Portable protective barrier capable of being assembled

Abstract

The utility model relates to the field of fence structures, in particular to a portable assembled protective barrier which comprises a base, a base column is arranged on the base, a mounting cavity is formed in the base column, a first rotating rod and a second rotating rod are arranged in the mounting cavity, the axis of the first rotating rod is parallel to the axis of the second rotating rod, and the axis of the first rotating rod is parallel to the axis of the second rotating rod. The first rotating rod is coaxially sleeved with a first lead screw capable of synchronously rotating, and the second rotating rod is coaxially sleeved with a second lead screw capable of synchronously rotating. A sliding groove communicated with the mounting cavity is formed in the side wall of the base column, the sliding groove extends in the vertical direction, and a first connecting assembly connected with the first lead screw and a second connecting assembly connected with the second lead screw are arranged in the sliding groove. The protective barrier has the advantages that the protective barrier can adapt to the uneven ground conveniently, the process of grinding the ground is omitted, and the protective barrier is more convenient to install.

Description

Technical Field

[0001] The utility model relates to the field of fence structures, in particular to a convenient assembleable protective railing. Background Art

[0002] Guardrails are mainly used to isolate construction areas during construction. Traditional guardrails are finished products when they leave the factory and cannot be folded or disassembled. This makes the overall structure very large, occupies a lot of space, is not convenient for stacking, and has very high transportation costs. In addition, in order to ensure its strength, existing guardrails are made of iron as the main body, which is very heavy and extremely inconvenient to carry.

[0003] Therefore, most of the current guardrails are designed to be assembled. Before transportation, the guardrails are first disassembled, then transported to the construction site, and then assembled at the construction site.

[0004] However, in the actual construction process, due to the complex conditions of the construction site, there are a large number of uneven areas on the ground at the construction site. The ground at the construction site needs to be smoothed before assembling the guardrails. Otherwise, it is difficult to install the guardrails, and the installation of the guardrails is not convenient enough. Utility Model Content

[0005] In order to facilitate the guardrail to adapt to the uneven ground, save the process of grinding the ground, and make the installation of the guardrail more convenient, the utility model provides a convenient assembleable guardrail.

[0006] The utility model provides a convenient assembling protective railing, which adopts the following technical solutions:

[0007] A convenient assembleable guardrail comprises a base, a base column is arranged on the base, a mounting cavity is opened in the base column, a first rotating rod and a second rotating rod are arranged in the mounting cavity, the axes of the first rotating rod and the second rotating rod are parallel, a first screw rod capable of synchronous rotation is coaxially sleeved on the first rotating rod, and a second screw rod capable of synchronous rotation is coaxially sleeved on the second rotating rod;

[0008] A sliding groove connected to the installation cavity is provided on the side wall of the base column, and the sliding groove extends in a vertical direction. A first connecting component connected to the first screw rod and a second connecting component connected to the second screw rod are provided in the sliding groove.

[0009] In a specific implementation manner, a first cavity is provided in the first rotating rod, a second cavity is provided in the second rotating rod, and locking assemblies are provided in both the first cavity and the second cavity.

[0010] In a specific possible implementation scheme, the locking assembly includes a push rod, a first wedge block and a slide rod, wherein the first wedge block is arranged on the push rod and rises and falls with the push rod, one end of the slide rod is connected to the first wedge block, and the other end of the slide rod passes through the first rotating rod or the second rotating rod;

[0011] A first annular groove for inserting the slide rod is formed on the inner wall of the first screw rod, and a second annular groove for inserting the slide rod is formed on the inner wall of the second screw rod.

[0012] In a specific implementation scheme, a first friction surface is provided at one end of the slide rod away from the first wedge block, a second friction surface is provided on the inner wall of the first annular groove, and a third friction surface is provided on the inner wall of the second annular groove.

[0013] In a specific feasible implementation scheme, the first connecting assembly includes a mother rod and a child rod, one end of the mother rod is threadedly connected to the first screw rod, the child rod is arranged at the end of the mother rod away from the base column, the end of the child rod away from the mother rod is provided with a first limit block, the child rod is provided with a second limit block that can slide relative to the child rod, and the second limit block is provided with a sliding sleeve on the side facing the base column.

[0014] In a specific implementation manner, the first limiting block and the second limiting block are both semicircular in shape, and the first limiting block and the second limiting block are oriented in opposite directions.

[0015] In a specific possible implementation scheme, the second connecting assembly includes a base rod and a telescopic rod, one end of the base rod is threadedly connected to the second screw rod, a socket is provided at the end of the base rod away from the second screw rod, a slide groove is provided on the inner wall of the socket, the telescopic rod is arranged in the slide groove, an elastic member is provided in the slide groove, the telescopic rod passes through the elastic member, and a second wedge block is provided at one end of the telescopic rod facing the socket, one end of the elastic member is connected to the inner wall of the slide groove, and the other end is connected to the second wedge block.

[0016] In a specific implementation manner, the elastic member is a return spring.

[0017] In a specific possible implementation manner, a bolt through slot is provided on the base, and a bolt is provided in the bolt through slot.

[0018] In summary, the present invention includes at least one of the following beneficial technical effects:

[0019] The base is set on the ground, the first connecting component can be raised and lowered by the first screw rod, and the second connecting component can be raised and lowered by the second screw rod, so that the first connecting component and the second connecting component can be connected on an uneven ground, eliminating the process of leveling the ground and making the installation of the guardrail more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure.

[0021] Figure 2 It is a cross-sectional view showing the internal structure of the first screw rod.

[0022] Figure 3 It is a cross-sectional view showing the internal structure of the base rod.

[0023] Explanation of the accompanying drawings: 1. base; 11. bolt; 2. base column; 21. first rotating rod; 22. second rotating rod; 23. first screw rod; 24. second screw rod; 25. first annular groove; 26. electric push rod; 27. first wedge block; 28. sliding rod; 31. mother rod; 32. child rod; 33. first limit block; 34. second limit block; 35. sliding sleeve; 41. base rod; 42. slide groove; 43. telescopic rod; 44. return spring; 45. second wedge block. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1-3 The utility model is described in further detail.

[0025] Reference Figure 1 A convenient assembleable guardrail includes a base 1, a base column 2 is vertically fixed on the base 1, a plurality of bolt through slots are opened on the base 1, and the base 1 can be fixed on the ground by arranging bolts 11 in the bolt through slots.

[0026] Reference Figure 1 and Figure 2 The base column 2 is provided with an installation cavity, in which a first rotating rod 21 and a second rotating rod 22 are vertically provided, and the axes of the first rotating rod 21 and the second rotating rod 22 are parallel. The first rotating rod 21 and the second rotating rod 22 can rotate independently of the base column 2 and can rotate independently of each other. The first rotating rod 21 is sleeved with a first screw rod 23, and the second rotating rod 22 is sleeved with a second screw rod 24. The first rotating rod 21 is provided with a first cavity, and the second rotating rod 22 is provided with a second cavity. Locking components are provided in the first cavity and the second cavity. Through the operation and stop of the locking component, the first screw rod 23 can rotate or stop with the first rotating rod 21, and the second screw rod 24 can rotate or stop with the second rotating rod 22.

[0027] Since the locking assembly in the first cavity and the locking assembly in the second cavity have the same structure, the locking assembly in the first cavity is only used as an example for illustration below, and the locking assembly in the second cavity is not described in detail.

[0028] Reference Figure 1 and Figure 2 The locking assembly includes a push rod, a first wedge block 27 and a slide rod 28. The push rod can be a hydraulic push rod, an electric push rod 26 or other retractable element. In this specific embodiment, the electric push rod 26 is preferably used. The electric push rod 26 is vertically arranged in the first rotating rod 21. The first wedge block 27 is fixed on the piston rod of the electric push rod 26. The slide rod 28 is inserted into the first rotating rod 21. One end of the slide rod 28 is in contact with the inclined surface of the first wedge block 27, and the other end extends toward the first screw rod 23. A first annular groove 25 for accommodating the slide rod 28 is provided on the inner wall of the first screw rod 23. A first friction surface is provided at one end of the slide rod 28 away from the first wedge block 27, and a second friction surface is provided on the circumferential surface of the first annular groove 25. In a normal state, there is a gap between the first friction surface of the slide rod 28 and the second friction surface in the first screw rod 23, and the first rotating rod 21 can rotate independently of the first screw rod 23. When the first screw rod 23 needs to be rotated, the piston rod of the electric push rod 26 extends, driving the first wedge block 27 to descend, and then pushing the slide bar 28 to extend into the first annular groove 25. Under the push of the electric push rod 26, the first friction surface of the slide bar 28 fits with the second friction surface in the first screw rod 23, and the first rotating rod 21 drives the first screw rod 23 to rotate synchronously through friction. It can be understood that synchronous rotation means that the first rotating rod 21 and the first screw rod 23 rotate together. As for whether the angular velocity of the first rotating rod 21 and the first screw rod 23 when rotating is synchronized, it may be different due to structural replacement or slippage, so it is not considered. In addition, in this specific embodiment, two first screw rods 23 are arranged at intervals along the axis of the first rotating rod 21, and each first screw rod 23 has two wedge blocks and two slide bars 28. According to actual needs, the number of the first screw rod 23, the electric push rod 26, the first wedge block 27, and the slide bar 28 can be adjusted according to the design.

[0029] The internal structures of the second rotating rod 22 and the second screw rod 24 are the same as those of the first rotating rod 21 and the first screw rod 23 . The second screw rod 24 is also provided with a third friction surface for the first friction surface to abut against.

[0030] Reference Figure 1 and Figure 3The side walls opposite to the base column 2 are provided with a sliding groove connected to the installation cavity, and the sliding groove is provided with a first connecting assembly connected to the first screw rod 23, and a second connecting assembly connected to the second screw rod 24. The first connecting assembly includes a mother rod 31 and a child rod 32. One end of the mother rod 31 is threadedly connected to the first screw rod 23, and the child rod 32 is arranged at the other end of the mother rod 31. The mother rod 31 is provided with a sliding hole for inserting the child rod 32, so that the child rod 32 can be extended and retracted along the length direction of the mother rod 31. A semicircular first limiting block 33 is fixed to the end of the child rod 32 away from the mother rod 31, and a semicircular second limiting block 34 is provided on the child rod 32. The child rod 32 passes through the second limiting block 34 and enables the second limiting block 34 to slide along the length direction of the child rod 32. The arc surface of the second limiting block 34 is away from the first limiting block 33. The second limiting block 34 is approximately spherical after being spliced ​​with the first limiting block 33. A sliding sleeve 35 is fixed to a side of the second limiting block 34 facing away from the first limiting block 33 . The sliding sleeve 35 is sleeved on the sub-rod 32 and is threadedly connected to the sub-rod 32 .

[0031] Reference Figure 1 and Figure 3 The second connecting assembly includes a base rod 41 and a telescopic rod 43 with telescopic function. One end of the base rod 41 is threadedly connected to the second screw rod 24, and the other end is provided with a socket. A slide groove 42 is provided on the inner wall of the socket. The opening of the slide groove 42 faces the center line of the socket. The telescopic rod 43 is arranged in the slide groove 42 and telescopes into the socket. When the telescopic rod 43 is retracted to the minimum length, the length of the telescopic rod 43 is less than the depth of the slide groove 42. A second wedge block 45 is fixed to one end of the telescopic rod 43 outside the slide groove 42. A return spring 44 is sleeved on the telescopic rod 43. One end of the return spring 44 is connected to the inner wall of the slide groove 42, and the other end is connected to the second wedge block 45.

[0032] When assembling the guardrail, the first limit block 33 and the second limit block 34 are separated, so that there is a large gap between the planes of the first limit block 33 and the second limit block 34, and the first limit block 33 is inserted into the socket of the base rod 41. The second wedge block 45 slides into the slide groove 42 under the push of the first limit block 33 and compresses the return spring 44. After the first limit block 33 completely passes through the second wedge block 45, the return spring 44 rebounds, so that the second wedge block 45 extends out of the slide hole, preventing the first limit block 33 from escaping from the socket. Multiple mother rods 31 are connected to the base rod 41 through the sub-rods 32 to form a guardrail. When the guardrail needs to be removed, the sliding sleeve 35 is rotated to make the second limit block 34 slide toward the first limit block 33, so that the second limit block 34 pushes the second wedge block 45 to be re-engaged in the sliding groove 42. At this time, the sub-rod 32 is pulled out of the socket, and the first limit block 33 is disengaged from the socket, completing the removal of the guardrail.

[0033] The implementation principle of the embodiment of the utility model is as follows: the base 1 is fixed to the ground by bolts 11, and the electric push rod 26 operates to make the first wedge block 27 descend, so that the slide bar 28 abuts against the inner wall of the first annular groove 25 and the second annular groove. The first rotating rod 21 is rotated to adjust the height of the sub-rod 32, and the second rotating rod 22 is rotated to adjust the height of the base rod 41, so that the center line of the sub-rod 32 and the docking base rod 41 are on the same horizontal line, and the first limit block 33 on the sub-rod 32 is inserted into the socket of the base rod 41 to complete the connection. Repeat the above steps to connect the sub-rods 32 and the base rod 41 on multiple bases 1 to complete the assembly of the guardrail.

[0034] When removing the guardrail, the sliding sleeve 35 is rotated to make the second limit block 34 and the first limit block 33 splice, and the second wedge block 45 is pushed to be inserted into the slide groove 42, and the sub-rod 32 is pulled out of the socket to make the first limit block 33 disengage from the socket. After all the sub-rods 32 are disengaged from all the base rods 41, the bolts 11 are taken out from the base 1, and the removal of the guardrail is completed.

[0035] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A convenient assembleable guardrail, characterized in that: The invention comprises a base (1), wherein a base column (2) is provided on the base (1), wherein a mounting cavity is provided in the base column (2), wherein a first rotating rod (21) and a second rotating rod (22) are provided in the mounting cavity, wherein the axes of the first rotating rod (21) and the second rotating rod (22) are parallel, wherein a first screw rod (23) capable of synchronous rotation is coaxially sleeved on the first rotating rod (21), and a second screw rod (24) capable of synchronous rotation is coaxially sleeved on the second rotating rod (22); A sliding groove connected to the installation cavity is provided on the side wall of the base column (2), the sliding groove extends in a vertical direction, and a first connecting component connected to the first screw rod (23) and a second connecting component connected to the second screw rod (24) are provided in the sliding groove.

2. The portable assembleable guardrail according to claim 1 is characterized in that: A first cavity is provided in the first rotating rod (21), a second cavity is provided in the second rotating rod (22), and locking components are provided in both the first cavity and the second cavity.

3. The portable assembleable guardrail according to claim 2 is characterized in that: The locking assembly comprises a push rod, a first wedge block (27) and a slide rod (28), wherein the first wedge block (27) is arranged on the push rod and rises and falls with the push rod, one end of the slide rod (28) is connected to the first wedge block (27), and the other end thereof passes through the first rotating rod (21) or the second rotating rod (22); A first annular groove (25) for inserting the slide bar (28) is provided on the inner wall of the first screw rod (23), and a second annular groove for inserting the slide bar (28) is provided on the inner wall of the second screw rod (24).

4. The portable assembleable guardrail according to claim 3 is characterized in that: A first friction surface is provided on one end of the slide bar (28) away from the first wedge block (27), a second friction surface is provided on the inner wall of the first annular groove (25), and a third friction surface is provided on the inner wall of the second annular groove.

5. The portable assembleable guardrail according to claim 1 is characterized in that: The first connecting assembly comprises a mother rod (31) and a child rod (32), one end of the mother rod (31) is threadedly connected to the first screw rod (23), the child rod (32) is arranged at the end of the mother rod (31) away from the base column (2), the end of the child rod (32) away from the mother rod (31) is provided with a first limit block (33), the child rod (32) is provided with a second limit block (34) capable of sliding relative to the child rod (32), and the second limit block (34) is provided with a sliding sleeve (35) on the side facing the base column (2).

6. The portable assembleable guardrail according to claim 5, characterized in that: The first limiting block (33) and the second limiting block (34) are both semicircular in shape, and the first limiting block (33) and the second limiting block (34) are oriented in opposite directions.

7. The portable assembleable guardrail according to claim 1 is characterized in that: The second connecting assembly comprises a base rod (41) and a telescopic rod (43), one end of the base rod (41) is threadedly connected to the second screw rod (24), one end of the base rod (41) away from the second screw rod (24) is provided with a socket, the inner wall of the socket is provided with a slide groove (42), the telescopic rod (43) is arranged in the slide groove (42), an elastic member is arranged in the slide groove (42), the telescopic rod (43) passes through the elastic member, and one end of the telescopic rod (43) facing the socket is provided with a second wedge block (45), one end of the elastic member is connected to the inner wall of the slide groove (42), and the other end is connected to the second wedge block (45).

8. The portable assembleable guardrail according to claim 7, characterized in that: The elastic member is a return spring (44).

9. The portable assembleable guardrail according to claim 1, characterized in that: The base (1) is provided with a bolt through slot, and a bolt (11) is arranged in the bolt through slot.

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