Modular building ventilation device

Abstract

The utility model relates to the technical field of building ventilation devices, and discloses a modular building ventilation device which comprises an outdoor ventilation pipeline, a ventilator and a filter screen are arranged in the outdoor ventilation pipeline, and an anti-blocking mechanism is arranged on the left side of the filter screen. The anti-blocking mechanism comprises a bearing, a rotating rod, a circular plate, fan blades, a connecting plate, a connecting rod, a vertical plate, a spring, a fixing rod and a rubber block, the vertical plate is fixedly installed at the top of the inner wall of the outdoor ventilation pipeline, and the connecting rod is movably connected to the vertical plate; external fresh air is sucked into an outdoor ventilation pipeline by starting a ventilator, fan blades rotate to drive a circular plate to eccentrically move to continuously extrude a connecting plate, the connecting plate drives a connecting rod to repeatedly move left and right under the action of a spring, and the connecting rod drives a rubber block to continuously hit a filter screen, so that dust on the filter screen is shaken off; the filter screen is prevented from being blocked and the ventilation efficiency is prevented from being influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of building ventilation devices, in particular to a modular building ventilation device. Background Art

[0002] During the construction process, the design and planning of building ventilation is an indispensable step. Building ventilation is divided into natural ventilation and mechanical ventilation. It means that the dirty air in the building is directly or purified and then discharged to the outside, and fresh air is added to keep the indoor air environment in line with the hygiene standards.

[0003] At present, the building ventilation system mainly adopts natural ventilation. Usually, ventilation windows are opened on the top or wall of the building. The wind pressure caused by the outdoor wind and the thermal pressure caused by the temperature difference between indoor and outdoor air are used to promote air flow, thereby realizing ventilation inside the building. However, there are the following defects: the design structure of the existing building ventilation system is simple, and some ventilation systems with filters will have dust and impurities blocking the filters after long-term use, which directly affects the ventilation effect and efficiency. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides a modular building ventilation device.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a modular building ventilation device, comprising an outdoor ventilation duct, wherein a ventilator and a filter are arranged inside the outdoor ventilation duct, an anti-blocking mechanism is arranged on the left side of the filter, and the anti-blocking mechanism comprises a bearing, a rotating rod, a circular plate, a fan blade, a connecting plate, a connecting rod, a vertical plate, a spring, a fixed rod, and a rubber block. The vertical plate is fixedly installed on the top of the inner wall of the outdoor ventilation duct, the connecting rod is movably connected to the vertical plate, the fixed rod is fixedly installed on the right end of the connecting rod, and the rubber block is fixedly connected to the right side of the fixed rod.

[0008] Preferably, the bearing is fixedly mounted on the top of the inner wall of the outdoor ventilation duct, the top of the rotating rod is fixedly connected to the inner ring of the bearing, and the fan blades are fixedly mounted on the bottom of the rotating rod. The rotating rod can be driven to rotate by arranging the fan blades.

[0009] Preferably, the circular plate is fixedly sleeved on the outer wall of the rotating rod, the connecting plate is fixedly installed on the left end of the connecting rod, the spring is sleeved on the outer wall of the connecting rod, and the two ends are respectively fixedly connected to the left side of the vertical plate and the right side of the connecting plate. The connecting rod can be driven to reset by setting a spring.

[0010] Preferably, the rotating rod is fixedly connected to a non-center portion of the circular plate and contacts the connecting plate, and a blocking rod is fixedly installed inside the outdoor ventilation duct to prevent debris from entering the outdoor ventilation duct and causing blockage.

[0011] Preferably, a groove body is fixedly installed at the bottom of the outdoor ventilation duct, and an opening is arranged at the front of the groove body, a box body is slidably connected inside the groove body, and a through hole is opened at the bottom of the outdoor ventilation duct, so that dust can fall into the box body.

[0012] Preferably, an inclined block is fixedly installed on the bottom of the inner wall of the outdoor ventilation duct, a fixing plate is fixedly installed on the bottom of the filter, and the filter passes through the bottom of the outdoor ventilation duct and is slidably connected to the outdoor ventilation duct, and the fixing plate and the trough body are threadedly connected with fastening bolts. The inclined block is provided to facilitate guiding dust to fall into the box body.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a modular building ventilation device, which has the following beneficial effects:

[0015] 1. This modular building ventilation device draws fresh air from outside into the outdoor ventilation duct by starting the ventilator. The rotation of the fan blade drives the circular plate to make eccentric movement to continuously squeeze the connecting plate. The connecting plate drives the connecting rod to move left and right repeatedly under the action of the spring. The connecting rod drives the rubber block to continuously hit the filter, thereby shaking off the dust on the filter to prevent the filter from being blocked and affecting the ventilation efficiency.

[0016] 2. This modular building ventilation device introduces fallen dust into the box body by setting a through hole. The box body is fixed by tightening the fastening bolts. The fastening bolts are loosened without being separated from the trough body to release the restriction of the box body, so that the box body can be pulled out to clean the dust. At this time, the filter is in a fixed state. Continuing to tighten the fastening bolts to separate it from the trough body can release the restriction of the filter, making it convenient to pull out the filter for replacement. The operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a cross-sectional view of the utility model;

[0020] Figure 3 It is an enlarged view of A of the present utility model.

[0021] In the figure: 1. outdoor ventilation duct; 2. baffle; 3. ventilator; 4. filter; 5. anti-blocking mechanism; 51. bearing; 52. rotating rod; 53. round plate; 54. fan blade; 55. connecting plate; 56. connecting rod; 57. vertical plate; 58. spring; 59. fixing rod; 510. rubber block; 6. oblique block; 7. through hole; 8. trough body; 9. box body; 10. fixing plate; 11. fastening bolts. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Example 1

[0024] like Figure 1-3 As shown, the utility model provides a modular building ventilation device, including an outdoor ventilation duct 1, a ventilator 3 and a filter 4 are arranged inside the outdoor ventilation duct 1, an anti-blocking mechanism 5 is arranged on the left side of the filter 4, and the anti-blocking mechanism 5 includes a bearing 51, a rotating rod 52, a circular plate 53, a fan blade 54, a connecting plate 55, a connecting rod 56, a vertical plate 57, a spring 58, a fixing rod 59, and a rubber block 510. The vertical plate 57 is fixedly installed on the top of the inner wall of the outdoor ventilation duct 1, the connecting rod 56 is movably connected to the vertical plate 57, the fixing rod 59 is fixedly installed on the right end of the connecting rod 56, the rubber block 510 is fixedly connected to the right side of the fixing rod 59, and the bearing 51 is fixedly installed on the top of the inner wall of the outdoor ventilation duct 1. The top of the rotating rod 52 is fixedly connected to the inner ring of the bearing 51, and the fan blade 54 is fixedly installed at the bottom of the rotating rod 52. The fan blade 54 can drive the rotating rod 52 to rotate. The circular plate 53 is fixedly sleeved on the outer wall of the rotating rod 52, and the connecting plate 55 is fixedly installed on the left end of the connecting rod 56. The spring 58 is sleeved on the outer wall of the connecting rod 56, and the two ends are respectively fixedly connected to the left side of the vertical plate 57 and the right side of the connecting plate 55. The spring 58 can drive the connecting rod 56 to reset. The rotating rod 52 is fixedly connected to the non-center of the circular plate 53 and contacts with the connecting plate 55. A baffle rod 2 is fixedly installed inside the outdoor ventilation duct 1. The baffle rod 2 is provided to prevent debris from entering the outdoor ventilation duct 1 and causing blockage.

[0025] In this embodiment, by starting the ventilator 3 to draw fresh air from outside into the outdoor ventilation duct 1, the fan blades 54 rotate to drive the circular plate 53 to make eccentric motion to continuously squeeze the connecting plate 55. The connecting plate 55 drives the connecting rod 56 to repeatedly move left and right under the action of the spring 58. The connecting rod 56 drives the rubber block 510 to continuously hit the filter 4, thereby shaking off the dust on the filter 4 to prevent the filter 4 from being blocked and affecting the ventilation efficiency.

[0026] Example 2

[0027] like Figure 1-3 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a groove body 8 is fixedly installed at the bottom of the outdoor ventilation duct 1, and the front of the groove body 8 is opened, and a box body 9 is slidably connected inside the groove body 8, and a through hole 7 is opened at the bottom of the outdoor ventilation duct 1, and the through hole 7 is provided so that dust can fall into the box body 9, an inclined block 6 is fixedly installed at the bottom of the inner wall of the outdoor ventilation duct 1, a fixing plate 10 is fixedly installed at the bottom of the filter screen 4, and the filter screen 4 passes through the bottom of the outdoor ventilation duct 1 and is slidably connected to the outdoor ventilation duct 1, the fixing plate 10 and the groove body 8 are threadedly connected with fastening bolts 11, and the inclined block 6 is provided to facilitate guiding dust to fall into the box body 9.

[0028] In this embodiment, the through hole 7 is provided to introduce the fallen dust into the box body 9, and the box body 9 is fixed by tightening the fastening bolts 11. The fastening bolts 11 are loosened but not separated from the groove body 8, so that the restriction of the box body 9 is released, and the box body 9 is conveniently pulled out to clean the dust. At this time, the filter 4 is in a fixed state, and the fastening bolts 11 are continued to be tightened to separate it from the groove body 8 to release the restriction of the filter 4, so that the filter 4 can be conveniently pulled out for replacement, and the operation is simple and convenient.

[0029] The working principle of this modular building ventilation device is described in detail below.

[0030] like Figure 1-3 As shown, when in use, by starting the ventilator 3, fresh air from the outside is drawn into the outdoor ventilation duct 1, and the rotation of the fan blades 54 drives the circular plate 53 to make an eccentric movement and continuously squeeze the connecting plate 55. The connecting plate 55 drives the connecting rod 56 to move left and right repeatedly under the action of the spring 58, and the connecting rod 56 drives the rubber block 510 to continuously hit the filter screen 4, thereby shaking off the dust on the filter screen 4 to prevent the filter screen 4 from being blocked and affecting the ventilation efficiency. The through hole 7 is provided to introduce the fallen dust into the box body 9, and the box body 9 is fixed by tightening the fastening bolts 11. The fastening bolts 11 are loosened without being separated from the groove body 8, and the restriction of the box body 9 is released, so that the box body 9 is convenient to be drawn out to clean the dust. At this time, the filter screen 4 is in a fixed state. Continuing to tighten the fastening bolts 11 to separate it from the groove body 8 can release the restriction of the filter screen 4, so that the filter screen 4 can be conveniently drawn out for replacement, and the operation is simple and convenient; the above is the working process of the entire device, and the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

Claims

1. A modular building ventilation device, comprising an outdoor ventilation duct (1), characterized in that: The outdoor ventilation duct (1) is provided with a ventilator (3) and a filter (4), and an anti-blocking mechanism (5) is provided on the left side of the filter (4). The anti-blocking mechanism (5) comprises a bearing (51), a rotating rod (52), a circular plate (53), a fan blade (54), a connecting plate (55), a connecting rod (56), a vertical plate (57), a spring (58), a fixing rod (59), and a rubber block (510). The vertical plate (57) is fixedly mounted on the top of the inner wall of the outdoor ventilation duct (1), the connecting rod (56) is movably connected to the vertical plate (57), the fixing rod (59) is fixedly mounted on the right end of the connecting rod (56), and the rubber block (510) is fixedly connected to the right side of the fixing rod (59).

2. A modular building ventilation device according to claim 1, characterized in that: The bearing (51) is fixedly mounted on the top of the inner wall of the outdoor ventilation duct (1), the top of the rotating rod (52) is fixedly connected to the inner ring of the bearing (51), and the fan blade (54) is fixedly mounted on the bottom of the rotating rod (52).

3. A modular building ventilation device according to claim 2, characterized in that: The circular plate (53) is fixedly sleeved on the outer wall of the rotating rod (52), the connecting plate (55) is fixedly installed on the left end of the connecting rod (56), and the spring (58) is sleeved on the outer wall of the connecting rod (56), and the two ends are respectively fixedly connected to the left side of the vertical plate (57) and the right side of the connecting plate (55).

4. A modular building ventilation device according to claim 3, characterized in that: The rotating rod (52) is fixedly connected to a non-center portion of the circular plate (53) and is in contact with the connecting plate (55). A blocking rod (2) is fixedly installed inside the outdoor ventilation duct (1).

5. A modular building ventilation device according to claim 1, characterized in that: A trough body (8) is fixedly mounted at the bottom of the outdoor ventilation duct (1), and the front of the trough body (8) is opened. A box body (9) is slidably connected inside the trough body (8), and a through hole (7) is opened at the bottom of the outdoor ventilation duct (1).

6. A modular building ventilation device according to claim 5, characterized in that: An inclined block (6) is fixedly mounted on the bottom of the inner wall of the outdoor ventilation duct (1), a fixing plate (10) is fixedly mounted on the bottom of the filter screen (4), and the filter screen (4) penetrates the bottom of the outdoor ventilation duct (1) and is slidably connected to the outdoor ventilation duct (1), and a fastening bolt (11) is threadedly connected to the fixing plate (10) and the trough body (8).

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