Sealing element structure

Abstract

The utility model belongs to the technical field of automobile accessories, and discloses a sealing element structure. One face of the sealing element structure is connected to an automobile firewall in a sealed mode, the other face of the sealing element structure is connected to an automobile air conditioner box in a sealed mode, the sealing element structure comprises a sealing element body and a first sealing part, the sealing element body is provided with a plurality of pipeline holes, and the pipeline holes can allow a plurality of pipelines to penetrate through in a one-to-one correspondence mode. The first sealing part comprises a first extending part and a first protruding part, the first extending part and the first protruding part are both of an annular structure, the first extending part is connected to the side wall of the pipeline hole and extends in the length direction of the pipeline, and the first protruding part is arranged on the inner wall of the first extending part and abuts against the pipeline. When a plurality of pipelines are arranged on the automobile firewall and the automobile air conditioning cabinet in a penetrating mode, the sealing performance between the automobile firewall and the automobile air conditioning cabinet can be guaranteed only through one sealing piece structure, the integrity of the sealing piece structure is improved, the sealing piece structure is simplified, and installation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive parts, in particular to a seal structure. Background Art

[0002] The automotive air-conditioning box is a core component for adjusting the air temperature, humidity, and air volume inside the vehicle. To achieve functions such as cooling and heating, the pipeline valves of the air-conditioning box need to pass through the firewall and be connected to the evaporator pipeline and the condenser pipeline. Therefore, holes need to be opened at corresponding positions on the firewall. To prevent water from directly invading the passenger compartment through the holes when the vehicle wades through water, which may cause vehicle damage and even affect the connection of circuits and other components, resulting in potential safety hazards, the holes in the firewall must be waterproof sealed.

[0003] Currently, a sealing sponge is provided between the automotive air-conditioning box and the automotive firewall, which functions as waterproof, oil-proof, noise reduction, and vibration isolation. Usually, due to the need to seal the evaporator pipeline and the condenser pipeline, two or three sponges are required between the automotive air-conditioning box and the automotive firewall. The number of sponges used is relatively large, and the pasted sponges may be damaged during the assembly process, thus affecting the sealing performance and resulting in the risk of air leakage, water leakage at the air-conditioning box, and water intrusion into the front compartment.

[0004] Therefore, there is an urgent need for a seal structure to solve the above problems. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a seal structure, and using only one such seal structure can ensure good sealing performance between the automotive air-conditioning box and the automotive firewall.

[0006] To achieve the above object, the utility model adopts the following technical solutions:

[0007] Provide a seal structure, one side of the seal structure is sealingly connected to the automotive firewall, and the other side of the seal structure is sealingly connected to the automotive air-conditioning box. The seal structure includes:

[0008] A seal body, the seal body is provided with a plurality of pipeline holes, and a plurality of pipelines can pass through the plurality of pipeline holes in a one-to-one correspondence;

[0009] A first sealing portion, the first sealing portion includes a first extension portion and a first protruding portion. Both the first extension portion and the first protruding portion are annular structures. The first extension portion is connected to the side wall of the pipeline hole and extends in the pipeline length direction. The first protruding portion is arranged on the inner wall of the first extension portion, and the first protruding portion abuts against the pipeline.

[0010] As an alternative to the seal structure, a plurality of the first protruding portions are provided, and the plurality of the first protruding portions are uniformly distributed on the inner wall of the first extending portion.

[0011] As an alternative to the seal structure, the seal structure further includes a second sealing portion that protrudes from a side of the seal body facing the vehicle firewall. The second sealing portion is an annular structure and extends circumferentially along the seal body, and the second sealing portion is sealingly connected to the vehicle firewall.

[0012] As an alternative to the seal structure, the second sealing portion includes a second extending portion and a second protruding portion. The second extending portion is connected to the seal body and protrudes toward the vehicle firewall, and the second protruding portion protrudes from a side wall of the second extending portion, and the second protruding portion abuts against the vehicle firewall.

[0013] As an alternative to the seal structure, a plurality of the second protruding portions are provided, and the plurality of the second protruding portions are uniformly distributed in a direction close to the vehicle firewall.

[0014] As an alternative to the seal structure, the seal structure further includes a third sealing portion that is connected to the seal body and protrudes toward the vehicle air-conditioning box. The third sealing portion is an annular structure, and the third sealing portion and the seal body form a sealing groove, and the sealing groove is sealingly connected to the vehicle air-conditioning box.

[0015] As an alternative to the seal structure, the third sealing portion surrounds at least one of the pipe holes.

[0016] As an alternative to the seal structure, the seal structure further includes a connecting member, one end of which is connected to the seal body and the other end of which is inserted into the vehicle air-conditioning box.

[0017] As an alternative to the seal structure, the connecting member includes a penetrating portion and a clamping head. One end of the penetrating portion is connected to the seal body, the other end of the penetrating portion is connected to the clamping head, and the clamping head is clamped to the vehicle air-conditioning box.

[0018] As an alternative to the seal structure, a plurality of the connecting members are provided, and the plurality of the connecting members are uniformly distributed circumferentially along the seal body.

[0019] Advantages of the present utility model:

[0020] The present utility model provides a seal structure, which includes a seal body and a first seal portion. One side of the seal body is connected to the automotive firewall, and the other side is connected to the automotive air conditioning box. The seal body is provided with a plurality of pipe holes, and a plurality of pipes correspond to the plurality of pipe holes one by one and can pass through the pipe holes. The first seal portion includes a first extension portion and a first protrusion portion, both of which are annular structures. The first extension portion is connected to the side wall of the pipe hole and extends in the pipe length direction, expanding the contact area between the seal structure and the pipe, which is beneficial to improving the sealing effect between the seal structure and the pipe. The first protrusion portion is located on the inner wall of the first extension portion. When the pipe passes through the pipe hole and the first seal portion, the first protrusion portion is in interference fit with the pipe so that the first protrusion portion can abut against the side wall of the pipe, further improving the sealing between the pipe and the seal structure. Through this seal structure, when a plurality of pipes pass through the automotive firewall and the automotive air conditioning box, only one such seal structure can ensure the sealing between the automotive firewall and the automotive air conditioning box, improving the integrity of the seal structure and simplifying the seal structure, which is convenient for installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is the first schematic structural view of the seal structure provided by the present utility model;

[0022] Figure 2 is the second schematic structural view of the seal structure provided by the present utility model;

[0023] Figure 3 is Figure 1 the sectional view at A in

[0024] Figure 4 is Figure 1 the sectional view at B in

[0025] Figure 5 is the schematic structural view of the connector of the seal structure provided by the present utility model.

[0026] In the figure:

[0027] 1. Seal body; 11. Pipe hole; 111. Condenser pipe hole; 112. Evaporator pipe hole;

[0028] 2. First seal portion; 21. First extension portion; 22. First protrusion portion;

[0029] 3. Second seal portion; 31. Second extension portion; 32. Second protrusion portion;

[0030] 4. Third seal portion; 41. Seal groove; 42. Connection portion; 43. Bending portion;

[0031] 5. Connector; 51. Passing portion; 52. Clamping joint. Detailed implementation manners

[0032] The present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that, for the sake of convenience of description, only the parts related to the present utility model rather than all the structures are shown in the accompanying drawings.

[0033] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0034] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely means that the horizontal height of the first feature is lower than that of the second feature.

[0035] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "right", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and do not have special meanings.

[0036] As Figures 1 to 5As shown in the figure, one side of the seal structure of this embodiment is sealingly connected to the automotive firewall, and the other side of the seal structure is sealingly connected to the automotive air conditioning box. The seal structure includes a seal body 1 and a first seal portion 2. The seal body 1 is provided with a plurality of pipe holes 11, and a plurality of pipes can pass through the plurality of pipe holes 11 in a one-to-one correspondence. The first seal portion 2 includes a first extension portion 21 and a first protrusion portion 22. Both the first extension portion 21 and the first protrusion portion 22 are annular structures. The first extension portion 21 is connected to the side wall of the pipe hole 11 and extends in the pipe length direction. The first protrusion portion 22 is provided on the inner wall of the first extension portion 21, and the first protrusion portion 22 abuts against the pipe.

[0037] The seal structure provided in this embodiment includes a seal body 1 and a first seal portion 2. One side of the seal body 1 is connected to the automotive firewall, and the other side is connected to the automotive air conditioning box. The seal body 1 is provided with a plurality of pipe holes 11. A plurality of pipes correspond to the plurality of pipe holes 11 one by one and can pass through the pipe holes 11. The first seal portion 2 includes a first extension portion 21 and a first protrusion portion 22 that are both annular structures. The first extension portion 21 is connected to the side wall of the pipe hole 11 and extends in the pipe length direction, which can increase the contact area between the seal structure and the pipe, and is beneficial to improving the sealing effect between the seal structure and the pipe. The first protrusion portion 22 is located on the inner wall of the first extension portion 21. When the pipe passes through the pipe hole 11 and the first seal portion 2, the first protrusion portion 22 is in interference fit with the pipe so that the first protrusion portion 22 can abut against the side wall of the pipe, further improving the sealing between the pipe and the seal structure. Through this seal structure, when a plurality of pipes pass through the automotive firewall and the automotive air conditioning box, only one such seal structure can ensure the sealing between the automotive firewall and the automotive air conditioning box, improve the integrity and sealing effect of the seal structure, reduce the number of seals used, simplify the seal structure, and facilitate installation.

[0038] In this embodiment, the pipe holes 11 include a condenser pipe hole 111 and an evaporator pipe hole 112. The condenser pipe hole 111 and the evaporator pipe hole 112 are arranged at intervals. There are two condenser pipe holes 111 and two evaporator pipe holes 112. The two condenser pipe holes 111 are arranged at intervals, and the two evaporator pipe holes 112 are close to each other. In some other embodiments, the number of pipe holes 11 can be set to one, two, five, six, etc., according to the usage quantity.

[0039] Optionally, a plurality of first protrusions 22 may be provided. The plurality of first protrusions 22 are evenly distributed on the inner wall of the first extension portion 21, such that the inner wall of the first extension portion 21 has a serrated structure, increasing the contact area between the first sealing portion 2 and the pipeline, further improving the sealing effect, and preventing air leakage and water leakage of the automotive air-conditioning box and water intrusion into the vehicle cabin from the front compartment. Exemplarily, two, three, four, etc. first protrusions 22 may be provided.

[0040] Furthermore, the seal structure further includes a second sealing portion 3. The second sealing portion 3 protrudes from a surface of the seal body 1 facing the automotive firewall. The second sealing portion 3 is a ring-shaped structure and extends circumferentially along the seal body 1. The second sealing portion 3 is sealingly connected to the automotive firewall. The second sealing portion 3 protrudes towards the automotive firewall. When the seal structure is connected to the automotive firewall, the second sealing portion 3 abuts against the automotive firewall and undergoes extrusion deformation, thereby increasing the contact area between the second sealing portion 3 and the automotive firewall and improving the sealing effect. In addition, by changing the degree of extrusion deformation of the second sealing portion 3, the distance between the seal body 1 and the automotive firewall can be changed, leaving sufficient deviation margin for the vehicle assembly process, ensuring that the compression amount after the assembly of the seal structure meets the requirements, and thus meeting the sealing requirements between the seal structure and the automotive firewall.

[0041] Specifically, the second sealing portion 3 includes a second extension portion 31 and second protrusions 32. The second extension portion 31 is connected to the seal body 1 and protrudes towards the automotive firewall. The second protrusions 32 protrude from the side wall of the second extension portion 31. The top of the second extension portion 31 and the second protrusions 32 can abut tightly against the automotive firewall. Optionally, a plurality of second protrusions 32 are provided. The plurality of second protrusions 32 are evenly distributed in the direction close to the automotive firewall, such that the side wall of the second sealing portion 3 has a serrated structure, increasing the contact area between the second sealing portion 3 and the automotive firewall and improving the sealing effect. Exemplarily, the second protrusions 32 may be provided as two, three, or four, etc. In this embodiment, the second extension portion 31 is a conical structure, facilitating the contact between the second protrusions 32 and the automotive firewall, and the second extension portion 31 has a small bending degree after extrusion deformation, which is beneficial to ensuring the service life of the seal structure.

[0042] Furthermore, the seal structure further includes a third sealing portion 4. The third sealing portion 4 is connected to the seal body 1 and protrudes towards the automotive air-conditioning box. The third sealing portion 4 is a ring-shaped structure. The third sealing portion 4 and the seal body 1 form a sealing groove 41. The sealing groove 41 is sealingly connected to the automotive air-conditioning box. Specifically, the third sealing portion includes a connecting portion 42 and a bending portion 43. The connecting portion is connected to the seal body 1 and extends towards the automotive air-conditioning box. The bending portion 43 is angularly connected to the connecting portion 42, facilitating the installation of the seal structure and being beneficial to clamping and sealing the automotive air-conditioning box and the seal structure.

[0043] Optionally, the third sealing portion 4 surrounds at least one pipe hole 11, facilitating the passage of the pipes connecting the automotive air-conditioning box through the sealing member structure. In this embodiment, two evaporator pipe holes 112 are surrounded within the third sealing portion 4.

[0044] Furthermore, the sealing member structure further includes a connecting member 5. One end of the connecting member 5 is connected to the sealing member body 1, and the other end is inserted into the automotive air-conditioning box. Specifically, the connecting member 5 includes a penetrating portion 51 and a clamping head 52. One end of the penetrating portion 51 is connected to the sealing member body 1, and the other end of the penetrating portion 51 is connected to the clamping head 52. The penetrating portion 51 can penetrate through the connecting hole formed on the automotive air-conditioning box. The cross-sectional area of a part of the clamping head 52 is larger than that of the connecting hole, such that the clamping head 52 can be clamped to the connecting hole of the automotive air-conditioning box. In this embodiment, a tapered surface structure is provided at one end of the clamping head 52 away from the penetrating portion 51, making it more labor-saving for the clamping head 52 to penetrate into the connecting hole. The connecting member 5 and the third sealing portion 4 cooperate with each other, making the connection between the sealing member structure and the automotive air-conditioning box more stable.

[0045] Optionally, a plurality of connecting members 5 are provided, and the plurality of connecting members 5 are evenly distributed along the circumferential direction of the sealing member body 1 to ensure the strength and stability of the connection structure. In this embodiment, six connecting members 5 are provided, and the number of the connecting members 5 can be adjusted according to the usage requirements.

[0046] Furthermore, the sealing member body 1 includes a honeycomb structure, which has a high degree of deformation, high structural strength, and can reduce the weight of the sealing member body 1.

[0047] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, rather than limiting the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the claims of the present invention.

Claims

1. A seal structure, one side of the seal structure is sealingly connected to the automotive firewall, and the other side of the seal structure is sealingly connected to the automotive air conditioning box, characterized in that, Comprising: A seal body (1), wherein the seal body (1) is provided with a plurality of pipe holes (11), and a plurality of the pipe holes (11) can accommodate a plurality of pipes to pass through in one-to-one correspondence; A first sealing portion (2), the first sealing portion (2) includes a first extension portion (21) and a first protrusion portion (22), both the first extension portion (21) and the first protrusion portion (22) are annular structures, the first extension portion (21) is connected to the side wall of the pipe hole (11) and extends in the pipe length direction, and the first protrusion portion (22) is provided on the inner wall of the first extension portion (21), and the first protrusion portion (22) abuts against the pipe.

2. The seal structure according to claim 1, wherein, A plurality of the first protrusion portions (22) are provided, and the plurality of the first protrusion portions (22) are evenly distributed on the inner wall of the first extension portion (21).

3. The seal structure according to claim 1, wherein, The seal structure further includes a second sealing portion (3), the second sealing portion (3) protrudes from a surface of the seal body (1) facing the vehicle firewall, the second sealing portion (3) is an annular structure and extends circumferentially along the seal body (1), and the second sealing portion (3) is sealingly connected to the vehicle firewall.

4. The seal structure according to claim 3, characterized in that, The second sealing portion (3) includes a second extension portion (31) and a second protrusion portion (32), the second extension portion (31) is connected to the seal body (1) and protrudes towards the vehicle firewall, and the second protrusion portion (32) protrudes from the side wall of the second extension portion (31), and the second protrusion portion (32) abuts against the vehicle firewall.

5. The seal structure according to claim 4, characterized in that, A plurality of the second protrusion portions (32) are provided, and the plurality of the second protrusion portions (32) are evenly distributed in a direction close to the vehicle firewall.

6. The seal structure according to claim 1, characterized in that, The seal structure further includes a third sealing portion (4), the third sealing portion (4) is connected to the seal body (1) and protrudes towards the vehicle air conditioning box, the third sealing portion (4) is an annular structure, and the third sealing portion (4) and the seal body (1) form a sealing groove (41), and the sealing groove (41) is sealingly connected to the vehicle air conditioning box.

7. The seal structure according to claim 6, wherein The third sealing portion (4) surrounds at least one of the pipe holes (11).

8. The seal structure according to claim 1, characterized in that The seal structure further includes a connector (5), one end of the connector (5) is connected to the seal body (1), and the other end is inserted into the vehicle air conditioning box.

9. The seal structure according to claim 8, characterized in that, The connector (5) includes a penetrating portion (51) and a clamping head (52), one end of the penetrating portion (51) is connected to the seal body (1), the other end of the penetrating portion (51) is connected to the clamping head (52), and the clamping head (52) is clamped to the vehicle air conditioning box.

10. The seal structure according to claim 8, wherein A plurality of the connectors (5) are provided, and the plurality of the connectors (5) are evenly distributed circumferentially along the seal body (1).

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