Sealing structure of air sweeping mechanism, air conditioner air sweeping mechanism and air conditioner

Abstract

The utility model provides a sealing structure of an air sweeping mechanism, the air sweeping mechanism of an air conditioner and the air conditioner. The sealing structure comprises a bottom shell side plate and a sealing plate. A motor cavity and an air outlet cavity are formed in the two sides of the bottom shell side plate respectively, and an assembly hole matched with an air sweeping connecting rod of the air conditioner is formed in the bottom shell side plate. The air sweeping connecting rod is sleeved with the sealing plate, the sealing plate is constructed to always shield the assembly hole in the air sweeping movement process of the air sweeping connecting rod, the sealing plate and the bottom shell side plate are kept in sealing contact, and the sealing contact area surrounds the assembly hole. Based on the technical scheme of the utility model, the sealing plate sleeved on the air sweeping connecting rod is used for shielding the assembling hole of the bottom shell side plate, and the sealing plate and the bottom shell side plate form a dynamic sealing structure, so that the sealing plate can always keep the initial sealing of the assembling hole when the air sweeping connecting rod moves; therefore, cold air can be prevented from entering the motor cavity through the assembly hole to generate condensation to damage the motor.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning equipment, in particular to a sealing structure of a wind sweeping mechanism, an air conditioning wind sweeping mechanism and an air conditioner. Background Art

[0002] At present, household wall-mounted air conditioners generally adjust the left and right blowing angles and blowing areas by setting a left and right wind sweeping mechanism to drive the wind sweeping blades to swing left and right. The left and right wind sweeping mechanism is generally a crank connecting rod mechanism, and its motor drive part is mostly arranged on the left or right outer side of the bottom shell air outlet. The long wind sweeping connecting rod needs to pass through the bottom shell side plate to connect with the wind sweeping blades in the air outlet, so the bottom shell side plate has to be provided with an assembly hole for the wind sweeping connecting rod to pass through and for the wind sweeping movement.

[0003] In actual application, the air outlet air flow pressure is high when the air conditioner is cooling and supplying air. The cold air will enter the motor cavity through the assembly holes on the side panels of the bottom shell, thereby meeting the hot air near the motor and generating condensation water around the motor, which can easily cause the motor to rust and be damaged during long-term use. Utility Model Content

[0004] In order to solve the problem that the cooling air of the current air conditioner easily enters the air sweeping motor cavity to generate condensation and cause the motor to rust, the utility model proposes a sealing structure of an air sweeping mechanism, an air conditioner air sweeping mechanism and an air conditioner.

[0005] In a first aspect, the utility model provides a sealing structure of an air sweeping mechanism, comprising:

[0006] The bottom shell side plate has a motor cavity and an air outlet cavity on both sides thereof, and the bottom shell side plate is provided with an assembly hole matched with the air sweep connecting rod of the air conditioner; and

[0007] A sealing plate is sleeved on the wind sweeping connecting rod, and the sealing plate is configured to always shield the assembly hole during the wind sweeping movement of the wind sweeping connecting rod. The sealing plate maintains sealing contact with the bottom shell side plate, and the sealing contact area surrounds the assembly hole.

[0008] In one embodiment, the sealing plate is located at a side of the motor cavity, a limiting portion corresponding to the sealing plate is configured in the motor cavity, and the sealing plate is limited between the limiting portion and the bottom shell side plate.

[0009] In one embodiment, a first rib surrounding the assembly hole and protruding is configured on the surface of the bottom shell side plate, and the first rib is in sealing contact with the surface of the sealing plate.

[0010] In one embodiment, a second rib in an annular structure and raised is configured on the surface of the sealing plate, the second rib is in sealing contact with the surface of the bottom shell side plate, and the second rib surrounds the assembly hole.

[0011] In one embodiment, the second rib is rectangular as a whole, and includes two mutually parallel first ribs and two mutually parallel second ribs, and the extension direction of the first rib is orthogonal to the rotating shaft of the motor disposed in the motor cavity;

[0012] Among them, the height of the protrusion of the first retaining rib is greater than that of the second retaining rib, the second retaining rib is in sealing contact with the surface of the bottom shell side plate, the first retaining rib is partially embedded in the guide groove constructed on the surface of the bottom shell side plate, and the length of the guide groove is greater than that of the first retaining rib.

[0013] In one embodiment, the second rib and / or the first rib arranged on the bottom shell side plate and surrounding the assembly hole is configured as a double-layer rib structure, and the double-layer rib structure includes two circles of ribs spaced apart in the radial direction, and an annular groove for filling grease is formed between the two circles of ribs.

[0014] In one embodiment, a through hole is formed on the sealing plate for the wind sweeping rod to pass through, and the wind sweeping rod can completely fill the through hole when passing through the through hole, and a groove for filling grease is configured on the hole wall of the through hole.

[0015] In one embodiment, a motor is disposed in the motor cavity, a rotating shaft of the motor is hinged to one end of the wind sweeping connecting rod via a transmission crank, and a radial dimension of the assembly hole is larger than a radial dimension of the wind sweeping connecting rod.

[0016] In one embodiment, an outer shell is mounted on the bottom shell side plate via threaded fasteners, and the outer shell is buckled on the bottom shell side plate and together with the bottom shell side plate, forms the motor cavity.

[0017] In the second aspect, the utility model proposes an air-conditioning sweeping mechanism, which includes the sealing structure of the above-mentioned sweeping mechanism and thus has all the technical effects thereof.

[0018] In a third aspect, the utility model provides an air conditioner, which includes the above-mentioned air conditioning wind sweeping mechanism and thus has all the technical effects thereof.

[0019] The above technical features can be combined in various suitable ways or replaced by equivalent technical features as long as the purpose of the utility model can be achieved.

[0020] The sealing structure of the air sweeping mechanism, the air-conditioning air sweeping mechanism and the air conditioner provided by the utility model have at least the following beneficial effects compared with the prior art:

[0021] The utility model provides a sealing structure of an air sweeping mechanism, an air conditioner air sweeping mechanism and an air conditioner, which utilize a sealing plate sleeved on an air sweeping connecting rod to shield the assembly hole of a bottom shell side plate, and form a dynamic sealing structure with the sealing plate and the bottom shell side plate, so that the sealing plate can always maintain the initial sealing of the assembly hole when the air sweeping connecting rod moves, thereby preventing cold air from entering the motor cavity through the assembly hole to generate condensation to damage the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings.

[0023] Figure 1 A cross-sectional view (axonometric perspective) showing the entire sealing structure of the air sweeping mechanism of the utility model;

[0024] Figure 2 A cross-sectional view (orthographic projection perspective) showing the entire sealing structure of the air sweeping mechanism of the utility model;

[0025] Figure 3 A schematic diagram showing a partial structure of a motor cavity side of the sealing structure of the air sweeping mechanism of the utility model;

[0026] Figure 4 Shows Figure 3 A cross-sectional view of the structure shown;

[0027] Figure 5 Shows Figure 3 A cross-sectional view of a sealing plate in FIG.

[0028] Figure 6 Shows Figure 1 A schematic diagram of some structures on the side panels of the midsole shell;

[0029] Figure 7 A schematic diagram showing the sealing structure of the air sweeping mechanism of the utility model in the overall structure of the air conditioner.

[0030] In the drawings, like reference numerals are used for like parts. The drawings are not necessarily to scale.

[0031] Reference numerals:

[0032] 1-side plate of bottom shell, 11-assembly hole, 12-first rib, 13-guide groove, 2-motor cavity, 21-limiting part, 3-air outlet cavity, 4-wind sweeping connecting rod, 5-sealing plate, 51-second rib, 511-first baffle rib, 512-second baffle rib, 52-through hole, 521-groove, 6-motor, 61-rotating shaft, 7-transmission crank, 8-outer shell. DETAILED DESCRIPTION

[0033] The utility model will be further described below in conjunction with the accompanying drawings.

[0034] Example 1

[0035] The embodiment of the utility model provides a sealing structure of a wind sweeping mechanism, which includes a bottom shell side plate 1 and a sealing plate 5. The bottom shell side plate 1 is respectively provided with a motor cavity 2 and an air outlet cavity 3 on both sides, and the bottom shell side plate 1 is provided with an assembly hole 11 that cooperates with the wind sweeping connecting rod 4 of the air conditioner. The sealing plate 5 is sleeved on the wind sweeping connecting rod 4, and the sealing plate 5 is configured to always cover the assembly hole 11 during the wind sweeping movement of the wind sweeping connecting rod 4, and the sealing plate 5 maintains a sealing contact with the bottom shell side plate 1, and the sealing contact area surrounds the assembly hole 11.

[0036] Specifically, as shown in the attached figure Figure 7 As shown, the air sweeping mechanism of the air conditioner is arranged at the lower part of the air conditioner, and is located in the air outlet cavity 3 of the bottom shell of the air conditioner as a whole. The outer side of the bottom shell side plate 1 is configured with a motor cavity 2, and a motor 6 is arranged in the motor cavity 2, which mainly provides power for the air sweeping of the air conditioner. In this embodiment, the air sweeping is mainly realized based on the crank connecting rod mechanism, and the air sweeping mechanism is shown in FIG. Figure 1 and Figure 4 , the rotating shaft 61 of the motor 6 is hinged to one end of the wind sweeping connecting rod 4 through the transmission crank 7, and the other end of the wind sweeping connecting rod 4 passes through the assembly hole 11 of the bottom shell side plate 1 to enter the air outlet chamber 3 and is connected to the wind sweeping blade in the air outlet chamber 3. Based on the motion characteristics of the crank-connecting rod mechanism, when the rotating shaft 61 of the motor 6 drives the wind sweeping connecting rod 4, the movement of the wind sweeping connecting rod 4 can be decomposed into reciprocating movement in a direction perpendicular to the plane where the bottom shell side plate 1 is located and reciprocating movement in a straight line direction parallel to the plane where the bottom shell side plate 1 is located, so the wind sweeping connecting rod 4 has movement relative to the bottom shell side plate 1 in the above two directions, so the radial size of the assembly hole 11 on the bottom shell side plate 1 is set to be larger than the wind sweeping connecting rod 4, so as to provide sufficient space for the movement of the wind sweeping connecting rod 4.

[0037] Based on the above basic structure, air leakage is easily formed at the assembly hole 11, that is, part of the cold air output from the air outlet cavity 3 will enter the motor cavity 2 through the assembly hole 11, and condensation is easily generated to cause rust and damage to the motor 6. In this embodiment, a sealing plate 5 is further provided to solve this problem.

[0038] As shown in the attached picture Figure 1 and Figure 2As shown, the sealing plate 5 is sleeved on the wind sweeping link 4 and can slide along the wind sweeping link 4, but in macroscopic terms, the sealing plate 5 is relatively fixed with the wind sweeping link 4 in the radial direction of the wind sweeping link 4. The sealing plate 5 completely covers the assembly hole 11 on the bottom shell side plate 1 in the assembled state and is in sealing contact with the bottom shell side plate 1. When the wind sweeping link 4 moves, the wind sweeping link 4 and the sealing plate 5 slide relative to each other in the direction perpendicular to the plane where the bottom shell side plate 1 is located, so the sealing plate 5 and the bottom shell side plate 1 can maintain sealing contact; and in the corresponding straight line direction parallel to the plane where the bottom shell side plate 1 is located, the sealing plate 5 translates relative to the bottom shell side plate 1 and the two maintain sealing contact. Therefore, during the entire air sweeping movement, the sealing plate 5 always covers the assembly hole 11 on the bottom shell side plate 1 and maintains a sealed contact with the bottom shell side plate 1, and the sealed contact area surrounds the assembly hole 11, forming a dynamic sealing structure at the periphery of the assembly hole 11, so the cold air in the air outlet cavity 3 cannot enter the motor cavity 2 through the assembly hole 11, thereby avoiding the generation of condensation to damage the motor 6.

[0039] The sealing structure of the air sweeping mechanism of the utility model utilizes a sealing plate 5 sleeved on the air sweeping connecting rod 4 to shield the assembly hole 11 of the bottom shell side plate 1, and the sealing plate 5 and the bottom shell side plate 1 form a dynamic sealing structure, so that the sealing plate 5 can always maintain the initial sealing of the assembly hole 11 when the air sweeping connecting rod 4 moves, thereby preventing cold air from entering the motor cavity 2 through the assembly hole 11 and generating condensation to damage the motor 6.

[0040] Furthermore, an outer shell 8 is mounted on the bottom shell side plate 1 via threaded fasteners. The outer shell 8 is buckled on the bottom shell side plate 1 and together with the bottom shell side plate 1 , forms a motor cavity 2 .

[0041] Specifically, as shown in the attached figure Figure 1 and Figure 7 As shown, the motor cavity 2 is formed by an outer shell 8 buckled on the outer side of the bottom shell side plate 1. The motor 6 is fixed inside the outer shell 8, and a plurality of threaded fasteners (bolts or screws) are arranged on the edge of the outer shell 8, and the threaded fasteners can be threadedly connected with the screw holes on the bottom shell side plate 1, so that the outer shell 8 is fixedly buckled on the bottom shell side plate 1 and encloses the motor cavity 2 with the bottom shell side plate 1.

[0042] Furthermore, the sealing plate 5 is located at the side where the motor cavity 2 is located. A limiting portion 21 corresponding to the sealing plate 5 is constructed in the motor cavity 2. The sealing plate 5 is limited between the limiting portion 21 and the bottom shell side plate 1.

[0043] Specifically, based on the above content, the sealing plate 5 needs to maintain sealing contact with the bottom shell side plate 1 when the wind sweeping link 4 moves. The most important thing is that the sealing plate 5 cannot be separated from the bottom shell side plate 1 in the direction perpendicular to the bottom shell side plate 1. Therefore, the position of the sealing plate 5 needs to be limited and its movement restricted in this direction. Figure 2As shown, in this embodiment, the sealing plate 5 is arranged on the side of the bottom shell side plate 1 corresponding to the motor cavity 2, so a limiting portion 21 corresponding to the sealing plate 5 is provided in the motor cavity 2, and the sealing plate 5 is restricted between the limiting portion 21 and the bottom shell side plate 1.

[0044] From the overall structure, the limiting part 21, the sealing plate 5 and the bottom shell side plate 1 are abutted in sequence, thereby defining and restricting the position and movement of the sealing plate 5 in the direction perpendicular to the bottom shell side plate 1, so that the sealing plate 5 and the bottom shell side plate 1 can always maintain a sealed contact. Considering that the sealing plate 5 will translate relative to the bottom shell side plate 1 in a plane parallel to the bottom shell side plate 1, in order to maintain the smoothness of the translation of the sealing plate 5, a movement gap of a width of no more than 0.2 mm is reserved between the sealing plate 5 and the bottom shell side plate 1 and the limiting part 21, respectively, and the movement gap prevents friction or interference between the sealing plate 5 and the corresponding components to hinder movement.

[0045] Example 2

[0046] The embodiment of the utility model provides a sealing structure of a wind sweeping mechanism, which includes a bottom shell side plate 1 and a sealing plate 5. The bottom shell side plate 1 is respectively provided with a motor cavity 2 and an air outlet cavity 3 on both sides, and the bottom shell side plate 1 is provided with an assembly hole 11 that cooperates with the wind sweeping connecting rod 4 of the air conditioner. The sealing plate 5 is sleeved on the wind sweeping connecting rod 4, and the sealing plate 5 is configured to always cover the assembly hole 11 during the wind sweeping movement of the wind sweeping connecting rod 4, and the sealing plate 5 maintains a sealing contact with the bottom shell side plate 1, and the sealing contact area surrounds the assembly hole 11.

[0047] Specifically, as shown in the attached figure Figure 7 As shown, the air sweeping mechanism of the air conditioner is arranged at the lower part of the air conditioner, and is located in the air outlet cavity 3 of the bottom shell of the air conditioner as a whole. The outer side of the bottom shell side plate 1 is configured with a motor cavity 2, and a motor 6 is arranged in the motor cavity 2, which mainly provides power for the air sweeping of the air conditioner. In this embodiment, the air sweeping is mainly realized based on the crank connecting rod mechanism, and the air sweeping mechanism is shown in FIG. Figure 1 and Figure 4 , the rotating shaft 61 of the motor 6 is hinged to one end of the wind sweeping connecting rod 4 through the transmission crank 7, and the other end of the wind sweeping connecting rod 4 passes through the assembly hole 11 of the bottom shell side plate 1 to enter the air outlet chamber 3 and is connected to the wind sweeping blade in the air outlet chamber 3. Based on the motion characteristics of the crank-connecting rod mechanism, when the rotating shaft 61 of the motor 6 drives the wind sweeping connecting rod 4, the movement of the wind sweeping connecting rod 4 can be decomposed into reciprocating movement in a direction perpendicular to the plane where the bottom shell side plate 1 is located and reciprocating movement in a straight line direction parallel to the plane where the bottom shell side plate 1 is located, so the wind sweeping connecting rod 4 has movement relative to the bottom shell side plate 1 in the above two directions, so the radial size of the assembly hole 11 on the bottom shell side plate 1 is set to be larger than the wind sweeping connecting rod 4, so as to provide sufficient space for the movement of the wind sweeping connecting rod 4.

[0048] Based on the above basic structure, air leakage is easily formed at the assembly hole 11, that is, part of the cold air output from the air outlet cavity 3 will enter the motor cavity 2 through the assembly hole 11, and condensation is easily generated to cause rust and damage to the motor 6. In this embodiment, a sealing plate 5 is further provided to solve this problem.

[0049] As shown in the attached picture Figure 1 and Figure 2 As shown, the sealing plate 5 is sleeved on the wind sweeping link 4 and can slide along the wind sweeping link 4, but in macroscopic terms, the sealing plate 5 is relatively fixed with the wind sweeping link 4 in the radial direction of the wind sweeping link 4. The sealing plate 5 completely covers the assembly hole 11 on the bottom shell side plate 1 in the assembled state and is in sealing contact with the bottom shell side plate 1. When the wind sweeping link 4 moves, the wind sweeping link 4 and the sealing plate 5 slide relative to each other in the direction perpendicular to the plane where the bottom shell side plate 1 is located, so the sealing plate 5 and the bottom shell side plate 1 can maintain sealing contact; and in the corresponding straight line direction parallel to the plane where the bottom shell side plate 1 is located, the sealing plate 5 translates relative to the bottom shell side plate 1 and the two maintain sealing contact. Therefore, during the entire air sweeping movement, the sealing plate 5 always covers the assembly hole 11 on the bottom shell side plate 1 and maintains a sealed contact with the bottom shell side plate 1, and the sealed contact area surrounds the assembly hole 11, forming a dynamic sealing structure at the periphery of the assembly hole 11, so the cold air in the air outlet cavity 3 cannot enter the motor cavity 2 through the assembly hole 11, thereby avoiding the generation of condensation to damage the motor 6.

[0050] The sealing structure of the air sweeping mechanism of the utility model utilizes a sealing plate 5 sleeved on the air sweeping connecting rod 4 to shield the assembly hole 11 of the bottom shell side plate 1, and the sealing plate 5 and the bottom shell side plate 1 form a dynamic sealing structure, so that the sealing plate 5 can always maintain the initial sealing of the assembly hole 11 when the air sweeping connecting rod 4 moves, thereby preventing cold air from entering the motor cavity 2 through the assembly hole 11 and generating condensation to damage the motor 6.

[0051] Furthermore, an outer shell 8 is mounted on the bottom shell side plate 1 via threaded fasteners. The outer shell 8 is buckled on the bottom shell side plate 1 and together with the bottom shell side plate 1 , forms a motor cavity 2 .

[0052] Specifically, as shown in the attached figure Figure 1 and Figure 7 As shown, the motor cavity 2 is formed by an outer shell 8 buckled on the outer side of the bottom shell side plate 1. The motor 6 is fixed inside the outer shell 8, and a plurality of threaded fasteners (bolts or screws) are arranged on the edge of the outer shell 8, and the threaded fasteners can be threadedly connected with the screw holes on the bottom shell side plate 1, so that the outer shell 8 is fixedly buckled on the bottom shell side plate 1 and encloses the motor cavity 2 with the bottom shell side plate 1.

[0053] Furthermore, the sealing plate 5 is located at the side where the motor cavity 2 is located. A limiting portion 21 corresponding to the sealing plate 5 is constructed in the motor cavity 2. The sealing plate 5 is limited between the limiting portion 21 and the bottom shell side plate 1.

[0054] Specifically, based on the above content, the sealing plate 5 needs to maintain sealing contact with the bottom shell side plate 1 when the wind sweeping link 4 moves. The most important thing is that the sealing plate 5 cannot be separated from the bottom shell side plate 1 in the direction perpendicular to the bottom shell side plate 1. Therefore, the position of the sealing plate 5 needs to be limited and its movement restricted in this direction. Figure 2 As shown, in this embodiment, the sealing plate 5 is arranged on the side of the bottom shell side plate 1 corresponding to the motor cavity 2, so a limiting portion 21 corresponding to the sealing plate 5 is provided in the motor cavity 2, and the sealing plate 5 is restricted between the limiting portion 21 and the bottom shell side plate 1.

[0055] From the overall structure, the limiting part 21, the sealing plate 5 and the bottom shell side plate 1 are abutted in sequence, thereby defining and restricting the position and movement of the sealing plate 5 in the direction perpendicular to the bottom shell side plate 1, so that the sealing plate 5 and the bottom shell side plate 1 can always maintain a sealed contact. Considering that the sealing plate 5 will translate relative to the bottom shell side plate 1 in a plane parallel to the bottom shell side plate 1, in order to maintain the smoothness of the translation of the sealing plate 5, a movement gap of a width not greater than 0.2 mm is reserved between the sealing plate 5 and the bottom shell side plate 1 and the limiting part 21, respectively. The movement gap avoids friction or interference between the sealing plate 5 and the corresponding components to hinder movement, and at the same time, the movement gap of this width will not cause substantial leakage of cold air.

[0056] Furthermore, a first rib 12 is formed on the surface of the bottom shell side plate 1 and surrounds the assembly hole 11 and is raised. The first rib 12 is in sealing contact with the surface of the sealing plate 5 .

[0057] Specifically, as shown in the attached figure Figure 2 and Figure 6 As shown, the surface of the bottom shell side plate 1 is structured with a raised first rib 12, which is a ring-shaped structure surrounding the assembly hole 11 and extending continuously; in this embodiment, the first rib 12 is arranged at the edge of the hole opening of the assembly hole 11. In the assembled state, the top of the first rib 12 is in sealing contact with the surface of the sealing plate 5, so as to achieve sealing of the periphery of the assembly hole 11.

[0058] Furthermore, a second rib 51 with an annular structure and protrusion is constructed on the surface of the sealing plate 5 . The second rib 51 is in sealing contact with the surface of the bottom shell side plate 1 , and the second rib 51 surrounds the assembly hole 11 .

[0059] Specifically, as shown in the attached figure Figure 2 and Figure 3As shown, the surface of the sealing plate 5 is constructed with a second rib 51 in a continuously extending annular structure. In the assembled state, the second rib 51 surrounds the assembly hole 11 and is in sealing contact with the surface of the bottom shell side plate 1, thereby achieving sealing of the periphery of the assembly hole 11. The second rib 51 and the aforementioned first rib 12 can be set either at will or at the same time; in this embodiment, the first rib 12 and the second rib 51 are set at the same time, as shown in the accompanying drawings Figure 2 As shown, the second rib 51 surrounds the first rib 12 to form a double sealing structure to enhance the sealing effect.

[0060] Furthermore, the second rib 51 and / or the first rib 12 are configured as a double-layer rib structure, which includes two circles of ribs spaced apart in the radial direction, and an annular groove for filling grease is formed between the two circles of ribs.

[0061] Specifically, considering that the sealing plate 5 and the bottom shell side plate 1 will have relative translational movement when maintaining contact, in order to reduce the friction force of the contact surface, the second rib 51 and / or the first rib 12 can be set to a double-layer rib structure composed of two circles of ribs (not shown in the drawings), and grease is filled in the annular groove between the two circles of ribs, so that the contact surface between the sealing plate 5 and the bottom shell side plate 1 can be lubricated to reduce friction resistance.

[0062] Furthermore, the sealing plate 5 is provided with a through hole 52 for the wind sweeping connecting rod 4 to pass through. When the wind sweeping connecting rod 4 passes through the through hole 52 , the through hole 52 can be completely filled. A groove 521 for filling grease is constructed on the hole wall of the through hole 52 .

[0063] Specifically, as shown in the attached figure Figure 4 As shown, the sealing plate 5 is sleeved on the air sweeping link 4 through the through hole 52 at the center thereof. The shape and size of the through hole 52 are macroscopically consistent with the cross-sectional shape and size of the air sweeping link 4. Therefore, when the air sweeping link 4 passes through the through hole 52, the through hole 52 can be completely filled, thereby preventing cold air from leaking through the through hole 52. In actual use, in order to ensure the smooth movement of the sealing plate 5 relative to the air sweeping link 4, an assembly gap with a width of no more than 0.2 mm is retained between the inner wall of the through hole 52 and the air sweeping link 4. The assembly gap of this width will not cause substantial leakage of cold air. In addition, in further consideration of the lubricity of the relative movement between the sealing plate 5 and the air sweeping link 4, a groove 521 is provided on the wall of the through hole 52 for filling with grease, as shown in the accompanying drawings. Figure 5 shown.

[0064] Example 3

[0065] The embodiment of the utility model provides a sealing structure of a wind sweeping mechanism, which includes a bottom shell side plate 1 and a sealing plate 5. The bottom shell side plate 1 is respectively provided with a motor cavity 2 and an air outlet cavity 3 on both sides, and the bottom shell side plate 1 is provided with an assembly hole 11 that cooperates with the wind sweeping connecting rod 4 of the air conditioner. The sealing plate 5 is sleeved on the wind sweeping connecting rod 4, and the sealing plate 5 is configured to always cover the assembly hole 11 during the wind sweeping movement of the wind sweeping connecting rod 4, and the sealing plate 5 maintains a sealing contact with the bottom shell side plate 1, and the sealing contact area surrounds the assembly hole 11.

[0066] Specifically, as shown in the attached figure Figure 7 As shown, the air sweeping mechanism of the air conditioner is arranged at the lower part of the air conditioner, and is located in the air outlet cavity 3 of the bottom shell of the air conditioner as a whole. The outer side of the bottom shell side plate 1 is configured with a motor cavity 2, and a motor 6 is arranged in the motor cavity 2, which mainly provides power for the air sweeping of the air conditioner. In this embodiment, the air sweeping is mainly realized based on the crank connecting rod mechanism, and the air sweeping mechanism is shown in FIG. Figure 1 and Figure 4 , the rotating shaft 61 of the motor 6 is hinged to one end of the wind sweeping connecting rod 4 through the transmission crank 7, and the other end of the wind sweeping connecting rod 4 passes through the assembly hole 11 of the bottom shell side plate 1 to enter the air outlet chamber 3 and is connected to the wind sweeping blade in the air outlet chamber 3. Based on the motion characteristics of the crank-connecting rod mechanism, when the rotating shaft 61 of the motor 6 drives the wind sweeping connecting rod 4, the movement of the wind sweeping connecting rod 4 can be decomposed into reciprocating movement in a direction perpendicular to the plane where the bottom shell side plate 1 is located and reciprocating movement in a straight line direction parallel to the plane where the bottom shell side plate 1 is located, so the wind sweeping connecting rod 4 has movement relative to the bottom shell side plate 1 in the above two directions, so the radial size of the assembly hole 11 on the bottom shell side plate 1 is set to be larger than the wind sweeping connecting rod 4, so as to provide sufficient space for the movement of the wind sweeping connecting rod 4.

[0067] Based on the above basic structure, air leakage is easily formed at the assembly hole 11, that is, part of the cold air output from the air outlet cavity 3 will enter the motor cavity 2 through the assembly hole 11, and condensation is easily generated to cause rust and damage to the motor 6. In this embodiment, a sealing plate 5 is further provided to solve this problem.

[0068] As shown in the attached picture Figure 1 and Figure 2As shown, the sealing plate 5 is sleeved on the wind sweeping link 4 and can slide along the wind sweeping link 4, but in macroscopic terms, the sealing plate 5 is relatively fixed with the wind sweeping link 4 in the radial direction of the wind sweeping link 4. The sealing plate 5 completely covers the assembly hole 11 on the bottom shell side plate 1 in the assembled state and is in sealing contact with the bottom shell side plate 1. When the wind sweeping link 4 moves, the wind sweeping link 4 and the sealing plate 5 slide relative to each other in the direction perpendicular to the plane where the bottom shell side plate 1 is located, so the sealing plate 5 and the bottom shell side plate 1 can maintain sealing contact; and in the corresponding straight line direction parallel to the plane where the bottom shell side plate 1 is located, the sealing plate 5 translates relative to the bottom shell side plate 1 and the two maintain sealing contact. Therefore, during the entire air sweeping movement, the sealing plate 5 always covers the assembly hole 11 on the bottom shell side plate 1 and maintains a sealed contact with the bottom shell side plate 1, and the sealed contact area surrounds the assembly hole 11, forming a dynamic sealing structure at the periphery of the assembly hole 11, so the cold air in the air outlet cavity 3 cannot enter the motor cavity 2 through the assembly hole 11, thereby avoiding the generation of condensation to damage the motor 6.

[0069] The sealing structure of the air sweeping mechanism of the utility model utilizes a sealing plate 5 sleeved on the air sweeping connecting rod 4 to shield the assembly hole 11 of the bottom shell side plate 1, and the sealing plate 5 and the bottom shell side plate 1 form a dynamic sealing structure, so that the sealing plate 5 can always maintain the initial sealing of the assembly hole 11 when the air sweeping connecting rod 4 moves, thereby preventing cold air from entering the motor cavity 2 through the assembly hole 11 and generating condensation to damage the motor 6.

[0070] Furthermore, an outer shell 8 is mounted on the bottom shell side plate 1 via threaded fasteners. The outer shell 8 is buckled on the bottom shell side plate 1 and together with the bottom shell side plate 1 , forms a motor cavity 2 .

[0071] Specifically, as shown in the attached figure Figure 1 and Figure 7 As shown, the motor cavity 2 is formed by an outer shell 8 buckled on the outer side of the bottom shell side plate 1. The motor 6 is fixed inside the outer shell 8, and a plurality of threaded fasteners (bolts or screws) are arranged on the edge of the outer shell 8, and the threaded fasteners can be threadedly connected with the screw holes on the bottom shell side plate 1, so that the outer shell 8 is fixedly buckled on the bottom shell side plate 1 and encloses the motor cavity 2 with the bottom shell side plate 1.

[0072] Furthermore, the sealing plate 5 is located at the side where the motor cavity 2 is located. A limiting portion 21 corresponding to the sealing plate 5 is constructed in the motor cavity 2. The sealing plate 5 is limited between the limiting portion 21 and the bottom shell side plate 1.

[0073] Specifically, based on the above content, the sealing plate 5 needs to maintain sealing contact with the bottom shell side plate 1 when the wind sweeping link 4 moves. The most important thing is that the sealing plate 5 cannot be separated from the bottom shell side plate 1 in the direction perpendicular to the bottom shell side plate 1. Therefore, the position of the sealing plate 5 needs to be limited and its movement restricted in this direction. Figure 2As shown, in this embodiment, the sealing plate 5 is arranged on the side of the bottom shell side plate 1 corresponding to the motor cavity 2, so a limiting portion 21 corresponding to the sealing plate 5 is provided in the motor cavity 2, and the sealing plate 5 is restricted between the limiting portion 21 and the bottom shell side plate 1.

[0074] From the overall structure, the limiting part 21, the sealing plate 5 and the bottom shell side plate 1 are abutted in sequence, thereby defining and restricting the position and movement of the sealing plate 5 in the direction perpendicular to the bottom shell side plate 1, so that the sealing plate 5 and the bottom shell side plate 1 can always maintain a sealed contact. Considering that the sealing plate 5 will translate relative to the bottom shell side plate 1 in a plane parallel to the bottom shell side plate 1, in order to maintain the smoothness of the translation of the sealing plate 5, a movement gap of a width not greater than 0.2 mm is reserved between the sealing plate 5 and the bottom shell side plate 1 and the limiting part 21, respectively. The movement gap avoids friction or interference between the sealing plate 5 and the corresponding components to hinder movement, and at the same time, the movement gap of this width will not cause substantial leakage of cold air.

[0075] Furthermore, a first rib 12 is formed on the surface of the bottom shell side plate 1 and surrounds the assembly hole 11 and is raised. The first rib 12 is in sealing contact with the surface of the sealing plate 5 .

[0076] Specifically, as shown in the attached figure Figure 2 and Figure 6 As shown, the surface of the bottom shell side plate 1 is structured with a raised first rib 12, which is a ring-shaped structure surrounding the assembly hole 11 and extending continuously; in this embodiment, the first rib 12 is arranged at the edge of the hole opening of the assembly hole 11. In the assembled state, the top of the first rib 12 is in sealing contact with the surface of the sealing plate 5, so as to achieve sealing of the periphery of the assembly hole 11.

[0077] Furthermore, a second rib 51 with an annular structure and protrusion is constructed on the surface of the sealing plate 5 . The second rib 51 is in sealing contact with the surface of the bottom shell side plate 1 , and the second rib 51 surrounds the assembly hole 11 .

[0078] Specifically, as shown in the attached figure Figure 2 and Figure 3 As shown, the surface of the sealing plate 5 is constructed with a second rib 51 in a continuously extending annular structure. In the assembled state, the second rib 51 surrounds the assembly hole 11 and is in sealing contact with the surface of the bottom shell side plate 1, thereby achieving sealing of the periphery of the assembly hole 11. The second rib 51 and the aforementioned first rib 12 can be set either at will or at the same time; in this embodiment, the first rib 12 and the second rib 51 are set at the same time, as shown in the accompanying drawings Figure 2 As shown, the second rib 51 surrounds the first rib 12 to form a double sealing structure to enhance the sealing effect.

[0079] Furthermore, the second rib 51 and / or the first rib 12 are configured as a double-layer rib structure, which includes two circles of ribs spaced apart in the radial direction, and an annular groove for filling grease is formed between the two circles of ribs.

[0080] Specifically, considering that the sealing plate 5 and the bottom shell side plate 1 will have relative translational movement when maintaining contact, in order to reduce the friction force of the contact surface, the second rib 51 and / or the first rib 12 can be set to a double-layer rib structure composed of two circles of ribs (not shown in the drawings), and grease is filled in the annular groove between the two circles of ribs, so that the contact surface between the sealing plate 5 and the bottom shell side plate 1 can be lubricated to reduce friction resistance.

[0081] Furthermore, the sealing plate 5 is provided with a through hole 52 for the wind sweeping connecting rod 4 to pass through. When the wind sweeping connecting rod 4 passes through the through hole 52 , the through hole 52 can be completely filled. A groove 521 for filling grease is constructed on the hole wall of the through hole 52 .

[0082] Specifically, as shown in the attached figure Figure 4 As shown, the sealing plate 5 is sleeved on the air sweeping link 4 through the through hole 52 at the center thereof. The shape and size of the through hole 52 are macroscopically consistent with the cross-sectional shape and size of the air sweeping link 4. Therefore, when the air sweeping link 4 passes through the through hole 52, the through hole 52 can be completely filled, thereby preventing cold air from leaking through the through hole 52. In actual use, in order to ensure the smooth movement of the sealing plate 5 relative to the air sweeping link 4, an assembly gap with a width of no more than 0.2 mm is retained between the inner wall of the through hole 52 and the air sweeping link 4. The assembly gap of this width will not cause substantial leakage of cold air. In addition, in further consideration of the lubricity of the relative movement between the sealing plate 5 and the air sweeping link 4, a groove 521 is provided on the wall of the through hole 52 for filling with grease, as shown in the accompanying drawings. Figure 5 shown.

[0083] Furthermore, the second rib 51 is rectangular as a whole, and includes two mutually parallel first ribs 511 and two mutually parallel second ribs 512, and the extension direction of the first rib 511 is orthogonal to the rotating shaft 61 of the motor 6 disposed in the motor cavity 2. The protruding height of the first rib 511 is greater than that of the second rib 512, and the second rib 512 is in sealing contact with the surface of the bottom shell side plate 1, and the first rib 511 is partially embedded in the guide groove 13 constructed on the surface of the bottom shell side plate 1, and the length of the guide groove 13 is greater than that of the first rib 511.

[0084] Specifically, based on the movement characteristics of the crank-connecting rod structure, in the direction parallel to the plane where the bottom shell side plate 1 is located, the wind sweeping connecting rod 4 will only produce reciprocating motion in a specific linear direction, which is the direction orthogonal to the direction of the rotating shaft 61 of the motor 6. Therefore, the direction of the translational motion of the sealing plate 5 relative to the bottom shell side plate 1 is a reciprocating linear motion along the direction orthogonal to the rotating shaft 61 of the motor 6.

[0085] In order to improve the stability and reliability of the movement of the sealing plate 5, the second rib 51 is further designed in this embodiment. The second rib 51 is set to be a rectangle (more precisely, a rectangular frame), which is formed by four ribs connected end to end, and the protrusion height of one pair of mutually parallel first ribs 511 is higher than that of another pair of mutually parallel second ribs 512. A pair of mutually parallel guide grooves 13 are provided on the surface of the bottom shell side plate 1, as shown in the accompanying drawings. Figure 6 As shown, the guide groove 13 is strip-shaped and its extension direction is orthogonal to the rotating shaft 61 of the motor 6. In the assembled state, the second rib of the second rib 51 is in sealing contact with the surface of the bottom shell side plate 1, and the first retaining rib 511 with a higher protrusion height corresponds to the guide groove 13 and is partially embedded in the guide groove 13. The first retaining rib 511 preferably completely fills the guide groove 13 in the depth direction of the guide groove 13. The first retaining rib 511 will move in the guide groove 13 with the translation of the sealing plate 5, thereby achieving the guiding and stabilizing effect on the movement of the sealing plate 5, and the embedded cooperation between the first retaining rib 511 and the guide groove 13 further forms a labyrinth sealing structure, which can improve the sealing performance of the corresponding area.

[0086] Preferably, in order to ensure the guiding and sealing effects, the depth of the guide groove 13 is not less than 2 mm.

[0087] Example 4

[0088] An embodiment of the utility model provides an air-sweeping mechanism for an air conditioner, which includes the sealing structure of the air-sweeping mechanism of any of the above embodiments, and thus has all the technical effects possessed by the air-sweeping mechanism.

[0089] Example 5

[0090] The embodiment of the utility model provides an air conditioner, which includes the air conditioning wind sweeping mechanism of the above embodiment, and thus has all the technical effects possessed by the air conditioner.

[0091] In the description of the present invention, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "back", "inside", "outside", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0092] Although the present invention is described herein with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. It should therefore be understood that many modifications may be made to the exemplary embodiments, and other arrangements may be designed without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the features described in the various dependent claims and herein may be combined in a manner different from that described in the original claims. It may also be understood that the features described in conjunction with the individual embodiments may be used in other described embodiments.

Claims

1. A sealing structure of an air sweeping mechanism, characterized in that: include: The bottom shell side plate has a motor cavity and an air outlet cavity on both sides thereof, and the bottom shell side plate is provided with an assembly hole matched with the air sweeping connecting rod of the air conditioner; as well as A sealing plate is sleeved on the wind sweeping connecting rod, and the sealing plate is configured to always shield the assembly hole during the wind sweeping movement of the wind sweeping connecting rod. The sealing plate maintains sealing contact with the bottom shell side plate, and the sealing contact area surrounds the assembly hole.

2. The sealing structure of the air sweeping mechanism according to claim 1, characterized in that: The sealing plate is located at a side of the motor cavity, a limiting portion corresponding to the sealing plate is constructed in the motor cavity, and the sealing plate is limited between the limiting portion and the bottom shell side plate.

3. The sealing structure of the air sweeping mechanism according to claim 1, characterized in that: The surface of the bottom shell side plate is configured with a first rib that surrounds the assembly hole and is raised, and the first rib is in sealing contact with the surface of the sealing plate.

4. The sealing structure of the air sweeping mechanism according to claim 1 or 3, characterized in that: A second rib with an annular structure and protrusion is configured on the surface of the sealing plate. The second rib is in sealing contact with the surface of the bottom shell side plate, and the second rib surrounds the assembly hole.

5. The sealing structure of the air sweeping mechanism according to claim 4, characterized in that: The second rib is rectangular in shape as a whole, and includes two mutually parallel first ribs and two mutually parallel second ribs, and the extension direction of the first rib is orthogonal to the rotating shaft of the motor disposed in the motor cavity; Among them, the height of the protrusion of the first retaining rib is greater than that of the second retaining rib, the second retaining rib is in sealing contact with the surface of the bottom shell side plate, the first retaining rib is partially embedded in the guide groove constructed on the surface of the bottom shell side plate, and the length of the guide groove is greater than that of the first retaining rib.

6. The sealing structure of the air sweeping mechanism according to claim 4, characterized in that: The second rib and / or the first rib arranged on the bottom shell side plate and surrounding the assembly hole are configured as a double-layer rib structure, wherein the double-layer rib structure includes two circles of ribs spaced apart in the radial direction, and an annular groove for filling grease is formed between the two circles of ribs.

7. The sealing structure of the air sweeping mechanism according to claim 1, characterized in that: The sealing plate is provided with a through hole for the wind sweeping connecting rod to pass through. When the wind sweeping connecting rod passes through the through hole, the through hole can be completely filled. A groove for filling grease is constructed on the hole wall of the through hole.

8. The sealing structure of the air sweeping mechanism according to claim 1, characterized in that: A motor is arranged in the motor cavity, a rotating shaft of the motor is hinged to one end of the wind sweeping connecting rod through a transmission crank, and a radial dimension of the assembly hole is larger than a radial dimension of the wind sweeping connecting rod.

9. The sealing structure of the air sweeping mechanism according to claim 1 or 8, characterized in that: The bottom shell side plate is mounted with an outer shell via threaded fasteners, and the outer shell is buckled onto the bottom shell side plate and together with the bottom shell side plate, forms the motor cavity.

10. An air-conditioning sweeping mechanism, characterized in that: A sealing structure comprising an air sweeping mechanism as claimed in any one of claims 1 to 9.

11. An air conditioner, characterized in that: It includes the air conditioning sweeping mechanism as described in claim 10.

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