CN216709205U - Skin reinforcing modification structure and automobile interior trim panel assembly part comprising same - Google Patents
Skin reinforcing modification structure and automobile interior trim panel assembly part comprising same Download PDFInfo
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- CN216709205U CN216709205U CN202123101926.4U CN202123101926U CN216709205U CN 216709205 U CN216709205 U CN 216709205U CN 202123101926 U CN202123101926 U CN 202123101926U CN 216709205 U CN216709205 U CN 216709205U
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- cover plate
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Abstract
The utility model provides a surface enhanced modified structure and an automotive interior trim panel assembly part comprising the same. Wherein, the modified structure is strengthened to the epidermis is used for covering on the apron body of the safety device in the vehicle, includes: the safety device comprises a cover plate body, a safety device and a safety device, wherein the cover plate body comprises a fixing part and a jacking part which is connected with the fixing part and can be jacked open when the safety device is triggered; a reinforced modified membrane structure disposed in a thin film on a back side of the skin at the open top. According to the epidermis reinforcing and modifying structure provided by the embodiment of the utility model, the reinforcing and modifying film structure is arranged on the back surface of the epidermis of the top opening part, so that the mechanical property under a low-temperature environment can be enhanced, unnecessary cracking and splashing can be greatly reduced or improved, meanwhile, the severer experiment conditions and standards can be met by locally arranging the reinforcing and modifying film structure, and the cost can be effectively reduced.
Description
Technical Field
The utility model relates to the technical field of vehicle manufacturing, in particular to a surface enhanced modified structure and an automobile interior trim panel assembly part comprising the same.
Background
With the development of the automobile manufacturing industry, safety devices such as airbags have become essential devices on vehicles as important means for securing passengers. The vehicle bumper can be rapidly expanded and popped up when a vehicle is collided, and the safety of passengers is protected by utilizing the buffering force.
The airbag is generally disposed inside a steering wheel or an instrument panel, and the airbag is covered with a cover plate, and a surface of the cover plate may be covered with a surface finishing skin structure in order to make an interior of the automobile beautiful. The cover plate comprises the ejection part, when a vehicle collides, the safety airbag expands to eject the ejection part, and further tears the surface decorative skin structure, so that the safety protection is provided for a driver and passengers by ejecting.
The existing surface covering on the cover plate is usually made of PVC or other materials with poor low-temperature mechanical properties, so that the safety air bag is easy to crack and splash due to poor low-temperature mechanical properties of the surface covering material when the safety air bag is unfolded at low temperature, and potential risks exist for passengers.
To solve such a risk, a skin covering the cover plate may be formed using a material having good low-temperature properties, which will certainly increase the manufacturing cost to a large extent.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a skin reinforcing modification structure for a cover plate of a safety device covering a vehicle, which can reduce safety risks and meet safety requirements at low temperatures, and which is lower in cost.
Another aspect of the present invention is to provide an automotive trim panel assembly part that meets safety requirements.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the skin-reinforcing modification structure according to an embodiment of a first aspect of the utility model, for covering a cover plate body of a safety device in a vehicle, includes:
the safety device comprises a cover plate body, a safety device and a safety device, wherein the cover plate body comprises a fixing part and a jacking part which is connected with the fixing part and can be jacked open when the safety device is triggered;
a reinforced modified membrane structure disposed in a thin film on a back side of the skin at the open top.
Furthermore, the reinforced modified film structure is any one of a thermoplastic polyolefin product, a thermoplastic polyurethane elastomer product, a thermoplastic vulcanized rubber product and a polyurethane product.
Further, the reinforced modified film structure is formed as a film-like roll tape.
Further, the thickness of the reinforced modified film structure is 1/15-1/5 of the thickness of the skin.
Further, the surface skin is located at the top opening part, and a weakening line is arranged on the composite part of the reinforced modified membrane structure and the surface skin.
Further, a coating layer for enhancing the surface polarity is arranged between the back surface of the surface skin and the reinforced modified film structure.
Further, the side of the reinforced modified membrane structure far away from the top opening part is also provided with the coating layer for enhancing the surface polarity.
Further, the surface skin is made of polyvinyl chloride materials.
According to the automotive trim panel assembly part of the second aspect of the utility model, the skin reinforcement modification structure on the cover plate for covering the safety device in the vehicle is integrated in the automotive trim panel assembly part.
The technical scheme of the utility model at least has one of the following beneficial effects:
the surface skin reinforcing and modifying structure used for covering the cover plate of the safety device in the vehicle comprises the surface skin covering the cover plate body, the cover plate body comprises a fixing part and a jacking part which is connected with the fixing part and can be jacked open when the safety device is triggered, wherein the reinforcing and modifying film structure is arranged on the back surface of the surface skin covering the jacking part of the cover plate, the reinforcing and modifying film structure is arranged on the back surface of the surface skin of the jacking part, the mechanical performance in a low-temperature environment can be enhanced, the unnecessary breakage is greatly reduced or improved, meanwhile, the severer experiment conditions and standards can be met by locally arranging the reinforcing and modifying film structure, and the cost can be effectively reduced.
Furthermore, the reinforced modified film structure is prepared by the film-like coiled material adhesive tape, so that the mechanical strength of the original skin under a low-temperature environment can be enhanced, and the adhesive tape is attached to the back surface of the skin positioned at the top opening part, when the top opening part is impacted and is pushed open, the directly affected top opening part and the part affected by the explosion energy can be effectively bonded without splashing due to the bonding effect between the adhesive tape and the skin, and the risk is further reduced;
furthermore, the coating for enhancing the surface polarity is arranged on the side, which is in contact with the back surface of the top opening part of the surface skin, of the film-like coiled material adhesive tape, so that the bonding strength between the structure of the enhanced modified film and the surface skin can be effectively improved, and the coating for enhancing the surface polarity is arranged on the other side surface, which is far away from the surface skin, of the film-like coiled material adhesive tape, so that the bonding strength between the composite structure formed by the enhanced modified film and the surface skin and the foaming layer can be effectively improved in the subsequent foaming link.
Drawings
Fig. 1 is a rear view of a skin reinforcing modification structure for covering a cover plate of a safety device in a vehicle according to an embodiment of the present invention, in which (a) shows a schematic view showing the position and size of a reinforcing modification film structure with respect to a line of weakness, and (b) shows a schematic view after the reinforcing modification film structure is provided;
fig. 2 is a schematic view of one mode of processing a skin reinforcing modification structure for covering a cover plate of a safety device in a vehicle according to an embodiment of the present invention, (a) shows a perspective view, and (b) shows a side view;
fig. 3 is a schematic view of another mode of processing a skin reinforcing modification structure for covering a cover plate of a safety device in a vehicle according to an embodiment of the present invention, (a) shows a perspective view, and (b) shows a side view;
fig. 4 shows a composite structure of a skin and a reinforcing modified film for covering a cover sheet of a safety device in a vehicle according to an embodiment of the present invention, (a) shows a schematic view before composite, and (b) shows a schematic view after composite.
Reference numerals:
a fixed part 11, a top opening part 12, a reinforced modified membrane structure 13, a film-like adhesive tape roll 30, a film-like coiled material adhesive tape 31, an upper roller 21, a lower roller 22 and a foaming layer 40.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical or chemical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
First, a skin reinforcement modification structure for covering a cover plate of a safety device in a vehicle according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 shows a rear view of a skin-reinforcing modification structure for covering a cover plate of a safety device in a vehicle according to an embodiment of the present invention, in which a) shows a schematic view showing the position and size of a reinforcing modification film structure with respect to a weakening line, and (b) shows a schematic view after the reinforcing modification film structure is provided.
As shown in fig. 1, the skin reinforcing modification structure for covering a cover plate of a safety device in a vehicle according to an embodiment of the present invention includes a skin and reinforcing modification film structure 13 covering a cover plate body. A skin covering the cover body, wherein the cover body comprises a fixed part 11 and an ejecting part 12 which is connected with the fixed part 11 and can be ejected when the safety device is triggered (except the range from the tearing line to the hinge, the fixed part is still calculated). As shown in fig. 1 (b), the reinforcing modified film structure 13 is provided on the back surface of the roof panel at the top opening 12.
That is, a reinforcing modified film structure 13 is provided on the rear surface of the roof panel at the roof opening 12 (i.e., the surface on the side closer to the vehicle body, i.e., the rear surface of the roof panel). Because the part of the skin covering the cover plate and positioned at the top opening part 12 needs to meet the requirements of being easily pushed open along the weakening line when encountering impact and needing to have enough mechanical property to greatly reduce or improve unnecessary fracture under the low-temperature environment, the mechanical property of the skin covering the cover plate and positioned at the top opening part 12 under the low-temperature environment can be improved by arranging the reinforced modified film structure 13, the whole skin covering the cover plate body is not required to be prepared by a material with good low-temperature property, and the cost can be effectively reduced.
Further, as the reinforced modified film structure 13, for example, any one of a thermoplastic polyolefin-based product, a thermoplastic polyurethane elastomer product, a thermoplastic vulcanizate product, a polyurethane-based product, or other materials having excellent low-temperature mechanical properties can be used. The materials have the characteristic of high mechanical strength under the low-temperature condition, and the reinforced modified membrane structure 13 formed by the materials can enable the composite structure formed by the reinforced modified membrane and the surface skin to achieve higher mechanical strength under the low-temperature environment.
Further, the reinforcing modified film structure 13 is formed as a film-like roll tape. That is, as the reinforcing modified film structure 13, a film-like roll tape form with a coating layer for reinforcing the surface polarity on both sides can be employed. The reinforcing modified film structure 13 is formed by using an adhesive tape, and may be formed by, for example, vacuum-assisted adhesion, press-fitting, or the like.
In addition, the reinforced modified film structure 13 is prepared by the film-like coiled material adhesive tape, so that the mechanical strength of the original skin under a low-temperature environment can be enhanced, the adhesive tape is attached to the back surface of the skin positioned at the jacking part, when the jacking part 12 is impacted and jacked open, the jacking part directly affected and the part subjected to the blasting energy can be effectively bonded and cannot splash due to the bonding effect between the adhesive tape and the skin, and the safety coefficient is further improved.
Fig. 2 shows a schematic view of one way of processing a skin-reinforcing modification structure for covering a cover plate of a safety device in a vehicle according to an embodiment of the present invention.
As shown in fig. 2, the film-like roll tape may be laminated on the portion of the skin at the open top 12 by roll pressing. In fig. 2, as shown in (a) and (b), the upper roller 21 rotates counterclockwise, the lower roller 22 rotates clockwise, the film-like roll tape 31 and the skin subsequently coated on the cover plate are placed between the upper roller 21 and the lower roller 22, the skin subsequently coated on the cover plate is pushed out from left to right and moved to the right as the upper and lower rollers rotate, the film-like roll tape 31 is pressed on the portion of the skin located at the open-top portion 12 by the upper and lower rollers, and the reinforcing modified film structure 13 is formed on the portion of the skin located at the open-top portion 12 by cutting after the pressing.
Further, as shown in fig. 3, the upper roller 21 rotates clockwise, the lower roller 22 rotates counterclockwise, the film-like web tape 31 and the skin covering the cover plate are interposed between the upper roller 21 and the lower roller 22, and the skin covering the cover plate is pushed from right to left and moved to left as the upper and lower rollers rotate. Thereby, the film-like roll tape 31 is pressed by the upper and lower rollers on the portion of the skin located at the open top portion 12, and the reinforcing modified film structure 13 is formed on the portion of the skin located at the open top portion 12 by cutting after the pressing.
Of course, instead of using a film-like roll tape and forming the reinforced modified film structure 13 by a press-fitting method, for example, these thermoplastic materials melted by heating may be provided on the back surface of the skin at the open top portion 12 by printing, spraying, or the like, and thereafter cooled and solidified to form the reinforced modified film structure 13.
Further, the thickness of the reinforced modified film structure 13 is 1/15-1/5 of the thickness of the skin overlying the cover sheet. If the reinforced modified film structure 13 is too thick, the appearance effect of the skin at the open top portion 12 may be affected, and if the reinforced modified film structure 13 is too thin, the difficulty of fine adhesion with the skin may be increased, and it may be difficult to achieve the effect of enhancing the mechanical properties in a low-temperature environment.
Further, as shown in fig. 1 (a), the skin is located at a portion of the top opening portion 12, and after the reinforcing modified film structure 13 is composited thereon, a weakening line is provided, which is placed above a composite of the reinforcing modified film structure and the skin. As shown in fig. 1 (b), the reinforcing modified film structure 13 and the skin covering the cover sheet form a composite structure. That is, the reinforcing modified film structure 13 is provided at the position of the line of weakness where the skin is located at the open top portion 12, whereby modification and reinforcement can be effectively performed.
Further, the skin is provided with a coating layer for enhancing surface polarity between the back surface of the top opening part 12 and the reinforced modified film structure 13. Thereby, the bonding strength between the reinforcement modified film structure 13 and the portion of the skin located at the open top portion 12 can be improved. The coating layer for enhancing the surface polarity may be disposed on the surface of the reinforcing modified film structure 13 on the back of the open top 12, only on the surface of the reinforcing modified film structure 13 near the open top 12, or both of them, for example, by spraying, plasma sputtering, or the like.
Further, the side of the enhancement modified film structure 13 away from the open top 12 is also provided with a coating layer for enhancing the surface polarity. Referring to fig. 4, it can be seen that, when the composite structure of the skin and the reinforcing modified film covering the cover plate according to the present invention is used to assemble the components of the automobile interior panel assembly, the composite structure of the skin and the reinforcing modified film covering the cover plate is positioned, and then the foaming layer 40 is disposed between the cover plate and the composite structure of the skin and the reinforcing modified film, and finally the part of the skin covering the cover plate located at the open top portion 12, the reinforcing modified film structure 13, and the foaming layer 40 are integrated.
That is, by providing the coating layer for enhancing the surface polarity on both surfaces of the reinforced modified film structure 13, the bonding strength between the reinforced modified film structure 13 and the foamed layer 40 can be improved when the automotive interior panel assembly component is assembled.
Further, the skin covering the cover main body (i.e., the skin covering the fixing portion 11 and the pushing portion 12) is made of a material having poor low-temperature mechanical properties such as polyvinyl chloride. It has the characteristics of light weight, low cost and easy molding.
When the skin covering the cover main body is formed of a material having poor low-temperature mechanical properties such as polyvinyl chloride, it is particularly preferable to provide a coating layer for enhancing the polarity of the surface on the surface of the reinforcing modified film structure 13 on the side close to the open top portion 12 on the back surface of the open top portion 12 to enhance the bonding strength.
According to the utility model, the automobile interior trim panel assembly part integrated with the skin reinforcing and modifying structure on any cover plate is also provided.
Further, the skin-enhancing modification structure on the cover plate can be integrated into the automotive trim panel assembly.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (9)
1. A skin-reinforcing modification structure for covering a cover plate body of a safety device in a vehicle, comprising:
the safety device comprises a cover plate body, a safety device and a safety device, wherein the cover plate body comprises a fixing part and a jacking part which is connected with the fixing part and can be jacked open when the safety device is triggered;
a reinforced modified membrane structure disposed in a thin film on a back side of the skin at the open top.
2. The skin-reinforced modified structure of claim 1, wherein the reinforced modified film structure is any one of a thermoplastic polyolefin-based product, a thermoplastic polyurethane elastomer product, a thermoplastic vulcanized rubber product and a polyurethane-based product.
3. The skin-reinforced modified structure of claim 2, wherein the reinforced modified film structure is formed as a film-like roll tape.
4. The skin reinforcing modification structure of claim 1, wherein the thickness of the reinforcing modification film structure is 1/15-1/5 of the skin thickness.
5. The skin enhancement and modification structure of claim 3, wherein the skin is located at the top opening portion, and a weakening line is arranged on the composite of the enhancement and modification film structure and the skin.
6. The skin reinforcing modification structure according to claim 5, wherein a coating layer for enhancing surface polarity is further disposed between the back surface of the skin and the reinforcing modification film structure.
7. The skin enhancement modification structure of claim 6, wherein a side of the enhancement modification film structure remote from the roof opening is also provided with a coating of the enhanced surface polarity.
8. The skin-reinforced modified structure of claim 1, wherein the skin is a polyvinyl chloride material.
9. An automotive trim panel assembly part characterized in that it has integrated therein a skin reinforcing modification structure according to any one of claims 1 to 8 for covering a cover plate of a safety device in a vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123101926.4U CN216709205U (en) | 2021-12-06 | 2021-12-06 | Skin reinforcing modification structure and automobile interior trim panel assembly part comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123101926.4U CN216709205U (en) | 2021-12-06 | 2021-12-06 | Skin reinforcing modification structure and automobile interior trim panel assembly part comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216709205U true CN216709205U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123101926.4U Active CN216709205U (en) | 2021-12-06 | 2021-12-06 | Skin reinforcing modification structure and automobile interior trim panel assembly part comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216709205U (en) |
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2021
- 2021-12-06 CN CN202123101926.4U patent/CN216709205U/en active Active
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