Wire passing rubber ring, wire passing structure and fresh air ventilator

Abstract

The embodiment of the utility model provides a wire passing rubber ring, a wire passing structure and a fresh air ventilator, the wire passing rubber ring comprises a sealing main body and a sealing pressing block with a connecting part and a wire body extrusion part, a sealing groove with a wire passing opening is formed in the sealing main body, the sealing pressing block is movably arranged on the sealing main body through the connecting part, and the wire passing opening is formed in the sealing pressing block. The wire passing opening is opened or closed through movement; and when the sealing pressing block is in a closed state of closing the wire passing opening, the wire body extrusion part extends into the sealing groove from the wire passing opening. The wire passing rubber ring provided by the embodiment of the utility model is convenient for wire passing and has good sealing performance.

Description

Technical Field

[0001] The present application relates to the technical field of electrical equipment, and in particular to a wire-passing rubber ring, a wire-passing structure and a fresh air fan. Background Art

[0002] A fan is an effective air purification device that can circulate indoor air. A fresh air fan generally has two air flow paths, one for exhaust air, which can exhaust indoor air to the outside, and the other for fresh air, which can bring outdoor air into the room.

[0003] In the related art, a partition is generally provided inside the fresh air fan to separate the exhaust passage and the fresh air passage. At the same time, a circular hole is provided on the partition to facilitate the wiring of components inside the fresh air fan.

[0004] However, if the size of the round hole is small, it is difficult for cables such as motor wires to pass through the round hole, and the threading efficiency is low. If the size of the round hole is large, there are risks of air leakage and noise and abnormal sounds. Utility Model Content

[0005] In view of this, the embodiments of the present application hope to provide a wire-passing rubber ring, a wire-passing structure and a fresh air fan that are convenient for wire passing and have good sealing properties.

[0006] To achieve the above object, an embodiment of the present application provides a wire-passing rubber ring, including:

[0007] A sealing body, wherein the sealing body is formed with a sealing groove having a wire passing opening;

[0008] A sealing pressing block having a connecting portion and a wire body extrusion portion, wherein the sealing pressing block is movably arranged on the sealing body through the connecting portion so as to open or close the wire passing opening by movement; when the sealing pressing block is in a closed state of closing the wire passing opening, the wire body extrusion portion extends from the wire passing opening into the sealing groove.

[0009] In one embodiment, the wire body extrusion portion is located on a side of the connecting portion close to the wire passing port, and when the sealing pressing block is in the closed state, the connecting portion is in sealing contact with the sealing body; and / or,

[0010] The thickness of the wire extrusion portion is smaller than the thickness of the connecting portion.

[0011] In one embodiment, the wire body extrusion portion includes an extrusion block and a sealing sheet having a thickness less than that of the extrusion block, the extrusion block is arranged at the connection portion, and the sealing sheet is arranged at a side of the extrusion block away from the connection portion.

[0012] In one embodiment, the side of the extrusion block facing away from the connection portion has an arcuate extrusion surface recessed toward the connection portion, and the side of the sealing groove opposite to the wire passing opening has an arcuate groove wall recessed toward the direction away from the wire passing opening.

[0013] In one embodiment, the sealing sheet is formed with strip holes having notches.

[0014] In one embodiment, the sealing body includes a main body portion having a recessed area and a sealing portion arranged in the recessed area, the sealing portion separates at least two sealing grooves in the recessed area, and the sealing block has the wire extrusion portions corresponding one-to-one to the sealing grooves, and when the sealing block is in the closed state, the connecting portion is in sealing contact with the sealing portion, and each of the wire extrusion portions extends into the corresponding sealing groove.

[0015] In one embodiment, the length of the sealing portion along a first direction along the height direction of the sealing rubber ring is smaller than the length of the main body portion.

[0016] In one embodiment, the connecting portion is rotatably connected to the main body, and the connecting portion is rotated to open or close the wire passing opening. The main body has a first avoidance groove, and the sealing portion has a second avoidance groove. The first avoidance groove and the second avoidance groove avoid the wire body extrusion portion.

[0017] Another embodiment of the present application provides a wire passing structure, including a mounting panel and the wire passing rubber ring described above, wherein the mounting panel has a mounting notch, and the wire passing rubber ring is arranged at the mounting notch.

[0018] In one embodiment, the outer peripheral side of the wire-passing rubber ring has a mounting groove, and at least a portion of the mounting panel located on the peripheral side of the mounting notch extends into the mounting groove.

[0019] In one embodiment, opposite sides of the installation notch respectively have installation buckles protruding from the side walls of the installation notch, and the installation groove of the wire-passing rubber ring has a slot that is recessed toward the interior of the wire-passing rubber ring and corresponds one-to-one to the installation buckles, and each installation buckle is inserted into the corresponding slot.

[0020] Yet another embodiment of the present application provides a new air fan, comprising the wire passing structure described above.

[0021] In one embodiment, the fresh air fan includes a shell, a cover plate, a partition and two fans, one side of the shell has a wire opening, the partition plate and the two fans are both arranged in the shell, and the two fans are respectively located on opposite sides of the partition plate, and the cover plate is arranged at the wire opening, wherein the partition plate is the installation panel.

[0022] In one embodiment, the cover plate abuts against the sealing pressing block.

[0023] The wire-passing rubber ring of the embodiment of the present application is provided with a sealing body and a sealing pressure block having a connecting portion and a wire body extrusion portion. The sealing body is formed with a sealing groove having a wire-passing opening. The wire body is directly inserted into the sealing groove from the wire-passing opening, which can reduce the difficulty of wire-passing operation and improve the convenience of operation. The sealing pressure block is movably arranged on the sealing body. The sealing pressure block closes the wire-passing opening by movement, which can play a good sealing role on the sealing groove. At the same time, the wire body extrusion portion extends from the wire-passing opening into the sealing groove and abuts against the wire body, which can further ensure the sealing effect of the wire-passing rubber ring. Therefore, the wire-passing rubber ring of the embodiment of the present application is convenient for wire passing and has good sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 Schematic diagram of the structure of a fresh air fan in an embodiment of the present application, in which the fresh air fan omits the cover plate, the thick black arrow in the figure indicates the first airflow path, and the hollow thick arrow indicates the second airflow path;

[0025] Figure 2 for Figure 1 The schematic diagram of the structure of the fresh air fan from another perspective is shown, in which the thick black arrows represent the first airflow path, and the hollow thick arrows represent the second airflow path;

[0026] Figure 3 for Figure 1 The structural schematic diagram of the fresh air fan shown in the figure is another perspective, in which the cover plate is omitted, the thick black arrow in the figure indicates the first air flow path, and the hollow thick arrow indicates the second air flow path;

[0027] Figure 4 for Figure 1 The structural schematic diagram of the line-crossing structure shown;

[0028] Figure 5 for Figure 4 A cross-sectional view of the wire-passing structure shown;

[0029] Figure 6 for Figure 4 The structural schematic diagram of the wire-passing rubber ring shown;

[0030] Figure 7 for Figure 4 A schematic diagram of the structure of the wire-passing rubber ring from another perspective shown;

[0031] Figure 8 for Figure 4 The structural diagram of the wire-passing rubber ring is shown, in which the sealing block is in a sealing state;

[0032] Fig. 9 for Figure 4 A cross-sectional view of the wire-passing rubber ring shown;

[0033] Fig.10 for Figure 4 The structural diagram of the installation panel is shown.

[0034] Description of reference numerals:

[0035] 10. Wire passing structure; 11. Wire passing rubber ring; 11a. Installation groove; 11a1. Card slot; 111. Sealing body; 111a. Sealing groove; 111a1. Wire passing opening; 111a2. Arc groove wall; 1111. Main body; 1111a. Concave area; 1111b. First avoidance groove; 1112. Sealing part; 1112a. Second avoidance groove; 112. Sealing block; 1121. Connecting part; 1122. Wire body extrusion Pressing part; 11221, extrusion block; 11221a, arc-shaped extrusion surface; 11222, sealing sheet; 11222a, strip hole; 12, installation panel; 12a, installation notch; 121, installation buckle; 20, housing; 20a, first air inlet; 20b, first air outlet; 20c, second air inlet; 20d, second air outlet; 30, cover plate; 40, heat exchange core; 50, fan; 60, wire body; 70, sensor. DETAILED DESCRIPTION

[0036] In the description of the embodiments of the present application, it should be noted that the term "height direction" is based on the attached Fig. 9 The orientation or position relationship shown. These orientation terms are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0037] The present application embodiment provides a wire-passing rubber ring 11, see Figures 6 to 9 The wire-passing rubber ring 11 includes a sealing body 111 and a sealing pressing block 112 .

[0038] The sealing body 111 is formed with a sealing groove 111a having a wire passing opening 111a1. The sealing pressing block 112 includes a connecting portion 1121 and a wire body pressing portion 1122. The sealing pressing block 112 is movably arranged on the sealing body 111 through the connecting portion 1121 to open or close the wire passing opening 111a1 through movement. When the sealing pressing block 112 is in a closed state of closing the wire passing opening 111a1, the wire body pressing portion 1122 extends from the wire passing opening 111a1 into the sealing groove 111a.

[0039] See also Figures 4 to 7The sealing groove 111a is used for the wire body 60 to pass through. The wire body 60 is a connecting wire for realizing electrical connection of electrical components. The wire passing opening 111a1 is an entrance for the wire body 60 to be inserted into the sealing groove 111a. The wire body 60 can be directly inserted into the sealing groove 111a through the wire opening 111a1.

[0040] The sealing pressing block 112 is used to seal the wire opening 111 a 1 of the sealing groove 111 a and abut against the wire body 60 .

[0041] In order to achieve a better sealing effect, illustratively, the sealing pressing block 112 may be in sealing contact with the sealing body 111 .

[0042] For example, see Figure 6 and Figure 7 The wire pressing part 1122 can be arranged on one side of the connecting part 1121 close to the wire passing opening 111a1, and when the sealing pressing block 112 is in a closed state, the connecting part 1121 is in sealing contact with the sealing body 111. That is, the wire passing opening 111a1 can be closed by the connecting part 1121 in sealing contact with the sealing body 111.

[0043] In other embodiments, the wire opening 111 a 1 may also be closed by the wire pressing portion 1122 being in sealing contact with the sealing body 111 .

[0044] The connecting portion 1121 is movably connected to the sealing body 111. Figure 6 The connecting portion 1121 in the embodiment opens or closes the wire opening 111a1 by rotating. In another embodiment, the connecting portion 1121 can also open or close the wire opening 111a1 by translating.

[0045] Exemplarily, the thickness of the wire pressing portion 1122 may be smaller than the thickness of the connecting portion 1121 , so that the wire pressing portion 1122 can extend into the sealing groove 111 a .

[0046] The wire-passing rubber ring 11 can be made of rubber material. Rubber has good elastic deformation ability, can produce greater deformation under a smaller force, and can restore its shape more quickly after the external force is removed. Therefore, the wire-passing rubber ring 11 can have good sealing and deformation ability.

[0047] The sealing body 111 and the sealing pressing block 112 can be integrally formed to reduce the number of parts of the wire-passing rubber ring 11 , improve production efficiency, and reduce production costs.

[0048] The present application also provides a wire-passing structure 10. Figure 4 and Figure 5 , including a mounting panel 12 and a wire-passing rubber ring 11 provided in any embodiment of the present application, the mounting panel 12 has a mounting notch 12a, and the wire-passing rubber ring 11 is arranged at the mounting notch 12a.

[0049] The present application also provides a new air blower 50, see Figures 1 to 3 The fresh air fan 50 includes the wire passing structure 10 provided in any embodiment of the present application.

[0050] Please continue reading Figures 1 to 3 The fresh air fan 50 includes a shell 20, a partition and two fans 50. One side of the shell 20 has an opening. The partition and the two fans 50 are both arranged in the shell 20, and the two fans 50 are respectively located on opposite sides of the partition. The cover plate 30 is covered at the opening, wherein the partition is the installation panel 12.

[0051] Specifically, see Figure 1 and Figure 3 The housing 20 has a first air inlet 20a, a first air outlet 20b, a second air inlet 20c and a second air outlet 20d, and a heat exchange core 40 is disposed in the housing 20. A first air flow path passing through the heat exchange core 40 and a cavity of a fan 50 is formed between the first air inlet 20a and the first air outlet 20b, and a second air flow path passing through the heat exchange core 40 and another cavity of the fan 50 is formed between the second air inlet 20c and the second air outlet 20d.

[0052] Figure 1 and Figure 3 The first air inlet 20a and the second air outlet 20d shown are connected to the outdoor environment respectively, and the second air inlet 20c and the first air outlet 20b are connected to the indoor environment respectively. That is to say, the first air flow path is a fresh air path, and the outdoor air flows into the indoor through the first air inlet 20a and the first air outlet 20b. The second air flow path is a return air path, and the indoor air flows to the outdoors through the second air inlet 20c and the second air outlet 20d.

[0053] In other embodiments, the first air flow path may be a return air path, and the second air flow path may be a fresh air path.

[0054] See also Figure 1 and Figure 3 The partition is used to separate two fan 50 chambers in the housing 20, and a fan 50 is respectively arranged in the two fan 50 chambers. The two fans 50 are used to drive the airflow to flow along the first airflow path and the second airflow path respectively, so as to realize the indoor and outdoor gas exchange.

[0055] See also Figures 1 to 3The installation notch 12a is located on the side of the partition close to the cover plate 30, and the wires 60 of the electrical components such as the fan 50 and the sensor 70 (such as the temperature sensor 70) of the fresh air fan 50 can be inserted into the sealing groove 111a of the wire rubber ring 11. When the sealing block 112 is in a sealed state of closing the wire opening 111a1, the wire extrusion portion 1122 extends from the wire opening 111a1 into the sealing groove 111a to close the sealing groove 111a.

[0056] Exemplarily, the cover plate 30 may abut against the sealing pressing block 112. By abutting the cover plate 30 against the sealing pressing block 112, loosening of the sealing pressing block 112 may be prevented, so as to ensure that the sealing pressing block 112 can maintain a closed state.

[0057] Since there are two air flow paths in different directions on both sides of the partition, in order to prevent the air flow in the first air flow path and the air flow in the second air flow path from interfering with and mixing with each other, the partition needs to have a certain degree of sealing, and the partition needs to pass the line. Therefore, the passing line position on the partition should preferably meet the requirements of both easy passing of the line and good sealing.

[0058] The wire-passing rubber ring 11 of the embodiment of the present application is provided with a sealing body 111 and a sealing pressing block 112 having a connecting portion 1121 and a wire body extrusion portion 1122. The sealing body 111 is formed with a sealing groove 111a having a wire-passing opening 111a1. The wire body 60 is directly inserted into the sealing groove 111a from the wire-passing opening 111a1, which can reduce the difficulty of wire-passing operation and improve the convenience of operation. The sealing pressing block 112 is movably arranged on the sealing body 111. The sealing pressing block 112 closes the wire-passing opening 111a1 by movement, which can play a good sealing role on the sealing groove 111a. At the same time, the wire body extrusion portion 1122 extends from the wire-passing opening 111a1 into the sealing groove 111a and abuts against the wire body 60, which can further ensure the sealing effect of the wire-passing rubber ring 11. Therefore, the wire-passing rubber ring 11 of the embodiment of the present application is convenient for wire passing and has good sealing performance.

[0059] It should be noted that the wire-passing rubber ring 11 of the embodiment of the present application is not limited to being used on the fresh air fan 50, and any other equipment that requires sealing can adopt the wire-passing rubber ring 11 of the embodiment of the present application.

[0060] In one embodiment, please refer to Figure 6 and Figure 7 The wire body extrusion portion 1122 includes an extrusion block 11221 and a sealing sheet 11222 whose thickness is less than that of the extrusion block 11221 . The extrusion block 11221 is arranged on the connecting portion 1121 , and the sealing sheet 11222 is arranged on a side of the extrusion block 11221 away from the connecting portion 1121 .

[0061] The squeezing block 11221 is used to squeeze the wire body 60 to fix the wire body 60 in the sealing groove 111 a to prevent the wire body 60 from loosening. The sealing sheet 11222 is used to cover the sealing groove 111 a to a certain extent in the extending direction of the wire body 60 .

[0062] The extrusion block 11221 is thicker and has better compressive strength and rigidity, ensuring that no excessive deformation will occur when the extrusion block 11221 extrude the wire body 60. The sealing sheet 11222 is thinner and has better deformation ability. When the wire body extrusion portion 1122 extends into the sealing groove 111a, the sealing sheet 11222 contacts the wire body 60 through deformation. Thus, a certain shielding of the sealing groove 111a can be achieved in the extension direction of the wire body 60, thereby further improving the sealing effect of the wire rubber ring 11.

[0063] It should be noted that the thickness refers to the distance between two side surfaces of the structure along the line body 60 in the line direction.

[0064] See also Figure 6 and Figure 7 In order to release the deformation stress of the sealing sheet 11222, the sealing sheet 11222 can be formed with a strip hole 11222a with a notch, and the wire body 60 can be inserted into the strip hole 11222a through the notch. Therefore, by providing the strip hole 11222a with a notch, the sealing effect of the wire rubber ring 11 can be further improved.

[0065] In one embodiment, please refer to Figure 7 The side of the extrusion block 11221 away from the connecting portion 1121 may have an arcuate extrusion surface 11221a that is recessed toward the connecting portion 1121, and the side of the sealing groove 111a opposite to the wire passing opening 111a1 may have an arcuate groove wall 111a2 that is recessed toward the direction away from the open wire passing opening 111a1.

[0066] The arcuate extrusion surface 11221a and the arcuate groove wall 111a2 can match the contour of the wire body 60. When the sealing block 112 is in a closed state of closing the wire opening 111a1, the wire body 60 can contact the arcuate extrusion surface 11221a and the arcuate groove wall 111a2 respectively. This can not only enhance the sealing effect, but also further improve the fixing effect of the wire body 60.

[0067] In one embodiment, please refer to Figure 6 and Figure 7The sealing body 111 may include a main body 1111 having a recessed area 1111a and a sealing part 1112 disposed in the recessed area 1111a. The sealing part 1112 separates at least two sealing grooves 111a in the recessed area 1111a. The sealing block 112 has a wire pressing part 1122 corresponding to the sealing grooves 111a. When the sealing block 112 is in a closed state, the connecting part 1121 is in sealing contact with the sealing part 1112, and each wire pressing part 1122 extends into the corresponding sealing groove 111a. In other words, the sealing body 111 may be provided with at least two sealing grooves 111a to allow different wires 60 to pass through.

[0068] For example, see Figures 6 to 8 The wire-passing rubber ring 11 may include a sealing portion 1112 and two sealing grooves 111a. The sealing portion 1112 is located between the two sealing grooves 111a. Accordingly, the sealing block 112 has two wire body extrusion portions 1122 corresponding to the two sealing grooves 111a. The two wire body extrusion portions 1122 are arranged at intervals, so that the connecting portion 1121 located between the two wire body extrusion portions 1122 can be in sealing contact with the sealing portion 1112 to seal the recessed area 1111a.

[0069] In some other embodiments, two or more sealing portions 1112 may be provided in the recessed area 1111a as required, and accordingly, the recessed area 1111a is separated into three or more sealing grooves 111a.

[0070] For example, see Figures 4 to 9 , the length of the sealing portion 1112 along the height direction of the sealing rubber ring can be less than the length of the main body 1111. In other words, the sealing portion 1112 is located in the recessed area 1111a, and when the sealing block 112 is in a sealed state, the connecting portion 1121 can extend into the recessed area 1111a, thereby making the structure of the wire-passing rubber ring 11 more compact and further enhancing the sealing effect of the wire-passing rubber ring 11.

[0071] In one embodiment, please refer to Figures 6 to 8 The connecting part 1121 can be rotatably connected to the main body 1111, that is, the connecting part 1121 is rotated to open or close the wire passing opening 111a1, the sealing part 1112 can be provided with a first avoidance groove 1111b, and the main body 1111 can be provided with a second avoidance groove 1112a, and the first avoidance groove 1111b and the second avoidance groove 1112a avoid the wire body extrusion part 1122.

[0072] Specifically, the connecting portion 1121 will drive the wire extrusion portion 1122 to rotate during the rotation. If the side walls of the sealing portion 1112 and the side walls of the main body 1111 are too close to the wire extrusion portion 1122, interference is likely to occur between the wire extrusion portion 1122 and the side walls of the sealing portion 1112 as well as between the wire extrusion portion 1122 and the side walls of the main body 1111, making it difficult for the wire extrusion portion 1122 to extend into the sealing groove 111a. Therefore, by providing the first avoidance groove 1111b and the second avoidance groove 1112a, it is possible to better prevent the wire extrusion portion 1122 from interfering with the side walls of the sealing portion 1112 and / or the side walls of the main body 1111 during the rotation, thereby facilitating the wire extrusion portion 1122 to extend into the sealing groove 111a.

[0073] Furthermore, for the wire-passing rubber ring 11 whose thickness of the wire body extrusion portion 1122 is smaller than that of the connecting portion 1121 , the length of the first avoidance groove 1111b and the second avoidance groove 1112a along the wire passing direction of the wire body 60 can be smaller than the thickness of the main body 1111 , thereby ensuring the sealing effect of the wire-passing rubber ring 11 .

[0074] In one embodiment, please refer to Figures 5 to 9 The outer peripheral side of the wire-passing rubber ring 11 has a mounting groove 11a, and at least a portion of the mounting panel 12 located on the peripheral side of the mounting notch 12a extends into the mounting groove 11a.

[0075] By extending the area around the installation notch 12a into the installation groove 11a, the wire-passing rubber ring 11 can be stably and firmly installed at the installation notch 12a.

[0076] For further information, see Figure 5 and Fig.10 The profile of the mounting groove 11a can match the profile of the mounting notch 12a so that as much area as possible around the mounting notch 12a extends into the mounting groove 11a, thereby increasing the contact area between the wire-passing rubber ring 11 and the mounting panel 12, ensuring the installation stability of the wire-passing rubber ring 11, and preventing the wire-passing rubber ring 11 from falling off the mounting panel 12.

[0077] See also Figure 5 and Fig. 9 The opposite sides of the installation notch 12a respectively have installation buckles 121 protruding from the side walls of the installation notch 12a. The installation groove 11a of the wire-passing rubber ring 11 has a slot 11a1 that is recessed toward the inside of the wire-passing rubber ring 11 and corresponds to the installation buckles 121 one by one. Each installation buckle 121 is inserted into the corresponding slot 11a1.

[0078] Through the cooperation between the mounting buckle 121 and the slot 11a1, not only can the wire-passing rubber ring 11 be stably mounted on the mounting panel 12, but also the wire-passing rubber ring 11 can be easily assembled and disassembled.

[0079] To further ensure the connection stability between the wire-passing rubber ring 11 and the mounting panel 12 , the mounting buckle 121 and the slot 11 a 1 may be interference-fitted.

[0080] In the description of the present application, the description with reference to the terms "in one embodiment", "in some embodiments", "in other embodiments", "in yet other embodiments", or "exemplary" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application. In the present application, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0081] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application are included in the protection scope of the present application.

Claims

1. A wire-passing rubber ring, characterized in that: include: A sealing body, wherein the sealing body is formed with a sealing groove having a wire passing opening; A sealing pressing block having a connecting portion and a wire body extrusion portion, wherein the sealing pressing block is movably arranged on the sealing body through the connecting portion so as to open or close the wire passing opening by movement; when the sealing pressing block is in a closed state of closing the wire passing opening, the wire body extrusion portion extends from the wire passing opening into the sealing groove.

2. The wire-passing rubber ring according to claim 1, characterized in that: The wire body extrusion portion is located on a side of the connecting portion close to the wire passing port, and when the sealing pressing block is in the closed state, the connecting portion is in sealing contact with the sealing body; and / or, The thickness of the wire extrusion portion is smaller than the thickness of the connecting portion.

3. The wire-passing rubber ring according to claim 1 or 2, characterized in that: The wire body extrusion portion includes an extrusion block and a sealing sheet with a thickness less than that of the extrusion block. The extrusion block is arranged at the connection portion, and the sealing sheet is arranged at a side of the extrusion block away from the connection portion.

4. The wire-passing rubber ring according to claim 3, characterized in that: The side of the extrusion block away from the connection portion has an arcuate extrusion surface recessed toward the connection portion, and the side of the sealing groove opposite to the wire passing opening has an arcuate groove wall recessed toward the direction away from the wire passing opening.

5. The wire-passing rubber ring according to claim 3, characterized in that: The sealing sheet is formed with a strip hole having a notch.

6. The wire-passing rubber ring according to claim 1 or 2, characterized in that: The sealing body includes a main body portion having a recessed area and a sealing portion arranged in the recessed area, the sealing portion separates at least two sealing grooves in the recessed area, the sealing pressing block has the wire body extrusion portions corresponding to the sealing grooves one by one, when the sealing pressing block is in the closed state, the connecting portion is in sealing contact with the sealing portion, and each of the wire body extrusion portions extends into the corresponding sealing groove.

7. The wire-passing rubber ring according to claim 6, characterized in that: The length of the sealing portion along the height direction of the sealing rubber ring is smaller than the length of the main body portion.

8. The wire-passing rubber ring according to claim 6, characterized in that: The connecting part is rotatably connected to the main body, and the connecting part opens or closes the wire passing opening by rotating. The main body has a first avoidance groove, and the sealing part has a second avoidance groove. The first avoidance groove and the second avoidance groove avoid the wire body extrusion part.

9. A wire passing structure, characterized in that: It comprises a mounting panel and the wire-passing rubber ring according to any one of claims 1 to 8, wherein the mounting panel has a mounting notch, and the wire-passing rubber ring is arranged at the mounting notch.

10. The wire passing structure according to claim 9, characterized in that: The outer peripheral side of the wire-passing rubber ring is provided with a mounting groove, and at least a part of the area of ​​the mounting panel located on the peripheral side of the mounting notch extends into the mounting groove.

11. The wire passing structure according to claim 10, characterized in that: The opposite sides of the installation notch are respectively provided with installation buckles protruding from the side walls of the installation notch, and the installation groove of the wire-passing rubber ring has a slot that is recessed toward the inside of the wire-passing rubber ring and corresponds to the installation buckles one by one, and each installation buckle is inserted into the corresponding slot.

12. A new air blower, characterized in that: It comprises the wire passing structure as described in any one of claims 9 to 11.

13. The fresh air blower according to claim 12, characterized in that: The fresh air fan includes a shell, a cover plate, a partition and two fans. One side of the shell has an opening. The partition plate and the two fans are arranged in the shell, and the two fans are respectively located on opposite sides of the partition plate. The cover plate is arranged at the opening, wherein the partition plate is the installation panel.

14. The fresh air blower according to claim 13, characterized in that: The cover plate abuts against the sealing pressing block.

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