Novel mould pressing glass fiber reinforced plastic air valve

Abstract

The utility model relates to the technical field of air valves, and discloses a novel mould pressing glass fiber reinforced plastic air valve which solves the problems that an existing air valve is poor in corrosion resistance and sealing performance and comprises a glass fiber reinforced plastic valve body, and a combined glass fiber reinforced plastic valve fan is rotatably arranged in the glass fiber reinforced plastic valve body. A manual adjusting mechanism is fixedly arranged on the side edge of the glass fiber reinforced plastic valve body, a sealing check ring matched with the combined glass fiber reinforced plastic valve fan is fixedly arranged on the inner surface of the glass fiber reinforced plastic valve body, and a sealing ring is arranged on the side, close to the combined glass fiber reinforced plastic valve fan, of the sealing check ring. The combined glass fiber reinforced plastic valve fan is composed of a center supporting beam, a first fan blade, a first rotating shaft, a second fan blade and a second rotating shaft, the center supporting beam is fixedly connected to the interior of the glass fiber reinforced plastic valve body, the first fan blade is rotationally connected with the center supporting beam through the first rotating shaft, and the second fan blade is rotationally connected with the center supporting beam through the second rotating shaft; by means of the glass fiber reinforced plastic air valve, the overall weight can be reduced, and corrosion resistance and sealing performance are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air valves, in particular to a novel molded glass fiber reinforced plastic air valve. Background Art

[0002] Air valves are indispensable central air-conditioning terminal accessories in ventilation, air conditioning and air purification projects of industrial plants and civil buildings. They are generally used in air-conditioning and ventilation system pipes to adjust the air volume of branch pipes, and can also be used for mixing and adjusting fresh air and return air.

[0003] At present, most of the air valves on the market are metal casting structures, which are not only heavy, but also have poor corrosion resistance and short service life. In addition, most of the existing air valves use a rotating shaft to drive the valve leaf to rotate in an integrated manner, so that the valve leaf forms an inclined structure. Therefore, it is necessary to install two arc-shaped limit strips with offset structures on the inner surface of the valve body to achieve the limit and sealing of the valve leaf. However, the limit strips with offset structures are difficult to ensure the sealing connection with the valve leaf, and air leakage is prone to occur, resulting in poor use effect. Therefore, the present application proposes a new type of molded glass fiber reinforced plastic air valve Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a novel molded glass fiber reinforced plastic air valve, which effectively solves the problems of poor corrosion resistance and poor sealing performance of the existing air valve.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of molded FRP air valve, comprising a FRP valve body, both ends of the FRP valve body are fixedly provided with FRP flange rings, a combined FRP valve fan is rotatably provided inside the FRP valve body, a manual adjustment mechanism is fixedly provided on the side of the FRP valve body, a sealing retaining ring matching the combined FRP valve fan is fixedly provided on the inner surface of the FRP valve body, a sealing ring is provided on the side of the sealing retaining ring close to the combined FRP valve fan, the combined FRP valve fan is composed of a central support beam, a first fan blade, a first rotating shaft, a second fan blade and a second rotating shaft, the central support beam is fixedly connected to the inside of the FRP valve body, the first fan blade is rotatably connected to the central support beam via the first rotating shaft, and the second fan blade is rotatably connected to the central support beam via the second rotating shaft.

[0006] Preferably, the inner ring of the sealing retaining ring is an inclined structure, an annular groove is provided at one end of the sealing retaining ring, and a limiting convex ring matching the annular groove is fixedly provided at one end of the sealing ring.

[0007] Preferably, a strip-shaped mounting groove 1 matching the first fan blade and the first rotating shaft is opened at the top end of one side of the central support beam, and a strip-shaped mounting groove 2 matching the second fan blade and the second rotating shaft is opened at the bottom end of one side of the central support beam.

[0008] Preferably, the side edges inside the strip-shaped mounting groove 1 and the strip-shaped mounting groove 2 are fixedly provided with strip-shaped sealing gaskets matching the first fan blade and the second fan blade, and one side of the first fan blade and the second fan blade is fixedly provided with a plurality of reinforcing ribs.

[0009] Preferably, the manual adjustment mechanism consists of a box body, a first worm gear, a second worm gear, an adjusting rod and an adjusting handwheel. The box body is fixedly connected to the side of the fiberglass valve body, the first worm gear and the second worm gear are fixedly connected to one end of the first rotating shaft and the second rotating shaft respectively, the adjusting rod is rotatably connected to the interior of the box body and extends to the top of the box body, and the adjusting handwheel is fixedly connected to the top of the adjusting rod.

[0010] Preferably, the adjusting rod is provided with a first worm segment matching the first worm gear and a second worm segment matching the second worm gear, and the spiral directions of the first worm segment and the second worm segment are opposite.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) During operation, by making the FRP valve body, FRP flange ring and combined FRP valve fan all made of FRP, the overall weight of the air valve can be reduced while ensuring the strength of the air valve. In addition, the corrosion resistance of the air valve can be effectively improved, thereby increasing the service life of the air valve;

[0013] (2) By providing a sealing retainer ring and a sealing ring with an integrated structure, the sealing performance when connected to the combined FRP valve fan can be improved. By providing a strip sealing gasket, the sealing performance of the connection between the first fan blade and the second fan blade and the central support beam can be improved. By providing a combined FRP valve fan composed of a central support beam, a first fan blade, a first rotating shaft, a second fan blade and a second rotating shaft, a symmetrical opening and closing can be formed to ensure the stability of the wind flow. By providing a manual adjustment mechanism composed of a box body, a first worm gear, a second worm gear, an adjustment rod and an adjustment hand wheel, the combined FRP valve fan can be manually opened and closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0015] In the attached picture:

[0016] Figure 1 This is a schematic diagram of the structure of the molded glass fiber reinforced plastic air valve of the utility model;

[0017] Figure 2 This is one of the schematic diagrams of the internal structure of the molded glass fiber reinforced plastic air valve of the utility model;

[0018] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A;

[0019] Figure 4 For this utility model Figure 2 A partial enlarged view of point B in the middle;

[0020] Figure 5 This is the second schematic diagram of the internal structure of the molded glass fiber reinforced plastic air valve of the utility model;

[0021] Figure 6 This is the third schematic diagram of the internal structure of the molded glass fiber reinforced plastic air valve of the utility model;

[0022] Figure 7 This is a schematic diagram of the structure of the manual adjustment mechanism of the utility model;

[0023] In the figure: 1. FRP valve body; 2. FRP flange ring; 3. Combined FRP valve fan; 4. Manual adjustment mechanism; 5. Sealing ring; 6. Sealing ring; 7. Center support beam; 8. First fan blade; 9. First rotating shaft; 10. Second fan blade; 11. Second rotating shaft; 12. Annular groove; 13. Limiting convex ring; 14. Strip mounting groove 1; 15. Strip mounting groove 2; 16. Strip sealing gasket; 17. Reinforcement rib; 18. Box body; 19. First worm gear; 20. Second worm gear; 21. Adjusting rod; 22. Adjusting hand wheel; 23. First worm segment; 24. Second worm segment. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] Depend on Figures 1 to 6The utility model provides a new type of molded FRP air valve, comprising a FRP valve body 1, both ends of the FRP valve body 1 are fixedly provided with FRP flange rings 2, a combined FRP valve fan 3 is rotatably provided inside the FRP valve body 1, a manual adjustment mechanism 4 is fixedly provided on the side of the FRP valve body 1, a sealing retaining ring 5 matching the combined FRP valve fan 3 is fixedly provided on the inner surface of the FRP valve body 1, a sealing retaining ring 6 is provided on the side of the sealing retaining ring 5 close to the combined FRP valve fan 3, the combined FRP valve fan 3 is composed of a central support beam 7, a first fan blade 8, a first rotating shaft 9, a second fan blade 10 and a second rotating shaft 11, the central support beam 7 is fixedly connected to the inside of the FRP valve body 1, the first fan blade 8 is rotatably connected to the central support beam 7 through the first rotating shaft 9, and the second fan blade 10 is rotatably connected to the central support beam 7 through the second rotating shaft 11;

[0026] By providing the FRP valve body 1, the FRP flange ring 2 and the combined FRP valve fan 3, the weight of the air valve can be reduced and the corrosion resistance of the air valve can be improved. When the combined FRP valve fan 3 is opened and closed, the first rotating shaft 9 and the second rotating shaft 11 are driven to rotate by the manual adjustment mechanism 4, and the first rotating shaft 9 and the second rotating shaft 11 are driven to rotate the first fan blade 8 and the second fan blade 10 respectively, and the rotation directions are opposite, so that the same side tilt can be achieved. The sealing ring 5 and the sealing ring 6 can form a seal with the first fan blade 8 and the second fan blade 10, and the overall sealing performance can be improved in the closed state;

[0027] Depend on Figures 3 to 5 It is shown that the inner ring of the sealing retaining ring 5 is an inclined structure, an annular groove 12 is provided at one end of the sealing retaining ring 5, a limiting convex ring 13 matching the annular groove 12 is fixedly provided at one end of the sealing ring 6, a strip mounting groove 14 matching the first fan blade 8 and the first rotating shaft 9 is provided at the top end of one side of the central support beam 7, a strip mounting groove 2 15 matching the second fan blade 10 and the second rotating shaft 11 is provided at the bottom end of one side of the central support beam 7, strip mounting groove 14 14 and strip mounting groove 2 15 are fixedly provided with strip sealing gaskets 16 matching the first fan blade 8 and the second fan blade 10 on the side edges inside, and a plurality of reinforcing ribs 17 are fixedly provided on one side of the first fan blade 8 and the second fan blade 10;

[0028] By setting the inner ring of the sealing retainer ring 5 to be an inclined structure, the wind can be guided to avoid obstruction. By setting the annular groove 12 and the limiting convex ring 13, the sealing ring 6 can be installed and removed. By setting the strip installation groove 14 and the strip installation groove 2 15, the first fan blade 8, the first rotating shaft 9, the second fan blade 10 and the second rotating shaft 11 can be installed. The strip sealing gasket 16 can improve the sealing of the connection between the first fan blade 8 and the second fan blade 10 and the central support beam 7. The reinforcement rib 17 can improve the overall strength of the first fan blade 8 and the second fan blade 10.

[0029] Depend on Figure 1 , Figure 3 and Figure 7 The manual adjustment mechanism 4 is composed of a box body 18, a first worm gear 19, a second worm gear 20, an adjustment rod 21 and an adjustment hand wheel 22. The box body 18 is fixedly connected to the side of the FRP valve body 1. The first worm gear 19 and the second worm gear 20 are respectively fixedly connected to one end of the first rotating shaft 9 and the second rotating shaft 11. The adjustment rod 21 is rotatably connected to the inside of the box body 18 and extends to the top of the box body 18. The adjustment hand wheel 22 is fixedly connected to the top of the adjustment rod 21. The adjustment rod 21 is provided with a first worm segment 23 matching the first worm gear 19 and a second worm segment 24 matching the second worm gear 20. The spiral directions of the first worm segment 23 and the second worm segment 24 are opposite.

[0030] When the manual adjustment mechanism 4 is in use, the adjusting hand wheel 22 is manually turned, and the adjusting rod 21 is driven to rotate by the adjusting hand wheel 22. The first worm segment 23 and the second worm segment 24 respectively drive the first worm gear 19 and the second worm gear 20 to rotate. Since the spiral directions of the first worm segment 23 and the second worm segment 24 are opposite, the first worm gear 19 and the second worm gear 20 can be driven to rotate in opposite directions, thereby driving the first rotating shaft 9 and the second rotating shaft 11 to rotate.

[0031] During operation, by arranging the FRP valve body, FRP flange ring and combined FRP valve fan to be made of FRP material, the overall weight of the air valve can be reduced while ensuring the strength of the air valve. In addition, the corrosion resistance of the air valve can be effectively improved, thereby increasing the service life of the air valve. By arranging a sealing retaining ring and a sealing ring with an integrated structure, the sealing performance when connected to the combined FRP valve fan can be improved. By arranging a strip sealing gasket, the sealing performance of the connection between the first blade and the second blade and the central support beam can be improved. By arranging a combined FRP valve fan composed of the central support beam, the first blade, the first rotating shaft, the second blade and the second rotating shaft, a symmetrical opening and closing can be formed to ensure the stability of the wind flow. By arranging a manual adjustment mechanism composed of a box body, a first worm gear, a second worm gear, an adjusting rod and an adjusting hand wheel, the combined FRP valve fan can be manually opened and closed.

Claims

1. A novel molded glass fiber reinforced plastic air valve, comprising a glass fiber reinforced plastic valve body (1), characterized in that: Both ends of the FRP valve body (1) are fixedly provided with FRP flange rings (2); a combined FRP valve leaf (3) is rotatably provided inside the FRP valve body (1); a manual adjustment mechanism (4) is fixedly provided on the side of the FRP valve body (1); a sealing retaining ring (5) matching the combined FRP valve leaf (3) is fixedly provided on the inner surface of the FRP valve body (1); a sealing ring (6) is provided on the side of the sealing retaining ring (5) close to the combined FRP valve leaf (3); the combined FRP valve leaf (3) is composed of a central support beam (7), a first fan blade (8), a first rotating shaft (9), a second fan blade (10) and a second rotating shaft (11); the central support beam (7) is fixedly connected to the inside of the FRP valve body (1); the first fan blade (8) is rotatably connected to the central support beam (7) via the first rotating shaft (9); and the second fan blade (10) is rotatably connected to the central support beam (7) via the second rotating shaft (11).

2. A new type of molded glass fiber reinforced plastic air valve according to claim 1, characterized in that: The inner ring of the sealing retaining ring (5) is of an inclined structure, one end of the sealing retaining ring (5) is provided with an annular groove (12), and one end of the sealing ring (6) is fixedly provided with a limiting convex ring (13) matching the annular groove (12).

3. A new type of molded glass fiber reinforced plastic air valve according to claim 1, characterized in that: A strip-shaped mounting groove (14) matching the first fan blade (8) and the first rotating shaft (9) is provided at the top end of one side of the central support beam (7), and a strip-shaped mounting groove (15) matching the second fan blade (10) and the second rotating shaft (11) is provided at the bottom end of one side of the central support beam (7).

4. A new type of molded glass fiber reinforced plastic air valve according to claim 3, characterized in that: The side edges of the strip-shaped mounting groove 1 (14) and the strip-shaped mounting groove 2 (15) are fixedly provided with strip-shaped sealing pads (16) matching the first fan blade (8) and the second fan blade (10), and one side of the first fan blade (8) and the second fan blade (10) is fixedly provided with a plurality of reinforcing ribs (17).

5. The novel molded glass fiber reinforced plastic air valve according to claim 1 is characterized in that: The manual adjustment mechanism (4) is composed of a box body (18), a first worm gear (19), a second worm gear (20), an adjustment rod (21) and an adjustment hand wheel (22); the box body (18) is fixedly connected to the side of the glass fiber reinforced plastic valve body (1); the first worm gear (19) and the second worm gear (20) are fixedly connected to one end of the first rotating shaft (9) and the second rotating shaft (11) respectively; the adjustment rod (21) is rotatably connected to the inside of the box body (18) and extends to the top of the box body (18); and the adjustment hand wheel (22) is fixedly connected to the top of the adjustment rod (21).

6. A new type of molded glass fiber reinforced plastic air valve according to claim 5, characterized in that: The adjusting rod (21) is provided with a first worm segment (23) matching the first worm wheel (19) and a second worm segment (24) matching the second worm wheel (20); the spiral directions of the first worm segment (23) and the second worm segment (24) are opposite.

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