Prefabricated fence structure for construction site

Abstract

The utility model relates to the technical field of construction site construction, and discloses a prefabricated fence structure for a construction site, which solves the problem that the existing unfolded or folded fence is easy to loosen, and comprises a base, universal wheels II are mounted at positions, close to four corners, of the bottom of the base, and a protection mechanism is mounted at the top of the base. The protection mechanism comprises two L-shaped frames symmetrically fixed to the top of the base. According to the folding protective fence, through cooperation between the rotating shafts and the sleeves, the two second protective fences can rotate conveniently, then unfolding and folding of the two second protective fences can be achieved, through cooperation between the screw rods and the guide plates and between the screw rods and the guide columns, the two inserting rods can descend conveniently, and when the two inserting rods are inserted into the two first inserting holes respectively, the two inserting rods can be unfolded and folded conveniently. And when the two inserting rods are inserted into the two inserting holes II respectively, the two protective fences II can be fixed after being unfolded, and when the two inserting rods are inserted into the two inserting holes II respectively, the two protective fences II can be fixed after being folded, so that the whole fence is prevented from loosening.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction site, in particular to a prefabricated enclosure structure for construction sites. Background Art

[0002] When construction is being carried out on a construction site, it is necessary to use fences to isolate the construction site from the external environment, making the construction site a relatively closed space; according to the patent document entitled "A fence device for a construction site" with the authorization announcement number CN217439689U, a rotating shaft and a rotating shaft groove are provided on the fence device, so that adjacent fence devices can be folded, thereby reducing the space required for storage and facilitating the transportation of the fence devices by the staff; however, the following defects still exist:

[0003] Although the entire fence can be unfolded and folded, the unfolded or folded fence is prone to loosening, thus affecting its use. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a prefabricated enclosure structure for a construction site, which effectively solves the problem that the fence is prone to loosening after being unfolded or folded.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prefabricated enclosure structure for a construction site, comprising a base, wherein universal wheels are installed at the bottom of the base near the four corners, and a protective mechanism is installed at the top of the base;

[0006] The protective mechanism includes two L-shaped frames symmetrically fixed on the top of the base, a rotating shaft is rotatably connected between the inner top walls of the two L-shaped frames and the base, sleeves are fixedly sleeved on the outer sides of the two rotating shafts, guardrails 2 are fixedly installed on the outer sides of the two sleeves, and guardrails 1 are fixedly installed between the two L-shaped frames.

[0007] Preferably, a side panel is fixedly installed on the outer side of the guardrail, two guide columns are symmetrically fixedly installed between the side panel and the base, the outer sides of the two guide columns are movably sleeved with the same guide plate, and two plug rods are symmetrically fixedly installed on the top of the guide plate.

[0008] Preferably, the top ends of the two sleeves are fixedly mounted with top plates, the two top plates are respectively fixedly sleeved on the outsides of the two rotating shafts, the tops of the two top plates are symmetrically provided with a first socket and a second socket, and the two insertion rods are respectively inserted into the two first sockets.

[0009] Preferably, the top of the base is rotatably connected to a screw rod, the screw rod is located between two guardrails, the top end of the screw rod passes through the side plate and a turntable is fixedly installed thereon, the screw rod is rotatably connected to the side plate, and the guide plate is threadedly sleeved on the outside of the screw rod.

[0010] Preferably, support plates are fixedly installed at the bottom of the two guardrails 2, and universal wheels 1 are installed at the bottom of the two support plates.

[0011] Preferably, a receiving groove is provided in the middle of the base.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model facilitates the rotation of the two guardrails 2 through the cooperation between the rotating shaft and the sleeve, and then can realize the unfolding and folding of the two guardrails 2, and facilitates the lowering of the two plug rods through the cooperation between the screw rod, the guide plate and the guide column. When the two plug rods are respectively inserted into the two insertion holes 1, the two guardrails 2 can be fixed after being unfolded. When the two plug rods are respectively inserted into the two insertion holes 2, the two guardrails 2 can be fixed after being folded, thereby preventing the entire fence from loosening;

[0014] (2) The new type facilitates the support of the guardrail 2 by the cooperation between the support plate and the universal wheel 1, thereby ensuring the stability of the guardrail 2 when in use, and provides a receiving groove on the base to facilitate the storage of the support plate when the guardrail 2 is folded. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the prefabricated enclosure structure for construction sites of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the protection mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the side panel structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the top plate structure of the utility model;

[0021] In the figure: 1. base; 2. protection mechanism; 201. L-shaped frame; 202. side plate; 203. guardrail 1; 204. top plate; 205. support plate; 206. sleeve; 207. rotating shaft; 208. universal wheel 1; 209. guardrail 2; 2010. plug rod; 2011. guide plate; 2012. screw rod; 2013. guide column; 2014. turntable; 2015. socket 1; 2016. socket 2; 3. receiving slot; 4. universal wheel 2. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Embodiment 1, by Figure 1 The utility model comprises a base 1 , universal wheels 4 are installed at the bottom of the base 1 near the four corners, and a protective mechanism 2 is installed at the top of the base 1 .

[0024] Specifically, by Figure 2-4 The protective mechanism 2 includes two L-shaped frames 201 symmetrically fixed to the top of the base 1, a rotating shaft 207 is rotatably connected between the inner top walls of the two L-shaped frames 201 and the base 1, sleeves 206 are fixedly sleeved on the outer sides of the two rotating shafts 207, and guardrails 209 are fixedly installed on the outer sides of the two sleeves 206, a guardrail 1 203 is fixedly installed between the two L-shaped frames 201, and a side plate 202 is fixedly installed on the outer side of the guardrail 1 203, and two guide columns 2013 are symmetrically fixedly installed between the side plate 202 and the base 1, and the outer sides of the two guide columns 213 are movably sleeved with the same guide plate 211, and the top of the guide plate 211 is symmetrically fixed. Two plug rods 2010 are installed, and the top ends of the two sleeves 206 are fixedly installed with top plates 204. The two top plates 204 are respectively fixedly sleeved on the outsides of the two rotating shafts 207. The tops of the two top plates 204 are symmetrically provided with a socket 1 2015 and a socket 2 2016. The two plug rods 2010 are respectively inserted into the two sockets 1 2015. The top of the base 1 is rotatably connected with a screw rod 2012, which is located between the two guardrails 1 203. The top end of the screw rod 2012 passes through the side plate 202 and is fixedly installed with a rotating disk 2014. The screw rod 2012 is rotatably connected with the side plate 202, and the guide plate 2011 is threadedly sleeved on the outside of the screw rod 2012.

[0025] When in use, first, the two guardrails 209 are fixed on the two sleeves 206 respectively, and the two sleeves 206 are fixed on the outside of the two rotating shafts 207 respectively, and the two rotating shafts 207 are rotatably connected to the top of the base 1, so that the two guardrails 209 can be rotated to unfold and fold. When the turntable 2014 is rotated, the screw 2012 is driven to rotate, and the guide plate 2011 is driven to slide downward along the two guide columns 2013. At the same time, the two insertion rods 2010 move downward. When the two insertion rods 2010 are respectively inserted into the two insertion holes 2015, the two guardrails 209 are fixed after unfolding. When the two insertion rods 2010 are respectively inserted into the two insertion holes 2016, the two guardrails 209 are fixed after folding, finally preventing the entire fence from loosening after unfolding or folding.

[0026] Specifically, by Figure 1-2 It is shown that the bottom of the two guardrails 209 are fixedly mounted with support plates 205, the bottom of the two support plates 205 are mounted with universal wheels 208, and the middle of the base 1 is provided with a receiving groove 3;

[0027] When in use, first fix the support plate 205 at the bottom of the guardrail 209, and set the universal wheel 208 at the bottom of the support plate 205 to contact the ground, so as to support the guardrail 209 and ensure the stability of the guardrail 209 when in use, and set the accommodating groove 3 on the base 1 to store the support plate 205 when the guardrail 209 is folded.

Claims

1. A prefabricated enclosure structure for a construction site, comprising a base (1), characterized in that: Universal wheels (4) are installed at the bottom of the base (1) near the four corners, and a protective mechanism (2) is installed at the top of the base (1); The protection mechanism (2) comprises two L-shaped frames (201) symmetrically fixed to the top of the base (1); a rotating shaft (207) is rotatably connected between the inner top walls of the two L-shaped frames (201) and the base (1); sleeves (206) are fixedly sleeved on the outer sides of the two rotating shafts (207); a second protection fence (209) is fixedly installed on the outer sides of the two sleeves (206); and a first protection fence (203) is fixedly installed between the two L-shaped frames (201).

2. A prefabricated enclosure structure for a construction site according to claim 1, characterized in that: A side plate (202) is fixedly mounted on the outer side of the guardrail 1 (203); two guide columns (2013) are symmetrically fixedly mounted between the side plate (202) and the base (1); a guide plate (211) is movably sleeved on the outer sides of the two guide columns (2013); and two insertion rods (2010) are symmetrically fixedly mounted on the top of the guide plate (2011).

3. The prefabricated enclosure structure for construction sites according to claim 1 is characterized in that: A top plate (204) is fixedly mounted on the top of each of the two sleeves (206), and the two top plates (204) are respectively fixedly sleeved on the outside of the two rotating shafts (207). A first plug hole (2015) and a second plug hole (2016) are symmetrically arranged on the top of each of the two top plates (204), and the two insertion rods (2010) are respectively inserted into the two first plug holes (2015).

4. The prefabricated enclosure structure for construction sites according to claim 1 is characterized in that: The top of the base (1) is rotatably connected to a screw rod (2012), the screw rod (2012) is located between two guardrails (203), the top end of the screw rod (2012) passes through the side plate (202) and is fixedly mounted with a turntable (2014), the screw rod (2012) is rotatably connected to the side plate (202), and the guide plate (211) is threadedly sleeved on the outside of the screw rod (2012).

5. The prefabricated enclosure structure for construction sites according to claim 1 is characterized in that: The bottoms of the two guardrails 2 (209) are fixedly mounted with support plates (205), and the bottoms of the two support plates (205) are mounted with universal wheels 1 (208).

6. The prefabricated enclosure structure for construction sites according to claim 1 is characterized in that: A receiving groove (3) is provided in the middle of the base (1).

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