Buffer protection safety prompt door handle

The safety indicator door handle, which combines a magnetic levitation component and a bevel gear, solves the inconvenience and safety issues of traditional door handles in low light conditions. It achieves clear identification in dim environments and efficient energy utilization, thereby improving safety and user experience.

CN121719418APending Publication Date: 2026-03-24BEIJING XINYU IND ENG SERVICE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-30
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Traditional door handles are difficult to locate in low light conditions, leading to inconvenience and increasing the risk of collisions and pinching injuries. In addition, battery-powered lighting devices are prone to brightness decay or failure, increasing maintenance costs.

Method used

The system employs a combination of magnetic levitation components and bevel gears. The magnetic levitation ring reduces frictional resistance and improves power generation efficiency. The power generation components store electrical energy to supply lighting to the lamp body. A dual locking mechanism prevents accidental operation, and the combination of bevel gears and bidirectional threaded rods enables smooth unlocking.

Benefits of technology

Ensuring door handles are clearly visible in dimly lit environments reduces the risk of collisions and pinching injuries, enables efficient energy recycling, and improves security and user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a buffering protection safety prompt door handle, and belongs to the technical field of door handles. A buffer protection safety prompt door handle comprises a door body, the outer side of the door body is connected with a door fence, one end of the door body is connected with a door lock assembly, a second rotating rod is in an almost non-contact state in the rotating process through a magnetic suspension ring formed by a first magnetic block and a second magnetic block, friction resistance is greatly reduced, and when a user loosens the hand to reset, the door lock assembly is not in contact with the second rotating rod. The magnetic suspension structure enables the rotor to continuously rotate depending on inertia, the number of power generation turns is increased, the power generation efficiency is improved, the lighting time of the lamp body is prolonged, and meanwhile the rotor rotates in the stator to cut magnetic induction lines to generate electric energy, and the electric energy is stored in the capacitor after being rectified to supply power to the lamp body to emit light. In this way, the problem of brightness attenuation or failure caused by insufficient electric quantity of a traditional lighting door handle is avoided, the lasting and stable safety prompting function is ensured, and meanwhile efficient recycling of energy is achieved.
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Description

Technical Field

[0001] This invention relates to the field of door handle manufacturing technology, and more specifically, to a buffer-protection safety warning door handle. Background Technology

[0002] Door handles, as an important component of building doors and windows, are used repeatedly by people every day, and their safety, durability, and user experience directly affect the quality of daily life.

[0003] In everyday use, traditional door handles are difficult to locate accurately in low light conditions, especially at night or in dimly lit places. Users often have to fumble around to find the handle, which is not only inconvenient but also increases the risk of collisions and pinching injuries. Although some products have added LED lighting functions, they usually rely on batteries or external power sources, which increases maintenance costs and complexity of use. Moreover, battery-powered lighting devices may experience brightness reduction or complete failure when the power is low, which may lead to misjudgment by users. Summary of the Invention

[0004] The purpose of this invention is to provide a buffer-protected safety indicator door handle to solve the problems mentioned in the background art.

[0005] A buffer-protection safety indicator door handle includes a door body, a door frame connected to the outer side of the door body, a door lock assembly connected to one end of the door body, a fixing assembly connected to the end of the door body away from the door lock assembly, and a fixing groove is provided at the intersection of the door frame and the fixing assembly. The fixing component includes a first bevel gear, a rotating rod meshing in the middle of the first bevel gear, a second bevel gear connected to the end of the rotating rod away from the first bevel gear, a third bevel gear meshing in the end of the second bevel gear away from the first bevel gear, and a bidirectional threaded rod connected to the middle of the third bevel gear. The door lock assembly includes a lock body, a handle assembly connected to the front end of the lock body, a magnetic levitation assembly connected to one end of the handle assembly facing the middle of the door lock assembly, a power generation assembly connected to the end of the magnetic levitation assembly away from the handle assembly, a first return spring connected to the end of the power generation assembly away from the magnetic levitation assembly, a screw block connected to the end of the first return spring away from the power generation assembly, a capacitor connected to the upper end of the power generation assembly, a lamp body connected to the front surface of the lock body, a lock cylinder connected to one end of the lock body, and a telescopic device connected to the lock cylinder near the middle of the lock body.

[0006] Preferably, pull blocks are sleeved on the outer surfaces of both ends of the bidirectional threaded rod, a fixing block is connected to one end of each pull block facing the bidirectional threaded rod, a first circular guide rod is connected to one end of each fixing block facing the middle part of the bidirectional threaded rod, a first return spring is sleeved on the outer surface of each first circular guide rod, and a first sliding groove is provided at the part where the first circular guide rod intersects with the door body, the first sliding groove fits with the fixing block, and the first bevel gear is installed in the inner cavity of the door lock assembly.

[0007] Preferably, the handle assembly includes a handle, a first rotating rod is connected to the handle, a fourth bevel gear is connected to the first rotating rod near the outside of the handle, and the fourth bevel gear is initially separated from the first bevel gear.

[0008] Preferably, the end of the first rotating rod away from the handle is connected to a first rectangular connecting block, and the rear end surface of the first rotating rod is connected to the first connecting block. A second return spring is connected to the outside of the first connecting block, and a first groove is formed at the intersection of the second return spring and the lock body. A second groove is formed at the intersection of the fourth bevel gear and the lock body. A third groove is formed at the intersection of the first rectangular connecting block and the lock body. A first sliding groove is formed at the intersection of the handle and the lock body. When the handle moves toward the other end surface of the first sliding groove, the fourth bevel gear moves along the second groove toward the first bevel gear, the first rectangular connecting block moves along the third groove toward the lock cylinder, and the second return spring retracts. At the same time, the first rotating rod moves toward the magnetic levitation component. When the handle moves to the other end surface of the first sliding groove, the fourth bevel gear and the first bevel gear mesh, the first rectangular connecting block meshes with the telescopic device, and the first connecting block overlaps with the first connecting groove.

[0009] Preferably, the magnetic levitation assembly includes a second rotating rod, the end of the second rotating rod facing the second return spring having a first connecting groove, and a plurality of first magnetic blocks connected to the outer surface of the end of the second rotating rod away from the first connecting groove.

[0010] Preferably, a plurality of second magnetic blocks are connected to the outer side of the first magnetic block, and a second connecting block is connected to the rear end surface of the second rotating rod. The plurality of first magnetic blocks form a first circular magnetic ring, and the plurality of second magnetic blocks form a second circular magnetic ring. The first circular magnetic ring, the second circular magnetic ring, and the second rotating rod form a magnetic levitation structure.

[0011] Preferably, the power generation component includes a third rotating rod, a second connecting groove is formed on one end surface of the third rotating rod facing the second connecting block, and a rotor is connected to the end of the third rotating rod away from the second connecting groove, and a stator is connected to the outside of the rotor.

[0012] Preferably, the second connecting block fits into the second connecting groove, and the first connecting block fits into the first connecting groove.

[0013] Compared with the prior art, the advantages of this invention are: 1. In this invention, the magnetic levitation ring formed by the first and second magnetic blocks ensures that the second rotating rod is in a near-non-contact state during rotation, significantly reducing frictional resistance. When the user releases the handle to reset, the magnetic levitation structure causes the rotor to continue rotating due to inertia, increasing the number of power generation cycles, improving power generation efficiency, and extending the lighting time of the lamp. At the same time, the rotor generates electrical energy by rotating and cutting magnetic lines of force within the stator. After rectification, the electrical energy is stored in the capacitor to power the lamp and emit light. This avoids the problem of brightness decay or failure caused by insufficient power in traditional lighting door handles, ensuring the long-term stability of the safety warning function, while also achieving efficient energy recovery and utilization.

[0014] 2. In this invention, the door achieves dual locking through a fixed component and a door lock component, which significantly improves anti-theft security. The combined operation method of pressing and then turning when opening effectively prevents the risk of accidental operation by children. During the unlocking process, the light automatically illuminates to make the door handle clearly visible in dim environments, thereby reducing the risk of users being bumped or pinched. At the same time, the dual locking mechanism and the combined pressing and turning operation mode can greatly improve safety performance.

[0015] 3. In this invention, the rotation of the handle is efficiently converted into the linear motion of the fixed block through the precise cooperation of the bevel gear set, the bidirectional threaded rod and the pull block. At the same time, the synergistic effect of the first return spring and the second return spring makes the handle reset process smooth and stable. In this way, energy collection, storage and release are automatically completed during the unlocking process, thereby ensuring safety and improving the user experience. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the present invention; Figure 3 This is a schematic diagram of the door lock assembly structure of the present invention; Figure 4 This is a schematic diagram of the internal structure of the door lock assembly of the present invention; Figure 5 This is a partial structural schematic diagram of the present invention; Figure 6 This is a schematic diagram of the handle assembly structure of the present invention; Figure 7 This is a schematic diagram of the magnetic levitation component structure of the present invention; Figure 8This is a schematic diagram of the power generation component structure of the present invention; Figure 9 This is a schematic diagram of the fixed component structure of the present invention.

[0017] Explanation of the numbers in the diagram: 1. Door body; 2. Door frame; 3. Door lock assembly; 301. Lock body; 302. Handle assembly; 303. Magnetic levitation assembly; 304. Power generation assembly; 305. First return spring; 306. Screw block; 307. Lamp body; 308. Handle; 309. First rotating rod; 310. Fourth bevel gear; 311. First rectangular connecting block; 312. First connecting block; 313. Second return spring; 314. Second rotating rod; 315. First magnetic block; 31 6. Second magnetic block; 317. Second connecting block; 318. Third rotating rod; 319. Second connecting groove; 320. Rotor; 321. Stator; 322. First connecting groove; 323. Capacitor; 4. Fixing assembly; 401. First bevel gear; 402. Rotating rod; 403. Second bevel gear; 404. Third bevel gear; 405. Bidirectional threaded rod; 406. Pull block; 407. Fixing block; 408. First circular guide rod; 409. First return spring. Detailed Implementation

[0018] Example: Please refer to Figure 1 , Figure 2 and Figure 5 A buffer protection safety warning door handle includes a door body 1, a door rail 2 connected to the outside of the door body 1, a door lock assembly 3 connected to one end of the door body 1, a fixing assembly 4 connected to the end of the door body 1 away from the door lock assembly 3, and a fixing groove is provided at the intersection of the door rail 2 and the fixing assembly 4. Please see Figure 9 The fixing component 4 includes a first bevel gear 401, a rotating rod 402 meshing in the middle of the first bevel gear 401, a second bevel gear 403 connected to the end of the rotating rod 402 away from the first bevel gear 401, a third bevel gear 404 meshing in the end of the second bevel gear 403 away from the first bevel gear 401, and a bidirectional threaded rod 405 connected to the middle of the third bevel gear 404. Please see Figure 3 and Figure 4The door lock assembly 3 includes a lock body 301, a handle assembly 302 connected to the front end of the lock body 301, a magnetic levitation assembly 303 connected to the end of the handle assembly 302 facing the middle of the door lock assembly 3, a power generation assembly 304 connected to the end of the magnetic levitation assembly 303 away from the handle assembly 302, a first return spring 305 connected to the end of the power generation assembly 304 away from the magnetic levitation assembly 303, a screw block 306 connected to the end of the first return spring 305 away from the power generation assembly 304, a capacitor 323 connected to the upper end of the power generation assembly 304, a lamp body 307 connected to the front surface of the lock body 301, a lock cylinder connected to one end of the lock body 301, and a telescopic device connected to the lock cylinder near the middle of the lock body 301.

[0019] Specifically, the magnetic levitation ring formed by the first magnetic block 315 and the second magnetic block 316 ensures that the second rotating rod 314 is in a near-non-contact state during rotation, significantly reducing frictional resistance. When the user releases the handle to reset, the magnetic levitation structure causes the rotor 320 to continue rotating due to inertia, increasing the number of power generation cycles, improving power generation efficiency, and extending the lighting time of the lamp. At the same time, the rotor 320 generates electrical energy by rotating and cutting magnetic lines of force within the stator 321. After rectification, the electrical energy is stored in the capacitor 323 to power the lamp and emit light. This avoids the problem of brightness decay or failure caused by insufficient power in traditional lighting door handles, ensuring the long-term stability of the safety warning function, while also achieving efficient energy recovery and utilization.

[0020] Please see Figure 9 Pull blocks 406 are sleeved on the outer surfaces of both ends of the bidirectional threaded rod 405. A fixing block 407 is connected to one end of each pull block 406 facing the bidirectional threaded rod 405. A first circular guide rod 408 is connected to one end of each fixing block 407 facing the middle part of the bidirectional threaded rod 405. A first return spring 409 is sleeved on the outer surface of each first circular guide rod 408. A first sliding groove is provided at the part where the first circular guide rod 408 intersects with the door body 1. The first sliding groove fits with the fixing block 407. A first bevel gear 401 is installed in the inner cavity of the door lock assembly 3.

[0021] Please see Figure 6 The handle assembly 302 includes a handle 308, a first rotating rod 309 is connected to the handle 308, and a fourth bevel gear 310 is connected to the first rotating rod 309 near the outside of the handle 308, and the fourth bevel gear 310 is initially separated from the first bevel gear 401.

[0022] Please see Figure 6The first rotating rod 309 is connected to a first rectangular connecting block 311 at the end away from the handle 308, and a first connecting block 312 is connected to the rear end surface of the first rotating rod 309. A second return spring 313 is connected to the outside of the first connecting block 312, and a first groove is formed at the intersection of the second return spring 313 and the lock body 301. A second groove is formed at the intersection of the fourth bevel gear 310 and the lock body 301. A third groove is formed at the intersection of the first rectangular connecting block 311 and the lock body 301. A first sliding groove is formed at the intersection of the handle 308 and the lock body 301. When the handle 308 faces the other side of the first sliding groove... When the end surface moves, the fourth bevel gear 310 moves along the second groove toward the first bevel gear 401, the first rectangular connecting block 311 moves along the third groove toward the lock cylinder, the second return spring 313 retracts, and the first rotating rod 309 moves toward the magnetic levitation assembly 303. When the handle 308 moves to the other end surface of the first slide, the fourth bevel gear 310 and the first bevel gear 401 mesh, the first rectangular connecting block 311 meshes with the telescopic device, and the first connecting block 312 overlaps with the first connecting groove 322.

[0023] Please see Figure 7 The magnetic levitation assembly 303 includes a second rotating rod 314. The end of the second rotating rod 314 facing the second return spring 313 has a first connecting groove 322, and a plurality of first magnetic blocks 315 are connected to the outer surface of the end of the second rotating rod 314 away from the first connecting groove 322.

[0024] Specifically, the door 1 achieves dual locking through the fixing component 4 and the door lock component 3, which significantly improves anti-theft security. The combined operation method of pressing and then turning when opening effectively prevents the risk of accidental operation by children. During the unlocking process, the light body 307 automatically illuminates to indicate that the door handle 308 is clearly visible in a dim environment, thereby reducing the risk of users being bumped or pinched. At the same time, the dual locking mechanism and the combined operation mode of pressing and turning can greatly improve safety performance.

[0025] Please see Figure 7 The outer side of the first magnetic block 315 is connected to several second magnetic blocks 316, and the rear end surface of the second rotating rod 314 is connected to a second connecting block 317. The several first magnetic blocks 315 form a first circular magnetic ring, and the several second magnetic blocks 316 form a second circular magnetic ring. The first circular magnetic ring, the second circular magnetic ring, and the second rotating rod 314 form a magnetic levitation structure.

[0026] Please see Figure 8The power generation component 304 includes a third rotating rod 318. A second connecting groove 319 is provided on one end surface of the third rotating rod 318 facing the second connecting block 317. A rotor 320 is connected to one end of the third rotating rod 318 away from the second connecting groove 319. A stator 321 is connected to the outside of the rotor 320.

[0027] Please see Figure 8 The second connecting block 317 fits into the second connecting groove 319, and the first connecting block 312 fits into the first connecting groove 322.

[0028] Specifically, through the precise cooperation of the bevel gear set, the bidirectional threaded rod 405, and the pull block 406, the rotational motion of the handle 308 is efficiently converted into the linear motion of the fixed block 407. At the same time, the synergistic effect of the first return spring 305 and the second return spring 313 makes the return process of the handle 308 smooth and stable. In this way, energy collection, storage, and release are automatically completed during the unlocking process, thereby ensuring safety and improving the user experience.

[0029] Working principle: First, press the handle 308 towards the door body 1 and let the handle 308 move along the first slide groove, thereby driving the fourth bevel gear 310, the first rectangular connecting block 311, the first rotating rod 309 and the first connecting block 312 to move towards the magnetic levitation assembly 303, which in turn causes the second return spring 313 to retract. When the handle 308 is moved to the inner surface of the other end of the first slide groove, the fourth bevel gear 310 and the first bevel gear 401 will mesh, and the first rectangular connecting block 311 will mesh with the telescopic device. The first connecting block 312 will also overlap with the first connecting groove 322. At this time, turning the handle 308 ninety degrees will drive the fourth bevel gear 310, the first rectangular connecting block 311, the first rotating rod 309, and the first connecting block 312 to rotate ninety degrees. Furthermore, the rotation of the fourth bevel gear 310 will drive the first bevel gear 401 to rotate, thereby driving the rotating rod 402 to rotate, which in turn drives the second bevel gear 403 and the third bevel gear 404 to rotate. As the third bevel gear 404 rotates, it will drive the bidirectional threaded rod 405 to rotate, thereby driving the pull block 406 to move towards the middle part of the bidirectional threaded rod 405, which in turn drives the fixing block 407 to move along the first circular guide rod 408 towards the middle part of the bidirectional threaded rod 405 until the fixing block 407 separates from the fixing groove. At this time, the auxiliary mechanical lock of the door and the door frame is released. Rotating the first rectangular connecting block 311 causes the telescopic device to retract, separating the lock cylinder from the door frame. Rotating the first connecting block 312 drives the second rotating rod 314 and the third rotating rod 318 to rotate, causing the rotor 320 to rotate within the stator 321 and generate electricity by cutting magnetic field lines. The generated current is rectified and stored in the capacitor 323, which powers the lamp body 307 to emit light, providing illumination for the user, drawing their attention to the door handle, and reducing the probability of fingers being pinched. When the user releases... When the handle 308 is in use, the spring connected at the intersection of the handle 308 and the first rotating rod 309 performs a reset operation, thereby reversing the operation as described above and restoring each component to its original position. At this time, the first reset spring 305 performs a reset operation. When the first connecting block 312 and the first connecting groove 322 are separated instantaneously, the rotational force on the second rotating rod 314 is reduced due to the magnetic levitation effect, thereby increasing the drilling friction of the second rotating rod 314, thereby increasing the number of rotations of the second rotating rod 314 and the rotor 320, and thus increasing the power generation of the power generation component 304. If the power generation component 304 malfunctions during prolonged operation, rotate the screw block 306 until it separates from the lock body 301. Then remove the power generation component 304 and replace it with a new one. Return the screw block 306 to its original position. At this point, the first return spring 305 will exert a pushing force on the power generation component 304, causing the second connecting block 317 to overlap with the second connecting groove 319. Then allow the door lock assembly 3 to continue operating, thus ending all operations.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A buffer-protected safety indicator door handle, comprising a door body (1), characterized in that: The door body (1) is connected to a door frame (2) on the outside, a door lock assembly (3) is connected to one end of the door body (1), and a fixing assembly (4) is connected to the end of the door body (1) away from the door lock assembly (3). The fixing component (4) includes a first bevel gear (401), a rotating rod (402) meshing in the middle of the first bevel gear (401), a second bevel gear (403) connected to the end of the rotating rod (402) away from the first bevel gear (401), a third bevel gear (404) meshing in the end of the second bevel gear (403) away from the first bevel gear (401), and a bidirectional threaded rod (405) connected to the middle of the third bevel gear (404). The door lock assembly (3) includes a lock body (301), a handle assembly (302) is connected to the front end of the lock body (301), a magnetic levitation assembly (303) is connected to one end of the handle assembly (302) facing the middle part of the door lock assembly (3), a power generation assembly (304) is connected to one end of the magnetic levitation assembly (303) away from the handle assembly (302), a first return spring (305) is connected to one end of the power generation assembly (304) away from the magnetic levitation assembly (303), a screw block (306) is connected to one end of the first return spring (305) away from the power generation assembly (304), and a capacitor (323) is connected to the upper end of the power generation assembly (304), and a lamp body (307) is connected to the front surface of the lock body (301).

2. The buffer-protection safety indicator door handle according to claim 1, characterized in that: Pull blocks (406) are sleeved on the outer surfaces of both ends of the bidirectional threaded rod (405). Each pull block (406) is connected to a fixing block (407) at one end facing the bidirectional threaded rod (405). Each fixing block (407) is connected to a first circular guide rod (408) at one end facing the middle part of the bidirectional threaded rod (405). A first return spring (409) is sleeved on the outer surface of each first circular guide rod (408).

3. A buffer-protection safety indicator door handle according to claim 2, characterized in that: The handle assembly (302) includes a handle (308), and a first rotating rod (309) is connected to the handle (308). A fourth bevel gear (310) is connected to the first rotating rod (309) near the outside of the handle (308).

4. A buffer-protection safety indicator door handle according to claim 3, characterized in that: The first rotating rod (309) is connected to a first rectangular connecting block (311) at the end away from the handle (308), and a first connecting block (312) is connected to the rear end surface of the first rotating rod (309), and a second return spring (313) is connected to the outside of the first connecting block (312).

5. A buffer-protection safety indicator door handle according to claim 4, characterized in that: The magnetic levitation assembly (303) includes a second rotating rod (314), the second rotating rod (314) has a first connecting groove (322) at one end facing the second reset spring (313), and a plurality of first magnetic blocks (315) are connected to the outer surface of the end of the second rotating rod (314) away from the first connecting groove (322).

6. A buffer-protected safety indicator door handle according to claim 5, characterized in that: The outer side of the first magnetic block (315) is connected to several second magnetic blocks (316), and the rear end surface of the second rotating rod (314) is connected to a second connecting block (317).

7. A buffer-protected safety indicator door handle according to claim 6, characterized in that: The power generation component (304) includes a third rotating rod (318), on the surface of the third rotating rod (318) facing the second connecting block (317) a second connecting groove (319) is provided, and the end of the third rotating rod (318) away from the second connecting groove (319) is connected to a rotor (320), and the outside of the rotor (320) is connected to a stator (321).

8. A buffer-protected safety indicator door handle according to claim 7, characterized in that: The second connecting block (317) fits into the second connecting groove (319), and the first connecting block (312) fits into the first connecting groove (322).