Rectangular air duct elbow for marine use with flow guide plates

Abstract

The present invention discloses a rectangular air duct elbow for ships with a flow guide plate type, which includes a pipe body. The shape of the pipe body is S-shaped, the cross-sectional shape of the pipe body is n-shaped, the pipe body is composed of a horizontal plate and two vertical plates. The shapes of the horizontal plate and the vertical plates are both S-shaped. The two vertical plates are located on both sides of the horizontal plate. The lower surface of the pipe body is movably connected to the cover plate. At the center of the upper surface of the cover plate, there are two flow guide plate bodies. Each flow guide plate body is respectively located at the two turning points of the pipe body. The flow path is divided into two paths through the flow guide plate bodies, thereby reducing the flow velocity resistance and the impact force of the wind speed on the elbow, further reducing the air flow eddy current in the elbow, further reducing the noise, reducing the energy loss, enabling the air flow to smoothly transition through the elbow, and effectively reducing the impact force of the gas on the elbow, reducing the wear, and improving the service life of the elbow.

Description

Technical Field

[0001] The present invention relates to a rectangular duct elbow for marine use with a flow guiding plate type. Background Art

[0002] A ship ventilation system is a pipe system that uses machinery or relies on the natural circulation of air to ventilate the ship's cabins. The functions of the ventilation system include reducing the temperature of the engine room, exhausting oil gas and water vapor in the engine room, supplying sufficient fresh air to the engine room. There are relatively complete ventilation pipelines in the engine rooms of large and medium-sized ships. For the engine rooms of small ships, natural ventilation is also achieved by using skylights, hatches, passages, and ventilation heads.

[0003] In a marine ventilation system, when the air flow passes through the right-angle elbow of a rectangular duct, the spatial direction changes, causing vortices to be generated in the bent pipe, increasing the resistance, reducing the air pressure, and generating noise. Summary of the Invention

[0004] The purpose of the present invention is to provide a rectangular duct elbow for marine use with a flow guiding plate type, which can effectively solve the problems of vortex generation, increased resistance, reduced air pressure, and noise generation in the bent pipe in the background art.

[0005] The technical solution for achieving the above purpose is: A rectangular duct elbow for marine use with a flow guiding plate type includes a pipe body. The shape of the pipe body is in an S shape, the cross-sectional shape of the pipe body is in an n shape, the pipe body is composed of a horizontal plate and two vertical plates. The horizontal plate and the vertical plates are both in an S shape. The two vertical plates are located on both sides of the horizontal plate. The lower surface of the pipe body is movably connected to the cover plate. At the center of the upper surface of the cover plate, there are two flow guiding plate bodies. Each flow guiding plate body is respectively located at the two turning positions of the pipe body. On the inner upper surface of the pipe body, there are two mounting blocks. On the surface of each mounting block, there is a mounting groove. The upper end of each flow guiding plate body belonging to each mounting block is movably connected in each mounting groove. There are multiple fixing plates on both sides of the pipe body, and multiple connecting plates on both sides of the cover plate. Each connecting plate corresponds to one of the fixing plates. Both ends of the pipe body are connected to mounting plates. Multiple circular holes are respectively penetrated through the surface of each mounting plate.

[0006] Preferably: There are two sealing grooves and two through grooves on the upper surface of the cover plate. The two through grooves respectively correspond to the flow guiding plate bodies belonging to them. The two sealing grooves respectively correspond to the vertical plates on both sides of the pipe body. At the lower end of the cover plate, there are two fixing grooves. The two fixing grooves respectively correspond to the through grooves belonging to them. Two threaded holes are provided in each fixing groove, and the two threaded holes are respectively located at both ends of the through groove.

[0007] Preferably, a mounting seat is connected to the lower surface of each deflector body. Two mounting holes are provided on the surface of the mounting seat. Each mounting hole corresponds to the threaded hole. A screw is movably connected in each mounting hole, and the screw is threadedly connected to the threaded hole at the same time.

[0008] Preferably, a first connection hole and a second connection hole are respectively provided through the upper surface of each fixing plate. The first connection hole is located inside the second connection hole. A suspension rod is threadedly connected in the first connection hole, and an adjusting bolt is threadedly connected in the second connection hole.

[0009] Preferably, an n-shaped plate is connected to the upper surface of each connecting plate, and the lower surface of the n-shaped plate abuts against the upper surface of the adjusting bolt.

[0010] Preferably, the radian of the deflector body is the same as that of the turning part of the pipe body, and the deflector body and the turning part of the pipe body are concentric circles.

[0011] Preferably, the distance between the end of the deflector body and both sides of the elbow is ≥20 mm. The end of the deflector body should be a straight line at 30 mm, and the end of the deflector body is parallel to the port of the turning part of the pipe body.

[0012] Preferably, a plurality of strengthening holes are provided through the upper surface of the cross plate. Each strengthening hole movably connects the strengthening rod, and the lower ends of the plurality of strengthening rods are threadedly connected to the upper surface of the deflector body to which they belong.

[0013] The technical effects of the present invention:

[0014] 1) The device divides the flow path into two paths through the deflector body, thereby reducing the flow velocity resistance and the impact force of the wind speed on the elbow. Furthermore, the air flow vortex in the elbow is reduced, the noise is reduced, the energy loss is reduced, the air flow can smoothly transition through the elbow, and the impact force of the gas on the elbow is limitedly reduced, the wear is reduced, and the service life of the elbow is improved;

[0015] 2) By setting the deflector body to be shell-detachable, when encountering an elbow with large resistance, the elbow can be additionally installed with a deflector. When the resistance is small, the installation does not have to be carried out. It is convenient to freely install whether to install the deflector body on the elbow. Of course, when choosing not to install the deflector body, the through groove and the strengthening hole need to be blocked to avoid affecting the passage of gas. Description of the drawings

[0016] Figure 1 is the overall view of the present invention;

[0017] Figure 2 is the overall sectional view of the present invention;

[0018] Figure 3 is the overall top exploded view of the present invention;

[0019] Figure 4 is the overall bottom exploded view of the present invention;

[0020] Figure 5 is the overall internal view of the present invention;

[0021] Figure 6 is Figure 4 the enlarged view at position A in

[0022] Figure 7 is Figure 4 the enlarged view at position B in

[0023] Figure 8 is Figure 5 the enlarged view at position C in

[0024] Figure 9 is Figure 5 the enlarged view at position D in

[0025] In the figure: 1, pipe body; 101, mounting block; 102, mounting groove; 2, cover plate; 201, sealing groove; 204, through groove; 205, threaded hole; 206, fixing groove; 3, fixing plate; 301, first connection hole; 302, second connection hole; 303, adjusting bolt; 4, connecting plate; 401, n-shaped plate; 5, mounting plate; 501, round hole; 6, suspension rod; 7, strengthening rod; 8, diversion plate body; 801, mounting seat; 9, screw. Detailed implementation manners

[0026] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the orientation or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0027] Next, the present invention will be further described in conjunction with the accompanying drawings.

[0028] Please refer to Figures 1-9, the rectangular air duct elbow with a flow guiding plate for ships according to the present invention includes a pipe body 1. The shape of the pipe body 1 is S-shaped, the cross-sectional shape of the pipe body 1 is n-shaped, and the pipe body 1 is composed of a horizontal plate and two vertical plates. The shapes of the horizontal plate and the vertical plates are both S-shaped. The two vertical plates are located on both sides of the horizontal plate. The lower surface of the pipe body 1 is movably connected to a cover plate 2. At the center of the upper surface of the cover plate 2, there are two flow guiding plate bodies 8. Each flow guiding plate body 8 is respectively located at the two turning points of the pipe body 1. On the inner upper surface of the pipe body 1, there are two mounting blocks 101. On the surface of each mounting block 101, there is a mounting groove 102. The upper ends of the respective flow guiding plate bodies 8 are movably connected in each mounting groove 102. On both sides of the pipe body 1, there are multiple fixing plates 3. On both sides of the cover plate 2, there are multiple connecting plates 4. Each connecting plate 4 corresponds to a fixing plate 3. Both ends of the pipe body 1 are connected to mounting plates 5. Through holes 501 are provided through the surfaces of each mounting plate 5. The through holes 501 facilitate the passing of fastening bolts to fix the elbow on the ventilation air duct.

[0029] On the upper surface of the cover plate 2, there are two sealing grooves 201 and two through grooves 204. The two through grooves 204 respectively correspond to the respective flow guiding plate bodies 8. The two sealing grooves 201 respectively correspond to the vertical plates on both sides of the pipe body 1. At the lower end of the cover plate 2, there are two fixing grooves 206. The two fixing grooves 206 respectively correspond to the respective through grooves 204. In each fixing groove 206, there are two threaded holes 205. The two threaded holes 205 are respectively located at both ends of the through groove 204. On the lower surface of each flow guiding plate body 8, there is a mounting seat 801. The surfaces of the two flow guiding plate bodies 8 are movably connected in the through grooves 204. On the surface of the mounting seat 801, there are two mounting holes. Each mounting hole corresponds to a threaded hole 205. Screws 9 are movably connected in each mounting hole. The screws 9 are simultaneously threadedly connected to the threaded holes 205. The flow guiding plate bodies 8 and the cover plate 2 are fixed by the screws 9. In order to avoid air leakage, sealant is provided in the two sealing grooves 204.

[0030] Through holes 301 and second through holes 302 are respectively provided through the upper surfaces of each fixing plate 3. The first through hole 301 is located inside the second through hole 302. A suspension rod 6 is threadedly connected in the first through hole 301. An adjusting bolt 303 is threadedly connected in the second through hole 302. On the upper surface of each connecting plate 4, an n-shaped plate 401 is connected. The lower surface of the n-shaped plate 401 abuts against the upper surface of the adjusting bolt 303. Through the interaction of multiple n-shaped plates 401 and adjusting bolts 303, at this time, the cover plate 2 and the pipe body 1 are connected. At the same time, through holes are provided through the upper surface of the horizontal plate. Strengthening rods 7 are movably connected in each through hole. The lower ends of the multiple strengthening rods 7 are threadedly connected to the upper surfaces of the respective flow guiding plate bodies 8. The connection between the pipe body 1 and the flow guiding plate bodies 8 is completed through the strengthening rods 7, making the flow guiding plate bodies 8 more stable inside the pipe body 1.

[0031] When choosing not to install the deflector body 8, it is necessary to block the through groove 204 and the strengthening holes to avoid affecting the passage of cold air;

[0032] The radian of the deflector body 8 is the same as that of the turning part of the pipe body 1, and the deflector body 8 and the turning part of the pipe body 1 are concentric circles. The distance between the ends of the deflector body 8 and both sides of the elbow is ≥20 mm, and the part 30 mm from the end of the deflector body 8 should be a straight line, and the end of the deflector body 8 is parallel to the port of the turning part of the pipe body 1 to facilitate the passage of gas.

[0033] Of course, to reduce the noise generated when the gas passes through the elbow, a sound insulation cotton is provided on the outer side of the elbow. When the cold air passes through, to avoid the loss of cold air, a heat insulation layer is provided on the outer side of the elbow.

[0034] Working principle:

[0035] First, one end of the suspension rod 6 is threadedly connected to the first connection hole 301, and the other end of the suspension rod 6 is connected to the wall top to complete the connection between the pipe body 1 and the installation wall. Then, the connecting bolts are inserted into the multiple circular holes 501 of the mounting plates 5 at both ends of the elbow pipe to complete the connection between the pipe body 1 and the ventilation duct;

[0036] Align the sealing groove 201 with the two vertical plates, select and install the adjusting bolt 303. The adjusting bolt 303 moves upward in the second connection hole 302. The adjusting bolt 303 drives the n-shaped plate 401 to move upward. The n-shaped plate 401 drives the connecting plate 4 to move upward. The connecting plate 4 drives the cover plate 2 to move upward to complete the connection between the cover plate 2 and the pipe body 1;

[0037] Finally, insert the deflector body 8 into the through groove 204 until the upper end of the deflector 8 contacts the inner upper surface of the pipe body 1. At this time, the upper surface of the mounting seat 801 contacts the surface of the fixing groove 206. Then, rotate the screw 9 to complete the fixation of the deflector body 8 and the cover plate 2. To prevent the deflector body 8 from shaking, insert the strengthening rod 7 into the strengthening hole to further fix the deflector body 8 and the pipe body 1. When choosing not to install the deflector body 8, it is necessary to block the through groove 204 and the strengthening holes to avoid affecting the passage of cold air.

[0038] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. Rectangular air duct elbow for marine use with flow guiding plates, Characterized in that, It includes a pipe body (1), the shape of the pipe body (1) is S-shaped, the cross-sectional shape of the pipe body (1) is n-shaped, the pipe body (1) is composed of a horizontal plate and two vertical plates, the shapes of the horizontal plate and the vertical plates are both S-shaped, the two vertical plates are located on both sides of the horizontal plate, the lower surface of the pipe body (1) is movably connected to the cover plate (2), two flow guiding plate bodies (8) are provided at the center of the upper surface of the cover plate (2), each flow guiding plate body (8) is respectively located at two turning points of the pipe body (1), two mounting blocks (101) are provided on the inner upper surface of the pipe body (1), an installation groove (102) is provided on the surface of each mounting block (101), and the upper end of each flow guiding plate body (8) belonging to each is movably connected in each installation groove (102), a plurality of fixing plates (3) are provided on both sides of the pipe body (1), a plurality of connecting plates (4) are provided on both sides of the cover plate (2), each connecting plate (4) corresponds to one of the fixing plates (3), both ends of the pipe body (1) are connected to mounting plates (5), and a plurality of round holes (501) are penetrated through the surface of each mounting plate (5); A first connection hole (301) and a second connection hole (302) are penetrated through the upper surface of each fixing plate (3), the first connection hole (301) is located inside the second connection hole (302), a suspension rod (6) is threadedly connected in the first connection hole (301), and an adjusting bolt (303) is threadedly connected in the second connection hole (302); An n-shaped plate (401) is connected to the upper surface of each connecting plate (4), and the lower surface of the n-shaped plate (401) abuts against the upper surface of the adjusting bolt (303).

2. The rectangular air duct elbow for marine use with flow guiding plates according to claim 1, Characterized in that: Two sealing grooves (201) and two through grooves (204) are provided on the upper surface of the cover plate (2), the two through grooves (204) respectively correspond to the flow guiding plate bodies (8) belonging to each, the two sealing grooves (201) respectively correspond to the vertical plates on both sides of the pipe body (1), two fixing grooves (206) are provided at the lower end of the cover plate (2), the two fixing grooves (206) respectively correspond to the through grooves (204) belonging to each, two threaded holes (205) are provided in each fixing groove (206), and the two threaded holes (205) are respectively located at both ends of the through groove (204).

3. The rectangular air duct elbow for marine use with flow guiding plates according to claim 2, Characterized in that: A mounting seat (801) is connected to the lower surface of each flow guiding plate body (8), two mounting holes are provided on the surface of the mounting seat (801), each mounting hole corresponds to the threaded hole (205), and a screw (9) is movably connected in each mounting hole, and the screw (9) is simultaneously threadedly connected to the threaded hole (205).

4. The rectangular air duct elbow for marine use with flow guiding plates according to claim 1, Characterized in that: The radian of the deflector body (8) is the same as that of the turning part of the pipe body (1), and the deflector body (8) and the turning part of the pipe body (1) are concentric circles.

5. The marine rectangular air duct elbow with a deflector plate according to claim 4, characterized in that: The distance between the end of the deflector body (8) and both sides of the elbow is ≥ 20 mm, and the end of the deflector body (8) at 30 mm should be a straight line, and the end of the deflector body (8) is parallel to the port of the turning part of the pipe body (1).

6. The marine rectangular air duct elbow with a deflector plate according to claim 1, characterized in that: A plurality of reinforcing holes are provided through the upper surface of the transverse plate, and the reinforcing rods (7) are movably connected in each reinforcing hole. The lower ends of the plurality of reinforcing rods (7) are threadedly connected to the upper surface of the deflector body (8) to which they belong.

Images