Automobile cavity blocking foaming piece
By designing automotive cavity barrier foam parts with sealing, stable, stable, reinforced and coordinated components, the problem of the inability to adjust the size of the foam parts in the prior art is solved, and the flexible adaptation and efficient sealing effect of the foam parts are achieved.
Patent Information
- Application Number
- CN202422295104.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-09-20
AI Technical Summary
The existing automotive cavity barrier foam parts cannot be adjusted in actual use, resulting in the fact that different sheet metal notches can only be sealed by customized foam parts, which increases production time and reduces sealing efficiency. At the same time, the suitability of customized foam parts is poor.
An automotive cavity barrier foam piece including sealing components, smoothing components, stabilizing components, reinforcement components and collaborative components is designed. By the combination of these components, the size of the foam piece can be adjusted during use by heating and injecting fluid foaming materials to adapt to sheet metal cavity of different shapes.
It realizes flexible adjustment of the size of foamed parts, improves the applicability and sealing effect of foamed parts, reduces the demand and production time of customized foamed parts, and improves the efficiency of sheet metal sealing.
Smart Images

Figure CN222988105U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automotive cavity sealing, in particular to an automotive cavity barrier foam part. Background Art
[0002] In the process of automotive product development, due to the body structure design, there will inevitably be some cavities connecting the inside and outside of the vehicle, resulting in environmental factors such as dust, water vapor, air flow, noise, and heat outside the vehicle entering the vehicle interior, that is, the body leakage problem. To solve this problem and improve the sealing performance and comfort of the vehicle, designers have designed various sealing structures to prevent external environmental factors from entering the vehicle body. Among them, the automotive cavity filling technology is an important application technology.
[0003] The existing automotive cavity barrier foam parts are inconvenient to seal and fill the threaded holes on the skeleton body during the later heating process, resulting in poor overall sealing performance;
[0004] The existing patent (Publication No.: CN210284141U), an automotive cavity barrier foam part, in this utility model, a foam part main body adapted to its size is arranged at the outer end of the sheet metal cavity, so that the foam part main body first seals the outer end of the sheet metal cavity through heating and expansion, and then uses a screw hole filling component corresponding to the position of the threaded holes on the sheet metal one by one, so that the heated screw hole filling component fills the threaded holes on the sheet metal, thereby achieving the purpose of enhancing the sealing effect and sound insulation effect. This utility model also opens an injection hole in the middle of the foam part, and injects a fluid foaming material through the injection hole, thereby achieving the effect of fully sealing and blocking the sheet metal cavity.
[0005] Regarding the above problems, the existing patent gives a solution, but in the actual use process, the size of the foam part cannot be adjusted, so that different sheet metal gaps can only be sealed by customizing the foam part, resulting in the need for additional time to manufacture the foam part, affecting the efficiency of sheet metal sealing, and at the same time, the applicability of the customized foam part is poor.
[0006] Therefore, an automotive cavity barrier foam part is proposed. Summary of the Utility Model
[0007] The purpose of the utility model is to provide an automotive cavity barrier foam part, which can solve the problem that the size of the existing automotive cavity barrier foam part cannot be adjusted in the actual use process, so that different sheet metal gaps can only be sealed by customizing the foam part, resulting in the need for additional time to manufacture the foam part, affecting the efficiency of sheet metal sealing, and at the same time, the applicability of the customized foam part is poor.
[0008] To achieve the above object, the present utility model provides the following technical solutions: an automotive cavity barrier foam member, including a foam member body, a sealing assembly is provided on one side of the foam member body, a stabilizing assembly is provided on one side of the sealing assembly, a stabilizing component is provided on one side of the sealing assembly, a reinforcing component is provided on one side of the sealing assembly, and a cooperative component is provided on one side of the sealing assembly;
[0009] The sealing assembly includes a sliding chamber, a sliding shell, a fixing groove, a rotating cylinder, a threaded rod, and an injection hole. The sliding chamber is opened on one side of the foam member body. The sliding shell is slidably connected to the inside of the sliding chamber. A plurality of fixing grooves are opened on one side of the foam member body. The rotating cylinder is rotatably connected to one side of the fixing groove. The threaded rod is rotatably connected to the inside of the sliding shell and is threadedly connected to the inside of the rotating cylinder. The injection hole is provided on one side of the foam member body.
[0010] Preferably, the stabilizing assembly includes a stabilizing groove and a stabilizing block. The stabilizing groove is opened on one side of the foam member body. The stabilizing block is fixedly connected to the bottom of the sliding shell and is slidably connected to the inside of the stabilizing groove.
[0011] Preferably, the stabilizing component includes a stabilizing groove and a stabilizing rod. Two stabilizing grooves are opened on one side of the foam member body. Two stabilizing rods are fixedly connected to the inside of the sliding shell and are slidably connected to the inside of the stabilizing groove.
[0012] Preferably, the reinforcing component includes a reinforcing groove and a reinforcing rod. The reinforcing groove is opened on one side of the threaded rod. The reinforcing rod is fixedly connected to one side of the rotating cylinder and is slidably connected to the inside of the reinforcing groove.
[0013] Preferably, the cooperative component includes a cooperative groove and a cooperative ring. The cooperative groove is opened inside the foam member body. The cooperative ring is fixedly connected to one side of the rotating cylinder and is rotatably connected to the inside of the cooperative groove.
[0014] Preferably, a square groove is opened on one side of the rotating cylinder, and the square groove is used to rotate the rotating cylinder more conveniently.
[0015] Preferably, a sealing cover is snap-connected to one side of the injection hole, and the sealing cover is made of stainless steel.
[0016] Preferably, a sound-absorbing layer is provided on one side of the foam member body, and the sound-absorbing layer is made of sound-absorbing cotton.
[0017] Compared with the prior art, the beneficial effects of the present utility model are:
[0018] 1. The present application is provided with a sealing assembly and a stabilizing assembly. When in use, when it is necessary to block and seal the outer end of the sheet metal cavity, rotate the rotating cylinder, drive the threaded rod to move inside the rotating cylinder, drive the sliding shell to slide inside the sliding bin, drive the stabilizing block to slide inside the stabilizing groove, so that the sliding shell extends out from the inside of the foaming part body until it fits the shape of the outer end of the sheet metal cavity. Then, place the foaming part body inside the inner side of the outer end of the sheet metal cavity, heat the foaming part body, so that the foaming part body completely fills the outer end of the sheet metal cavity. Then, inject the fluid foaming material into the sheet metal cavity through the injection hole, so that the size of the foaming part body can be adjusted, the applicability of the foaming part body is improved, and at the same time, the effect of completely sealing and blocking the sheet metal cavity is achieved.
[0019] 2. The present application is provided with a stabilizing assembly, a reinforcing assembly and a collaborative assembly. When in use, the sliding of the sliding shell inside the sliding bin will drive the stabilizing rod to slide inside the stabilizing groove, drive the reinforcing rod to slide inside the reinforcing groove, and drive the collaborative ring to rotate inside the collaborative groove, so as to improve the stability of the sliding shell when sliding inside the sliding bin, and at the same time increase the support strength of the sliding shell. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0021] Figure 1 is the overall structural view of the present invention;
[0022] Figure 2 is the right view of the present invention;
[0023] Figure 3 is the present invention Figure 2 the sectional three-dimensional structural schematic diagram at A-A in;
[0024] Figure 4 is Figure 3 the partial structural schematic diagram in;
[0025] Figure 5 is Figure 1 the partial structural schematic diagram in.
[0026] Explanation of the reference numerals in the drawings:
[0027] 1. Foaming part body; 2. Sealing component; 3. Stabilizing component; 4. Stabilization component; 5. Reinforcement component; 6. Coordination component; 201. Sliding bin; 202. Sliding shell; 203. Fixed groove; 204. Rotating cylinder; 205. Threaded rod; 206. Injection hole; 301. Stabilizing groove; 302. Stabilizing block; 401. Stabilization groove; 402. Stabilization rod; 501. Reinforcement groove; 502. Reinforcement rod; 601. Coordination groove; 602. Coordination ring; 7. Square groove; 8. Sealing cover; 9. Sound-absorbing layer. Detailed implementation mode
[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0029] Please refer to Figures 1 to 5 , the present invention provides a technical solution:
[0030] An automotive cavity barrier foaming part, including a foaming part body 1, a sealing component 2 is arranged on one side of the foaming part body 1, a stabilizing component 3 is arranged on one side of the sealing component 2, a stabilization component 4 is arranged on one side of the sealing component 2, a reinforcement component 5 is arranged on one side of the sealing component 2, and a coordination component 6 is arranged on one side of the sealing component 2;
[0031] The sealing component 2 includes a sliding bin 201, a sliding shell 202, a fixed groove 203, a rotating cylinder 204, a threaded rod 205 and an injection hole 206. The sliding bin 201 is opened on one side of the foaming part body 1. The sliding shell 202 is slidably connected to the inside of the sliding bin 201. A plurality of fixed grooves 203 are opened on one side of the foaming part body 1. The rotating cylinder 204 is rotatably connected to one side of the fixed groove 203. The threaded rod 205 is rotatably connected to the inside of the sliding shell 202 and is threadedly connected to the inside of the rotating cylinder 204. The injection hole 206 is arranged on one side of the foaming part body 1.
[0032] Specifically, as Figure 4 shown, the stabilizing component 3 includes a stabilizing groove 301 and a stabilizing block 302. The stabilizing groove 301 is opened on one side of the foaming part body 1. The stabilizing block 302 is fixedly connected to the bottom of the sliding shell 202 and is slidably connected to the inside of the stabilizing groove 301.
[0033] During use, when it is necessary to block and seal the outer end of the sheet metal cavity, rotate the rotating cylinder 204 to drive the threaded rod 205 to move inside the rotating cylinder 204, drive the sliding shell 202 to slide inside the sliding bin 201, drive the stabilizing block 302 to slide inside the stabilizing groove 301, so that the sliding shell 202 extends from inside the foam part body 1 until it fits the shape of the outer end of the sheet metal cavity. Then place the foam part body 1 inside the outer end of the sheet metal cavity, heat the foam part body 1 so that the foam part body 1 completely fills the outer end of the sheet metal cavity, and then inject fluid foaming material into the sheet metal cavity through the injection hole 206, enabling the size of the foam part body 1 to be adjusted, improving the applicability of the foam part body 1, and simultaneously achieving the effect of completely sealing and blocking the sheet metal cavity.
[0034] Specifically, as Figure 4 shown, the stabilizing component 4 includes a stabilizing groove 401 and a stabilizing rod 402. Two stabilizing grooves 401 are opened on one side of the foam part body 1, and two stabilizing rods 402 are fixedly connected to the inner side of the sliding shell 202 and slidably connected to the inside of the stabilizing groove 401.
[0035] Specifically, as Figure 4 shown, the reinforcing component 5 includes a reinforcing groove 501 and a reinforcing rod 502. The reinforcing groove 501 is opened on one side of the threaded rod 205, and the reinforcing rod 502 is fixedly connected to one side of the rotating cylinder 204 and slidably connected to the inside of the reinforcing groove 501.
[0036] Specifically, as Figure 4 shown, the cooperative component 6 includes a cooperative groove 601 and a cooperative ring 602. The cooperative groove 601 is opened inside the foam part body 1, and the cooperative ring 602 is fixedly connected to one side of the rotating cylinder 204 and rotatably connected to the inside of the cooperative groove 601.
[0037] During use, when the sliding shell 202 slides inside the sliding bin 201, it will drive the stabilizing rod 402 to slide inside the stabilizing groove 401, drive the reinforcing rod 502 to slide inside the reinforcing groove 501, and drive the cooperative ring 602 to rotate inside the cooperative groove 601, thereby enhancing the stability of the sliding shell 202 when sliding inside the sliding bin 201 and simultaneously increasing the support strength of the sliding shell 202.
[0038] Specifically, as Figure 5 shown, a square groove 7 is opened on one side of the rotating cylinder 204, and the square groove 7 is used to more conveniently rotate the rotating cylinder 204.
[0039] Specifically, as Figure 5 shown, a sealing cover 8 is clamped on one side of the injection hole 206, and the sealing cover 8 is made of stainless steel.
[0040] Specifically, as Figure 5As shown in the figure, a sound-absorbing layer 9 is provided on one side of the foam part body 1, and the material of the sound-absorbing layer 9 is sound-absorbing cotton.
[0041] During use, the rotating cylinder 204 can be rotated more conveniently, the sealing cover 8 can seal the injection hole 206, and the sound-absorbing layer 9 can improve the noise reduction effect of the foam part body 1.
[0042] By adopting the above technical solution, the problem that the size of the existing automotive cavity barrier foam part cannot be adjusted during actual use, so that different sheet metal notches can only be sealed by customizing the foam part, resulting in the need for additional time to manufacture the foam part, affecting the efficiency of sheet metal sealing, and the poor applicability of the customized foam part is solved.
[0043] Working principle: When this application is in use, first, when it is necessary to block and seal the outer end of the sheet metal cavity, rotate the rotating cylinder 204 to drive the threaded rod 205 to move inside the rotating cylinder 204, drive the sliding shell 202 to slide inside the sliding chamber 201, drive the stabilizing rod 402 to slide inside the stabilizing groove 401, drive the reinforcing rod 502 to slide inside the reinforcing groove 501, drive the cooperative ring 602 to rotate inside the cooperative groove 601, and drive the stabilizing block 302 to slide inside the stabilizing groove 301, so that the sliding shell 202 extends out from the inside of the foam part body 1 until it reaches the shape suitable for the outer end of the sheet metal cavity. Then, place the foam part body 1 on the inner side of the outer end of the sheet metal cavity, heat the foam part body 1 so that the foam part body 1 completely fills the outer end of the sheet metal cavity, and then inject the fluid foaming material into the sheet metal cavity through the injection hole 206, so that the size of the foam part body 1 can be adjusted, the applicability of the foam part body 1 can be improved, and at the same time, the effect of completely sealing and blocking the sheet metal cavity can be achieved.
[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. An automobile cavity barrier foam component, comprising a foam component body (1), characterized in that: A sealing component (2) is provided on one side of the foam body (1), a stabilizing component (3) is provided on one side of the sealing component (2), a stabilizing component (4) is provided on one side of the sealing component (2), a reinforcing component (5) is provided on one side of the sealing component (2), and a cooperating component (6) is provided on one side of the sealing component (2); The sealing assembly (2) comprises a sliding bin (201), a sliding shell (202), a fixed groove (203), a rotating cylinder (204), a threaded rod (205) and an injection hole (206); the sliding bin (201) is provided on one side of the foam body (1); the sliding shell (202) is slidably connected to the inside of the sliding bin (201); a plurality of the fixed grooves (203) are provided on one side of the foam body (1); the rotating cylinder (204) is rotatably connected to one side of the fixed grooves (203); the threaded rod (205) is rotatably connected to the inner side of the sliding shell (202) and is threadedly connected to the inside of the rotating cylinder (204); and the injection hole (206) is provided on one side of the foam body (1).
2. The automobile cavity barrier foam component according to claim 1, characterized in that: The stabilizing component (3) comprises a stabilizing groove (301) and a stabilizing block (302); the stabilizing groove (301) is opened on one side of the foam body (1); the stabilizing block (302) is fixedly connected to the bottom of the sliding shell (202) and slidably connected to the inside of the stabilizing groove (301).
3. The automobile cavity barrier foam component according to claim 1, characterized in that: The stabilizing assembly (4) comprises a stabilizing groove (401) and a stabilizing rod (402), wherein the two stabilizing grooves (401) are opened on one side of the foam body (1), and the two stabilizing rods (402) are fixedly connected to the inner side of the sliding shell (202) and slidably connected to the inside of the stabilizing grooves (401).
4. The automobile cavity barrier foam component according to claim 1, characterized in that: The reinforcement assembly (5) comprises a reinforcement groove (501) and a reinforcement rod (502); the reinforcement groove (501) is opened on one side of the threaded rod (205); the reinforcement rod (502) is fixedly connected to one side of the rotating cylinder (204) and slidably connected to the inside of the reinforcement groove (501).
5. The automobile cavity barrier foam component according to claim 1, characterized in that: The cooperative component (6) comprises a cooperative groove (601) and a cooperative ring (602); the cooperative groove (601) is opened inside the foam body (1); and the cooperative ring (602) is fixedly connected to one side of the rotating cylinder (204) and rotatably connected to the inside of the cooperative groove (601).
6. The automobile cavity barrier foam component according to claim 1, characterized in that: A square groove (7) is provided on one side of the rotating cylinder (204), and the square groove (7) is used to more conveniently rotate the rotating cylinder (204).
7. The automobile cavity barrier foam component according to claim 1, characterized in that: A sealing cover (8) is clamped on one side of the injection hole (206), and the sealing cover (8) is made of stainless steel.
8. The automobile cavity barrier foam component according to claim 1, characterized in that: A sound-absorbing layer (9) is provided on one side of the foam body (1), and the material of the sound-absorbing layer (9) is sound-absorbing cotton.
Citation Information
Patent Citations
Automobile cavity blocking foaming part
CN210284141U