Indoor ventilation mechanism for building construction

Abstract

The utility model relates to an indoor ventilation mechanism for building construction, which belongs to the technical field of indoor ventilation and comprises a ventilation pipe, a mounting frame, an air exhaust fan and a filter screen, a cleaning mechanism is arranged at the top of the ventilation pipe, and a collecting structure is arranged at the bottom of the ventilation pipe. The cleaning mechanism comprises a heightening table fixedly installed on the outer wall of the top of the ventilation pipe, and a water pump is fixedly installed on the outer wall of the top of the heightening table. According to the indoor air exchange and ventilation mechanism for building construction, air in a ventilation pipe is wetted through the action of a water pump, a water inlet pipe, a communicating pipe, a water tank and an atomizing spray head, the air quality is improved, and an output pipe, a cleaning spray head and a baffle are driven to move downwards through the action of an electric sliding table, a mounting plate and a connecting rod; and dust on the filter screen is flushed under the action of the cleaning spray head, and meanwhile, water is blocked by the baffle, so that a large amount of water is prevented from entering a room, and the indoor ventilation effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of indoor ventilation and exchanging air, in particular to an indoor ventilation and exchanging air mechanism for building construction. Background Art

[0002] Indoor ventilation system for construction refers to a ventilation system set up during the construction process to improve indoor air quality, ensure the health of construction workers, and meet the requirements of the construction environment. It usually includes components such as fans, air ducts, and air handling units. It realizes the exchange of indoor and outdoor air through mechanical or natural means to eliminate harmful gases, dust and moisture, regulate indoor temperature and humidity, and ensure the comfort and safety of the construction environment.

[0003] At present, since a lot of dust is generated during construction at construction sites, outdoor air is generally drawn into the room through an exhaust fan when ventilating the room. Although a dust net is generally set at the air inlet end of the exhaust fan, a lot of dust will adhere to the dust net, which will not only affect the indoor ventilation effect, but also make the air drier, resulting in poor air input into the room. Therefore, an indoor ventilation mechanism for construction is proposed. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the utility model provides an indoor ventilation mechanism for construction, which has the advantages of improving ventilation quality and efficiency, and solves the problem that a lot of dust will adhere to the dustproof net, which not only affects the indoor ventilation effect, but also makes the air drier, resulting in poor air input into the room.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an indoor ventilation mechanism for construction, comprising a ventilation pipe, a mounting frame, an exhaust fan and a filter screen, a cleaning mechanism being provided at the top of the ventilation pipe, and a collection structure being provided at the bottom of the ventilation pipe;

[0006] The cleaning mechanism includes a raised platform fixedly mounted on the top outer wall of the ventilation pipe, a water pump fixedly mounted on the top outer wall of the raised platform, a water inlet pipe and a water outlet pipe fixedly mounted on the water inlet end and the water outlet end of the water pump respectively, a first electric valve mounted on the outer peripheral wall of the outlet pipe, a connecting pipe fixedly mounted on the outer peripheral wall of the outlet pipe, a second electric valve mounted on the outer peripheral wall of the connecting pipe, the bottom of the connecting pipe is fixedly connected to a water tank, the bottom of the water tank is fixedly connected to an atomizing nozzle, an electric slide is fixedly mounted on the top outer wall of the ventilation pipe, the movable shaft of the electric slide is fixedly connected to a mounting plate, the bottom outer wall of the mounting plate is fixedly connected to a baffle, a connecting rod is fixedly mounted on the right outer wall of the baffle, an output pipe is fixedly mounted on the side of the connecting rod away from the baffle, and three cleaning nozzles are fixedly mounted on the outer peripheral wall of the output pipe.

[0007] Furthermore, the collection structure includes two guide seats fixedly installed on the bottom inner wall of the ventilation pipe, two support rods fixedly installed on the bottom outer wall of the ventilation pipe, a support plate fixedly installed on the bottom outer wall of the support rod, a recovery box is slidably connected to the top of the support plate, the inner thread of the support rod on the left side is connected to a threaded rod, and a mounting seat is fixedly installed on the left outer wall of the recovery box.

[0008] Furthermore, two exhaust outlets are provided at the bottom of the ventilation pipe, the cross-section of the guide seat is a right triangle, the front and rear outer walls of the guide seat are respectively fitted with the front and rear inner walls of the ventilation pipe, the two exhaust outlets are located between the two guide seats, and the left outer wall of the left guide seat and the left outer wall of the baffle are located in the same vertical plane.

[0009] Furthermore, a positioning groove is provided on the top of the support plate, the recovery box is slidably connected to the inside of the positioning groove and is adapted in size, and the threaded rod is rotatably connected to the inside of the mounting seat.

[0010] Furthermore, the water tank is fixedly mounted on the top outer wall of the ventilation pipe, and the atomizing nozzle penetrates the top of the ventilation pipe and extends inward.

[0011] Furthermore, the water outlet pipe is slidably connected to the inner wall of the output pipe, a piston is provided on the side of the water outlet pipe away from the water pump, a slide groove and a cleaning groove are respectively provided on the top of the ventilation pipe, the baffle is slidably connected to the inside of the slide groove and is adapted in size, the output pipe and the cleaning nozzle are both slidably connected to the inside of the cleaning groove and are adapted in size, and the front and rear outer walls of the baffle are respectively slidably connected to the front and rear inner walls of the ventilation pipe.

[0012] Furthermore, there are two mounting brackets fixedly mounted on the top inner wall and the bottom inner wall of the ventilation duct respectively, the exhaust fan is fixedly mounted between the two mounting brackets, and the filter is fixedly mounted inside the ventilation duct.

[0013] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0014] The indoor ventilation mechanism for building construction moistens the air in the ventilation pipe to improve the air quality through the functions of a water pump, a water inlet pipe, a connecting pipe, a water tank and an atomizing nozzle. The output pipe, the cleaning nozzle and the baffle are driven downward by the functions of an electric slide, a mounting plate and a connecting rod. The dust on the filter screen is washed away by the cleaning nozzle. At the same time, the baffle blocks the water to prevent a large amount of water from entering the room, thereby improving the indoor ventilation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A is an enlarged structural diagram;

[0017] Figure 3 This is a schematic diagram of the connection structure between the support plate and the recycling box of the utility model.

[0018] In the picture:

[0019] 1. Ventilation duct; 2. Mounting frame; 3. Exhaust fan; 4. Filter; 5. Raising platform; 6. Water pump; 7. Water inlet pipe; 8. Water outlet pipe; 9. First electric valve; 10. Connecting pipe; 11. Second electric valve; 12. Water tank; 13. Atomizing nozzle; 14. Electric slide; 15. Mounting plate; 16. Baffle; 17. Connecting rod; 18. Output pipe; 19. Cleaning nozzle; 20. Guide seat; 21. Support rod; 22. Support plate; 23. Recovery box; 24. Threaded rod; 25. Mounting seat. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figures 1 to 3 In this embodiment, an indoor ventilation mechanism for construction includes a ventilation pipe 1, a mounting frame 2, an exhaust fan 3 and a filter 4. A cleaning mechanism is provided at the top of the ventilation pipe 1, and a collecting structure is provided at the bottom of the ventilation pipe 1.

[0022] There are two mounting brackets 2 , which are fixedly mounted on the top inner wall and the bottom inner wall of the ventilation duct 1 , respectively. The exhaust fan 3 is fixedly mounted between the two mounting brackets 2 , and the filter 4 is fixedly mounted inside the ventilation duct 1 .

[0023] The cleaning mechanism includes a raised platform 5 fixedly mounted on the top outer wall of the ventilation pipe 1, a water pump 6 fixedly mounted on the top outer wall of the raised platform 5, a water inlet pipe 7 and a water outlet pipe 8 fixedly mounted on the water inlet end and the water outlet end of the water pump 6 respectively, a first electric valve 9 is mounted on the outer peripheral wall of the water outlet pipe 8, a connecting pipe 10 is fixedly mounted on the outer peripheral wall of the water outlet pipe 8, a second electric valve 11 is mounted on the outer peripheral wall of the connecting pipe 10, a water tank 12 is fixedly connected to the bottom of the connecting pipe 10, an atomizing nozzle 13 is fixedly connected to the bottom of the water tank 12, the water tank 12 is fixedly mounted on the top outer wall of the ventilation pipe 1, and the atomizing nozzle 13 passes through the top of the ventilation pipe 1 and extends inward.

[0024] An electric slide 14 is fixedly installed on the top outer wall of the ventilation duct 1, and the movable shaft of the electric slide 14 is fixedly connected to the mounting plate 15. The bottom outer wall of the mounting plate 15 is fixedly connected to the baffle 16. A connecting rod 17 is fixedly installed on the right outer wall of the baffle 16. An output pipe 18 is fixedly installed on the side of the connecting rod 17 away from the baffle 16. Three cleaning nozzles 19 are fixedly installed on the outer peripheral wall of the output pipe 18. The water outlet pipe 8 is slidably connected to the inner peripheral wall of the output pipe 18. A piston is provided on the side of the water outlet pipe 8 away from the water pump 6. A slide groove and a cleaning groove are respectively provided on the top of the ventilation duct 1. The baffle 16 is slidably connected to the inside of the slide groove and is adapted in size. The output pipe 18 and the cleaning nozzle 19 are both slidably connected to the inside of the cleaning groove and are adapted in size. The front and rear outer walls of the baffle 16 are slidably connected to the front and rear inner walls of the ventilation duct 1 respectively.

[0025] The collection structure includes two guide seats 20 fixedly installed on the bottom inner wall of the ventilation pipe 1, two support rods 21 fixedly installed on the bottom outer wall of the ventilation pipe 1, a support plate 22 fixedly installed on the bottom outer wall of the support rod 21, a recovery box 23 is slidably connected to the top of the support plate 22, a threaded rod 24 is connected to the inner thread of the left support rod 21, and a mounting seat 25 is fixedly installed on the left outer wall of the recovery box 23.

[0026] Two discharge outlets are provided at the bottom of the ventilation duct 1. The cross-section of the guide seat 20 is a right triangle. The front and rear outer walls of the guide seat 20 are respectively fitted with the front and rear inner walls of the ventilation duct 1. The two discharge outlets are located between the two guide seats 20. The left outer wall of the left guide seat 20 and the left outer wall of the baffle 16 are located in the same vertical plane. A positioning groove is provided at the top of the support plate 22. The recovery box 23 is slidably connected to the inside of the positioning groove and is adapted in size. The threaded rod 24 is rotatably connected to the inside of the mounting seat 25.

[0027] In this embodiment, the discharge port is located directly above the recovery box 23. The water after cleaning the filter 4 carries dust and impurities and flows into the interior of the recovery box 23. The inclined surface of the guide seat 20 facilitates water recovery.

[0028] In this embodiment, the atomizing nozzle 13 increases the humidity of the air inside the ventilation pipe 1, and at the same time, some dust with smaller mass will merge with the mist, reducing the amount of dust entering the filter 4 and reducing the filtering load of the filter 4.

[0029] The working principle of the above embodiment is:

[0030] When it is necessary to ventilate the room, the exhaust fan 3 is started to draw outdoor air into the room. At this time, the second electric valve 11 is opened, and the water pump 6 is started to input water into the water tank 12 through the water inlet pipe 7, the water outlet pipe 8 and the connecting pipe 10. When the water in the water tank 12 is full, the second electric valve 11 is closed. At this time, the atomizing nozzle 13 atomizes the water and sprays it into the inside of the ventilation pipe 1 to increase the humidity of the air. When there is a lot of dust adhering to the filter 4, the electric slide 14 is started to drive the baffle 16 and the output pipe 18 to move downward synchronously through the action of the mounting plate 15 and the connecting rod 17. At this time, the first electric valve 9 is opened and started again. The water pump 6 inputs water into the inside of the output pipe 18 through the water outlet pipe 8 and the water inlet pipe 7. At this time, the cleaning nozzle 19 sprays water on the filter 4 and cleans it. At this time, the cleaned water will flow into the inside of the recovery box 23 through the discharge outlet.

[0031] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An indoor ventilation mechanism for building construction, comprising a ventilation pipe (1), a mounting frame (2), an exhaust fan (3) and a filter (4), characterized in that: The top of the ventilation pipe (1) is provided with a cleaning mechanism, and the bottom of the ventilation pipe (1) is provided with a collecting structure; The cleaning mechanism comprises a raised platform (5) fixedly mounted on the top outer wall of the ventilation pipe (1); a water pump (6) is fixedly mounted on the top outer wall of the raised platform (5); a water inlet pipe (7) and a water outlet pipe (8) are fixedly mounted on the water inlet end and the water outlet end of the water pump (6); a first electric valve (9) is mounted on the outer peripheral wall of the water outlet pipe (8); a connecting pipe (10) is fixedly mounted on the outer peripheral wall of the water outlet pipe (8); a second electric valve (11) is mounted on the outer peripheral wall of the connecting pipe (10); a water tank (12) is fixedly connected to the bottom of the connecting pipe (10); The bottom of the water tank (12) is fixedly connected with an atomizing nozzle (13), the top outer wall of the ventilation pipe (1) is fixedly installed with an electric slide (14), the movable shaft of the electric slide (14) is fixedly connected with a mounting plate (15), the bottom outer wall of the mounting plate (15) is fixedly connected with a baffle (16), the right outer wall of the baffle (16) is fixedly installed with a connecting rod (17), the side of the connecting rod (17) away from the baffle (16) is fixedly installed with an output pipe (18), and the outer peripheral wall of the output pipe (18) is fixedly installed with three cleaning nozzles (19).

2. The indoor ventilation mechanism for construction according to claim 1, characterized in that: The collecting structure comprises two guide seats (20) fixedly mounted on the inner wall of the bottom of the ventilation pipe (1); two support rods (21) are fixedly mounted on the outer wall of the bottom of the ventilation pipe (1); a support plate (22) is fixedly mounted on the outer wall of the bottom of the support rod (21); a recovery box (23) is slidably connected to the top of the support plate (22); a threaded rod (24) is connected to the inner thread of the left support rod (21); and a mounting seat (25) is fixedly mounted on the outer wall of the left side of the recovery box (23).

3. The indoor ventilation mechanism for construction according to claim 2, characterized in that: The bottom of the ventilation pipe (1) is provided with two discharge outlets. The cross section of the guide seat (20) is a right triangle. The front and rear outer walls of the guide seat (20) are respectively fitted with the front and rear inner walls of the ventilation pipe (1). The two discharge outlets are located between the two guide seats (20). The left outer wall of the left guide seat (20) and the left outer wall of the baffle (16) are located in the same vertical plane.

4. The indoor ventilation mechanism for construction according to claim 2, characterized in that: A positioning groove is provided on the top of the support plate (22), the recovery box (23) is slidably connected inside the positioning groove and has a size that matches the size, and the threaded rod (24) is rotatably connected inside the mounting seat (25).

5. The indoor ventilation mechanism for construction according to claim 1, characterized in that: The water tank (12) is fixedly mounted on the top outer wall of the ventilation pipe (1), and the atomizing nozzle (13) penetrates the top of the ventilation pipe (1) and extends inward.

6. The indoor ventilation mechanism for construction according to claim 1, characterized in that: The water outlet pipe (8) is slidably connected to the inner peripheral wall of the output pipe (18); a piston is provided on the side of the water outlet pipe (8) away from the water pump (6); a chute and a cleaning trough are respectively provided on the top of the ventilation pipe (1); the baffle (16) is slidably connected to the inside of the chute and is adapted in size; the output pipe (18) and the cleaning nozzle (19) are both slidably connected to the inside of the cleaning trough and are adapted in size; the front and rear outer walls of the baffle (16) are slidably connected to the front and rear inner walls of the ventilation pipe (1).

7. The indoor ventilation mechanism for construction according to claim 1, characterized in that: The number of the mounting frames (2) is two and they are fixedly mounted on the top inner wall and the bottom inner wall of the ventilation pipe (1), respectively; the exhaust fan (3) is fixedly mounted between the two mounting frames (2); and the filter (4) is fixedly mounted inside the ventilation pipe (1).

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