Protective fence with good safety

Abstract

The utility model relates to the field of buildings, and discloses a protective fence with good safety, which comprises two upright posts and two protective fence bodies, fixed bearings are rotatably arranged on the inner walls of the two sides of the upright posts close to the upper ends and the lower ends, one of the four fixed bearings is fixedly sleeved with a threaded shaft, and the other fixed bearing is sleeved with a threaded shaft. One end of the threaded shaft penetrates through the stand column, two rotating shaft fixing blocks are fixedly arranged at the lower end of the rear end of the stand column, rotating shafts are rotatably arranged at the inner ends of the two rotating shaft fixing blocks, the outer end faces of the rotating shafts are fixedly sleeved with two single-groove belt wheels, and the two sides of the protective fence body and the two sides of the stand column are each provided with two shrinkage transmission rods in a hinged mode; and every two of the multiple telescopic transmission rods are hinged. According to the utility model, the folding and unfolding device can be quickly unfolded or folded according to actual requirements, the width and the height can be conveniently adjusted, the folding and unfolding device is suitable for various different places and requirements, and the folding and unfolding device can be conveniently disassembled and assembled, so that the folding and unfolding device can be repeatedly used.

Description

Technical Field

[0001] The utility model relates to the field of construction, in particular to a protective fence with good safety. Background Art

[0002] Guardrails are railings that prevent and protect, providing safety protection. Safety protection is the biggest function of guardrails, and most guardrails on the market have this function. The most common guardrails that best reflect the safety protection function of guardrails are balcony guardrails, stair guardrails, window guardrails, etc.

[0003] However, these guardrails lack flexibility and may not meet specific safety requirements in some cases. They usually take up a certain amount of space, which may cause inconvenience in some environments with limited space. Moreover, this type of guardrail is usually non-detachable. Due to its fixed structure, once installed, its parameters such as position and height are difficult to adjust. It is also difficult for cleaning staff to reach certain areas for cleaning, and it is also difficult to maintain.

[0004] Therefore, the utility model provides a guardrail with good safety to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a guardrail with good safety, which can be quickly unfolded or folded according to actual needs, is convenient to adjust the width and height, adapts to various places and needs, is simple and convenient to operate, and can be installed and disassembled without complicated tools or techniques.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a guardrail with good safety, comprising two posts and two guardrail bodies, threaded holes are opened on one side of the guardrail body near the upper end and the lower end, fixed bearings are rotatably arranged on the inner walls of both sides of the posts near the upper end and the lower end, one of the four fixed bearings has a fixed bearing fixing sleeve with a threaded shaft, one end of the threaded shaft passes through the post and is connected to the external movable sleeve of the post with a spring, four double-groove pulleys are fixedly arranged on the opposite ends of the four fixed bearings, two rotating shaft fixing blocks are fixedly arranged near the lower end of the rear end of the post, rotating shafts are rotatably arranged on the inner ends of the two rotating shaft fixing blocks, and two single-groove pulleys are fixedly arranged on the outer end surface of the rotating shaft;

[0007] Two retractable transmission rods are hingedly arranged on both sides of the guardrail body and the column, and a plurality of retractable transmission rods are hingedly arranged in pairs;

[0008] Through the above technical scheme, the column and the guardrail body are placed on a plane, the threaded shaft is added to the threaded holes relative to the column and the guardrail body, the four retractable transmission rods are hinged together in pairs, and then the opposite ends are respectively placed in the transmission rod fixing blocks of the column and the guardrail body. After rotating the rotating shaft, the single-groove pulley will drive the No. 2 belt to rotate, and the No. 2 belt will drive the fixed bearing to rotate. Then the double-groove pulley mounted on the outside of the fixed bearing near the lower end will pull the No. 1 belt to rotate. After the fixed bearing rotates, the internal threaded shaft will rotate into the threaded hole, and then the retractable transmission rods will rotate in pairs to realize the extension and retraction of the guardrail. It can be quickly unfolded or folded according to actual needs, and the width can be adjusted conveniently to adapt to various different places and needs. The new type can be easily disassembled and assembled, which greatly reduces the difficulty of use and maintenance and improves work efficiency.

[0009] Furthermore, two retractable transmission rods are hingedly provided on both sides of the guardrail body and the column, and a plurality of retractable transmission rods are hingedly provided between two of them;

[0010] Through the above technical solution, the retractable transmission rods hingedly arranged in pairs at the columns will drive the guardrail body to retract together when moving, thereby adapting to various different places and needs.

[0011] Furthermore, the threaded shaft is threadedly arranged inside the threaded hole, and the plurality of contraction transmission rods are rotatably arranged on the transmission rod fixing block;

[0012] Through the above technical solution, the two retractable transmission rods will retract when the threaded shaft enters and exits the threaded hole, thereby adapting to areas of various shapes.

[0013] Furthermore, a No. 1 belt is arranged between the four double-groove pulleys in pairs, and a No. 2 belt is arranged between the two single-groove pulleys and the two double-groove pulleys at the lower end;

[0014] Through the above technical solution, after the rotating shaft is rotated, the single-groove pulley will rotate with the No. 2 belt, and the No. 2 belt will drive the fixed bearing to rotate. Then the double-groove pulley mounted on the outside of the fixed bearing near the lower end will pull the No. 1 belt to rotate, thereby realizing the retraction of the guardrail.

[0015] Furthermore, two support plates are fixedly provided on the opposite outer end surfaces of the guardrail body near the lower end, and support uprights are fixedly provided on the opposite side end surfaces of the two support plates;

[0016] Through the above technical solution, the supporting uprights support the supporting plates to prevent the guardrail from tipping over.

[0017] Furthermore, an alarm is fixedly arranged on the upper end of the column, and a solar panel is fixedly arranged on the upper end of the column;

[0018] Through the above technical solution, the alarm can play voice to alert passers-by not to get close, and the solar panel can power the alarm, which is more environmentally friendly.

[0019] Furthermore, a sharp object is fixedly provided on the upper end surface of the guardrail body, and the alarm is electrically connected to the solar panel;

[0020] Through the above technical solution, sharp objects can be prevented from climbing over the guardrail body to increase safety, and the solar panel converts solar energy into electrical energy to supply the alarm, making it more environmentally friendly.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model proposes a safety guardrail that can be quickly unfolded or folded according to actual needs, and the width can be easily adjusted to adapt to various places and needs. In addition, the material used for the new guardrail is aluminum alloy, which has the characteristics of beautiful appearance, firmness, practicality and long service life. It can effectively protect safety and bring a beautiful scenery.

[0023] 2. The utility model provides a safety guardrail with good safety. It is easy to operate and can be installed and disassembled without complicated tools or techniques. The guardrail can be folded by removing the threaded shaft and retracting the transmission rod. This greatly reduces the difficulty of use and maintenance and improves work efficiency. Since it can be easily disassembled and assembled, it can be reused many times. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is an axonometric drawing of the utility model;

[0025] Figure 2 It is a left view of the utility model;

[0026] Figure 3 For this utility model Figure 2 The cross-sectional view at AA of ;

[0027] Figure 4 It is a structural schematic diagram of the guardrail body of the utility model;

[0028] Figure 5 For this utility model Figure 2 The cross-sectional view at BB;

[0029] Figure 6 For this utility model Figure 3 Cross-sectional view at CC.

[0030] Legend:

[0031] 1. Post; 2. Guardrail body; 3. Sharp objects; 4. Belt No. 1; 5. Fixed bearing; 6. Double-groove pulley; 7. Spring; 8. Threaded shaft; 9. Retractable transmission rod; 10. Alarm; 11. Solar panel; 12. Belt No. 2; 13. Rotating shaft; 14. Support plate; 15. Supporting pole; 16. Threaded hole; 17. Transmission rod fixing block; 18. Single-groove pulley; 19. Rotating shaft fixing block. DETAILED DESCRIPTION

[0032] 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.

[0033] Example

[0034] Reference Figure 1-6 The utility model provides an embodiment: a guardrail with good safety, including two columns 1 and two guardrail bodies 2, one side of the guardrail body 2 is provided with threaded holes 16 near the upper end and the lower end, the inner walls of both sides of the column 1 are rotatably provided with fixed bearings 5 ​​near the upper end and the lower end, one of the four fixed bearings 5 ​​is provided with a threaded shaft 8, one end of the threaded shaft 8 passes through the column 1, and is provided with a spring 7 on the outer movable sleeve of the column 1, and the opposite ends of the four fixed bearings 5 ​​are fixedly provided with four double-groove pulleys 6, the rear end of the column 1 is fixedly provided with two rotating shaft fixing blocks 19, the inner ends of the two rotating shaft fixing blocks 19 are rotatably provided with a rotating shaft 13, and the outer end surface of the rotating shaft 13 is fixedly provided with two single-groove pulleys 18, the guardrail body 2 and the two sides of the column 1 are hingedly provided with two retractable transmission rods 9, and the plurality of retractable transmission rods 9 are hingedly provided between two,

[0035] Place the column 1 and the guardrail body 2 on a plane, add the threaded shaft 8 into the threaded holes 16 opposite to the column 1 and the guardrail body 2, hinge the four retractable transmission rods 9 together in pairs, and then put the opposite ends into the transmission rod fixing blocks 17 of the column 1 and the guardrail body 2 respectively. After rotating the rotating shaft 13, the single-groove pulley 18 will rotate with the No. 2 belt 12, and the No. 2 belt 12 will drive the fixed bearing 5 to rotate, and then the double-groove pulley 6 sleeved on the outside of the fixed bearing 5 near the lower end will pull the No. 1 belt 4 to rotate. After the fixed bearing 5 rotates, the internal threaded shaft 8 will rotate into the threaded hole 16, and then the retracted transmission rods 9 will rotate in pairs to realize the telescopic guardrail, which can be quickly unfolded or folded according to actual needs, conveniently adjust the width, and adapt to various different places and needs. The new type can be easily disassembled and assembled, which greatly reduces the difficulty of use and maintenance and improves work efficiency.

[0036] Two retractable transmission rods 9 are hingedly arranged on both sides of the guardrail body 2 and the column 1, and multiple retractable transmission rods 9 are hingedly arranged in pairs. When the retractable transmission rods 9 at the column 1 are moved, the retractable transmission rods 9 hingedly arranged in pairs will drive the guardrail body 2 to retract together, thereby adapting to various different places and needs. The threaded shaft 8 is threadedly arranged inside the threaded hole 16, and multiple retractable transmission rods 9 are rotatably arranged on the transmission rod fixing block 17. When the threaded shaft 8 enters and exits the threaded hole 16, the two retractable transmission rods 9 will retract, thereby adapting to various different shapes of areas. A No. 1 belt 4 is arranged between the four double-groove pulleys 6, and a No. 2 belt 12 is arranged between the two single-groove pulleys 18 and the two double-groove pulleys 6 at the lower end. After the rotating shaft 13 is rotated, the single-groove pulley 18 will drive the No. 2 belt 12 to rotate, and the No. 2 belt 12 drives the fixed bearing 5 to rotate, and then the double-groove pulley 6 sleeved on the outside of the fixed bearing 5 at the lower end will pull the No. 1 belt 4 to rotate, thereby realizing the retraction of the guardrail.

[0037] After rotating the rotating shaft 13, the single-groove pulley 18 will rotate with the second belt 12, so that the second belt 12 drives the fixed bearing 5 to rotate. When the fixed bearing 5 rotates, it drives the internal threaded shaft 8. The threaded shaft 8 is threaded in the threaded hole 16. After the threaded shaft 8 is screwed into the threaded hole 16, the transmission rod 9 will also be retracted, so that the guardrail body 2 can be folded. It can be quickly unfolded or folded according to actual needs, and the width and height can be easily adjusted to adapt to various places and needs.

[0038] Two support plates 14 are fixedly provided at the lower end of the opposite outer end faces of the guardrail body 2, and support poles 15 are fixedly provided at the opposite side end faces of the two support plates 14. The support poles 15 are against the support plates 14 to prevent the guardrail from tipping over. An alarm 10 is fixedly provided at the upper end of the column 1, and a solar panel 11 is fixedly provided at the upper end of the column 1. The alarm 10 can play voice to alert passers-by not to get close, and the solar panel 11 can supply power to the alarm 10, which is more environmentally friendly. A sharp object 3 is fixedly provided on the upper end face of the guardrail body 2, and the alarm 10 is electrically connected to the solar panel 11. The sharp object 3 can prevent climbing over the guardrail body 2 to increase safety. The solar panel 11 converts solar energy into electrical energy to supply electricity to the alarm 10, which is more environmentally friendly.

[0039] The alarm 10 and sharp objects 3 are both designed to increase safety to prevent climbing over the guardrail body 2. The support poles 15 support the support plates 14 to prevent the guardrail body 2 from tipping over, which can also increase the safety of the present invention. The solar panel 11 can power the alarm 10, and solar energy is easy to install and cost-effective.

[0040] Working principle: place the column 1 and the guardrail body 2 on a plane, add the threaded shaft 8 into the threaded holes 16 opposite to the column 1 and the guardrail body 2, hinge the four retractable transmission rods 9 together in pairs, and then put the opposite ends into the transmission rod fixing blocks 17 of the column 1 and the guardrail body 2 respectively. After rotating the rotating shaft 13, the single-groove pulley 18 will rotate with the No. 2 belt 12, and the No. 2 belt 12 will drive the fixed bearing 5 to rotate. Then the double-groove pulley 6 mounted on the outside of the fixed bearing 5 near the lower end will pull the No. 1 belt 4 to rotate. After the fixed bearing 5 rotates, the internal threaded shaft 8 will rotate into the threaded hole 16, and then the retractable transmission rods 9 will rotate in pairs to realize the extension and retraction of the guardrail.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A guardrail with good safety, comprising two upright posts (1) and two guardrail bodies (2), characterized in that: The guardrail body (2) is provided with threaded holes (16) at the upper end and the lower end of one side, and fixed bearings (5) are rotatably provided on the inner walls of both sides of the column (1) at the upper end and the lower end, and one of the four fixed bearings (5) is provided with a threaded shaft (8) in a fixed sleeve, and one end of the threaded shaft (8) passes through the column (1) and is connected to the outer movable sleeve of the column (1) and is provided with a spring (7), and the opposite ends of the four fixed bearings (5) are all provided with four double-groove pulleys (6) in a fixed sleeve; Two rotating shaft fixing blocks (19) are fixedly arranged at the lower end of the rear end of the column (1), and a rotating shaft (13) is rotatably arranged at the inner ends of the two rotating shaft fixing blocks (19). Two single-groove pulleys (18) are fixedly sleeved on the outer end surface of the rotating shaft (13). Two retractable transmission rods (9) are hingedly arranged on both sides of the guardrail body (2) and the column (1), and a plurality of retractable transmission rods (9) are hingedly arranged in pairs. An alarm (10) is fixedly arranged at the upper end of the column (1), and a solar panel (11) is fixedly arranged at the upper end of the column (1).

2. A safety guardrail according to claim 1, characterized in that: The threaded shaft (8) is threadedly arranged inside the threaded hole (16), and the plurality of contraction transmission rods (9) are rotatably arranged on the transmission rod fixing block (17).

3. A safety guardrail according to claim 1, characterized in that: A first belt (4) is arranged between the four double-groove pulleys (6) in pairs, and a second belt (12) is arranged between the two single-groove pulleys (18) and the two double-groove pulleys (6) at the lower end.

4. A safety guardrail according to claim 1, characterized in that: Two support plates (14) are fixedly arranged at the lower end positions of the opposite outer end surfaces of the guardrail body (2), and support upright poles (15) are fixedly arranged at the opposite side end surfaces of the two support plates (14).

5. A safety guardrail according to claim 1, characterized in that: A sharp object (3) is fixedly provided on the upper end surface of the guardrail body (2), and the alarm (10) is electrically connected to the solar panel (11).

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