Constructional engineering safety fence

Abstract

The utility model discloses a safety fence for constructional engineering, which belongs to the technical field of fences and comprises a fence main body, the fence main body comprises a base and two fence frames, the two fence frames are symmetrically arranged on two sides of the base, rotating grooves are formed in the side surfaces, facing the two fence frames, of the base, rotating shafts are rotatably mounted in the rotating grooves, and the rotating shafts are rotatably mounted on the rotating shafts. The fence frame comprises a fixed fence and a movable fence; the base and the two fence frames are used in cooperation, the fixed fence and the movable fence form the fence frame, the fixed fence can rotate through the rotating shaft, then the two fence frames can be rotationally unfolded and folded, folding storage of the fence body is achieved, the fixed fence and the movable fence can relatively slide, and the fence frame is convenient to use. And locking is realized by matching with the positioning pins, so that adaptive length adjustment after the whole fence main body is unfolded can be realized, good use stability can be ensured, the fence can be folded and stored, the structure is simple, and the operation is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of fences, and in particular relates to a safety fence for construction projects. Background Art

[0002] Construction projects refer to the engineering entities formed through the construction of various types of buildings and their ancillary facilities, as well as the installation of supporting wiring, pipelines, and equipment. Buildings, in particular, are projects with roofs, beams, columns, walls, foundations, and interior spaces that meet people's needs for production, living, learning, and public activities.

[0003] During construction work, in order to isolate the construction site from the external environment, safety fences are used for isolation and protection. There are two types of existing safety fences. One is a retractable fence using a telescopic frame. Although the fence length can be adjusted, the telescopic frame is unstable and easy to shake, and the fence is prone to overturning. The other is a fixed-length fence. Although it has good stability, it does not have folding and shrinking properties, and has certain limitations in use. For this reason, we propose a construction safety fence. Utility Model Content

[0004] The purpose of the present utility model is to provide a construction engineering safety fence to solve the problems raised in the above background technology. There are two types of existing safety fences: one is a retractable fence using a telescopic frame. Although the fence length can be adjusted, the telescopic frame is unstable and easy to shake, and the fence is prone to tipping over; the other is a fixed-length fence. Although it has good stability, it does not have folding and shrinking properties and has certain limitations in use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a construction engineering safety fence, including a fence body, the fence body including a base and two fence frames, the two fence frames are symmetrically arranged on both sides of the base, the base is provided with a rotation groove on the side facing the two fence frames, and a rotating shaft is rotatably installed in the rotation groove, the fence frame includes a fixed fence and a movable fence, the fixed fence is fixedly installed on the outer surface of the rotating shaft at the same side position, the upper surface of the fixed fence is slidably provided with a sliding plate 1, the upper surface of the sliding plate 1 is fixedly provided with a handle, the lower surface of the sliding plate 1 is fixedly provided with a sliding locking rod, the upper surface of the base is provided with four sliding locking grooves, and the four sliding locking grooves are grouped in twos, and a group of two The sliding lock slot is arranged at 90 degrees with the axis of the rotating shaft at the same side position as the center of the circle, the sliding lock rod and the sliding lock slot are used in conjunction with each other, the fixed fence and the movable fence are used in conjunction with each other, the upper and lower sides of the fixed fence are fixedly installed with positioning plates, and the positioning pins are inserted into the positioning plates. The upper and lower sides of the movable fence are provided with a number of positioning slots, and the positioning pins and the positioning slots are used in conjunction with each other, the side of the movable fence is fixedly installed with a vertical plate, the side of the vertical plate is fixedly installed with an assembly piece, the bottom end of the vertical plate is fixedly installed with a base, the upper surface of the fixed fence is fixedly installed with a lock seat, and a warning sign is detachably installed in the lock seat, and the lower surface of the fixed fence is provided with a receiving slot for accommodating the warning sign.

[0006] The above scheme is adopted, by setting up a base and using it together with two fence frames, a fixed fence and a movable fence form a fence frame, the fixed fence can be rotated by a rotating shaft, and then the two fence frames can be rotated, unfolded and retracted, thereby realizing the folding and storage of the fence body, and the fixed fence and the movable fence can slide relative to each other and be locked with the positioning pin, so that the length of the entire fence body after unfolding can be adaptively adjusted, which can ensure good stability in use and can be folded and stored. The structure is simple and easy to operate. By setting a warning sign to be used in conjunction with a locking seat and a receiving slot, when the warning sign is needed, the warning sign is taken out of the receiving slot and clamped into the locking seat. When it is not needed, the warning sign is removed from the locking seat and inserted into the receiving slot. It is easy to use and has more options.

[0007] As a preferred embodiment, an inner rod is fixedly mounted on the lower surface of the sliding plate 1, an outer cylinder is fixedly mounted on the upper surface of the fixed fence, and the inner rod slides and extends into the interior of the outer cylinder.

[0008] By adopting the above scheme, the inner rod body is slidably installed inside the outer cylinder body, which can realize the up and down movement of the sliding plate 1, and then realize the up and down movement of the sliding locking rod, thereby realizing the unlocking and locking operation of the fence frame.

[0009] As a preferred embodiment, the inner wall of the outer cylinder is provided with a plurality of limit grooves, a spring 1 is fixedly installed on the upper surface of the inner wall of the limit groove, a limit block is fixedly installed on the bottom end of the spring 1, the limit block is slidably installed on the inner wall of the limit groove, and the limit block is fixedly installed on the outer surface of the bottom end of the inner rod body.

[0010] When the locking cam is released, the locking cam is released, and the locking cam is released again, so that the locking cam is locked and the locking cam is released, thereby greatly improving the locking cam performance.

[0011] As a preferred embodiment, a locking ball is fixedly installed on the inner wall of the receiving groove on the lower surface of the fixed fence, and a locking groove is opened on the side of the warning sign, and the locking ball and the locking groove are used in combination.

[0012] With the above solution, when the warning sign is inserted into the receiving slot, the locking ball will be locked into the locking slot, thereby achieving storage and fixation of the warning sign, which is easy to operate.

[0013] As a preferred embodiment, a cavity is provided inside the locking seat, and a sliding plate 2 is slidably installed on the inner wall of the cavity, a locking plate and a pulling frame are fixedly installed on the side of the sliding plate 2, the locking seat is provided with a through opening for the locking plate to pass through and a slide for the pulling frame to slide, and a locking groove for the locking plate to be inserted into the side of the warning sign is provided.

[0014] With the above solution, the sliding of the sliding plate 2 drives the locking plate to slide, and then drives the locking plate to slide into or out of the locking slot, thereby realizing the installation unlocking and locking operations of the warning sign.

[0015] As a preferred embodiment, a guide bar is fixedly mounted on the inner wall of the internal cavity of the locking seat, a guide groove is opened on the side of the second sliding plate, and the guide bar is slidably mounted on the inner wall of the guide groove.

[0016] By adopting the above solution, the guide bar and the guide groove are used in combination to provide a sliding support and guide effect for the sliding plate 2, thereby improving the sliding smoothness.

[0017] As a preferred embodiment, a second spring is fixedly mounted on the inner wall of the inner cavity of the locking seat, and the second spring is fixedly connected to the second sliding plate.

[0018] With the above solution, spring 2 will deform when sliding plate 2 drives the locking plate into the cavity. Therefore, the elastic force of spring 2 can be used to drive the locking plate to quickly reset and insert it into the locking groove, thereby improving the convenience of locking the warning sign.

[0019] As a preferred embodiment, trapezoidal blocks are fixedly installed on the opposite surfaces of the fixed fence and the movable fence, and trapezoidal grooves are opened on the opposite surfaces of the fixed fence and the movable fence, and the trapezoidal blocks at the corresponding positions are slidably installed on the inner walls of the trapezoidal grooves.

[0020] By adopting the above solution, the trapezoidal blocks are used in conjunction with the trapezoidal grooves, so that the fixed fence and the movable fence have better stability when sliding relative to each other and are less likely to separate from each other.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] The construction engineering safety fence is used in conjunction with a base and two fence frames. The fixed fence and the movable fence form a fence frame. The fixed fence can be rotated by a rotating shaft, thereby realizing the rotation, expansion and folding of the two fence frames, thereby realizing the folding and storage of the fence body. The fixed fence and the movable fence can slide relative to each other and are locked with positioning pins, so that the length of the entire fence body after expansion can be adaptively adjusted, which can ensure good stability in use and can be folded and stored. The structure is simple and easy to operate.

[0023] The construction project safety fence is used by setting a warning sign in conjunction with a locking seat and a receiving slot. When the warning sign is needed, the warning sign is taken out of the receiving slot and snapped into the locking seat. When it is not needed, the warning sign is removed from the locking seat and inserted into the receiving slot. It is easy to use and has more options. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural diagram of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the warning sign of the utility model being stored in the receiving slot;

[0026] Figure 3 For this utility model Figure 2 Exploded diagram of the middle base and fence frame;

[0027] Figure 4 This is a schematic diagram of the structure of the base of the utility model;

[0028] Figure 5 This is a structural diagram of the utility model fence frame;

[0029] Figure 6This is a schematic structural diagram of the cross-section of the sliding plate and outer cylinder of the utility model;

[0030] Figure 7 This is a structural diagram of a fixed fence of the utility model;

[0031] Figure 8 This is a schematic diagram of the structure of the warning sign of the utility model;

[0032] Figure 9 This is a schematic structural diagram of the cross section of the lock seat of the utility model;

[0033] Figure 10 This is an exploded diagram of the fixed fence and the movable fence of the utility model;

[0034] Figure 11 For this utility model Figure 10 Schematic diagram of the structure from another angle.

[0035] In the figure: 1. Fence body; 2. Base; 3. Fence frame; 4. Rotating shaft; 5. Fixed fence; 6. Movable fence; 7. Sliding plate 1; 8. Sliding locking rod; 9. Positioning plate; 10. Positioning pin; 11. Vertical plate; 12. Assembly plate; 13. Base; 14. Warning sign; 15. Locking seat; 16. Outer cylinder; 17. Inner rod; 18. Limiting block; 19. Spring 1; 20. Positioning ball; 21. Sliding plate 2; 22. Locking plate; 23. Pulling frame; 24. Spring 2; 25. Guide bar; 26. Trapezoidal block. DETAILED DESCRIPTION

[0036] See also Figure 1-11The utility model provides a construction engineering safety fence, including a fence body 1, the fence body 1 includes a base 2 and two fence frames 3, the two fence frames 3 are symmetrically arranged on both sides of the base 2, the base 2 is provided with a rotation groove on the side facing the two fence frames 3, and a rotating shaft 4 is rotatably installed in the rotation groove, the fence frame 3 includes a fixed fence 5 and a movable fence 6, the fixed fence 5 is fixedly installed on the outer surface of the rotating shaft 4 at the same side position, the upper surface of the fixed fence 5 is slidably provided with a sliding plate 7, the upper surface of the sliding plate 7 is fixedly installed with a handle, and the lower surface of the sliding plate 7 is fixedly installed with a sliding lock rod 8, the upper surface of the base 2 is provided with four sliding lock grooves, and the four sliding lock grooves are grouped in twos, and a group of two sliding lock grooves are positioned at the same side. The axis of the rotating shaft 4 is arranged at ninety degrees with the center of the circle as the center. The sliding lock rod 8 and the sliding lock groove are used in conjunction with each other. The fixed fence 5 and the movable fence 6 slide and cooperate with each other. The upper and lower sides of the fixed fence 5 are fixedly installed with positioning plates 9, and the positioning pins 10 are inserted on the positioning plates 9. The upper and lower sides of the movable fence 6 are provided with several positioning grooves, and the positioning pins 10 and the positioning grooves are used in conjunction with each other. The side of the movable fence 6 is fixedly installed with a vertical plate 11, and the side of the vertical plate 11 is fixedly installed with an assembly piece 12. The bottom end of the vertical plate 11 is fixedly installed with a base 13. The upper surface of the fixed fence 5 is fixedly installed with a lock seat 15, and a warning sign 14 is detachably installed in the lock seat 15. The lower surface of the fixed fence 5 is provided with a receiving groove for accommodating the warning sign 14.

[0037] By setting up a base 2 and two fence frames 3 for use together, a fixed fence 5 and a movable fence 6 form a fence frame 3, and the fixed fence 5 can be rotated by the rotating shaft 4, thereby realizing the rotation, expansion and folding of the two fence frames 3, thereby realizing the folding and storage of the fence body 1, and the fixed fence 5 and the movable fence 6 can slide relative to each other and be locked with the positioning pin 10, so that the length of the entire fence body 1 after expansion can be adaptively adjusted, which can ensure good stability in use and can be folded and stored. The structure is simple and easy to operate. By setting a warning sign 14 for use with a locking seat 15 and a receiving slot, when the warning sign 14 is needed, the warning sign 14 is taken out of the receiving slot and clamped into the locking seat 15. When it is not needed, the warning sign 14 is removed from the locking seat 15 and inserted into the receiving slot. It is easy to use and has more options.

[0038] An inner rod 17 is fixedly installed on the lower surface of the sliding plate 7, and an outer cylinder 16 is fixedly installed on the upper surface of the fixed fence 5. The inner rod 17 slides and extends into the interior of the outer cylinder 16. By sliding the inner rod 17 into the interior of the outer cylinder 16, the sliding plate 7 can be moved up and down, and then the sliding locking rod 8 can be moved up and down, thereby realizing the unlocking and locking operations of the fence frame 3.

[0039] The inner wall of the outer cylinder 16 is provided with a plurality of limit grooves, and a spring 19 is fixedly installed on the upper surface of the inner wall of the limit groove. The bottom end of the spring 19 is fixedly installed with a limit block 18, and the limit block 18 is slidably installed on the inner wall of the limit groove. The limit block 18 is fixedly installed on the outer surface of the bottom end of the inner rod body 17. When the inner rod body 17 slides up and down, it will drive the limit block 18 to slide synchronously in the limit groove. The limit block 18 and the limit groove cooperate to play a sliding limit effect on the inner rod body 17, preventing the inner rod body 17 from sliding away from the outer cylinder 16, and when the sliding plate 17 drives the sliding lock rod 8 to move upward and out of the sliding lock groove, the limit block 18 will move synchronously to drive the spring 19 to deform. Therefore, when the sliding plate 17 is released, the elastic force of the spring 19 can be used to drive the sliding lock rod 8 to quickly reset and insert into the sliding lock groove, thereby improving the convenience of sliding locking operation. The structure is simple and practical.

[0040] A locking ball 20 is fixedly installed on the inner wall of the receiving groove on the lower surface of the fixed fence 5, and a locking groove is provided on the side of the warning sign 14. The locking ball 20 and the locking groove are used in conjunction with each other. When the warning sign 14 is inserted into the receiving groove, the locking ball 20 will be locked into the locking groove, thereby realizing the storage and fixation of the warning sign 14, which is easy to operate.

[0041] A cavity is provided inside the locking seat 15, and a sliding plate 21 is slidably installed on the inner wall of the cavity. A locking plate 22 and a pulling frame 23 are fixedly installed on the side of the sliding plate 21. A through opening for the locking plate 22 to pass through and a slide for the pulling frame 23 to slide are provided on the locking seat 15. A locking groove for the locking plate 22 to be inserted is provided on the side of the warning sign 14. The sliding of the sliding plate 21 drives the locking plate 22 to slide, and then drives the locking plate 22 to slide into or out of the locking groove, thereby realizing the installation, unlocking and locking operations of the warning sign 14.

[0042] A guide bar 25 is fixedly installed on the inner wall of the internal cavity of the lock seat 15, and a guide groove is opened on the side of the sliding plate 21. The guide bar 25 is slidably installed on the inner wall of the guide groove. The guide bar 25 and the guide groove are used in combination to play a sliding support and guide effect on the sliding plate 21, thereby improving the sliding smoothness.

[0043] A spring 24 is fixedly installed on the inner wall of the internal cavity of the locking seat 15, and the spring 24 is fixedly connected to the sliding plate 21. When the sliding plate 21 drives the locking plate 22 to be retracted into the cavity, the spring 24 will deform. Therefore, the elastic force of the spring 24 can be used to drive the locking plate 22 to quickly reset and insert it into the locking groove, thereby improving the convenience of the locking operation of the warning sign 14.

[0044] Trapezoidal blocks 26 are fixedly installed on the opposite surfaces of the fixed fence 5 and the movable fence 6. Trapezoidal grooves are provided on the opposite surfaces of the fixed fence 5 and the movable fence 6. The trapezoidal blocks 26 at the corresponding positions are slidably installed on the inner walls of the trapezoidal grooves. The trapezoidal blocks 26 are used in conjunction with the trapezoidal grooves, so that the fixed fence 5 and the movable fence 6 have better stability when sliding relative to each other and are less likely to separate from each other.

[0045] When in use, when it is necessary to adjust the overall length of the fence body 1, the positioning pin 10 is pulled out, and the movable fence 6 is unlocked. The movable fence 6 and the fixed fence 5 can slide relative to each other through the trapezoidal block 26. After sliding to a suitable position, the positioning pin 10 is inserted. The positioning pin 10 passes through the positioning plate 9 and is inserted into the positioning groove at the corresponding position to achieve locking, thereby achieving the overall length adjustment of the fence body 1. The warning sign 14 mounted on the lock seat 15 can be used for construction engineering construction warnings. When it needs to be folded and stored, the pulling frame 23 is operated first, so that the pulling frame 23 drives the sliding plate 22 1 moves, the sliding plate 21 drives the locking plate 22 to move, and the locking plate 22 disengages from the locking groove when it moves. At this time, the warning sign 14 is unlocked, and the warning sign 14 is taken out of the locking seat 15 and inserted into the accommodating groove. At this time, the locking ball 20 and the locking groove are used to realize the insertion and locking of the warning sign 14, and then the sliding plate 1 7 is pulled to drive the sliding locking rod 8 to move and disengage the sliding locking rod 8. At this time, the fixed fence 5 is unlocked and can be rotated by the rotating shaft 4. The two fixed fences 5 are rotated until they are parallel to each other, and the sliding plate 1 7 is released. At this time, the sliding locking rod 8 is inserted into the sliding locking groove to realize locking, thereby realizing the folding and storage of the fence body 1.

Claims

1. A construction engineering safety fence, characterized by: The invention comprises a fence body (1), wherein the fence body (1) comprises a base (2) and two fence frames (3), the two fence frames (3) are symmetrically arranged on both sides of the base (2), the base (2) is provided with a rotation groove on the side facing the two fence frames (3), and a rotation shaft (4) is rotatably installed in the rotation groove, the fence frame (3) comprises a fixed fence (5) and a movable fence (6), the fixed fence (5) is fixedly installed on the outer surface of the rotation shaft (4) at the same side position, the upper surface of the fixed fence (5) is slidably provided with a sliding plate (7), the upper surface of the sliding plate (7) is fixedly provided with a handle, and the lower surface of the sliding plate (7) is fixedly provided with a sliding lock rod (8), the upper surface of the base (2) is provided with four sliding lock grooves, and the four sliding lock grooves are grouped in pairs, and the two sliding lock grooves in a group are arranged in a ninety-degree circle with the axis of the rotation shaft (4) at the same side position as the center. The sliding lock rod (8) and the sliding lock groove are used in conjunction with each other, the fixed fence (5) and the movable fence (6) are used in conjunction with each other in sliding manner, the upper and lower sides of the fixed fence (5) are fixedly installed with positioning plates (9), the positioning plates (9) are inserted with positioning pins (10), the upper and lower sides of the movable fence (6) are provided with a plurality of positioning grooves, the positioning pins (10) and the positioning grooves are used in conjunction with each other, the side of the movable fence (6) is fixedly installed with a vertical plate (11), the side of the vertical plate (11) is fixedly installed with an assembly piece (12), the bottom end of the vertical plate (11) is fixedly installed with a base (13), the upper surface of the fixed fence (5) is fixedly installed with a locking seat (15), a warning sign (14) is detachably installed in the locking seat (15), and the lower surface of the fixed fence (5) is provided with a receiving groove for accommodating the warning sign (14).

2. The construction engineering safety fence according to claim 1, characterized in that: An inner rod (17) is fixedly mounted on the lower surface of the sliding plate (7), an outer cylinder (16) is fixedly mounted on the upper surface of the fixed fence (5), and the inner rod (17) slides and extends into the interior of the outer cylinder (16).

3. The construction engineering safety fence according to claim 2, characterized in that: The inner wall of the outer cylinder (16) is provided with a plurality of limit grooves, a spring (19) is fixedly mounted on the upper surface of the inner wall of the limit groove, a limit block (18) is fixedly mounted on the bottom end of the spring (19), the limit block (18) is slidably mounted on the inner wall of the limit groove, and the limit block (18) is fixedly mounted on the outer surface of the bottom end of the inner rod (17).

4. The construction engineering safety fence according to claim 1, characterized in that: A locking ball (20) is fixedly mounted on the inner wall of the receiving groove on the lower surface of the fixed fence (5), and a locking groove is provided on the side of the warning sign (14), and the locking ball (20) and the locking groove are used in conjunction with each other.

5. The construction engineering safety fence according to claim 1, characterized in that: The locking seat (15) is provided with a cavity inside, and a sliding plate (21) is slidably installed on the inner wall of the cavity, and a locking plate (22) and a pulling frame (23) are fixedly installed on the side of the sliding plate (21). The locking seat (15) is provided with a through opening for the locking plate (22) to pass through and a slideway for the pulling frame (23) to slide. The side of the warning sign (14) is provided with a locking groove for the locking plate (22) to be inserted.

6. The construction engineering safety fence according to claim 5, characterized in that: A guide bar (25) is fixedly mounted on the inner wall of the inner cavity of the locking seat (15), a guide groove is opened on the side of the second sliding plate (21), and the guide bar (25) is slidably mounted on the inner wall of the guide groove.

7. The construction engineering safety fence according to claim 5, characterized in that: A second spring (24) is fixedly mounted on the inner wall of the inner cavity of the locking seat (15), and the second spring (24) is fixedly connected to the second sliding plate (21).

8. The construction engineering safety fence according to claim 1, characterized in that: Trapezoidal blocks (26) are fixedly mounted on the opposite surfaces of the fixed fence (5) and the movable fence (6), and trapezoidal grooves are provided on the opposite surfaces of the fixed fence (5) and the movable fence (6), and the trapezoidal blocks (26) at corresponding positions are slidably mounted on the inner walls of the trapezoidal grooves.

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