Municipal dustproof net

Abstract

The utility model discloses a municipal dust-proof net which comprises a protective net and further comprises an outer protective frame and flow guide dust falling mechanisms, the outer protective frame is fixedly connected to the outer contour of the protective net, the outer protective frame is arranged in a rectangular frame shape, and the flow guide dust falling mechanisms penetrate through the protective net, are movably connected to the two sides of the protective net and are arranged at equal intervals in the horizontal direction of the protective net. The end face of the outer protective frame is provided with a connecting hole. The utility model belongs to the technical field of dust screens, and particularly relates to a municipal dust screen which improves dust blocking and falling efficiency of the dust screen and reduces flowing of raised dust.

Description

TECHNICAL FIELD

[0001] The utility model belongs to dust screen technical field, especially relate to a municipal dust screen. BACKGROUND

[0002] The main role of dust screen is to inhibit dust overflow. It is commonly used for ground material cover and interception in construction site.

[0003] The existing dust screen has general dust reduction effect, and the structure is relatively complex. The dust prevention is mainly realized by the net body, and the dust reduction effect of the net body is improved by cooperating with other structures. However, the dust screen needs to be powered and used, and occupies space during use. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of improving the dust prevention and dust reduction efficiency of the dust screen and reducing dust flow.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a municipal dust screen, which comprises a protective net, an outer protective frame and a flow guiding and dust reducing mechanism, the outer protective frame is fixedly connected to the outer contour of the protective net, the outer protective frame is arranged in the form of a rectangular frame, the flow guiding and dust reducing mechanism penetrates through the protective net and is movably connected to the two sides of the protective net and is arranged at equal intervals along the horizontal direction of the protective net, and the end surface of the outer protective frame is provided with a connecting hole.

[0006] Further, the dust reducing mechanism comprises a limiting ring, a baffle and a connecting rod, the limiting ring is fixedly connected to the protective net and is arranged at equal intervals along the height direction of the protective net, the baffle is movably connected to the two sides of the protective net through the connecting rod, and the connecting rod is slidably arranged in the limiting ring and penetrates through the limiting ring.

[0007] Further, the baffle is symmetrically arranged around the protective net, and the dust reducing channels are formed between the symmetric baffles.

[0008] Further, the baffle is arranged in the form of an arc and extends to the side away from the protective net at both ends, and the baffle is a baffle made of plastic.

[0009] Further, the outer side wall of the connecting rod is provided with a supporting spring, the supporting spring is located between the baffle and the connecting ring, and the supporting spring is symmetrically arranged around the connecting ring.

[0010] Further, the connecting rod is made of rubber and is in frictional contact with the inner wall of the limiting ring.

[0011] With the above structure, the beneficial effects of the present application are as follows: the dust screen is convenient to roll up, can be hung or laid fixedly through the connecting holes, and the wind is guided to flow through the dust falling mechanism, when the wind flows close to the surface of the two sides of the protective screen, contacts the two side arc surfaces of the dust carrying baffle, deviates the flow, contacts the dust carrying baffle, and realizes dust prevention and dust falling through the filtering of the protective screen. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application together with the embodiments thereof, and explain the present application, but do not constitute a limitation on the present application.

[0013] Figure 1 A schematic diagram of the overall structure of the municipal dust screen is provided for the present application;

[0014] Figure 2 A schematic diagram of the main internal structure of the municipal dust screen is provided for the present application;

[0015] Figure 3 A top view of the municipal dust screen is provided for the present application;

[0016] Figure 4 A half-sectional view of the municipal dust screen is provided for the present application;

[0017] Figure 5 A Figure 4 enlarged view of part A is provided for the present application.

[0018] In the drawings: 1, protective screen, 2, outer protective frame, 3, flow guiding and dust falling mechanism, 4, connecting hole, 5, limiting ring, 6, baffle, 7, connecting rod, 8, dust falling channel, 9, supporting spring. DETAILED DESCRIPTION

[0019] As Figures 1-5 shown, a municipal dust screen comprises a protective screen 1, an outer protective frame 2 and a flow guiding and dust falling mechanism 3, the outer protective frame 2 is fixedly connected to the outer contour of the protective screen 1, the outer protective frame 2 is arranged in the form of a rectangular frame, the flow guiding and dust falling mechanism 3 penetrates through the protective screen 1 and is movably connected to the two sides of the protective screen 1, and is arranged at equal intervals along the horizontal direction of the protective screen 1, the end surface of the outer protective frame 2 is provided with a connecting hole 4, the protective screen 1 can be a protective screen 1 of flexible material, is convenient to store, and the outer protective frame 2 is used to realize the suspension connection and laying positioning of the protective screen 1, after being unfolded, the air is guided to flow through the flow guiding and dust falling mechanism 3 on the two sides of the protective screen 1, so that the dust carrying baffle contacts the dust carrying baffle, and the flow of the dust carrying baffle is hindered.

[0020] As Figure 1 , Figure 4 and Figure 5As shown, in order to realize the air flow direction and reduce dust, the dust falling mechanism includes limiting ring 5, baffle 6 and connecting rod 7, the limiting ring 5 is fixedly connected in the protective net 1, and is arranged at equal intervals along the height direction of the protective net 1, the baffle 6 is movably connected to the two sides of the protective net 1 through the connecting rod 7, the connecting rod 7 is slidably arranged in the limiting ring 5, the symmetrical baffles 6 are distributed on the two sides of the protective net 1, the connecting rod 7 penetrates the limiting ring 5, so that the symmetrical baffles 6 can move along the axial direction of the connecting rod 7, the baffle 6 is symmetrically arranged around the protective net 1, the dust falling channel 8 is formed between the symmetrical baffles 6, the baffle 6 is arranged in an arc shape, and the two ends extend away from the protective net 1, the baffle 6 is made of plastic, when the symmetrical baffles 6 are moved and adjusted, the position of the protective net 1 in the dust falling channel 8 changes, the air is guided through the outer side wall of the baffle 6 to flow to one side of the protective net 1 and contact the protective net 1, dust falling is realized, and the connecting rod 7 moves in the limiting ring 5, the width of the dust falling channel 8 on this side is increased, and the air inlet amount is improved.

[0021] As shown in the figure, Figure 5 In order to improve the stability of the baffle 6 in guiding the air, the outer side wall of the connecting rod 7 is provided with a supporting spring 9, the supporting spring 9 is located between the baffle 6 and the connecting ring, the supporting spring 9 is symmetrically arranged around the connecting ring, the protective net 1 is kept in the middle position of the flow channel through the supporting spring 9, after the baffle 6 drives the connecting rod 7 to move and adjust in the limiting ring 5, the symmetrical baffles 6 can be reset, the connecting rod 7 is made of rubber and frictionally contacts the inner wall of the limiting ring 5, the damping effect of the movement of the symmetrical baffles 6 is realized through the friction force, and sudden movement of the baffle 6 caused by wind force is avoided.

[0022] In specific use, an operator horizontally expands the rolled dustproof net, selects the laying mode of the dustproof net according to the pollution source, and realizes the suspension connection and laying positioning of the protective net 1 through the connecting holes 4 in the outer protective frame 2;

[0023] In the initial state, the symmetrical baffles 6 are supported by the elastic force of the supporting spring 9, and the protective net 1 is kept in the middle position of the flow channel;

[0024] When the flowing air flows along one side of the installed protective net 1, the air contacts the outer side wall of the baffle 6 on this side, the air is guided through the outer side wall of the baffle 6 to flow to one side of the protective net 1 and contact the protective net 1, the connecting rod 7 moves in the limiting ring 5, the width of the dust falling channel 8 on this side is increased, the air inlet amount is improved, and dust falling is realized.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents. In general, if a person skilled in the art is inspired by the present application, without departing from the purpose of the present application, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the present application.

Claims

1. A municipal dust screen comprising a screen (1), characterized in that: It also includes an outer protective frame (2) and a dust reduction mechanism (3), the outer protective frame (2) is fixedly connected to the outer contour of the protective net (1), the outer protective frame (2) is arranged in a rectangular frame, the dust reduction mechanism (3) penetrates the protective net (1) and is movably connected to both sides of the protective net (1), and is arranged at equal intervals along the horizontal direction of the protective net (1), the end surface of the outer protective frame (2) is provided with a connecting hole (4).

2. A municipal dust screen according to claim 1, characterised in that: The dust reduction mechanism includes a limiting ring (5), a baffle (6) and a connecting rod (7), the limiting ring (5) is fixedly connected to the protective net (1) and is arranged at equal intervals along the height direction of the protective net (1), the baffle (6) is movably connected to both sides of the protective net (1) through the connecting rod (7), and the connecting rod (7) is slidably arranged in the limiting ring (5) and penetrates the limiting ring (5).

3. A municipal dust screen according to claim 2, characterised in that: The baffle (6) is symmetrically arranged with the protective net (1) as the center, and the symmetric baffles (6) form a dust reduction channel (8).

4. A municipal dust screen according to claim 3, characterised in that: The baffle (6) is arranged in an arc shape, and the two ends extend away from one side of the protective net (1), and the baffle (6) is a plastic baffle (6).

5. A municipal dust screen according to claim 2, characterized in that: The outer side wall of the connecting rod (7) is provided with a supporting spring (9), the supporting spring (9) is located between the baffle (6) and the connecting ring, and the supporting spring (9) is symmetrically arranged with the connecting ring as the center.

6. A municipal dust screen according to claim 2, characterized in that: The connecting rod (7) is a rubber connecting rod (7) and is in frictional contact with the inner wall of the limiting ring (5).

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