are rotated ninety degrees. At this time, the guardrail is in an open state, and people can cross the guardrail for safe evacuation, which increases the practicality of the device. When the height of the guardrail needs to be adjusted, the sleeve 12 is rotated to cooperate with the threaded rod 11 to drive the connecting seat 2 to gradually move upward along the direction of the rectangular block 10. When it rises to the specified height, the connecting rod 8 of the corresponding height can be replaced without replacing all of them, thereby reducing the cost of use.

[0027] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0028] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0029] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0030] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A guardrail that is easy to adjust, comprising a U-shaped seat (1), characterized in that: The top of both sides of the U-shaped seat (1) is provided with a connecting seat (2), and both ends of the U-shaped seat (1) are provided with a lifting mechanism for lifting the connecting seat (2), a first rectangular hole (3) is opened on one side wall of the connecting seat (2) and one side of the U-shaped seat (1), and a connecting block (9) is fixed on the other side wall of the connecting seat (2) and the other side of the U-shaped seat (1), and a rotating shaft (6) is rotatably connected at the middle of the bottom of the U-shaped seat (1), and the side walls of the rotating shaft (6) are respectively sleeved with a first connecting plate (4) and a second connecting plate (5) ), the inner side walls of the two connecting seats (2) are each provided with a fixing mechanism for fixing the first connecting plate (4), a plurality of second columns (23) are linearly fixed at equal distances on the bottom of the first connecting plate (4), a plurality of first columns (22) are fixed at equal distances on the top of the second connecting plate (5), a plurality of connecting rods (8) are arranged on the top of the second connecting plate (5), circular holes (21) are formed at both ends of the plurality of connecting rods (8), and the plurality of first columns (22) and the second columns (23) correspond one-to-one to the plurality of circular holes (21).

2. The easily adjustable guardrail according to claim 1, characterized in that: The lifting mechanism comprises a threaded rod (11), the threaded rod (11) being fixed to the middle of the top of one end of the U-shaped seat (1), the side wall of the threaded rod (11) being sleeved with a sleeve (12), the inner side wall of the sleeve (12) being provided with a threaded groove, and the threaded groove and the threaded rod (11) being adapted to each other, and rectangular blocks (10) being fixed symmetrically on both sides of the top of one end of the U-shaped seat (1).

3. The easily adjustable guardrail according to claim 2, characterized in that: A sleeve rod (14) is provided in the middle of the bottom of the connection seat (2), and the threaded rod (11) is sleeved in the sleeve rod (14). Second rectangular holes (24) are provided on both sides of the bottom of the connection seat (2), and the two second rectangular holes (24) are respectively adapted to the two rectangular blocks (10).

4. The easily adjustable guardrail according to claim 1, characterized in that: The fixing mechanism comprises a support plate (13), the support plate (13) is fixed to the top of the inner wall of the connecting seat (2), a stopper (16) is arranged at the bottom of the support plate (13), a sleeve rod (14) is fixed to the top of the stopper (16), and one end of the sleeve rod (14) passes through the top of the support plate (13), a spring (15) is sleeved on the side wall of the sleeve rod (14), one end of the spring (15) is fixed to the stopper (16), and the other end of the spring (15) is fixed to the support plate (13).

5. The easily adjustable guardrail according to claim 4, characterized in that: The side wall of the sleeve rod (14) is sleeved with a second clamping block (17), a through hole (19) is provided at one end of the top of the first connecting plate (4), and clamping grooves (20) are provided on both symmetrical sides of the through hole (19).

6. The easily adjustable guardrail according to claim 1, characterized in that: A first clamping block (7) is sleeved on the side wall of the rotating shaft (6), a connecting hole (18) is opened on the top of the first connecting plate (4), and the first clamping block (7) and the connecting hole (18) are adapted to each other.

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