A new type of vane shaft ventilation valve

Abstract

The utility model discloses a novel blade shaft ventilation valve, including a support frame and a protective mechanism, wherein the protective mechanism is arranged on one side of the support frame, and the protective mechanism includes a connecting frame arranged on one side of the support frame, a filter layer is provided through the top of the connecting frame, a mounting block is provided on the top of the filter layer, a protective plate is provided on the side of the connecting frame away from the support frame, and air holes are evenly opened inside the protective plate, and the air holes are obliquely arranged inside the protective plate. Beneficial effects of the utility model: The utility model is provided with a support frame, a protective mechanism, a connecting frame, a protective plate, air holes, a filter layer, a mounting block, a plug rod, a limit spring and a movable rod, and utilizes the cooperation of the protective plate and the filter layer to process external rainwater and dust and impurities in the air, and try to avoid rainwater and dust from eroding the device, thereby effectively extending the service life of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation valves, in particular to a novel blade shaft ventilation valve. Background Art

[0002] Ventilation valves are indispensable 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] With respect to the above-mentioned related technologies, the applicant believes that when the existing device is working, the rotating rod can be driven to rotate by rotating the transmission shaft, thereby driving the valve blade to rotate and adjusting the opening and closing of the valve. However, when the device is working in a harsh working environment, rain, dust and impurities often adhere to the valve blades, which will cause the valve blades to rust over a long period of time, thereby affecting the sealing of the valve.

[0004] Therefore, it is necessary to propose a new blade shaft ventilation valve in view of the above technical solution. Utility Model Content

[0005] The purpose of the utility model is to provide a new blade shaft ventilation valve to solve the problem proposed in the above background technology that when the device works in a harsh working environment, rainwater, dust and impurities often adhere to the valve blades, which may cause the valve blades to rust over a long period of time, thereby affecting the sealing of the valve.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new blade shaft ventilation valve, comprising a support frame and a protective mechanism, wherein the protective mechanism is arranged on one side of the support frame, the protective mechanism comprises a connecting frame arranged on one side of the support frame, a filter layer is penetrated through the top of the connecting frame, a mounting block is arranged on the top of the filter layer, a protective plate is arranged on the side of the connecting frame away from the support frame, air holes are evenly opened inside the protective plate, and the air holes are obliquely arranged inside the protective plate.

[0007] By adopting the above technical solution and utilizing the cooperation of the protective plate and the filter layer, it is possible to process external rainwater and dust and impurities in the air, thereby minimizing the erosion of the device by rainwater and dust and effectively extending the service life of the device.

[0008] Preferably, a transmission shaft is provided through the middle part of the support frame, the outside of the transmission shaft is connected to a valve blade by screws, the end of the valve blade away from the protective mechanism is rotatably connected to a connecting rod by a movable block, and rotating rods are provided above and below the inside of the support frame, the valve blade is also connected to the outside of the rotating rod by screws, and the valve blade is rotatably connected to the top and bottom of the connecting rod through the movable block.

[0009] By adopting the above technical solution, the rotating rod can be easily driven to rotate.

[0010] Preferably, the rotating rod and the transmission shaft are both configured as rounded square shafts, and the valve blade is connected to the rotating rod and the transmission shaft via a V-shaped blade clamp.

[0011] By adopting the above technical solution, the valve blade can be easily fixed.

[0012] Preferably, a transmission crank is provided at one end of the transmission shaft, a square shaft crank is provided at the end of the transmission shaft away from the transmission crank, a tension spring is connected to the square shaft crank, a fixing block is provided at the bottom end of the tension spring, and the fixing block is connected to the support frame.

[0013] By adopting the above technical solution and installing the tension spring on the square shaft crank and the fixing block, the valve blade can be tightly closed.

[0014] Preferably, the protection mechanism also includes a mounting seat arranged at the top of the connecting frame, a movable rod is arranged inside the mounting seat, a limit spring is sleeved outside the movable rod, and an insertion rod is arranged at one end of the movable rod close to the mounting block.

[0015] By adopting the above technical solution, the plug rod can be driven to move by pulling the movable rod, and the plug rod can be removed from the inside of the mounting block, so that the filter layer can be easily removed from the inside of the connecting frame.

[0016] Preferably, a handle is provided at the top of the mounting block, and an anti-slip cover is provided outside the handle.

[0017] By adopting the above technical solution, it is convenient for workers to move the installation block.

[0018] Preferably, a limiting hole is provided inside the mounting block, and the limiting hole matches the insertion rod.

[0019] By adopting the above technical solution, the elasticity of the limit spring can be used to push the insertion rod into the interior of the installation block, and the filter layer can be installed inside the connection frame.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] By providing a support frame, a protective mechanism, a connecting frame, a protective plate, air vents, a filter layer, a mounting block, a plug rod, a limit spring and a movable rod, and utilizing the cooperation of the protective plate and the filter layer, external rainwater and dust and impurities in the air can be processed, thereby minimizing erosion of the device by rainwater and dust, and effectively extending the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall front view structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the overall side view structure of the utility model;

[0024] Figure 3 This is a structural schematic diagram of the utility model when the valve blade at AA is in a closed state;

[0025] Figure 4 This is a structural schematic diagram of the utility model when the valve blade at AA is in an open state;

[0026] Figure 5 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0027] Figure 6 This is a structural diagram of the transmission shaft of the utility model.

[0028] The reference numerals in the figure are: 1. support frame; 2. rotating rod; 3. transmission shaft; 4. tension spring; 5. valve blade; 6. transmission crank; 7. square shaft crank; 8. fixing block; 9. protection mechanism; 901. connecting frame; 902. protection plate; 903. air vent; 904. filter layer; 905. mounting block; 906. plug rod; 907. limit spring; 908. movable rod; 909. mounting seat; 10. connecting rod. DETAILED DESCRIPTION

[0029] 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 in 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.

[0030] like Figures 1 to 5The present embodiment provides a technical solution: a novel blade shaft ventilation valve, comprising a support frame 1 and a protection mechanism 9, wherein the protection mechanism 9 is arranged on one side of the support frame 1, and the protection mechanism 9 comprises a connection frame 901 arranged on one side of the support frame 1, wherein the connection frame 901 can provide bearing capacity; a filter layer 904 is provided at the top of the connection frame 901, and the air passing through the air vent 903 can be filtered by the operation of the filter layer 904, so that dust and impurities in the air can be processed; a mounting block 905 is provided at the top of the filter layer 904 A handle is provided at the top of the mounting block 905, and a non-slip cover is provided on the outside of the handle, which can facilitate the staff to move the mounting block 905; a protective plate 902 is provided on the side of the connecting frame 901 away from the supporting frame 1. The protective plate 902 can be used to block external rainwater, and air holes 903 are evenly opened inside the protective plate 902 to facilitate air to enter the interior of the supporting frame 1. The air holes 903 are obliquely arranged inside the protective plate 902 to avoid rainwater from flowing into the interior of the connecting frame 901 through the air holes 903.

[0031] A transmission shaft 3 is provided through the middle part of the support frame 1, and a valve blade 5 is connected to the outside of the transmission shaft 3 by screws. The end of the valve blade 5 away from the protective mechanism 9 is rotatably connected to the connecting rod 10 through a movable block. A rotating rod 2 is provided above and below the support frame 1, and the valve blade 5 is also connected to the outside of the rotating rod 2 by screws. The rotating rod 2 and the transmission shaft 3 are both configured as rounded square shafts. The valve blade 5 is connected to the rotating rod 2 and the transmission shaft 3 through a V-shaped blade clamp; the valve blade 5 is connected to the upper and lower parts of the connecting rod 10 through a movable block. Rotational connection below; a transmission crank 6 is provided at one end of the transmission shaft 3, and the transmission crank 6 can drive the transmission shaft 3 to rotate, and then the rotation rod 2 can be driven to rotate through the transmission of the connecting rod 10, so as to facilitate the closing of the valve blade 5; a square shaft crank 7 is provided at the end of the transmission shaft 3 away from the transmission crank 6, and a tension spring 4 is connected to the square shaft crank 7, and a fixing block 8 is provided at the bottom end of the tension spring 4, and the fixing block 8 is connected to the support frame 1, and the valve blade 5 can be tightly closed by installing the tension spring 4 on the square shaft crank 7 and the fixing block 8.

[0032] The protective mechanism 9 also includes a mounting seat 909 arranged at the top of the connecting frame 901, and the mounting seat 909 can provide bearing capacity; a movable rod 908 is arranged inside the mounting seat 909, and a limit spring 907 is sleeved on the outside of the movable rod 908. An insertion rod 906 is arranged at one end of the movable rod 908 close to the mounting block 905, and the insertion rod 906 can be driven to move by pulling the movable rod 908, and the insertion rod 906 can be moved out from the inside of the mounting block 905, so that the filter layer 904 can be conveniently removed from the inside of the connecting frame 901, thereby facilitating the cleaning and replacement of dust and impurities on the filter layer 904; a limit hole is provided inside the mounting block 905, and the limit hole is consistent with the insertion rod 906. The elasticity of the limit spring 907 can be used to push the insertion rod 906 to be inserted into the inside of the mounting block 905, so that the filter layer 904 can be installed inside the connecting frame 901. Working principle: When the device is working, the valve blade 5 and the blade clamp are installed on the outside of the transmission shaft 3 and the rotating rod 2 by screws, and the transmission crank 6 can drive the transmission shaft 3 to rotate, and then the connecting rod 10 can drive the rotating rod 2 to rotate, so as to facilitate the sealing of the valve blade 5. Then, the tension spring 4 is installed on the square shaft crank 7 and the fixed block 8, so that the valve blade 5 can be tightly closed;

[0033] The filter layer 904 is inserted into the interior of the connecting frame 901, and the elasticity of the limit spring 907 can be used to push the insertion rod 906 to be inserted into the interior of the mounting block 905, so that the filter layer 904 can be installed in the interior of the connecting frame 901, and the protection plate 902 can be used to block the external rainwater, and the filter layer 904 can be used to filter the air passing through the air vent 903, so that the dust and impurities in the air can be processed, and the rainwater, dust and impurities can be avoided as much as possible to erode the valve blade 5, effectively extending the service life of the device; the insertion rod 906 can be driven to move by pulling the movable rod 908, and the insertion rod 906 can be removed from the interior of the mounting block 905, so that the filter layer 904 can be easily removed from the interior of the connecting frame 901, so that the dust and impurities on the filter layer 904 can be cleaned and replaced conveniently.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of vane shaft ventilation valve, characterized in that: include: A support frame (1); a protective mechanism (9), the protective mechanism (9) being arranged on one side of the support frame (1), the protective mechanism (9) comprising a connection frame (901) arranged on one side of the support frame (1), a filter layer (904) being arranged through the top of the connection frame (901), a mounting block (905) being arranged at the top of the filter layer (904), a protective plate (902) being arranged on a side of the connection frame (901) away from the support frame (1), air holes (903) being evenly arranged on the inside of the protective plate (902), and the air holes (903) being arranged obliquely on the inside of the protective plate (902).

2. A novel vane shaft ventilation valve as claimed in claim 1, characterized in that: A transmission shaft (3) is provided through the middle part of the support frame (1), and a valve blade (5) is connected to the outside of the transmission shaft (3) by screws. The end of the valve blade (5) away from the protection mechanism (9) is rotatably connected to a connecting rod (10) by a movable block. A rotating rod (2) is provided above and below the support frame (1), and the valve blade (5) is also connected to the outside of the rotating rod (2) by screws. The valve blade (5) is rotatably connected to the top and bottom of the connecting rod (10) by the movable block.

3. A novel vane shaft ventilation valve as claimed in claim 2, characterized in that: The rotating rod (2) and the transmission shaft (3) are both configured as rounded square shafts, and the valve blade (5) is connected to the rotating rod (2) and the transmission shaft (3) via a V-shaped blade clamp.

4. A novel vane shaft ventilation valve as claimed in claim 2, characterized in that: A transmission crank (6) is arranged at one end of the transmission shaft (3), a square shaft crank (7) is arranged at the end of the transmission shaft (3) away from the transmission crank (6), a tension spring (4) is connected to the square shaft crank (7), a fixing block (8) is arranged at the bottom end of the tension spring (4), and the fixing block (8) is connected to the support frame (1).

5. A novel vane shaft ventilation valve as claimed in claim 1, characterized in that: The protection mechanism (9) further comprises a mounting seat (909) arranged at the top end of the connection frame (901), a movable rod (908) is arranged inside the mounting seat (909), a limit spring (907) is sleeved outside the movable rod (908), and an insertion rod (906) is arranged at one end of the movable rod (908) close to the mounting block (905).

6. A novel vane shaft ventilation valve as claimed in claim 5, characterized in that: A handle is provided at the top of the mounting block (905), and an anti-slip sleeve is provided outside the handle.

7. A novel vane shaft ventilation valve as claimed in claim 5, characterized in that: A limiting hole is provided inside the mounting block (905), and the limiting hole matches the insertion rod (906).

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