Adjustable guardrail

Abstract

The utility model discloses an adjustable guardrail which comprises two bottom vertical rods and two top vertical rods, the two top vertical rods are installed in the two bottom vertical rods in a sliding mode respectively, adjusting sliding grooves are formed in the front faces of the two bottom vertical rods, two adjusting outer rods are fixedly installed on the opposite sides of the two bottom vertical rods, and the two adjusting outer rods are connected with the adjusting sliding grooves in a sliding mode. Adjusting inner rods are movably mounted in the ends, away from the bottom vertical rods, of the adjusting outer rods; when the height of the guardrail needs to be adjusted, only a threaded knob needs to be screwed to enable one side of a screwing handle to be far away from the outer side of the bottom vertical rod, so that constraint between the bottom vertical rod and the top vertical rod is stopped, then the top vertical rod is pulled upwards or pressed downwards, and the relative position between the top vertical rod and the bottom vertical rod is adjusted; and after adjustment is completed, the top vertical rods are fixed to the inner sides of the bottom vertical rods only by reversely screwing threaded rotary knobs, so that the overall height of the guardrail is adjusted, the guardrail is suitable for protection of places with different heights, and the use effect of the guardrail is improved.

Description

Technical Field

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

[0002] A guardrail is a facility used for protection and isolation, usually consisting of horizontal bars, vertical bars and posts, designed to limit the movement or activity range of people, vehicles or other objects to prevent accidents or dangerous situations.

[0003] Existing guardrail designs typically prioritize stability and safety, resulting in fixed, non-extendable lengths that can't be adjusted to meet specific needs. Temporarily expanding or reducing the protected area requires replacing guardrails of varying lengths, a cumbersome and costly process. Utility Model Content

[0004] The purpose of the present invention is to provide an adjustable guardrail to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an adjustable guardrail, comprising two bottom uprights and two top uprights, and the two top uprights are slidably mounted on the inside of the two bottom uprights respectively, and an adjustment slot is provided on the front sides of the two bottom uprights, and two adjustment outer rods are fixedly mounted on opposite sides of the two bottom uprights, and an adjustment inner rod is movably mounted on the inside of the adjustment outer rod away from one end of the bottom upright, and two telescopic rods are fixedly mounted on opposite sides of the two top uprights, and the telescopic rods include multiple telescopic outer rods and multiple telescopic inner rods, the telescopic outer rods are sleeved and mounted on the outside of the telescopic inner rod, and inner sleeve rods are fixedly mounted on opposite sides of the telescopic outer rods, and an adjusting slider is fixedly mounted on one side of the two top uprights, and a threaded rod is fixedly mounted on the end of the adjusting slider away from the bottom upright, and a threaded knob is threadedly connected to the outer side of the threaded rod.

[0006] Preferably, one end of the adjusting inner rod away from the adjusting outer rod is fixedly connected to opposite sides of the two bottom vertical rods, and vertical fences are fixedly installed on opposite sides of the adjusting outer rod.

[0007] Preferably, the outer diameter of the adjusting slider matches the inner diameter of the adjusting slot, and the adjusting sliders are slidably mounted on the inner sides of the adjusting slots.

[0008] Preferably, the threaded knob is located on the outside of the bottom upright pole, and a twisting handle is fixedly mounted on the outside of the threaded knob.

[0009] Preferably, bases are fixedly mounted on the bottoms of the two bottom uprights.

[0010] Preferably, the outer side of the inner sleeve is sleeved and installed with an outer sleeve, and the outer side of the outer sleeve is symmetrically installed with two rotating bars.

[0011] Preferably, fluorescent strips are fixedly mounted on both sides of the rotating bar.

[0012] Compared with the prior art, the beneficial effect of the present invention is that when the height of the guardrail needs to be adjusted, it is only necessary to turn the threaded knob to move one side of the turning handle away from the outer side of the bottom upright, thereby stopping the binding between the bottom upright and the top upright, and then pull up or press down the top upright to adjust the relative position between the top upright and the bottom upright. After the adjustment is completed, it is only necessary to turn the threaded knob in the opposite direction to fix the top upright to the inner side of the bottom upright, thereby adjusting the overall height of the guardrail. It is suitable for protecting places at different heights and improving the use effect of the guardrail.

[0013] In addition, when the length of the guardrail needs to be adjusted, it is only necessary to pull one of the bottom uprights away from the other bottom upright. During this process, the inner adjustment rod will move inside the outer adjustment rod, thereby adjusting the overall length of the inner and outer adjustment rods. In addition, during this process, the telescopic outer rod can move outside the telescopic inner rod, thereby adjusting the relative distance between the two bottom uprights, thereby adjusting the overall length of the guardrail, increasing the protective area of the guardrail, and improving the use effect of the guardrail. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional appearance structure of the utility model.

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the bottom upright pole of the utility model.

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the top upright pole of the utility model.

[0017] Figure 4 This is a schematic diagram of the three-dimensional structure of the rotating column of the utility model.

[0018] In the figure: 1. Bottom vertical rod; 2. Top vertical rod; 3. Adjustment slide; 4. Adjustment inner rod; 5. Adjustment outer rod; 6. Vertical bar; 7. Telescopic outer rod; 8. Telescopic inner rod; 9. Rotating bar; 10. Fluorescent strip; 11. Threaded knob; 12. Turning handle; 13. Base; 14. Adjustment slider; 15. Threaded rod; 16. Inner rod; 17. Outer sleeve. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 4 The utility model provides a technical solution: an adjustable guardrail, comprising two bottom uprights 1 and two top uprights 2, and the two top uprights 2 are respectively slidably mounted inside the two bottom uprights 1, and the front faces of the two bottom uprights 1 are provided with adjustment slots 3, and the opposite sides of the two bottom uprights 1 are fixedly mounted with two adjustment outer rods 5, and the inner sides of the adjustment outer rods 5 away from one end of the bottom uprights 1 are movably mounted with adjustment inner rods 4, and the ends of the adjustment inner rods 4 away from the adjustment outer rods 5 are respectively fixedly connected to the opposite sides of the two bottom uprights 1, and the opposite sides of the adjustment outer rods 5 are fixedly mounted with vertical bars 6, and the opposite sides of the two top uprights 2 are fixedly mounted with two telescopic rods, and the telescopic rods include It includes multiple telescopic outer rods 7 and multiple telescopic inner rods 8. The telescopic outer rods 7 are sleeved and installed on the outside of the telescopic inner rods 8. The opposite sides of the telescopic outer rods 7 are fixedly installed with inner sleeve rods 16. One side of the two top vertical rods 2 is fixedly installed with an adjusting slider 14. The end of the adjusting slider 14 away from the bottom vertical rod 1 is fixedly installed with a threaded rod 15. The outer side of the threaded rod 15 is threadedly connected with a threaded knob 11. The outer diameter specification of the adjusting slider 14 matches the inner diameter specification of the adjusting slot 3, and the adjusting sliders 14 are respectively slidably installed on the inner side of the adjusting slot 3. The threaded knob 11 is located on the outside of the bottom vertical rod 1, and a twisting handle 12 is fixedly installed on the outside of the threaded knob 11.

[0021] The working principle of the above technical solution is: when the height of the guardrail needs to be adjusted, it is only necessary to turn the threaded knob 11 to make one side of the twisting handle 12 away from the outer side of the bottom upright rod 1, thereby stopping the constraint between the bottom upright rod 1 and the top upright rod 2, and then pull up or press down the top upright rod 2 to make the adjusting slider 14 move inside the adjusting slot 3, so that the bottom end of the top upright rod 2 moves inside the bottom upright rod 1, thereby adjusting the relative position between the top upright rod 2 and the bottom upright rod 1. After the adjustment is completed, it is only necessary to twist the threaded knob 11 in the opposite direction to move the threaded knob 11 outside the twisting handle 12, and finally make one side of the threaded knob 11 fit with the outer side of the bottom upright rod 1, so that The top upright 2 is fixed on the inner side of the bottom upright 1, thereby adjusting the overall height of the guardrail. It is suitable for protecting places at different heights and improving the use effect of the guardrail. When the length of the guardrail needs to be adjusted, it is only necessary to pull one of the bottom uprights 1 away from the other bottom upright 1. During this process, the adjusting inner rod 4 will move on the inner side of the adjusting outer rod 5, thereby adjusting the overall length of the adjusting inner rod 4 and the adjusting outer rod 5. In this process, the telescopic outer rod 7 can move on the outer side of the telescopic inner rod 8, thereby adjusting the relative distance between the two bottom uprights 1, thereby adjusting the overall length of the guardrail, improving the protection area of the guardrail, and improving the use effect of the guardrail.

[0022] In another embodiment, Figure 1-Figure 2 As shown, bases 13 are fixedly mounted on the bottoms of the two bottom uprights 1 .

[0023] The guardrail can be conveniently placed at a desired location by providing the base 13 , and the base 13 is made of a material with a relatively high density and has a relatively large overall weight, which can ensure the stability of placement.

[0024] In another embodiment, Figure 1-Figure 4 As shown, the outer side of the inner sleeve rod 16 is sleeved with an outer sleeve 17 , and the outer side of the outer sleeve 17 is symmetrically mounted with two rotating bars 9 , and fluorescent strips 10 are fixedly mounted on both sides of the rotating bars 9 .

[0025] The outer sleeve 17 can be rotated on the outside of the inner sleeve rod 16 to adjust the orientation angle of the rotating fence 9, and the fluorescent strip 10 can facilitate staff to observe the entire guardrail at night.

[0026] Working principle: The guardrail can be placed in the desired position conveniently through the provided base 13, and the base 13 is made of a material with a high density and a large overall weight, which can ensure the stability of the placement. When the height of the guardrail needs to be adjusted, it is only necessary to twist the threaded knob 11 to move one side of the twisting handle 12 away from the outside of the bottom upright 1, thereby stopping the constraint between the bottom upright 1 and the top upright 2, and then pull up or press down the top upright 2 to move the adjusting slider 14 inside the adjusting slot 3, so that the bottom end of the top upright 2 moves inside the bottom upright 1, thereby adjusting the relative position between the top upright 2 and the bottom upright 1. After the adjustment is completed, it is only necessary to twist the threaded knob 11 in the opposite direction to move the threaded knob 11 outside the twisting handle 12. , and finally one side of the threaded knob 11 is fitted with the outer side of the bottom upright rod 1, thereby fixing the top upright rod 2 to the inner side of the bottom upright rod 1, thereby adjusting the overall height of the guardrail, which is suitable for protecting places at different heights and improving the use effect of the guardrail. When the length of the guardrail needs to be adjusted, it is only necessary to pull one of the bottom upright rods 1 away from the other bottom upright rod 1. During this process, the adjusting inner rod 4 will move on the inner side of the adjusting outer rod 5, thereby adjusting the overall length of the adjusting inner rod 4 and the adjusting outer rod 5, and during this process, the telescopic outer rod 7 can move on the outer side of the telescopic inner rod 8, thereby adjusting the relative distance between the two bottom upright rods 1, thereby adjusting the overall length of the guardrail, improving the protection area of the guardrail, and improving the use effect of the guardrail.

[0027] Although the embodiments of the present invention have been shown and described, 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. An adjustable guardrail, comprising two bottom uprights (1) and two top uprights (2), wherein the two top uprights (2) are slidably mounted inside the two bottom uprights (1), and characterized in that: The front sides of the two bottom uprights (1) are provided with adjustment slots (3), and the opposite sides of the two bottom uprights (1) are fixedly installed with two adjustment outer rods (5), and the inner sides of the adjustment outer rods (5) away from one end of the bottom upright (1) are movably installed with adjustment inner rods (4), and the opposite sides of the two top uprights (2) are fixedly installed with two telescopic rods, and the telescopic rods include a plurality of telescopic outer rods (7) and a plurality of telescopic inner rods (8), and the telescopic outer rods (7) are sleeved and installed on the outer sides of the telescopic inner rods (8), and the opposite sides of the telescopic outer rods (7) are fixedly installed with inner sleeve rods (16), and one side of the two top uprights (2) is fixedly installed with an adjustment slider (14), and the end of the adjustment slider (14) away from the bottom upright (1) is fixedly installed with a threaded rod (15), and the outer side of the threaded rod (15) is threadedly connected with a threaded knob (11).

2. The adjustable guardrail according to claim 1, characterized in that: One end of the adjusting inner rod (4) away from the adjusting outer rod (5) is fixedly connected to the opposite sides of the two bottom vertical rods (1), and the opposite sides of the adjusting outer rod (5) are fixedly installed with vertical fences (6).

3. The adjustable guardrail according to claim 1, characterized in that: The outer diameter of the adjusting slider (14) matches the inner diameter of the adjusting chute (3), and the adjusting slider (14) is slidably mounted on the inner side of the adjusting chute (3).

4. The adjustable guardrail according to claim 1, characterized in that: The threaded knob (11) is located on the outside of the bottom upright rod (1), and a twisting handle (12) is fixedly mounted on the outside of the threaded knob (11).

5. The adjustable guardrail according to claim 1, characterized in that: A base (13) is fixedly mounted on the bottom of each of the two bottom uprights (1).

6. The adjustable guardrail according to claim 1, characterized in that: The outer side of the inner sleeve rod (16) is sleeved with an outer sleeve (17), and the outer side of the outer sleeve (17) is symmetrically mounted with two rotating bars (9).

7. The adjustable guardrail according to claim 6, characterized in that: Fluorescent strips (10) are fixedly mounted on both sides of the rotating column (9).

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