Air valve inserting plate sealing structure

Abstract

The utility model discloses an air valve inserting plate sealing structure which comprises an air channel, a mounting frame is inserted into the end of the air channel, a plurality of mounting grooves are formed in the left side and the right side of the mounting frame, a valve plate is inserted into the mounting grooves, a guide frame is arranged in gaps of the mounting grooves, the end of the air channel is connected with a cover plate through bolts on the outer side, and the valve plate is in an L shape. The rear ends of the valve plates are directly and rotationally connected through the linkage rod, the rear ends of the uppermost valve plate and the lowermost valve plate are rotationally connected with the power rods, the power rods on the upper portion drive the valve plates to rotate, the angles of the valve plates are adjusted through the linkage rod, an air channel is opened, meanwhile, the power rods at the bottom pull and stretch the stable springs, and the stable springs are driven to rotate through the linkage rod. And supporting. When the assembly needs to be replaced, all the valve plates are independently arranged, the whole valve plates are detachable, and maintenance and replacement are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of air valve structures, in particular to an air valve plug-in plate sealing structure. Background Art

[0002] The combined air valve side sealing plate structure is a sealing structure used to reduce the air leakage caused by the gap between the side of the air valve blade and the column. With the current industry's increasing requirements for energy saving, the airtightness of the air valve also plays an important role. Blade rotation is the basic function of the air valve, and the gap between the blade and the side of the column is unavoidable.

[0003] A Chinese patent discloses a combined air valve side sealing plug structure (authorization announcement number CN 212155833U). This patent technology allows the plug to simply slide into the vertical slots on both sides of the column, which is easy to install; at the same time, the side gap of the blade is effectively sealed. However, when the sealing plug is inspected after the valve plate has been used for a period of time, it can only be replaced as a whole. After the plug is closed, the sealing of the gap needs to be improved. Therefore, the utility model provides a wind valve plug sealing structure to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a sealing structure for a damper plug plate to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A wind valve plug plate sealing structure comprises an air duct, a mounting frame is inserted into the end of the air duct, a plurality of mounting grooves are arranged on the left and right sides of the mounting frame, valve plates are inserted in the mounting grooves, a guide frame is arranged in the gap of the mounting grooves, the end of the air duct is connected to the cover plate by bolts on the outside, the valve plate is L-shaped, the rear end of the valve plate is directly rotatably connected by a linkage rod, the rear ends of the uppermost valve plate and the lowermost valve plate are both rotatably connected to a power rod, the end of the power rod away from the valve plate is rotatably connected to a slider, the slider is slidably connected in the transverse groove of the mounting frame, the upper slider is rotatably connected to a screw rod through a thread, the front side of the screw rod is connected to a power box through a transmission assembly, and a sealing groove is arranged at the rear end of the guide frame.

[0007] Preferably, arc blocks are fixed on both the left and right sides of the guide frame, and the arc blocks are pressed on the rotating shaft of the valve plate for positioning.

[0008] Preferably, the transmission assembly includes a transverse rod and a vertical rod, the left and right ends of the transverse rod are connected to the screw rod through a bevel gear set, the middle part of the transverse rod is connected to the vertical rod through a worm gear, and the upper end of the vertical rod is connected to the output shaft of the motor in the power box through a mutually perpendicular bevel gear set.

[0009] Preferably, the rear end of the lower slider is connected to a stabilizing spring, and the rear end of the stabilizing spring is fixed to the end of the connecting groove.

[0010] Preferably, an arc-shaped gasket is provided in the sealing groove, and sealing is performed by pressure, and the valve plate is stuck in the sealing groove.

[0011] Preferably, an elastic convex strip is provided on the upper side of the sealing groove, and the convex strip extends into the corner of the valve plate to extend the contact surface and further improve the sealing performance.

[0012] Preferably, the left and right sides of the mounting frame are provided with slots corresponding to the valve plate to support the sealed valve plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model drives the valve plate to rotate through the power rod at the top, and the valve plate adjusts the angle of the valve plate through the linkage rod to open the air duct. At the same time, the power rod at the bottom pulls the stabilizing spring and stretches the stabilizing spring for support. When the components need to be replaced, each valve plate is independently set and the whole can be disassembled, which is convenient for maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The present invention is a structural schematic diagram of a wind valve plug plate sealing structure.

[0016] Figure 2 The figure is a schematic diagram of the disassembled structure of a wind valve plug plate sealing structure.

[0017] Figure 3 It is a schematic diagram of the left-side sectional structure of a wind valve plug plate sealing structure.

[0018] Figure 4 It is a schematic diagram of the front view structure of a transmission component in a wind valve plug plate sealing structure.

[0019] In the figure: 1, air duct; 2, cover plate; 3, guide frame; 4, mounting frame; 5, valve plate; 6, power rod; 7, linkage rod; 8, screw rod; 9, transmission assembly; 10, power box;

[0020] 11. Stabilizing spring; 12. Sealing groove; 13. Mounting groove. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figures 1 to 4 In the embodiment of the utility model, a wind valve plug sealing structure includes a wind duct 1, a mounting frame 4 is inserted into the end of the wind duct 1, a plurality of mounting grooves 13 are provided on the left and right sides of the mounting frame 4, a valve plate 5 is inserted into the mounting groove 13, a guide frame 3 is provided in the gap of the mounting groove 13, arc blocks are fixed on the left and right sides of the guide frame 3, the arc blocks are pressed on the rotating shaft of the valve plate 5 for positioning, the end of the wind duct 1 is connected to the cover plate 2 by the outer bolts, the valve plate 5 is L-shaped, the rear end of the valve plate 5 is directly connected to the rotation through the linkage rod 7, and the rear ends of the uppermost valve plate 5 and the lowermost valve plate 5 are both connected to the dynamic A power rod 6, one end of the power rod 6 away from the valve plate 5 is rotatably connected to a slider, the slider is slidably connected in the transverse groove of the mounting frame 4, the upper slider is rotatably connected to the screw rod 8 through a thread, the front side of the screw rod 8 is connected to the power box 10 through a transmission component 9, the transmission component 9 includes a transverse rod and a vertical rod, the left and right ends of the transverse rod are connected to the screw rod 8 through a bevel gear set, the middle part of the transverse rod is connected to the vertical rod through a worm gear, the upper end of the vertical rod is connected to the output shaft of the motor in the power box 10 through a mutually perpendicular bevel gear set, the rear end of the lower slider is connected to a stabilizing spring 11, and the rear end of the stabilizing spring 11 is fixed to the end of the connection groove;

[0023] A sealing groove 12 is provided at the rear end of the guide frame 3, and an arc-shaped pad is provided in the sealing groove 12 for sealing by pressure. The valve plate 5 is inserted into the sealing groove 12, and an elastic convex strip is provided on the upper side of the sealing groove 12. The convex strip extends into the corner of the valve plate 5 to extend the contact surface and further improve the sealing performance. The left and right sides of the mounting frame 4 are provided with slots corresponding to the valve plate 5 to support the valve plate 5 after sealing.

[0024] The working principle of the utility model is: when in use, the device is installed at the end of the air duct 1 through the cover plate 2. When in use, the power is transmitted to the screw 8 through the transmission component 9 by the motor in the power box 10. The motor drives the vertical rod to rotate, and the vertical rod drives the horizontal rod to rotate. The screw 8 drives the slider to slide in the slide groove, and then drives the valve plate 5 to rotate through the power rod 6 above. The valve plate 5 adjusts the angle of the valve plate 5 through the linkage rod 7 to open the air duct 1. At the same time, the power rod 6 at the bottom pulls the stabilizing spring 11, stretches the stabilizing spring 11, and provides support.

[0025] When the components need to be replaced, each valve plate 5 is independently arranged and can be disassembled as a whole, so that maintenance and replacement are convenient.

[0026] The above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A wind valve plug plate sealing structure, comprising a wind duct (1), characterized in that: A mounting frame (4) is inserted into the end of the air duct (1), and a plurality of mounting grooves (13) are provided on the left and right sides of the mounting frame (4). A valve plate (5) is inserted into the mounting groove (13), and a guide frame (3) is provided in the gap of the mounting groove (13). The end of the air duct (1) is connected to the cover plate (2) through an outer bolt. The valve plate (5) is L-shaped, and the rear end of the valve plate (5) is directly rotatably connected through a linkage rod (7). The rear ends of the uppermost valve plate (5) and the lowermost valve plate (5) are both rotatably connected to a power rod (6). The end of the power rod (6) away from the valve plate (5) is rotatably connected to a slider, and the slider is slidably connected in the transverse groove of the mounting frame (4). The upper slider is rotatably connected to a screw rod (8) through a thread, and the front side of the screw rod (8) is connected to a power box (10) through a transmission component (9). A sealing groove (12) is provided at the rear end of the guide frame (3).

2. A damper plate sealing structure according to claim 1, characterized in that: Arc blocks are fixed on both the left and right sides of the guide frame (3), and the arc blocks are pressed on the rotating shaft of the valve plate (5).

3. A damper plate sealing structure according to claim 1, characterized in that: The transmission assembly (9) comprises a transverse rod and a vertical rod, the left and right ends of the transverse rod are connected to the screw rod (8) via a bevel gear set, the middle of the transverse rod is connected to the vertical rod via a worm gear, and the upper end of the vertical rod is connected to the output shaft of the motor in the power box (10) via a mutually perpendicular bevel gear set.

4. The air valve plate sealing structure according to claim 1, characterized in that: The rear end of the lower slider is connected to a stabilizing spring (11), and the rear end of the stabilizing spring (11) is fixed to the end of the connecting groove.

5. The air valve plate sealing structure according to claim 1, characterized in that: An arc-shaped pad is arranged in the sealing groove (12), and the valve plate (5) is inserted into the sealing groove (12).

6. The air valve plate sealing structure according to claim 1, characterized in that: An elastic convex strip is provided on the upper side of the sealing groove (12), and the convex strip extends into the corner of the valve plate (5).

7. The air valve plug plate sealing structure according to claim 1, characterized in that: The left and right sides of the mounting frame (4) are provided with slots corresponding to the valve plate (5).

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