Adjustable ventilation mechanism

Abstract

The utility model discloses an adjustable ventilation mechanism which comprises a portable house, a main air pipe, a sliding frame, an opening and closing assembly and an air supply assembly, an air outlet is formed in the bottom of the main air pipe, the adjustable ventilation mechanism further comprises a sealing seat corresponding to the air outlet, the sliding frame is connected with the main air pipe in a sliding mode, and an air inlet pipe is fixedly connected to the bottom of the sliding frame. External air is input into the main air pipe through the air supply assembly, the sliding frame slides on the main air pipe so as to drive the air inlet pipe to move, when the sliding frame moves to the position of the corresponding air outlet, the opening and closing assembly enables the sealing seat to move upwards, the air outlet is opened, and the air outlets in other positions are sealed by the sealing seat. Air in the main air pipe is exhausted through the air inlet pipe and the air inlet, so that air is input into the portable house, indoor air can flow out from the door and window, ventilation of the portable house is achieved, the air inlet position can be adjusted, and the better ventilation effect is achieved.

Description

Technical Field

[0001] The utility model relates to an adjustable ventilation mechanism, in particular to a ventilation mechanism with adjustable ventilation position for a movable board house. Background Art

[0002] Prefab houses are a new concept of environmentally friendly and economical prefab houses, with color steel plates as the frame, sandwich panels as the enclosure material, standard module series for space combination, and bolted components. They can be assembled and disassembled conveniently and quickly, realizing the universal standardization of temporary buildings, establishing the concept of environmentally friendly, energy-saving, fast and efficient construction, and making temporary houses enter the field of standardized products with serial development, integrated production, supporting supply, inventory and multiple turnover.

[0003] Compared with traditional buildings, prefabricated houses have poorer thermal insulation. In the high temperature environment in summer, prefabricated houses need good ventilation to take away the heat. Existing prefabricated houses generally have fans installed on the walls for ventilation, but the position of the fans is fixed and the ventilation position cannot be adjusted as needed. Utility Model Content

[0004] In order to solve the above problems, the utility model provides an adjustable ventilation mechanism, which is achieved through the following technical solutions.

[0005] An adjustable ventilation mechanism includes a movable board house and further includes:

[0006] A main air duct, the main air duct is located in the mobile house and is arranged along the length of the mobile house, the rear side of the main air duct is evenly fixed with support rods along its length, the head of the support rod is fixed with a fixing seat, the four corners of the fixing seat are fixedly connected to the mobile house by fixing bolts, the bottom of the main air duct is evenly opened with air outlets along its length direction, and also includes a sealing seat adapted to the air outlet;

[0007] A sliding frame, wherein the sliding frame is slidably connected to the main air duct sleeve, an opening is provided on the sliding frame at a position corresponding to the support rod, a cover body is fixedly connected to the bottom of the sliding frame, an air inlet duct is fixedly connected to the bottom of the cover body, and the air inlet duct is densely covered with air inlets;

[0008] An opening and closing component, the opening and closing component is used to drive the sealing seat to open or close the air outlet;

[0009] The air supply component is fixedly connected in the movable board house, and the air supply component is connected to the left end of the main air duct through the air supply pipe.

[0010] Preferably, the opening and closing assembly includes a fixed cylinder and a permanent magnetic seat; the fixed cylinder is fixed to the lower surface of the top plate of the main air duct, a suspension rod is slidably connected to the bottom plate of the fixed cylinder, a sliding seat is fixed to the top of the suspension rod, the sliding seat is slidably connected in the fixed cylinder, the sealing seat is fixed to the bottom of the suspension rod, the sealing seat is made of a permanent magnet, the permanent magnetic seat is fixed to the bottom plate of the cover body, the permanent magnetic seat is opposite to the sealing seat, and the polarity of the permanent magnetic seat and the sealing seat on the side close to each other is the same.

[0011] Preferably, the air outlet is in the shape of a truncated cone that is larger at the top and smaller at the bottom, and the shape of the sealing seat is adapted to the air outlet.

[0012] Preferably, the air inlet pipe is symmetrically arranged on the left and right sides of the permanent magnet seat.

[0013] Preferably, a positioning groove is provided on the upper surface of the top plate of the main air duct, and positioning bolts are symmetrically engaged with positions corresponding to the positioning grooves on the top plate of the sliding frame.

[0014] Preferably, the air supply assembly includes a duct and a motor; the duct is fixed in the wall of the mobile house, the front end of the duct is sealed by a filter, the front end of the duct is fixedly connected to a hood, the motor is fixed in the hood, the motor drives an output shaft, the output shaft is rotatably connected to the front side plate of the duct, and the head of the output shaft is evenly fixedly connected with fan blades, the air supply pipe is fixedly connected to the top of the duct and is located in front of the fan blades, and when the motor drives the fan blades to rotate, the air in the duct flows from back to front.

[0015] Preferably, a mounting cylinder is movably inserted at the front end of the wind tube, the filter is fixed in the mounting cylinder, a mounting ring is fixed to the outer ring of the mounting cylinder, and the mounting ring is connected to the wind tube via mounting bolts.

[0016] The beneficial effect of the present invention is that the outside air is input into the main air duct through the air supply assembly, the sliding frame slides on the main air duct, thereby driving the air inlet duct to move, and when the sliding frame moves to the corresponding air outlet position, the opening and closing assembly causes the sealing seat to move up, the air outlet here is opened, and the air outlets at other positions are closed by the sealing seat, and the air in the main air duct is discharged through the air inlet duct and the air inlet, thereby inputting air into the portable house, and the indoor air can also flow out from the doors and windows, thereby realizing ventilation of the portable house. The present application can adjust the position of the air inlet to achieve better ventilation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 : A transverse cross-sectional view of the main air duct position of the utility model;

[0019] Figure 2 : Figure 1 The local enlarged view of point Ⅰ is shown;

[0020] Figure 3 : A longitudinal cross-sectional view of the position of the sliding frame of the utility model;

[0021] Figure 4 : A schematic diagram of the structure of the air supply assembly of the utility model;

[0022] Figure 5 : Figure 4 A local enlarged view of point Ⅱ is shown.

[0023] The reference numerals are as follows:

[0024] A-prefab house, 1-main air duct, 11-support rod, 12-fixed seat, 13-fixed bolt, 14-air outlet, 15-sealing seat, 16-air supply pipe, 2-sliding frame, 21-opening, 22-hood, 23-air inlet pipe, 24-air inlet, 25-positioning groove, 26-positioning bolt, 31-fixed cylinder, 32-permanent magnetic seat, 33-hanging rod, 34-sliding seat, 41-wind cylinder, 42-motor, 43-filter, 44-hood, 45-output shaft, 46-fan blades, 47-mounting cylinder, 48-mounting ring, 49-mounting bolt. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figure 1-5 As shown, an adjustable ventilation mechanism includes a movable board house A, and further includes:

[0027] The main air duct 1 is located in the mobile house A and is arranged along the length of the mobile house A. The rear side of the main air duct 1 is evenly fixed with support rods 11 along its length. The head of the support rod 11 is fixed with a fixing seat 12. The four corners of the fixing seat 12 are fixedly connected to the mobile house A through fixing bolts 13. The bottom of the main air duct 1 is evenly opened with air outlets 14 along its length direction, and also includes a sealing seat 15 adapted to the air outlet 14;

[0028] The sliding frame 2 is slidably connected with the main air duct 1. An opening 21 is provided on the sliding frame 2 at a position corresponding to the support rod 11. A cover body 22 is fixedly connected to the bottom of the sliding frame 2. An air inlet duct 23 is fixedly connected to the bottom of the cover body 22. The air inlet duct 23 is densely covered with air inlets 24.

[0029] An opening and closing component, which is used to drive the sealing seat 15 to open or close the air outlet 14;

[0030] The air supply assembly is fixedly connected in the movable board house A, and the air supply assembly is connected to the left end of the main air duct 1 through the air supply pipe 16.

[0031] Furthermore, the opening and closing assembly includes a fixed cylinder 31 and a permanent magnet seat 32; the fixed cylinder 31 is fixedly connected to the lower surface of the top plate of the main air duct 1, and a suspension rod 33 is slidably connected in the bottom plate of the fixed cylinder 31, and a sliding seat 34 is fixedly connected to the top of the suspension rod 33, and the sliding seat 34 is slidably connected in the fixed cylinder 31, and the sealing seat 15 is fixedly connected to the bottom of the suspension rod 33, and the sealing seat 15 is made of a permanent magnet. The permanent magnet seat 32 is fixedly connected to the bottom plate of the cover body 22, and the permanent magnet seat 32 is opposite to the sealing seat 15, and the polarity of the permanent magnet seat 32 and the sealing seat 15 on the side close to each other is the same.

[0032] Furthermore, the air outlet 14 is in the shape of a truncated cone that is larger at the top and smaller at the bottom, and the shape of the sealing seat 15 is adapted to the air outlet 14 .

[0033] Furthermore, the air inlet pipe 23 is symmetrically arranged on the left and right sides of the permanent magnet seat 32 .

[0034] Furthermore, a positioning groove is provided on the upper surface of the top plate of the main air duct 1 , and positioning bolts are symmetrically engaged with positions corresponding to the positioning grooves on the top plate of the sliding frame 2 .

[0035] Furthermore, the air supply assembly includes an air duct 41 and a motor 42; the air duct 41 is fixed in the wall of the mobile cabin A, the front end of the air duct 41 is sealed by a filter 43, the front end of the air duct 41 is fixedly connected to a hood 44, the motor 42 is fixedly connected in the hood 44, the motor 42 drives an output shaft 45, the output shaft 45 is rotatably connected to the front side plate of the air duct 41, and the head of the output shaft 45 is evenly fixedly connected with fan blades 46, the air supply pipe 16 is fixedly connected to the top of the air duct 41 and is located in front of the fan blades 46, when the motor 42 drives the fan blades 46 to rotate, the air in the air duct 41 flows from back to front.

[0036] Furthermore, a mounting cylinder 47 is movably inserted at the front end of the air cylinder 41 , the filter screen 43 is fixed in the mounting cylinder 47 , a mounting ring 48 is fixed to the outer ring of the mounting cylinder 47 , and the mounting ring 48 is connected to the air cylinder 41 via mounting bolts 49 .

[0037] A specific implementation of the utility model is:

[0038] like Figure 1and 3 As shown, first loosen the positioning bolts to allow the sliding frame 2 to move on the main air duct 1. After reaching the specified position, tighten the positioning bolts to fix the position of the sliding frame 2. At this time, under the action of the magnetic repulsive force, the sealing seat 15 rises and the air outlet 14 at the corresponding position opens.

[0039] The motor 42 is powered by external AC power. When the motor 42 is working, it drives the output shaft 45 and the blades to rotate. The air in the air duct 41 flows from the back to the front. The outside air enters through the filter 43 and is input into the main air duct 1 through the air supply pipe 16. The air in the main air duct 1 enters the movable room A through the air outlet 14, the cover 22, the air inlet pipe 23 and the air inlet 24 in turn, thereby realizing the ventilation function.

[0040] like Figure 4-5 As shown, the filter 43 can block dust in the air. When there is a lot of dust on the filter 43, the mounting bolts 49 can be unscrewed to remove the mounting cylinder 47 and the filter 43 to clean the dust on the filter 43.

[0041] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An adjustable ventilation mechanism, comprising a mobile house, characterized in that: Also includes: A main air duct, the main air duct is located in the mobile house and is arranged along the length of the mobile house, the rear side of the main air duct is evenly fixed with support rods along its length, the head of the support rod is fixed with a fixing seat, the four corners of the fixing seat are fixedly connected to the mobile house by fixing bolts, the bottom of the main air duct is evenly opened with air outlets along its length direction, and also includes a sealing seat adapted to the air outlet; A sliding frame, wherein the sliding frame is slidably connected to the main air duct sleeve, an opening is provided on the sliding frame at a position corresponding to the support rod, a cover body is fixedly connected to the bottom of the sliding frame, an air inlet duct is fixedly connected to the bottom of the cover body, and the air inlet duct is densely covered with air inlets; An opening and closing component, the opening and closing component is used to drive the sealing seat to open or close the air outlet; The air supply component is fixedly connected in the movable board house, and the air supply component is connected to the left end of the main air duct through the air supply pipe.

2. An adjustable ventilation mechanism according to claim 1, characterized in that: The opening and closing assembly includes a fixed cylinder and a permanent magnetic seat; the fixed cylinder is fixedly connected to the lower surface of the top plate of the main air duct, a suspension rod is slidably connected in the bottom plate of the fixed cylinder, a sliding seat is fixedly connected to the top of the suspension rod, the sliding seat is slidably connected in the fixed cylinder, the sealing seat is fixedly connected to the bottom of the suspension rod, the sealing seat is made of a permanent magnet, the permanent magnetic seat is fixedly connected to the bottom plate of the cover body, the permanent magnetic seat is opposite to the sealing seat, and the polarity of the permanent magnetic seat and the sealing seat on the side close to each other is the same.

3. An adjustable ventilation mechanism according to claim 2, characterized in that: The air outlet is in the shape of a truncated cone with a larger top and a smaller bottom, and the shape of the sealing seat is adapted to the air outlet.

4. An adjustable ventilation mechanism according to claim 2, characterized in that: The air inlet pipe is symmetrically arranged on the left and right sides of the permanent magnet seat.

5. The adjustable ventilation mechanism according to claim 1, characterized in that: A positioning groove is provided on the upper surface of the top plate of the main air duct, and positioning bolts are symmetrically engaged at positions corresponding to the positioning grooves on the top plate of the sliding frame.

6. The adjustable ventilation mechanism according to claim 1, characterized in that: The air supply assembly includes a duct and a motor; the duct is fixed in the wall of the mobile house, the front end of the duct is sealed by a filter, the front end of the duct is fixedly connected to a hood, the motor is fixed in the hood, the motor drives an output shaft, the output shaft is rotatably connected to the front side plate of the duct, and the head of the output shaft is evenly fixedly connected with fan blades, the air supply pipe is fixedly connected to the top of the duct and is located in front of the fan blades, and when the motor drives the fan blades to rotate, the air in the duct flows from back to front.

7. An adjustable ventilation mechanism according to claim 6, characterized in that: The front end of the wind tube is movably plugged with a mounting tube, the filter screen is fixed in the mounting tube, the outer ring of the mounting tube is fixed with a mounting ring, and the mounting ring is connected to the wind tube through mounting bolts.

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