A rigidity enhancement structure for high-safety automobile door accessories

Abstract

The present invention discloses a rigidity enhancement structure of a high-safety automobile door accessory, which relates to the technical field of automobile accessories, and comprises an alloy cover; a handle, wherein a connection block is arranged on the front side of the handle; the alloy cover is arranged on the front side of the handle and a cavity for accommodating the connection block is opened on the rear side, the alloy cover is used to improve the use strength of the handle, a heating element is installed on the inner wall of the cavity, and the heating element is used to heat the alloy cover; a sealing component is arranged between the alloy cover and the handle, and the sealing component is used to improve the sealing between the handle and the automobile handle groove. The present invention can effectively protect the handle and improve the use strength of the handle through the alloy cover, and in response to severe snowy weather, the handle can be prevented from freezing in the handle groove through the coordinated use of the heating element inside the alloy cover, the sealing component and the self-driving control component, and at the same time, external moisture can be prevented from entering the handle groove, so the protection effect is good.

Description

Technical Field

[0001] The invention relates to the technical field of automobile accessories, and in particular to a rigidity enhancement structure of a high-safety automobile door accessory. Background Art

[0002] There are many parts in a car, and car handles are important car parts, specifically door accessories. Among them, car hidden door handles are a new design concept that aims to improve the appearance and aerodynamic performance of the car by hiding the door handles, while increasing the sense of technology and ritual. This design first appeared in high-end models, but has gradually become popular in more models in recent years. The main advantages of hidden door handles include: beauty and simplicity, aerodynamic advantages, and safety in use. However, hidden door handles also have some disadvantages, including:

[0003] ‌High cost‌: Due to the need to add sensing, telescopic and other components, its manufacturing cost is usually higher than that of traditional door handles.

[0004] Repair complexity: Once a failure occurs, the repair cost is high and may require professional assistance.

[0005] ‌Winter Problems‌: In cold areas, door handles are prone to freezing, affecting their use.

[0006] The patent document with publication number CN118774503A discloses a hidden door handle heating system and automobile, which relates to the field of automobile technology. The system includes a capacitive sensor, a body controller, a temperature sensor, a heating control module and an electric heating module. The temperature sensor is used to detect the ambient temperature around the hidden door handle; the capacitive sensor is used to generate an unlocking trigger signal in response to an unlocking operation and send it to the body controller; the body controller is used to unlock the hidden door handle after receiving the unlocking trigger signal; when the hidden door handle is in an unlocked state and the ambient temperature is lower than a first temperature threshold, a heating control instruction is sent to the heating control module to control the electric heating module to heat; and when the ambient temperature is higher than a second temperature threshold, a stop heating instruction is sent to the heating control module to stop heating the electric heating module.

[0007] The handle structure provided by the above technical solution can utilize the heating function to help thaw the door handle, but the thawed water can easily enter the handle groove, and the handle is a frequently used part with a high probability of damage, and its strength needs to be improved. Summary of the invention

[0008] The purpose of the present invention is to provide a high-safety automobile door accessory stiffness enhancement structure to solve the problem that thawed water easily enters the handle groove, and the handle is a frequently used part with a high probability of damage and the strength needs to be improved.

[0009] The present invention solves the above technical problems through the following technical solutions, which include:

[0010] Alloy cover;

[0011] A handle, wherein a connection block is provided on the front side of the handle;

[0012] The alloy cover is arranged on the front side of the handle and has a cavity for accommodating the connection block on the rear side. The alloy cover is used to improve the use strength of the handle. A heating element is installed on the inner wall of the cavity. The heating element is used to heat the alloy cover;

[0013] A sealing assembly is arranged between the alloy cover and the handle, and is used to improve the sealing performance between the handle and the handle groove of the automobile. The sealing assembly comprises a sealing gasket ring and a limiting inner ring, wherein the sealing gasket ring is arranged outside the connecting block and between the handle and the alloy cover, the limiting inner ring is welded to the front side of the sealing gasket ring, and the outer side wall of the limiting inner ring is attached to the inner wall of the cavity;

[0014] A self-driving control component is arranged inside the cavity, and is used to control the expansion of the sealing gasket ring. The self-driving control component includes two heated drivers, a mounting ring and a control ring. The two heated drivers are respectively arranged on both sides of the inner wall of the cavity and are respectively installed on both sides of the inner wall of the heating element. The mounting ring is located at the output end of the heated driver, and the control ring is installed on the rear side of the mounting ring and on the inner side of the limiting inner ring. A limiting groove is opened on the inner side of the limiting inner ring, which gradually retracts inward from the front end to the rear end, and the cross-sectional area of ​​the front end of the limiting groove is the same as the cross-sectional area of ​​the control ring.

[0015] Preferably, the alloy cover material is one of titanium alloy or aluminum alloy.

[0016] Preferably, the heated driver includes a shell, an expansion fluid, a sealing sheet, a plurality of limit springs and a plurality of push rods, the shell is fixedly mounted on the heating element, the sealing sheet is clamped in the shell, the expansion fluid is filled between the sealing sheet and the inner wall of the shell, a plurality of through holes are opened on the shell, a plurality of push rods are mounted on the sealing sheet and one end of the push rods passes through the through hole to be connected to the mounting ring, and the limit spring is mounted between the sealing sheet and the inner wall of the shell on the side where the through hole is located.

[0017] Preferably, control springs are installed between the four corners of the mounting ring and the limiting inner ring.

[0018] Preferably, the expansion fluid is metallic mercury, and the shell and the sealing sheet are made of glass.

[0019] Preferably, the expansion fluid is nitrogen or carbon dioxide gas.

[0020] Preferably, the sealing gasket ring and the limiting inner ring are both made of rubber material.

[0021] Preferably, handle bars are installed at both ends of the rear side of the handle.

[0022] Preferably, a positioning groove is provided on the front side of the connecting block, and a positioning block which is clamped in the positioning groove is installed on the inner wall of the alloy cover.

[0023] Preferably, both sides of the positioning block are provided with accommodating grooves, and a connection control component for controlling the fixed connection between the alloy cover and the connecting block is arranged in the accommodating groove, and the connection control component includes a metal sheet, a mounting spring, a positioning pin and an electromagnetic block, and the metal sheet is installed on the inner wall of the accommodating groove through the mounting spring, and a slot hole is provided between the accommodating groove and the outer wall of the positioning block, and key slots located outside the slot hole are provided on both sides of the inner wall of the positioning groove, the positioning pin is installed on the metal sheet and one end of the positioning pin passes through the slot hole and is fixed in the key slot, and the electromagnetic block is installed on the inner wall of the accommodating groove.

[0024] Compared with the prior art, the beneficial effects of the present invention are:

[0025] 1. The present invention can effectively protect the handle and improve the use strength of the handle through the alloy cover, which can extend the service life of the handle as a part with extremely high usage frequency.

[0026] 2. When dealing with severe snowy weather, the present invention can prevent the handle from freezing in the handle groove through the coordinated use of the heating element and sealing component inside the alloy cover and the self-driving control component, and at the same time can prevent external moisture from entering the handle groove, so the protection effect is good.

[0027] 3. The present invention can ensure that the alloy cover is fixedly connected to the handle by connecting the control assembly, and can conveniently control the position of the positioning pin by using the electromagnetic block, so that the alloy cover can be quickly assembled and disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural view of the present invention;

[0029] Figure 2 This is a structural view of the alloy cover of the present invention;

[0030] Figure 3 A view of the handle structure of the present invention;

[0031] Figure 4 It is a top view explosion diagram of the alloy cover of the present invention;

[0032] Figure 5 This is an exploded view of the alloy cover of the present invention viewed from above;

[0033] Figure 6A structural view of a heated driver according to the present invention;

[0034] Figure 7 is a cross-sectional view of the present invention;

[0035] Figure 8 for Figure 7 Partial structure view.

[0036] The numbers in the figure represent:

[0037] 1. Handle; 2. Connecting block; 3. Alloy cover; 4. Heating element; 5. Sealing assembly; 501. Sealing gasket; 502. Limiting inner ring; 6. Self-driving control assembly; 601. Heated actuator; 6011. Housing; 6012. Expansion fluid; 6013. Sealing sheet; 6014. Limiting spring; 6015. Push rod; 602. Mounting ring; 603. Control ring; 7. Through hole; 8. Control spring; 9. Handle bar; 10. Positioning groove; 11. Positioning block; 12. Accommodating groove; 13. Connecting control assembly; 1301. Metal sheet; 1302. Mounting spring; 1303. Positioning pin rod; 1304. Electromagnetic block; 14. Keyway. DETAILED DESCRIPTION

[0038] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0039] Embodiment 1

[0040] This embodiment provides a technical solution: a rigidity enhancement structure of a high-safety automobile door accessory, such as Figure 1-Figure 5 As shown, it includes an alloy cover 3, a handle 1, a sealing component 5 and a self-driving control component 6, and a connecting block 2 is arranged on the front side of the handle 1.

[0041] In the specific implementation, such as Figure 1 and Figure 4 As shown, the material of the alloy cover shell 3 is one of titanium alloy or aluminum alloy. The alloy cover shell 3 is arranged on the front side of the handle 1 and has a cavity for accommodating the connecting block 2 on the rear side. The alloy cover shell 3 can effectively protect the handle 1, and can extend the service life of the part which is used frequently. The alloy cover shell 3 is used to improve the use strength of the handle 1. A heating element 4 is installed on the inner wall of the cavity. The heating element 4 is used to heat the alloy cover shell 3. The thermal conductivity of the metal can be used to heat the outside of the alloy cover shell 3 through the heating element 4, so that the temperature of the handle 1 and the surrounding area of ​​the handle groove can be increased.

[0042] In the specific implementation, such as Figure 5 and Figure 7As shown, the sealing component 5 is arranged between the alloy cover 3 and the handle 1, and the sealing component 5 is used to improve the sealing between the handle 1 and the handle groove of the automobile. The sealing component 5 includes a sealing gasket ring 501 and a limiting inner ring 502. The sealing gasket ring 501 is arranged on the outside of the connecting block 2 and the sealing gasket ring 501 is arranged between the handle 1 and the alloy cover 3. The limiting inner ring 502 is fused to the front side of the sealing gasket ring 501 and the outer side wall of the limiting inner ring 502 is attached to the inner wall of the cavity. The sealing gasket ring 501 can ensure good sealing between the handle 1 and the handle groove.

[0043] In the specific implementation, such as Figure 6 and Figure 7 As shown, the self-driving control component 6 is arranged inside the cavity, and the self-driving control component 6 is used to control the expansion of the sealing gasket ring 501. The self-driving control component 6 includes two heated drivers 601, a mounting ring 602 and a control ring 603. The two heated drivers 601 are respectively arranged on both sides of the inner wall of the cavity and are respectively installed on both sides of the inner wall of the heating element 4. The mounting ring 602 is located at the output end of the heated driver 601. The control ring 603 is installed at the rear side of the mounting ring 602 and is located on the inner side of the limiting inner ring 502. The inner side of the limiting inner ring 502 is provided with The limiting groove gradually retracts from the front end to the rear end, and the cross-sectional area of ​​the front end of the limiting groove is the same as the cross-sectional area of ​​the control ring 603. Under the influence of the heating element 4, the heated driver 601 can push the mounting ring 602 and the control ring 603 toward the rear side, and the control ring 603 can move along the limiting groove, so that the retracted part of the limiting groove can be pushed outward to expand, so that the sealing gasket ring 501 can be slightly deformed and expanded outward, and then the four sides of the sealing gasket ring 501 can fit more closely with the handle groove, which can further improve the sealing between the handle 1 and the handle groove.

[0044] Further, such as Figure 7 and Figure 8As shown, the heated driver 601 includes a shell 6011, an expansion fluid 6012, a sealing sheet 6013, a plurality of limit springs 6014 and a plurality of push rods 6015. The shell 6011 is fixedly mounted on the heating element 4. The sealing sheet 6013 is clamped in the shell 6011. The expansion fluid 6012 is filled between the sealing sheet 6013 and the inner wall of the shell 6011. The expansion fluid 6012 is nitrogen or carbon dioxide gas. The shell 6011 is provided with a plurality of through holes 7. A plurality of push rods 6015 are mounted on the sealing sheet 6013 and one end of the push rod 6015 passes through the through hole 7 and is connected to the mounting ring 602. The limit spring 6014 is mounted on the sealing sheet 6013. 013 and the inner wall of the shell 6011 on the side where the through hole 7 is located, the nitrogen or carbon dioxide gas will expand after being heated, and thus can push the sealing sheet 6013 outward, and the sealing sheet 6013 can squeeze the limit spring 6014 and push the push rod 6015 outward, and the push rod 6015 can push the mounting ring 602 and the control ring 603 backward, and the control ring 603 can move along the limit groove, so that the inward part of the limit groove can be pushed outward to expand, so that the sealing gasket ring 501 can be slightly deformed and expand outward, and then the four sides of the sealing gasket ring 501 can fit more closely with the handle groove, which can further improve the sealing between the handle 1 and the handle groove.

[0045] Furthermore, control springs 8 are installed between the four corners of the mounting ring 602 and the limiting inner ring 502, and the control springs 8 can help the mounting ring 602 and the control ring 603 to quickly reset after cooling.

[0046] Furthermore, the sealing gasket ring 501 and the limiting inner ring 502 are both made of rubber material.

[0047] Furthermore, handle bars 9 are installed at both ends of the rear side of the handle 1, and the handle bars 9 can facilitate the use of the handle 1.

[0048] In this embodiment, the alloy cover 3 can greatly increase the rigidity of the handle 1 in the use position, thereby extending the service life. In severe snowy weather, the use of the heating element 4 inside the alloy cover 3 and the sealing component 5 and the self-driving control component 6 can prevent the handle 1 from freezing in the handle groove, and at the same time prevent external moisture from entering the handle groove. When in use, the heating element 4 is connected to the power supply, and the heating element 4 generates heat. Therefore, the good thermal conductivity of the alloy cover 3 can be used to keep the outside of the heat-conducting cover at a high temperature, thereby preventing the edge of the alloy cover 3 from freezing. At the same time, the heating element 4 can heat the heated driver 601, and the nitrogen or dioxide inside the shell 6011 The carbon gas expands when heated, so it can push the sealing sheet 6013 outward, and the sealing sheet 6013 can squeeze the limit spring 6014 and push the push rod 6015 outward. The push rod 6015 can push the mounting ring 602 and the control ring 603 backward, and the control ring 603 can move along the limit groove, so it can push the inward part of the limit groove outward to expand, so that the sealing gasket ring 501 can be slightly deformed and expand outward, and then the four sides of the sealing gasket ring 501 can fit more closely with the handle groove, which can further improve the sealing between the handle 1 and the handle groove, thereby preventing external moisture from entering the handle groove. This function can also be used in rainy weather to prevent moisture from entering the handle groove.

[0049] Embodiment 2

[0050] This embodiment provides a technical solution: a rigidity enhancement structure of a high-safety automobile door accessory, such as Figure 1-Figure 5 As shown, it includes a handle 1, an alloy cover 3, a sealing component 5 and a self-driving control component 6, and a connecting block 2 is arranged on the front side of the handle 1.

[0051] In the specific implementation, such as Figure 1 and Figure 4 As shown, the material of the alloy cover shell 3 is one of titanium alloy or aluminum alloy. The alloy cover shell 3 is arranged on the front side of the handle 1 and has a cavity for accommodating the connecting block 2 on the rear side. The alloy cover shell 3 can effectively protect the handle 1, and can extend the service life of the part which is used frequently. The alloy cover shell 3 is used to improve the use strength of the handle 1. A heating element 4 is installed on the inner wall of the cavity. The heating element 4 is used to heat the alloy cover shell 3. The thermal conductivity of the metal can be used to heat the outside of the alloy cover shell 3 through the heating element 4, so that the temperature of the handle 1 and the surrounding area of ​​the handle groove can be increased.

[0052] In the specific implementation, such as Figure 5 and Figure 7As shown, the sealing component 5 is arranged between the alloy cover 3 and the handle 1, and the sealing component 5 is used to improve the sealing between the handle 1 and the handle groove of the automobile. The sealing component 5 includes a sealing gasket ring 501 and a limiting inner ring 502. The sealing gasket ring 501 is arranged on the outside of the connecting block 2 and the sealing gasket ring 501 is arranged between the handle 1 and the alloy cover 3. The limiting inner ring 502 is fused to the front side of the sealing gasket ring 501 and the outer side wall of the limiting inner ring 502 is attached to the inner wall of the cavity. The sealing gasket ring 501 can ensure good sealing between the handle 1 and the handle groove.

[0053] In the specific implementation, such as Figure 6 and Figure 7 As shown, the self-driving control component 6 is arranged inside the cavity, and the self-driving control component 6 is used to control the expansion of the sealing gasket ring 501. The self-driving control component 6 includes two heated drivers 601, a mounting ring 602 and a control ring 603. The two heated drivers 601 are respectively arranged on both sides of the inner wall of the cavity and are respectively installed on both sides of the inner wall of the heating element 4. The mounting ring 602 is located at the output end of the heated driver 601. The control ring 603 is installed at the rear side of the mounting ring 602 and is located on the inner side of the limiting inner ring 502. The inner side of the limiting inner ring 502 is provided with The limiting groove gradually retracts from the front end to the rear end, and the cross-sectional area of ​​the front end of the limiting groove is the same as the cross-sectional area of ​​the control ring 603. Under the influence of the heating element 4, the heated driver 601 can push the mounting ring 602 and the control ring 603 toward the rear side, and the control ring 603 can move along the limiting groove, so that the retracted part of the limiting groove can be pushed outward to expand, so that the sealing gasket ring 501 can be slightly deformed and expanded outward, and then the four sides of the sealing gasket ring 501 can fit more closely with the handle groove, which can further improve the sealing between the handle 1 and the handle groove.

[0054] Further, such as Figure 7 and Figure 8 As shown, the heated driver 601 includes a shell 6011, an expansion fluid 6012, a sealing sheet 6013, a plurality of limit springs 6014 and a plurality of push rods 6015. The shell 6011 is fixedly mounted on the heating element 4, the sealing sheet 6013 is clamped in the shell 6011, the expansion fluid 6012 is filled between the sealing sheet 6013 and the inner wall of the shell 6011, the expansion fluid 6012 is metal mercury, the shell 6011 and the sealing sheet 6013 are made of glass, a plurality of through holes 7 are opened on the shell 6011, a plurality of push rods 6015 are mounted on the sealing sheet 6013 and one end of the push rod 6015 passes through the through hole 7 to be connected with the mounting ring 602, and the limit spring 6014 is mounted between the sealing sheet 6013 and the inner wall of the shell 6011 on the side where the through hole 7 is located.

[0055] In this embodiment, the heating element 4 is electrically connected to the power supply, and the heating element 4 generates heat. Therefore, the good thermal conductivity of the alloy cover shell 3 can be used to make the outside of the heat-conducting cover shell in a high temperature state, thereby preventing the edge of the alloy cover shell 3 from icing. At the same time, the heating element 4 can heat the heated driver 601, and the metal mercury inside the shell 6011 will expand after being heated, so that the sealing sheet 6013 can be pushed outward, and the sealing sheet 6013 can squeeze the limit spring 6014 and push the push rod 6015 outward. The push rod 6015 can push the mounting ring 602 and the control ring 603 to the rear side, and the control ring 603 can move along the limit groove, so that the inner part of the limit groove can be pushed outward to expand, so that the sealing gasket ring 501 can be slightly deformed and expanded outward, and then the four sides of the sealing gasket ring 501 can fit more closely with the handle groove, which can further improve the sealing between the handle 1 and the handle groove, thereby preventing external moisture from entering the handle groove. This function can also be used in rainy weather to prevent moisture from entering the handle groove.

[0056] Embodiment 3: This embodiment provides a connection structure between an alloy housing 3 and a handle 1, such as Figure 3 , Figure 4 and Figure 7 As shown, the same structure as above will not be repeated, the structure is as follows:

[0057] A positioning groove 10 is provided on the front side of the connecting block 2, and a positioning block 11 is installed on the inner wall of the alloy cover 3 and is clamped in the positioning groove 10. Receiving grooves 12 are clamped on both sides of the positioning block 11. The positioning block 11 cooperates with the positioning groove 10 to facilitate the stable connection between the alloy cover 3 and the connecting block 2. A connection control component 13 for controlling the fixed connection between the alloy cover 3 and the connecting block 2 is provided in the receiving groove 12. The connection control component 13 includes a metal sheet 1301, an installation spring 1302, a positioning pin rod 1303 and an electromagnetic block 1304. The metal sheet 1301 is installed by the installation spring 1302 On the inner wall of the accommodating groove 12, a slot hole is opened between the accommodating groove 12 and the outer wall of the positioning block 11, and key slots 14 located outside the slot hole are opened on both sides of the inner wall of the positioning groove 10. The positioning pin rod 1303 is installed on the metal sheet 1301 and one end of the positioning pin rod 1303 passes through the slot hole and is clamped in the key slot 14. The electromagnetic block 1304 is installed on the inner wall of the accommodating groove 12. The positioning pin rod 1303 can ensure that the positioning block 11 is fixedly connected to the connecting block 2. The electromagnetic block 1304 can be used to conveniently control the position of the positioning pin rod 1303, so that the alloy cover shell 3 can be quickly assembled and disassembled.

[0058] In this embodiment, Figure 4 and Figure 7As shown, one end of the positioning pin rod 1303 is clamped in the key slot 14, so that the positioning block 11 and the connecting block 2 can be fixedly connected, thereby ensuring that the alloy cover shell 3 and the handle 1 are also fixedly connected, thereby ensuring good stability in use and good limiting effect on the sealing component 5. When the alloy cover shell 3 is seriously damaged, the alloy cover shell 3 can be quickly disassembled through the connecting control component 13. When disassembling, the electromagnetic block 1304 is energized and connected to the power supply. The electromagnetic block 1304 can generate magnetism, thereby attracting the metal sheet 1301 to move toward the electromagnetic block 1304, so the metal sheet 1301 The installation spring 1302 can be stretched and moved toward the electromagnetic block 1304, and at the same time, one end of the positioning pin 1303 can be moved out of the key slot 14. When the positioning pin 1303 is completely moved out of the key slot 14, there is no fixed connection between the positioning block 11 and the connecting block 2. At this time, there is no fixed connection between the alloy cover 3 and the handle 1. Therefore, the alloy cover 3 can be directly disassembled. After the new alloy cover 3 is installed, the electromagnetic block 1304 inside it is closed. The positioning pin 1303 can be inserted into the key slot 14 again under the rebound action of the installation spring 1302, so that the installation of the alloy cover 3 can be completed quickly.

[0059] The above are only preferred embodiments of the present invention, which are only illustrative and not restrictive. Those skilled in the art understand that many changes, modifications, and even equivalences may be made to the present invention within the spirit and scope defined by the claims, but all of them will fall within the scope of protection of the present invention.

Claims

1. A high-safety automobile door accessory stiffness enhancement structure, characterized in that: include: Alloy cover (3); A handle (1), wherein a connecting block (2) is provided on the front side of the handle (1); The alloy cover (3) is arranged on the front side of the handle (1) and has a cavity for accommodating the connection block (2) on the rear side. The alloy cover (3) is used to improve the use strength of the handle (1). A heating element (4) is installed on the inner wall of the cavity. The heating element (4) is used to heat the alloy cover (3); A sealing assembly (5) disposed between the alloy cover (3) and the handle (1), the sealing assembly (5) being used to improve the sealing performance between the handle (1) and the handle groove of the automobile, the sealing assembly (5) comprising a sealing gasket ring (501) and a limiting inner ring (502), the sealing gasket ring (501) being disposed outside the connecting block (2) and between the handle (1) and the alloy cover (3), the limiting inner ring (502) being welded to the front side of the sealing gasket ring (501) and the outer side wall of the limiting inner ring (502) being attached to the inner wall of the cavity; A self-driving control component (6) is arranged inside the cavity, and is used to control the expansion of the sealing gasket ring (501). The self-driving control component (6) comprises two heated drivers (601), a mounting ring (602) and a control ring (603). The two heated drivers (601) are respectively arranged on both sides of the inner wall of the cavity and are respectively installed on both sides of the inner wall of the heating element (4). The mounting ring (602) is located at the output end of the heated driver (601). The control ring (603) is installed at the rear side of the mounting ring (602) and is located at the inner side of the limiting inner ring (502). A limiting groove is provided on the inner side of the limiting inner ring (502) and is gradually retracted from the front end to the rear end. The cross-sectional area of ​​the front end of the limiting groove is the same as the cross-sectional area of ​​the control ring (603).

2. A high-safety automobile door accessory stiffness enhancement structure as claimed in claim 1, characterized in that: The alloy cover (3) is made of a titanium alloy or an aluminum alloy.

3. A high-safety automobile door accessory stiffness enhancement structure as claimed in claim 2, characterized in that: The heated driver (601) comprises a shell (6011), an expansion fluid (6012), a sealing sheet (6013), a plurality of limit springs (6014) and a plurality of push rods (6015); the shell (6011) is fixedly mounted on the heating element (4); the sealing sheet (6013) is clamped in the shell (6011); the expansion fluid (6012) is filled between the sealing sheet (6013) and the inner wall of the shell (6011); a plurality of through holes (7) are provided on the shell (6011); a plurality of push rods (6015) are mounted on the sealing sheet (6013) and one end of the push rods (6015) passes through the through hole (7) to be connected to the mounting ring (602); and the limit spring (6014) is mounted between the sealing sheet (6013) and the inner wall of the shell (6011) on the side where the through hole (7) is located.

4. A high-safety automobile door accessory stiffness enhancement structure as claimed in claim 3, characterized in that: Control springs (8) are installed between the four corners of the mounting ring (602) and the limiting inner ring (502).

5. The rigidity enhancement structure of a high-safety automobile door accessory as claimed in claim 3, characterized in that: The expansion fluid (6012) is metallic mercury, and the shell (6011) and the sealing sheet (6013) are made of glass.

6. The rigidity enhancement structure of a high-safety automobile door accessory as claimed in claim 3, characterized in that: The expansion fluid (6012) is nitrogen or carbon dioxide gas.

7. The rigidity enhancement structure of a high-safety automobile door accessory according to claim 1, characterized in that: The sealing gasket ring (501) and the limiting inner ring (502) are both made of rubber material.

8. The rigidity enhancement structure of a high-safety automobile door accessory according to claim 1, characterized in that: Handle bars (9) are installed at both ends of the rear side of the handle (1).

9. The rigidity enhancement structure of a high-safety automobile door accessory according to claim 1, characterized in that: A positioning groove (10) is provided on the front side of the connection block (2), and a positioning block (11) is mounted on the inner wall of the alloy cover (3) and is clamped in the positioning groove (10).

10. The rigidity enhancement structure of a high-safety automobile door accessory according to claim 9, characterized in that: The positioning block (11) is provided with a receiving groove (12) on both sides. A connection control component (13) for controlling the fixed connection between the alloy cover (3) and the connection block (2) is provided in the receiving groove (12). The connection control component (13) comprises a metal sheet (1301), a mounting spring (1302), a positioning pin (1303) and an electromagnetic block (1304). The metal sheet (1301) is mounted on the inner wall of the receiving groove (12) via the mounting spring (1302). A slot hole is provided between the outer wall of the receiving groove (12) and the positioning block (11). Key slots (14) located outside the slot hole are provided on both sides of the inner wall of the positioning groove (10). The positioning pin (1303) is mounted on the metal sheet (1301) and one end of the positioning pin (1303) passes through the slot hole and is mounted in the key slot (14). The electromagnetic block (1304) is mounted on the inner wall of the receiving groove (12).

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