A self-sucking door limiting and waterproof device for vehicle

By incorporating a limit rod and drainage structure into the self-closing door lock, and utilizing the limit protrusion, sealing protrusion, and inclined surface structure, the problem of malfunction caused by water ingress in the self-closing door lock is solved, achieving precise limiting and waterproofing effects.

CN117365204BActive Publication Date: 2025-10-24CHANGZHOU BPHOENIX AUTO SYST CO LTD
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Patent Information

Application Number
CN202311534539.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-17
Publication Date
2025-10-24
Estimated Expiration
2043-11-17

AI Technical Summary

Technical Problem

Self-closing door locks are prone to malfunction after water or moisture ingress, and the limiting action is not accurate enough, leading to system instability.

Method used

A limiting and waterproof device for a self-closing car door was designed, comprising a limiting rod and a drainage structure. It precisely limits the water flow by using limiting protrusions, sealing protrusions and drainage protrusions, and uses multiple inclined structures to block and guide the water flow to prevent water from entering the lock.

Benefits of technology

It achieves precise positioning and waterproofing, avoiding the problem of self-closing door lock systems in vehicles malfunctioning due to water ingress.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a limiting waterproof device of a self-sucking door for vehicles, which is applied to the technical field of automobiles and comprises a door outer locking device and a limiting rod. The outer surface of the door outer locking device is a shell. An installation groove is formed in the left side surface of the shell. A rotating rod is arranged in the installation groove. A fixing hole is formed in the left end of the limiting rod. A fixing rod penetrates through the fixing hole. An inner inclined surface is arranged on the side surface of the rotating rod. The inner inclined surface is fixed in the shell. The outer side of the fixing rod is a buckle. A groove is formed in the inner side of the buckle. A limiting protrusion and a sealing protrusion are fixed on the upper side of the limiting rod from left to right. A drainage protrusion is fixed on the lower side of the limiting rod. The right end portion of the limiting rod is sealingly connected in the installation groove through the rotating rod. The device can accurately limit and prevent water from entering the inside of the lock, and solves the problem that the self-sucking door lock system for vehicles fails due to water entering the inside of the door outer locking device.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the field of automobile technology, and particularly relates to a limiting and waterproof device for a self-suction door of a vehicle. BACKGROUND

[0002] With the continuous advancement of science and technology, more and more vehicles are manufactured by choosing electric door locks to replace the single mechanical door locks in the past. The self-suction door lock is one of the electric door locks. The self-suction door is also called magnetic suction door, and mainly controls the closing of the door through the on-off of the power supply. The power supply generates magnetic force, and the door is closed. When the power supply is off, the magnetic force disappears, and the door can be opened. An electromagnetic coil is installed on the door frame (or the edge of the door plate), and when the door is opened, current will flow through the coil to form an electromagnetic field. Thus, due to the magnetic force, when the door is closed to a distance close to the door frame, the door will be automatically sucked up. However, this self-suction door lock mainly depends on the power supply and the part of the limiting is not accurate enough. Therefore, once the lock itself is waterlogged or damp, the self-suction door system is prone to instability and failure.

[0003] Therefore, it is necessary to provide a limiting and waterproof device for a self-suction door of a vehicle, which can accurately limit and prevent water from entering the lock to cause the self-suction door lock system to fail by setting a limiting protrusion and a drainage protrusion. SUMMARY

[0004] The present application aims to solve the problems in the background art by providing a limiting and waterproof device for a self-suction door of a vehicle.

[0005] In order to solve the above technical problems, the present application provides the following technical scheme: a limiting and waterproof device for a self-suction door of a vehicle, comprising a vehicle door outer lock device and a limiting rod, wherein the outer surface of the vehicle door outer lock device is a shell, a mounting groove is formed in the left side surface of the shell, a rotating rod is arranged in the mounting groove, a fixing hole is formed in the leftmost end of the limiting rod, a fixed rod penetrates through the fixing hole, an inner inclined surface is arranged on the side surface of the rotating rod, the inner inclined surface is fixed in the shell, a buckle is arranged on the outer side of the fixed rod, a groove is formed in the inner side of the buckle, a limiting protrusion and a sealing protrusion are fixed on the upper side of the limiting rod from left to right, a drainage protrusion is fixed on the lower side of the limiting rod, and the right end portion of the limiting rod is sealingly connected to the mounting groove through the rotating rod.

[0006] The present application further discloses that the limiting protrusion and the sealing protrusion can accurately limit the locked position.

[0007] The present application further discloses that the limiting protrusion and the sealing protrusion can block the water flowing into the vehicle door outer lock device to prevent the water from flowing into the lock.

[0008] The upper shell of the application is provided with an upper shell slope, and the lower part of the limiting rod is provided with a lower shell slope, the upper slope can play a water blocking role when water flows in, and the lower slope can play a water guiding role;

[0009] The upper surface of the limiting rod is a drainage slope.

[0010] The drainage protrusion can block water from flowing into the lock.

[0011] The inner slope can guide the water flowing into the lock to drain out of the lock.

[0012] Compared with the prior art, the application has the beneficial effects that: the application precisely limits the locking position and prevents water from entering the lock by setting the limiting structure and the drainage structure, solving the problem of water entering the vehicle door lock device and causing the vehicle self-suction door lock system to malfunction. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the application, and constitute a part of the specification, together with the embodiments of the application, to explain the application, and do not constitute a limitation on the application. In the drawings:

[0014] Figure 1 is a schematic diagram of the overall structure of the application;

[0015] Figure 2 is a schematic diagram of the front structure of the application;

[0016] Figure 3 is a schematic diagram of the enlarged part of the structure of the application;

[0017] Figure 4 is a schematic diagram of the left side of the application;

[0018] Figure 5 is a detailed view of part of the structure of the application (1);

[0019] Figure 6 is a detailed view of part of the structure of the application (2);

[0020] Figure 7 is a detailed view of part of the structure of the application (3);

[0021] In the drawings: 1, limiting protrusion; 2, sealing protrusion; 3, drainage protrusion; 4, drainage slope; 5, upper shell slope; 6, lower shell slope; 7, fixed rod; 8, buckle; 9, fixed hole; 10, rotating rod; 11, mounting groove; 12, groove; 13, outer lock device shell; 14, limiting rod; 15, vehicle door lock device; 16, inner slope. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be further described in detail below in conjunction with the preferred embodiments and the drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0023] Please refer to Figures 1-5 The present application provides a technical solution: a limiting and waterproof device of a self-sucking door for vehicles, comprising a vehicle door outer locking device 15 and a limiting rod 14. The outer surface of the vehicle door outer locking device 15 is an outer locking device shell 13. The upper part of the outer locking device shell 13 is an upper shell inclined surface 5. The lower part of the limiting rod 14 is provided with a lower shell inclined surface 6. The left side of the outer locking device shell 13 is provided with a mounting groove 11. A rotating rod 10 is fixed in the mounting groove 11. The side of the rotating rod 10 is provided with an inner inclined surface 16. The inner inclined surface 16 is fixed in the outer locking device shell 13. The leftmost end of the limiting rod 14 is provided with a fixing hole 9. A fixed rod 7 penetrates through the middle of the fixing hole 9. A buckle 8 is fixed on the outside of the fixed rod 7. A groove 12 is formed in the inner side of the buckle 8. The upper surface of the limiting rod 14 is a drainage inclined surface 4. A limiting protrusion 1 is fixed on the left side of the upper surface of the limiting rod 14. A sealing protrusion 2 is fixed on the right side of the limiting protrusion 1. The protrusion height of the sealing protrusion 2 is higher than that of the limiting protrusion 1. A drainage protrusion 3 is fixed on the lower side of the limiting rod 14. The right end of the limiting rod 14 is sealingly connected in the mounting groove 11 through the rotating rod 10.

[0024] Embodiment one

[0025] In this embodiment, the limiting protrusion 1 and the sealing protrusion 2 on the limiting rod 14 can limit the locking position when the owner opens the door.

[0026] Specifically, when the owner pulls the groove 12 to release the safety device, the groove 12 is connected with the lock cylinder through the fixed rod 7. The owner rotates the lock cylinder to drive the buckle 8 and the fixed rod 7. The fixed rod 7 drives the limiting rod 14 to rotate upward around the rotating rod 10. When the limiting rod 14 rotates to a certain angle, the limiting protrusion 1 on the limiting rod 14 will be blocked by the outer locking device shell 13 to limit the limiting rod 14 from continuing to rotate upward, thereby achieving the locking and limiting function of the vehicle door outer locking device 15 upward.

[0027] When the owner pulls the groove 12 to release the safety, the groove 12 is connected with the lock core through the fixed rod 7, the owner rotates the lock core, drives the buckle 8 and the fixed rod 7, the fixed rod 7 drives the limiting rod 14 to rotate downward around the rotating rod 10, when the limiting rod 14 rotates to a certain angle, the drainage protrusion 3 on the limiting rod 14 will be prevented from continuing to rotate downward due to the limitation of the outer lock device shell 13, so that the downward locking limiting function of the vehicle door outer lock device 15 is achieved;

[0028] The present application can limit the up-down position of the locking when unlocking by setting the limiting protrusion 1 and the drainage protrusion 3;

[0029] Embodiment two

[0030] In this embodiment, the drainage protrusion 3 and the drainage slope 4 on the limiting rod 14 can achieve the water guiding and blocking effect when water enters the vehicle lock;

[0031] Specifically, when water enters the vehicle door outer lock device 15, since the right end of the limiting rod 14 is in sealing connection with the outer lock device shell 13, the water will be blocked outside the installation groove 11 first;

[0032] If the limiting rod 14 is in the process of rotating upward during the water entering process, since the limiting rod 14 is provided with the drainage slope 4, the inner slope 16 and the drainage protrusion 3, the water flowing into the outer end of the limiting rod 14 will flow inward along the drainage slope 4, and then be blocked by the limiting protrusion 1, or flow inward again and be blocked by the sealing protrusion 2;

[0033] If the limiting rod 14 is in the process of rotating downward during the water entering process, the water flowing into the outermost end will flow downward along the drainage slope 4, if the water flows into the middle end of the limiting rod 14, it will be blocked by the limiting protrusion 1, if the water flows into the inner end of the limiting rod 14, it will be blocked by the sealing protrusion 2 and then flow downward along the inner slope 16, and the drainage protrusion 3 fixed below the limiting rod 14 can also block and guide the water to flow out;

[0034] Furthermore, the outer lock device shell 13 outside the limiting rod 14 is provided with the upper shell slope 5 and the lower shell slope 6, which can also block and guide the water flowing into the vehicle door outer lock device 15 to flow out, so as to prevent the water from flowing into the limiting rod 14 and achieve the waterproof effect;

[0035] The present application prevents water from entering the inside of the lock by setting the drainage structure and combining multiple slopes, and solves the problem that the water entering the vehicle door outer lock device causes the vehicle self-suction door lock system to malfunction.

[0036] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0037] Finally, it should be pointed out that: the above examples are only used to illustrate the technical solutions of the present application, and are not limited thereto. Although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A self-priming door limiting waterproof device for vehicles, comprising a vehicle door outer locking device (15) and a limiting rod (14), characterized in that: The outer surface of the vehicle door outer lock device (15) is an outer lock device shell (13), the left side of the outer lock device shell (13) is provided with a mounting groove (11), a rotating rod (10) is fixed in the mounting groove (11) and rotates forward and backward, a limiting rod (14) is provided with a fixing hole (9) at the left end, a fixing rod (7) is clamped in the fixing hole (9), a buckle (8) is arranged on the outer side of the fixing rod (7), and a limiting protrusion (1) and a sealing protrusion (2) are fixed on the upper side of the limiting rod (14) from left to right.

2. The self-priming door limiting and waterproof device for vehicles according to claim 1, characterized in that: The rotating rod (10) is provided with an inner inclined surface (16) on the side, and the inner inclined surface (16) is arranged in the outer lock device shell (13).

3. The self-priming door limiting and waterproof device for vehicles according to claim 2, characterized in that: The upper surface of the limiting rod (14) is a drainage inclined surface (4).

4. The self-priming door limiting and waterproof device for vehicles according to claim 3, characterized in that: The upper part of the outer lock device shell (13) is an upper shell inclined surface (5), and the lower part of the outer side of the limiting rod (14) is provided with a lower shell inclined surface (6).

5. The self-priming door limiting and waterproof device for vehicles according to claim 4, characterized in that: The lower side of the limiting rod (14) is fixed with a drainage protrusion (3).

6. The self-priming door limiting and waterproof device for vehicles according to claim 5, characterized in that: The inner side of the buckle (8) is provided with a groove (12).

7. The self-priming door limiting and waterproof device for vehicles according to claim 6, characterized in that: The right end of the limiting rod (14) is sealingly connected in the vehicle door outer lock device (15) through the rotating rod (10).

Citation Information

Patent Citations

  • Vehicle door locking device

    CN203613903U

  • Door lock cylinder mechanism, door lock and vehicle

    CN218991234U