Rotating wheel sealing structure for dehumidifier

Abstract

The rotating wheel sealing structure for the dehumidifier comprises a rotating wheel body, a flange installation groove is formed in the rotating wheel body, sealing filler is placed on the flange installation groove, sliding grooves are formed in the two sides of the flange installation groove, sliding blocks are connected into the sliding grooves in a sliding mode, and pressing plates are fixedly connected to the outer surfaces of the sliding blocks. A sealing groove is formed in the outer surface of the rotating wheel body, a sealing ring is arranged on the outer surface of the sealing groove, a sealing edge is fixedly connected to the lower surface of the sealing ring, a sealing cover plate is fixedly connected to the upper surface of the sealing ring, and a bolt is movably connected to the sealing cover plate. The sealing performance of the flange mounting position is improved by pressing the sealing filler, the sealing uniformity can be improved, gas medium leakage and energy loss can be effectively reduced, medium leakage is prevented, and the operation efficiency and safety of equipment are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary wheel sealing of a connecting and unloading structure, in particular to a rotary wheel sealing structure for a dehumidifier. Background Art

[0002] Dehumidifier is a key equipment commonly used in air handling units. Its main function is to compress the airflow and drive the rotor to rotate, so as to achieve the treatment and processing of the air. In the air handling unit, the dehumidifier is usually used to compress air or gas to meet the needs of different processes and equipment. The impeller sealing effect of the existing air handling unit is not good. For example, China has disclosed "a mixed flow turbine impeller sealing structure", and its application number is: "CN201621415774.1". It extends the stroke of water flow through the impeller and the leak-proof ring, increases the along-the-path loss and volume loss between this stroke, and greatly reduces the water leakage through the seal. However, it cannot improve the sealing of the flange installation, cannot improve the sealing uniformity, and thus cannot reduce leakage and energy loss, prevent medium leakage, and cannot ensure the stability of the sealing structure, and cannot ensure that the seal will not loosen or deform under high-speed rotation and high-pressure conditions. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a dehumidifier impeller sealing structure, which improves the sealing performance of the flange mounting point by compressing the sealing filler through the cooperation of the flange mounting groove, the sealing filler, the slide groove, the slider and the pressure plate, and can improve the sealing uniformity, which can effectively reduce the leakage of the gas medium and the energy loss, prevent the medium from leaking out, and improve the operating efficiency and safety of the equipment; through the cooperation of the sealing cover plate, the bolts, the sealing ring and the sealing edge, not only the upper and lower sides of the impeller can be sealed, but also the stability of the sealing structure can be guaranteed, ensuring that the seal will not loosen or deform under high-speed rotation and high-pressure conditions.

[0004] The utility model also provides the above-mentioned dehumidifier impeller sealing structure, which is arranged on the impeller body, the impeller body is provided with a flange mounting groove, the flange mounting groove is provided with a sealing filler, the two sides of the flange mounting groove are provided with a slide groove, a slider is slidably connected in the slide groove, the outer surface of the slider is fixedly connected with a pressure plate, the outer surface of the impeller body is provided with a sealing groove, the outer surface of the sealing groove is provided with a sealing ring, the lower surface of the sealing ring is fixedly connected with an edge seal, the upper surface of the sealing ring is fixedly connected with a sealing cover plate, and the sealing cover plate is movably connected with bolts. Through the cooperation of the flange mounting groove, the sealing filler, the slide groove, the slider and the pressure plate, the sealing performance of the flange mounting position can be improved, and the sealing uniformity can be improved, which can effectively reduce leakage and energy loss, prevent the medium from leaking out, and improve the operation efficiency and safety of the equipment; through the cooperation of the sealing cover plate, the bolts, the sealing ring and the edge seal, not only the upper and lower sides of the impeller can be sealed, but also the stability of the sealing structure can be guaranteed, and it can be ensured that the seal will not loosen or deform under high-speed rotation and high-pressure conditions.

[0005] According to the rotary seal structure for a dehumidifier of the utility model, a flange is installed in the flange mounting groove, and a connecting shaft is fixedly connected to the upper surface of the flange, so that the device can be stably connected to an external device.

[0006] According to the dehumidifier rotary wheel sealing structure described in the utility model, the flange is movably connected to the pressure plate, and the pressure plate is movably connected to the sealing packing, which can ensure that the pressure plate presses down the sealing packing to ensure the sealing performance.

[0007] According to the rotary wheel sealing structure for a dehumidifier described in the utility model, a positioning hole is provided on the pressure plate, and a positioning block is fixedly connected to the lower surface of the flange, so that the flange can be quickly installed.

[0008] According to the rotary wheel sealing structure for a dehumidifier described in the utility model, the positioning hole is movably connected to the positioning block, and the positioning block is movably connected to the pressure plate, so that the flange can be conveniently positioned.

[0009] According to the dehumidifier impeller sealing structure described in the utility model, the bolts are movably connected to the impeller body, and the sealing cover plate can be stably fixed.

[0010] According to the rotary wheel sealing structure for a dehumidifier described in the utility model, a flange mounting hole is provided in the flange mounting groove, and the sealing filler is made of polytetrafluoroethylene, which can improve the material strength and the sealing performance.

[0011] According to the dehumidifier impeller sealing structure described in the utility model, the pressing plate is movably connected to the flange mounting groove, and the pressing plate is movably connected to the impeller body, which can ensure the effective movement of the pressing plate and compress the sealing filler.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, the new dehumidifier impeller sealing structure improves the sealing of the flange installation by compressing the sealing filler through the cooperation of the flange installation groove, the sealing filler, the slide groove, the slider and the pressure plate, and can improve the sealing uniformity, which can effectively reduce the leakage and energy loss of the gas medium, prevent the leakage of the medium, and improve the operating efficiency and safety of the equipment.

[0014] 2. Compared with the existing technology, the new dehumidifier impeller sealing structure, through the cooperation of the sealing cover plate, bolts, sealing ring and sealing edge, can not only seal the upper and lower sides of the impeller, but also ensure the stability of the sealing structure, ensuring that the seal will not loosen or deform under high-speed rotation and high pressure conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 It is a partial structural diagram of the rotary wheel sealing structure for the dehumidifier of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection structure of the rotor body of the rotor sealing structure for the dehumidifier of the utility model;

[0018] Figure 3 This is a schematic diagram of the pressure plate connection structure of the rotary wheel sealing structure for the dehumidifier of the utility model;

[0019] Figure 4 It is a three-dimensional structural diagram of the rotary wheel sealing structure for the dehumidifier of the utility model.

[0020] Legend:

[0021] 1. Impeller body; 2. Flange mounting groove; 3. Sealing packing; 4. Slide groove; 5. Pressure plate; 6. Sliding block; 7. Sealing groove; 8. Sealing ring; 9. Sealing cover plate; 10. Bolts; 11. Edge sealing; 12. Flange; 13. Connecting shaft. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4The dehumidifier impeller sealing structure of the utility model embodiment is arranged on the impeller body 1, and a flange mounting groove 2 is provided on the impeller body 1 for mounting a flange plate 12, and a sealing filler 3 is placed on the flange mounting groove 2 for sealing the flange mounting groove 2. Slide grooves 4 are provided on both sides of the flange mounting groove 2 for sliding of a slider 6, and a slider 6 is slidably connected in the slide groove 4 for sliding with a pressure plate 5, and a pressure plate 5 is fixedly connected to the outer surface of the slider 6 for pressing down the sealing filler 3, and a sealing groove 7 is provided on the outer surface of the impeller body 1 for sealing the upper and lower sides of the impeller, and a sealing ring 8 is provided on the outer surface of the sealing groove 7 for sealing the sealing groove 7, and a sealing edge 11 is fixedly connected to the lower surface of the sealing ring 8 for sealing the impeller edge, and a sealing cover plate 9 is fixedly connected to the upper surface of the sealing ring 8 for fixing the sealing ring 8 and the upper end of the sealing impeller body 1, and a bolt 10 is movably connected to the sealing cover plate 9 for fixing the sealing ring 8.

[0024] A flange 12 is installed in the flange mounting groove 2, and a connecting shaft 13 is fixedly connected to the upper surface of the flange 12 for connecting and installing external equipment with the runner body 1. The flange 12 is movably connected to the pressure plate 5 for pressing the pressure plate 5 down by the flange 12. The pressure plate 5 is movably connected to the sealing packing 3 for pressing the sealing packing 3 down by the pressure plate 5. A positioning hole is provided on the pressure plate 5 for positioning the positioning block. A positioning block is fixedly connected to the lower surface of the flange 12 for positioning the flange 12. The positioning hole is movably connected to the positioning block. The positioning block is movably connected to the pressure plate 5 for installing the flange 12. The bolt 10 is movably connected to the runner body 1 for bolting the sealing cover plate 9. A flange mounting hole is provided in the flange mounting groove 2 for fixing the flange 12. The sealing packing 3 is made of polytetrafluoroethylene. The pressure plate 5 is movably connected to the flange mounting groove 2. The pressure plate 5 is movably connected to the runner body 1 for movement of the pressure plate 5.

[0025] Working principle: When in use, the impeller body 1 is connected to the external equipment through the flange 12 and the connecting shaft 13, the flange 12 enters the flange mounting groove 2 to press down the pressure plate 5, the slider 6 moves in the slide groove 4 to press down the sealing packing 3, the sealing flange 12 connection structure, and then the sealing ring 8 is installed through the sealing cover plate 9 to seal the sealing groove 7, the edge of the sealing groove 7 is sealed through the edge sealing 11, and then the sealing cover plate 9 is fixed by the bolts 10.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A rotary seal structure for a dehumidifier, characterized in that: The rotating wheel body (1) is provided with a flange mounting groove (2), a sealing filler (3) is placed on the flange mounting groove (2), sliding grooves (4) are provided on both sides of the flange mounting groove (2), a slider (6) is slidably connected in the sliding groove (4), a pressure plate (5) is fixedly connected to the outer surface of the slider (6), a sealing groove (7) is provided on the outer surface of the rotating wheel body (1), a sealing ring (8) is provided on the outer surface of the sealing groove (7), a sealing edge (11) is fixedly connected to the lower surface of the sealing ring (8), a sealing cover plate (9) is fixedly connected to the upper surface of the sealing ring (8), and a bolt (10) is movably connected to the sealing cover plate (9).

2. The dehumidifier wheel sealing structure according to claim 1, characterized in that: A flange plate (12) is installed in the flange installation groove (2), and a connecting shaft (13) is fixedly connected to the upper surface of the flange plate (12).

3. The dehumidifier wheel sealing structure according to claim 2, characterized in that: The flange (12) is movably connected to the pressure plate (5), and the pressure plate (5) is movably connected to the sealing filler (3).

4. The dehumidifier wheel sealing structure according to claim 2, characterized in that: The pressure plate (5) is provided with a positioning hole, and the lower surface of the flange (12) is fixedly connected with a positioning block.

5. The dehumidifier wheel sealing structure according to claim 4, characterized in that: The positioning hole is movably connected to the positioning block, and the positioning block is movably connected to the pressing plate (5).

6. The dehumidifier wheel sealing structure according to claim 1, characterized in that: The bolt (10) is movably connected to the wheel body (1).

7. The dehumidifier wheel sealing structure according to claim 1, characterized in that: A flange mounting hole is provided in the flange mounting groove (2), and the sealing filler (3) is made of polytetrafluoroethylene.

8. The dehumidifier wheel sealing structure according to claim 1, characterized in that: The pressing plate (5) is movably connected to the flange mounting groove (2), and the pressing plate (5) is movably connected to the wheel body (1).

Images