Ventilation device for construction work

Abstract

The utility model discloses a building engineering ventilation device belongs to building ventilation technical field, aims at solving the problem of the existing technology traditional ventilation system relies on fixed fan and pipeline layout, in the narrow operation surface or special-shaped space, pipeline laying is difficult, and easy to form the ventilation dead angle. Including ventilation car, ventilation box and fixed box, its characterized in that, one side of ventilation car is installed with fan, and the other side is installed with detachable ventilation box, and the inside of ventilation car is hollow structure, and the ventilation box is connected with the air guide hose between fan, the fixed box is fixedly installed on the lateral wall of ventilation car, and the fixed box is symmetrically provided with two groups, and the bottom of fixed box is equipped with limit base plate, the lateral wall of ventilation box is installed with the handle. The building engineering ventilation device, ventilation box is detachable, and is connected with fan through air guide hose, can be moved to the position of poor air circulation in the building according to actual construction demand, expands the ventilation range, and improves the ventilation effect.

Description

Technical Field

[0001] This utility model belongs to the field of building ventilation technology, and specifically relates to a ventilation device for building engineering. Background Technology

[0002] With the acceleration of urbanization, the scale and depth of construction projects such as high-rise buildings, underground spaces, and complex structures (e.g., subway tunnels, large commercial complexes) are continuously increasing. Ventilation systems in building construction are core facilities for ensuring indoor air quality and maintaining a healthy construction environment. Their function is to introduce fresh outdoor air into the building while simultaneously expelling polluted air to meet hygiene standards and production process requirements. While traditional ventilation systems can achieve basic air exchange, they have gradually revealed problems such as poor adaptability and low efficiency in complex construction scenarios. Traditional ventilation systems rely on fixed fans and ductwork layouts. In confined work areas or irregularly shaped spaces, ductwork installation is difficult and can easily create ventilation dead zones. During construction, ventilation requirements change with each process (e.g., rapid dehumidification is needed after concrete pouring, and localized strong smoke extraction is required for welding operations), but traditional equipment requires disassembling and reassembling the ductwork. Utility Model Content

[0003] (1) Technical problems to be solved

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a ventilation device for building engineering, which aims to solve the problem that the existing traditional ventilation system relies on fixed fans and duct layout, and the duct laying is difficult in narrow working areas or irregular spaces, which easily creates ventilation dead corners.

[0005] (2) Technical solution

[0006] To address the aforementioned technical problems, this utility model provides a ventilation device for building engineering, comprising a ventilation cart, a ventilation box, and a fixing box. The ventilation cart has a fan mounted on one side and a detachable ventilation box mounted on the other side. The interior of the ventilation cart is hollow, and a flexible air guide tube connects the ventilation box and the fan. The fixing box is fixedly installed on the side wall of the ventilation cart, with two sets of fixing boxes symmetrically arranged. A limiting base is provided at the bottom of the fixing box. A handle is installed on the side wall of the ventilation box, and a limiting hole is formed on its upper surface. A pull rod adapted to the limiting hole is elastically installed on the upper surface of the ventilation cart. The ventilation box is detachable and connected to the fan via the flexible air guide tube, allowing it to be moved to locations with poor air circulation within the building, such as elevator shafts, tunnel faces, and areas where beams and columns intersect, according to actual construction needs. This effectively solves the problem of poor adaptability of traditional ventilation systems in complex spaces, expands the ventilation range, and improves ventilation efficiency.

[0007] Preferably, the bottom of the ventilation box has a protruding slider.

[0008] Preferably, the inner wall of the ventilation cart is provided with a groove adapted to the slider.

[0009] Preferably, the upper surface of the ventilation vehicle is provided with a mounting hole, and the pull rod passes through the mounting hole.

[0010] Preferably, a convex ring is fixedly installed on the outer wall of the pull rod, and a spring is fixedly connected to the upper surface of the convex ring.

[0011] Preferably, the inner wall of the mounting hole is provided with an inner groove for the movable mounting of the protruding ring, and the end of the spring away from the protruding ring is fixedly connected to the inner wall of the inner groove.

[0012] Preferably, a threaded rod is threaded into the upper surface of the fixing box, and a connecting rod is fixedly connected to one end of the threaded rod that enters the interior of the fixing box. The connecting rod slides vertically through the bottom of the fixing box, and a limiting base is fixedly connected to the bottom end of the connecting rod.

[0013] (3) Beneficial effects

[0014] Compared with existing technologies, the advantages of this invention are as follows: Traditional ventilation systems rely on fixed fans and duct layouts, which are difficult to lay in confined work areas or irregularly shaped spaces, easily creating ventilation dead zones. In contrast, the ventilation box of this device is detachable and connected to the fan via a flexible air duct. It can be moved to locations with poor air circulation within the building, such as elevator shafts, tunnel faces, and areas where beams and columns intersect, according to actual construction needs. This effectively solves the problem of poor adaptability of traditional ventilation systems in complex spaces, expands the ventilation range, and improves ventilation efficiency. The ventilation box achieves rapid installation and disassembly through the cooperation of sliders and grooves. Operators only need simple sliding and plugging actions to fix and remove the ventilation box, greatly saving time and labor costs. Simultaneously, the tie rod adopts an elastic installation method, achieving automatic limit positioning through spring action, further simplifying the operation process and improving work efficiency. During construction, when ventilation needs change with different procedures, the position of the ventilation box can be quickly adjusted without the need to disassemble and reassemble ducts as with traditional equipment, reducing downtime and ensuring construction continuity. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the separation structure between the ventilation box and the ventilation cart;

[0018] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0019] Figure 4 This is a schematic diagram of the separate structure of the fixing box.

[0020] The markings in the attached diagram are as follows: 1. Ventilation cart; 2. Fan; 3. Fixing box; 4. Ventilation box; 5. Pull rod; 6. Slide groove; 7. Slider; 8. Air guide hose; 9. Limiting hole; 10. Handle; 11. Mounting hole; 12. Inner groove; 13. Raised ring; 14. Spring; 15. Connecting rod; 16. Limiting base; 17. Threaded rod. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] This specific embodiment is a ventilation device for building engineering, and its structural schematic diagram is as follows. Figure 1 As shown, it includes a ventilation cart 1, a ventilation box 4, and a fixing box 3. A fan 2 is installed on one side of the ventilation cart 1, and a detachable ventilation box 4 is installed on the other side. The interior of the ventilation cart 1 is a hollow structure. A duct 8 is connected between the ventilation box 4 and the fan 2. The fixing box 3 is fixedly installed on the side wall of the ventilation cart 1. There are two sets of fixing boxes 3 symmetrically arranged.

[0023] Reference Figure 2 A handle 10 is installed on the side wall of the ventilation box 4, and a limiting hole 9 is opened on the upper surface. A pull rod 5 that matches the limiting hole 9 is elastically installed on the upper surface of the ventilation cart 1. A slider 7 is protruding from the bottom of the ventilation box 4. A groove 6 that matches the slider 7 is opened on the inner wall of the ventilation cart 1.

[0024] Reference Figure 3 The upper surface of the ventilation vehicle 1 has a mounting hole 11, and the pull rod 5 passes through the mounting hole 11. A protruding ring 13 is fixedly installed on the outer wall of the pull rod 5, and a spring 14 is fixedly connected to the upper surface of the protruding ring 13. An inner groove 12 is provided on the inner wall of the mounting hole 11 to accommodate the movable installation of the protruding ring 13, and the end of the spring 14 away from the protruding ring 13 is fixedly connected to the inner wall of the inner groove 12.

[0025] Reference Figure 4The bottom of the fixed box 3 is provided with a limiting base 16; a threaded rod 17 is threaded through the upper surface of the fixed box 3, and a connecting rod 15 is fixedly connected to one end of the threaded rod 17 that is inserted into the inside of the fixed box 3. The connecting rod 15 slides vertically through the bottom of the fixed box 3, and the bottom end of the connecting rod 15 is fixedly connected to the limiting base 16.

[0026] Working principle: After the fan 2 of the ventilation truck 1 is started, outdoor air is drawn into the ventilation truck 1. Since the ventilation truck 1 has a hollow structure and the ventilation box 4 is connected to the fan 2 through a flexible air guide duct 8, the air is transported to the ventilation box 4 along the flexible air guide duct 8. The ventilation box 4 can be moved to a location with poor air circulation inside the building according to actual construction needs, thereby blowing fresh air to that area to achieve the purpose of local ventilation.

[0027] The bottom of the ventilation box 4 has a protruding slider 7, and the inner wall of the ventilation cart 1 has a groove 6 that matches the slider 7. When installing the ventilation box 4, the slider 7 is aligned with the groove 6 and slid in, so that the ventilation box 4 is initially positioned on the ventilation cart 1. A handle 10 is installed on the side wall of the ventilation box 4 to facilitate the operator to carry and move the ventilation box 4. A limiting hole 9 is opened on the upper surface of the ventilation box 4, and a pull rod 5 that matches the limiting hole 9 is elastically installed on the upper surface of the ventilation cart 1. When the ventilation box 4 slides into place, the pull rod 5 is released, and the pull rod 5 pops down under the action of the spring 14 and inserts into the limiting hole 9 of the ventilation box 4, thereby firmly fixing the ventilation box 4 to the ventilation cart 1. When disassembling the ventilation box 4, the pull rod 5 is pulled upward to disengage the pull rod 5 from the limiting hole 9, and then the ventilation box 4 can be removed from the ventilation cart 1 through the handle 10.

[0028] The fixing box 3 is fixedly installed on the side wall of the ventilation cart 1, and two sets are symmetrically arranged. A threaded rod 17 is threaded through the upper surface of the fixing box 3. One end of the threaded rod 17, which is inserted into the inside of the fixing box 3, is fixedly connected to a connecting rod 15. The connecting rod 15 slides vertically through the bottom of the fixing box 3, and the bottom end of the connecting rod 15 is fixedly connected to a limiting base 16. By rotating the threaded rod 17, the connecting rod 15 and the limiting base 16 can be moved up and down. When it is necessary to fix the ventilation cart 1 in a specific position, rotating the threaded rod 17 causes the limiting base 16 to move downward until the limiting base 16 is in close contact with the ground or other supporting surface, thereby stabilizing the ventilation cart 1 and preventing the ventilation cart 1 from shaking or shifting during operation.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A ventilation device for building construction, comprising a ventilation cart (1), a ventilation box (4), and a fixing box (3), characterized in that, A fan (2) is installed on one side of the ventilation vehicle (1), and a detachable ventilation box (4) is installed on the other side. The interior of the ventilation vehicle (1) is hollow, and a duct (8) is connected between the ventilation box (4) and the fan (2). The fixing box (3) is fixedly installed on the side wall of the ventilation car (1). There are two sets of fixing boxes (3) symmetrically arranged. The bottom of the fixing box (3) is provided with a limiting chassis (16). A handle (10) is installed on the side wall of the ventilation box (4), and a limit hole (9) is opened on the upper surface. A pull rod (5) adapted to the limit hole (9) is elastically installed on the upper surface of the ventilation cart (1).

2. A ventilation device for building engineering according to claim 1, characterized in that, The bottom of the ventilation box (4) is provided with a slider (7).

3. A ventilation device for building engineering according to claim 2, characterized in that, The ventilation car (1) has a groove (6) on its inner wall that is adapted to the slider (7).

4. A ventilation device for building engineering according to claim 1, characterized in that, The ventilation vehicle (1) has an installation hole (11) on its upper surface, and the pull rod (5) passes through the installation hole (11).

5. A ventilation device for building engineering according to claim 4, characterized in that, A protruding ring (13) is fixedly installed on the outer wall of the pull rod (5), and a spring (14) is fixedly connected to the upper surface of the protruding ring (13).

6. A ventilation device for building engineering according to claim 5, characterized in that, The inner wall of the mounting hole (11) is provided with an inner groove (12) for the movable mounting of the protruding ring (13), and the end of the spring (14) away from the protruding ring (13) is fixedly connected to the inner wall of the inner groove (12).

7. A ventilation device for building engineering according to claim 5, characterized in that, A threaded rod (17) is threaded through the upper surface of the fixed box (3). One end of the threaded rod (17) that goes into the interior of the fixed box (3) is fixedly connected to a connecting rod (15). The connecting rod (15) slides vertically through the bottom of the fixed box (3). The bottom end of the connecting rod (15) is fixedly connected to a limiting base plate (16).

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