Emergency window breaker and door system

Abstract

The application discloses an emergency window breaker system and a vehicle door system, and relates to the technical field of vehicle safety equipment. The emergency window breaker system comprises a window breaker body, a pull wire combination and an inner opening handle. The window breaker body comprises a shell, a window breaking nail, a stop pin and an elastic piece. The shell is provided with a working cavity, a nail hole and a pin hole. The window breaking nail is in contact with the elastic piece and penetrates the nail hole. The stop pin limits the window breaking nail. The window breaker body is fixed to a vehicle door sheet metal. The pull wire combination connects the stop pin and the inner opening handle on the door guard handrail. In a normal state, the elastic piece stores energy. When the inner opening handle is pulled, the pull wire drives the stop pin to release the limit, and the elastic piece drives the window breaking nail to impact the glass to break the window. The application solves the problems of traditional window breaking equipment, such as easy displacement and complicated operation. The application is simple to operate and quick to break the window. After the vehicle door system is integrated, the compatibility is high, and the safety of the vehicle is improved.

Description

Technical Field

[0001] This invention relates to the field of vehicle safety equipment technology, and more specifically, to an emergency window breaker and a vehicle door system. Background Technology

[0002] With socio-economic development, the number of cars on the road has been increasing year by year. Accidents involving vehicles that cannot be opened normally due to collisions, falling into water, fires, or electrical failures occur frequently. In emergency situations such as deformation of the passenger compartment, water pressure obstruction, fire spread, or failure of electronic locks, traditional mechanical door opening methods may completely fail, putting the occupants in an extremely dangerous situation.

[0003] The car door glass is located right next to the occupants and is the thinnest light-transmitting component in the entire vehicle structure. In an emergency, breaking the window is the most feasible and fastest escape method. Therefore, equipping the vehicle with an independent and reliable door glass breaker system is a key requirement for improving vehicle safety and protecting the lives of occupants.

[0004] In existing technologies, traditional window breakers or safety hammers need to be placed in a storage structure inside the vehicle, such as the armrest box or glove compartment. In an emergency, occupants need to search through this storage structure before using the window breaker or safety hammer to break the window. First, searching for the window breaker or safety hammer wastes valuable escape time. Second, in situations such as falling into water, the water pressure can hinder occupants from breaking the window. Finally, in emergency situations such as collisions, the window breaker or safety hammer is likely to fall, splash, or shift uncontrollably, further increasing the difficulty for occupants to search for it.

[0005] To address the shortcomings of the existing technology, this invention provides an emergency window breaker and vehicle door system, which solves the problems of traditional window breaker devices being easily moved, cumbersome to operate, and time-consuming, thereby improving the safety and efficiency of occupant escape in emergency situations. Summary of the Invention

[0006] The purpose of this invention is to provide an emergency window breaker and vehicle door system that overcomes the shortcomings of traditional window breakers in the prior art, such as easy displacement, cumbersome operation, and long escape time. It achieves simple, fast, and reliable window breaking operation, and the equipment is not easily displaced, ensuring that occupants can escape quickly in an emergency.

[0007] The technical solution of this invention is implemented as follows: An emergency window breaker includes a window breaker body, a pull cord assembly, and an inner opening handle; The window breaker body includes a window breaker body shell, a window breaker nail, a stop pin, and an elastic element. The window breaker body shell has a working cavity. The elastic element is disposed on one inner wall of the working cavity, and a nail hole is opened on the other side wall along a first direction. The window breaker nail is disposed inside the window breaker body shell. One end of the window breaker nail contacts the elastic element, and the other end is a pointed tip that passes through the nail hole and can extend and retract in the nail hole. The window breaker body shell also has a pin hole. The stop pin is installed in the pin hole and is used to limit the window breaker nail from extending along the first direction. The window breaker body is fixed to the door sheet metal assembly. One end of the pull cable assembly is connected to the window breaker nail, and the other end passes through the door sealing curtain and is connected to the inner opening handle. The inner opening handle is connected to the door panel armrest. Under normal conditions, the stop pin restricts the movement of the window breaker nail, and the elastic element is in an energy storage state; when the inner opening handle is pulled, the pull cable assembly drives the stop pin and releases the restriction on the window breaker nail, and the elastic element releases energy to drive the window breaker nail to hit the door glass and complete the window breaking.

[0008] Furthermore, the longitudinal section of the window-breaking nail is T-shaped, including a limiting part and a nail body connected together. The diameter of the limiting part is larger than the diameter of the nail body. The end of the nail body is a pointed structure. The nail body passes through the nail hole and its pointed structure at the end is corresponding to the door glass. The pin hole is opened along the second direction, which is perpendicular to the first direction. The end of the stop pin located in the working cavity is used to block the limiting part so that the window breaker nail is in a contracted state and squeezes the elastic element.

[0009] Furthermore, a cylinder is provided on one inner wall of the working cavity, and the cylinder is coaxially arranged with the nail hole. The elastic element is a spring, which is correspondingly fitted on the outside of the cylinder.

[0010] Furthermore, the outer shell of the window breaker body is provided with a threaded hole structure and a first pull wire sleeve snap-fit ​​structure, and the stop pin is provided with a first pull wire snap-fit ​​structure; The internal opening handle includes a handle base and a handle handle. The handle base is provided with a claw and a second pull cable sleeve engaging structure, and the handle handle is provided with a second pull cable engaging structure.

[0011] Furthermore, the pull wire assembly includes a pull wire and a pull wire sleeve disposed outside the pull wire. The two ends of the pull wire are respectively provided with snap-fit ​​posts, and the two ends of the pull wire sleeve are respectively provided with snap-fit ​​rings.

[0012] Furthermore, the locking pin at one end of the pull cable engages with the first pull cable locking structure on the stop pin, and the locking pin at the other end engages with the second pull cable locking structure of the handle. The snap ring at one end of the pull wire sleeve engages with the first pull wire sleeve snap-fit ​​structure of the window breaker body shell, and the snap ring at the other end engages with the second pull wire sleeve snap-fit ​​structure of the window breaker body shell.

[0013] Furthermore, the window breaker body is fastened to the door sheet metal assembly by fixing bolts; The inner opening handle is fixedly engaged with the door panel armrest.

[0014] The present invention also provides a vehicle door system, comprising a vehicle door sheet metal assembly, a vehicle door glass, a sealing curtain, and an emergency window breaker, wherein the emergency window breaker is integrated and assembled inside the vehicle door.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. The emergency window breaker of the present invention is integrated into the interior of the vehicle door, avoiding the problems of traditional window breakers or safety hammers being easy to fall, fly, or shift, ensuring that the equipment is always in a usable state in an emergency, without requiring passengers to search for it, thus saving escape time.

[0016] 2. The operation is simple and convenient. In an emergency, passengers do not need to search for or hold the window-breaking device. They only need to pull the inner opening handle on the door panel armrest to release the stop pin's restriction on the window-breaking nail through the cable combination. The energy released by the elastic element drives the window-breaking nail to hit the door glass and quickly break the window. It is especially suitable for scenarios where passengers are unable to move easily after falling into water or a collision, reducing the difficulty of operation.

[0017] 3. The overall structure is reasonably designed, the connection between the window breaker body, the pull cable assembly and the inner opening handle is reliable, the stop pin and the window breaking nail are precisely matched, the elastic element stores energy stably, the window breaking process is fast and efficient, and it can provide occupants with a reliable escape route in emergency situations, thereby improving the safety performance of the vehicle.

[0018] 4. After integrating this emergency window breaker into the vehicle door system, there is no need to make major modifications to the original door structure. It is easy to assemble, highly compatible, and can be widely used in various passenger cars and commercial vehicles, making it a valuable tool for promotion. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of the emergency window breaker of the present invention; Figure 2 This is a cross-sectional view of the window breaker body of the present invention; Figure 3 This is a schematic diagram of the drawbar assembly of the present invention; Figure 4 This is a schematic diagram of the internal opening handle of the present invention; Figure 5 This is a schematic diagram of the window breaker of the present invention installed on the sheet metal assembly of a car door; Figure 6 This is a schematic diagram of the motion transmission of the window breaker of the present invention; Figure 7 This is a schematic diagram showing the window breaker pin in a retracted state before the window breaker of the present invention is triggered; Figure 8 This is a schematic diagram showing the window breaker pin in the extended state after the window breaker of the present invention is triggered.

[0021] In the picture: 1-Window breaker body; 100-Window breaker body shell; 1001-Working chamber; 102-Window breaker nail; 103-Stop pin; 104-Elastic element; 105-Threaded hole structure; 106-First pull wire clamping structure; 107-First pull wire sleeve clamping structure; 108-Cylinder; 2-Guard assembly; 201-Guard wire; 202-Guard sleeve; 203-Snap-fit ​​post; 204-Snap-fit ​​ring; 3-Internal opening handle; 301-Handle base; 302-Handle pull handle; 303-Claw; 304-Second pull cable sleeve locking structure; 305-Second pull cable locking structure; 4-Fixing bolts; 5-Door sheet metal assembly; 6-Door glass. Detailed Implementation

[0022] To make the objectives, 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 accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0024] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0025] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention. In addition, the terms "first," "second," "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0026] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0027] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0028] The following detailed description of some embodiments of the present invention is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0029] It should be noted that in the description of this invention, the terms "first direction" and "second direction" are used for descriptive purposes only and do not refer to a specific fixed direction. Rather, they are defined according to the installation orientation of the window breaker body 1 and the movement direction of the window breaker nail 102, in order to facilitate the description of the structure of this invention, rather than to limit the scope of protection of this invention.

[0030] Example 1: An emergency window breaker like Figures 1-8 As shown, this embodiment provides an emergency window breaker, which mainly includes a window breaker body 1, a pull cord assembly 2, and an inner opening handle 3. The three work together to achieve the function of quickly breaking windows in emergency situations.

[0031] The structure of the window breaker body 1 is described below: The window breaker body 1 is the core component for realizing the window breaking function. It includes the window breaker body shell 100, the window breaking nail 102, the stop pin 103, and the elastic element 104. The specific structure and connection relationship of each component are as follows: The outer casing 100 of the window breaker body can be made of high-strength plastic or aluminum alloy, possessing a certain structural strength to withstand the pressure of the elastic element 104 when storing energy and the impact force when breaking the window, thus preventing damage to the casing from affecting the window-breaking effect. An internal working cavity 1001 is provided inside the outer casing 100 of the window breaker body. This working cavity 1001 provides space for the installation of the window-breaking nail 102, the elastic element 104, and the stop pin 103, while also protecting these components from dust and water stains that could affect their operation.

[0032] An elastic element 104 is provided on one inner wall of the working cavity 1001 (the side away from the door glass 6), and a nail hole is provided on the other inner wall (the side close to the door glass 6) along the first direction (i.e. the direction of movement of the window breaker 102, perpendicular to the door glass 6). The diameter of the nail hole matches the diameter of the nail body of the window breaker 102, ensuring that the window breaker 102 can smoothly extend and retract in the nail hole, while preventing the window breaker 102 from deviating during movement.

[0033] The longitudinal section of the window breaker 102 is T-shaped, including an integrally formed limiting part and a nail body. The limiting part is located inside the working cavity 1001, and its diameter is larger than the diameter of the nail body and also larger than the diameter of the nail hole. This prevents the window breaker 102 from completely detaching from the window breaker body shell 100 under the drive of the elastic element 104. The end of the nail body is a pointed structure, made of high-strength hard alloy material, with a hardness higher than that of the car door glass 6, ensuring that the glass can be broken quickly. The nail body is inserted into the nail hole, and its pointed end is correspondingly set with the car door glass 6 to ensure that the impact force when breaking the window can be accurately applied to the glass surface.

[0034] To improve the installation stability and energy storage effect of the elastic element 104, a cylinder 108 is integrally formed on the inner wall of one side of the working cavity 1001 where the elastic element 104 is located. The cylinder 108 is coaxially arranged with the nail hole. The elastic element 104 is a compression spring, which is fitted onto the outer side of the cylinder 108. The cylinder 108 guides and limits the spring, preventing it from bending or shifting during compression and extension, ensuring that the spring can stably store and release energy. The limiting part of the window breaker nail 102, away from the nail body, contacts one end of the spring, and the other end of the spring is fixedly connected to the inner wall of the working cavity 1001. Under normal conditions, the spring is in a compressed energy storage state, applying a pushing force towards the door glass 6 to the window breaker nail 102.

[0035] The window breaker body housing 100 is also provided with a pin hole, which is opened along a second direction and perpendicular to the first direction. The pin hole penetrates the side wall of the window breaker body housing 100 and is connected to the working cavity 1001. A stop pin 103 is installed in the pin hole. One end of the stop pin 103 extends into the working cavity 1001 and the other end extends to the outside of the housing. The end of the stop pin 103 located in the working cavity 1001 is used to block the limiting part of the window breaker nail 102, thereby restricting the window breaker nail 102 from extending along the first direction and keeping the window breaker nail 102 in a contracted state. At this time, the spring is in a compressed and energy-storing state. When the stop pin 103 moves along the second direction and disengages from the limiting part, the limiting of the window breaker nail 102 is released, the spring releases energy, and drives the window breaker nail 102 to extend rapidly along the first direction, hitting the car door glass 6 to complete the window breaking.

[0036] In addition, the window breaker body housing 100 is also provided with a threaded hole structure 105 and a first pull cable sleeve snap-fit ​​structure 107. The threaded hole structure 105 is used to fasten the window breaker body 1 to the door sheet metal assembly 5 with the fixing bolts 4, ensuring that the window breaker body 1 is firmly installed and preventing displacement when breaking the window. The first pull cable sleeve snap-fit ​​structure 107 adopts a slot design and is used to engage with the pull cable sleeve 202 of the pull cable assembly 2 to fix the pull cable sleeve 202. The stop pin 103 is provided with a first pull cable snap-fit ​​structure 106, which also adopts a slot design, and is used to connect to one end of the pull cable 201 of the pull cable assembly 2 to ensure that the pull cable 201 can drive the stop pin 103 to move.

[0037] The structure of the internally opening handle 3 is described below: The inner opening handle 3 is set on the door panel armrest, which is convenient for passengers to quickly access and operate in an emergency. It includes a handle base 301 and a handle handle 302, which are connected by a hinge. The handle base 301 is provided with three claws 303. The handle base 301 can be locked to the door panel armrest by the claws 303. The installation is convenient and firm, without the need for additional fixing bolts 4, thus avoiding damage to the structure of the door panel.

[0038] The handle base 301 is provided with a second pull wire sleeve snap-fit ​​structure 304, which is consistent with the structure of the first pull wire sleeve snap-fit ​​structure 107 on the window breaker body shell 100, and is used to engage with the other end of the pull wire sleeve 202 of the pull wire assembly 2; the handle handle 302 is provided with a second pull wire snap-fit ​​structure 305, which is consistent with the structure of the first pull wire snap-fit ​​structure 106 on the stop pin 103, and is used to connect with the other end of the pull wire 201 of the pull wire assembly 2. When the handle handle 302 is pulled, the handle handle 302 rotates around the hinge point, and drives the stop pin 103 to move through the pull wire 201.

[0039] The structure of the pull-wire combination 2 is described below: The pull cable assembly 2 is used to connect the stop pin 103 of the window breaker body 1 and the handle 302 of the inner opening handle 3 to transmit the pulling force. It includes a pull cable 201 and a pull cable sleeve 202 set on the outside of the pull cable 201. The pull cable 201 can be made of high-strength steel wire rope, which has good tensile strength and can withstand the pulling force required to pull the stop pin 103, thus avoiding breakage. The pull cable sleeve 202 is made of flexible plastic material, which protects the pull cable 201 and prevents the pull cable 201 from rubbing against other parts inside the door, thus extending the service life of the pull cable 201.

[0040] Both ends of the pull wire 201 are integrally formed with snap-fit ​​posts 203. The shape of the snap-fit ​​posts 203 matches the slots of the first pull wire snap-fit ​​structure 106 and the second pull wire snap-fit ​​structure 305, which facilitates snap-fit ​​fixation and is easy to disassemble, making it convenient for later maintenance and replacement. Both ends of the pull wire sleeve 202 are provided with snap-fit ​​rings 204. The snap-fit ​​rings 204 are made of rigid material and are fixedly connected to the pull wire sleeve 202. The shape of the snap-fit ​​rings 204 matches the first pull wire sleeve snap-fit ​​structure 107 and the second pull wire sleeve snap-fit ​​structure 304, which fixes both ends of the pull wire sleeve 202.

[0041] The specific connection method is as follows: the locking post 203 at one end of the pull cable 201 engages with the first pull cable locking structure 106 on the stop pin 103 to ensure a firm connection between the pull cable 201 and the stop pin 103, and to synchronously move the stop pin 103 when the pull cable 201 is pulled; the locking post 203 at the other end of the pull cable 201 engages with the second pull cable locking structure 305 on the handle 302 to achieve a fixed connection between the pull cable 201 and the handle 302. The locking ring 204 at one end of the pull cable sleeve 202 engages with the first pull cable sleeve locking structure 107 on the window breaker body shell 100, and the locking ring 204 at the other end engages with the second pull cable sleeve locking structure 304 on the handle seat 301, so that the pull cable sleeve 202 is fixed between the window breaker body 1 and the inner opening handle 3, and the pull cable 201 can move freely inside the pull cable sleeve 202 to transmit pulling force.

[0042] It should be noted that during installation, the pull cable assembly 2 needs to pass through the notch on the door sealing curtain to engage with the inner opening handle 3; or, in order to avoid damage to the sealing curtain by the pull cable 201 and the pull cable sleeve 202, and to ensure the sealing performance of the door, a through hole matching the diameter of the pull cable sleeve 202 is opened on the sealing curtain. The pull cable sleeve 202 passes through this through hole, and the through hole and the pull cable sleeve 202 are sealed with sealant to ensure that the sealing performance is not affected.

[0043] The working process of an emergency window breaker: In normal conditions, the stop pin 103 is installed in the pin hole of the window breaker body housing 100. One end of it, located in the working cavity 1001, blocks the limiting part of the window breaker nail 102, restricting the window breaker nail 102 from extending in the first direction. At this time, the spring is in a compressed and stored state, and the pointed structure at the end of the nail body of the window breaker nail 102 is located in the nail hole and does not contact the door glass 6. The pull cable assembly 2 is in a relaxed state, and the handle 302 of the inner opening handle 3 is in a natural state and fits against the handle seat 301.

[0044] In case of an emergency (such as a vehicle collision, falling into water, or fire) and the car door cannot be opened normally, the occupants can quickly reach to the door panel armrest and pull the handle 302 of the inner opening handle 3. The handle 302 rotates around the hinge point with the handle seat 301, causing the pull cable 201 of the pull cable assembly 2 to move towards the handle 302. The pull cable 201 slides inside the pull cable sleeve 202, and at the same time, it causes the stop pin 103 to move in the second direction, so that the end of the stop pin 103 located in the working cavity 1001 disengages from the limiting part of the window breaker 102, thus releasing the limiting of the window breaker 102.

[0045] After the stop pin 103 releases its limit on the window breaker 102, the spring, which is in a compressed and stored state, quickly releases its energy and applies a pushing force toward the door glass 6 to the limiting part of the window breaker 102, driving the window breaker 102 to extend rapidly in the first direction. The pointed structure at the end of the window breaker 102 hits the door glass 6 and uses the impact force of the pointed head to shatter the door glass 6, allowing the occupants to escape through the broken glass, thus completing the window breaking operation.

[0046] After breaking the window, the window breaking nail 102 can be manually pushed back into the working chamber 1001, and the stop pin 103 can be reinstalled in the return pin hole to compress the spring and store energy again, thus resetting the window breaker system for future use. If components such as the pull wire 201 and the spring are damaged, the corresponding components can be replaced by disassembling the snap-fit ​​structure, making maintenance convenient.

[0047] Example 2: A vehicle door system This embodiment provides a vehicle door system, including a vehicle door sheet metal assembly 5, a vehicle door glass 6, a sealing curtain, and the emergency window breaker described in Embodiment 1. The emergency window breaker is integrated into the interior of the vehicle door, without requiring significant modifications to the original structure of the vehicle door, and has strong compatibility.

[0048] The specific assembly method is as follows: The window breaker body 1 is fastened to the inside of the door sheet metal assembly 5 by passing the fixing bolt 4 through the threaded hole structure 105 on its outer shell. The installation position corresponds to the edge area of ​​the door glass 6 (this area is the weak part of the glass, which makes it easy for the window breaker nail 102 to quickly break the glass); the inner opening handle 3 is fixed to the door guardrail by the claw 303 on the handle seat 301. The handle 302 is exposed on the surface of the armrest for easy operation by the occupants; one end of the pull cable assembly 2 is connected to the stop pin 103, and the other end passes through the through hole on the door sealing curtain (the through hole is sealed with sealant) and is connected to the handle 302 of the inner opening handle 3. The two ends of the pull cable sleeve 202 are respectively fixed to the first pull cable sleeve clamping structure 107 of the window breaker body outer shell 100 and the second pull cable sleeve clamping structure 304 of the handle seat 301 to ensure that the pull cable assembly 2 is installed firmly.

[0049] When the door system is in normal use, the emergency window breaker is in its normal state and does not affect the normal opening and closing of the door. In case of an emergency and the door cannot be opened normally, the occupants can quickly break the window by pulling the inner opening handle 3, which buys valuable time for escape and significantly improves the safety performance of the door system, thereby improving the safety of the entire vehicle.

[0050] The beneficial effects of the technical solution of the present invention are: 1. The emergency window breaker of the present invention is integrated into the interior of the vehicle door and is securely fixed by fixing bolts 4 and snap-fit ​​structure, avoiding the problems of traditional window breakers or safety hammers being easy to fall, fly, or shift, ensuring that the equipment is always in a usable state in an emergency, without the need for passengers to search for it, saving escape time.

[0051] 2. The operation is simple and convenient. In an emergency, the occupant does not need to search for or hold the window-breaking device. He only needs to pull the inner opening handle 3 on the door panel armrest. The pull cable assembly 2 can release the stop pin 103 from limiting the window-breaking nail 102. The energy released by the elastic element 104 drives the window-breaking nail 102 to hit the door glass 6, quickly breaking the window. It is especially suitable for scenarios where the occupant is unable to move after falling into water or a collision, reducing the difficulty of operation.

[0052] 3. The overall structure is reasonably designed. The connection between the window breaker body 1, the pull cable assembly 2 and the inner opening handle 3 is reliable. The stop pin 103 and the window breaking nail 102 are precisely matched. The elastic element 104 stores energy stably. The window breaking process is fast and efficient. It can provide a reliable escape route for occupants in emergency situations and improve the safety performance of the vehicle.

[0053] 4. After integrating this emergency window breaker into the vehicle door system, there is no need to make major modifications to the original door structure. It is easy to assemble, highly compatible, and can be widely used in various passenger cars and commercial vehicles, making it a valuable tool for promotion.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An emergency window breaker, characterized in that, Includes the window breaker body (1), the pull cord assembly (2), and the inner opening handle (3); The window breaker body (1) includes a window breaker body shell (100), a window breaker nail (102), a stop pin (103), and an elastic element (104). The window breaker body shell (100) has a working cavity (1001). The elastic element (104) is provided on one side inner wall of the working cavity (1001), and a nail hole is opened on the other side wall along a first direction. The window breaker nail (102) is disposed inside the window breaker body shell (100). One end of the window breaker nail (102) contacts the elastic element (104), and the other end is a pointed tip that passes through the nail hole and can extend and retract in the nail hole. The window breaker body shell (100) also has a pin hole. The stop pin (103) is installed in the pin hole and is used to restrict the window breaker nail (102) from extending along the first direction. The window breaker body (1) is fixed to the door sheet metal assembly (5). One end of the pull cable assembly (2) is connected to the window breaker nail (102), and the other end passes through the door sealing curtain and is connected to the inner opening handle (3). The inner opening handle (3) is connected to the door panel armrest. Under normal conditions, the stop pin (103) restricts the movement of the window breaker (102), and the elastic element (104) is in an energy storage state; when the inner opening handle (3) is pulled, the pull cable assembly (2) drives the stop pin (103) and releases the restriction on the window breaker (102), and the elastic element (104) releases energy to drive the window breaker (102) to hit the door glass (6) to complete the window breaking.

2. The emergency window breaker according to claim 1, characterized in that, The longitudinal section of the window-breaking nail (102) is T-shaped, including a limiting part and a nail body connected together. The diameter of the limiting part is larger than the diameter of the nail body. The end of the nail body is a pointed structure. The nail body passes through the nail hole and its pointed structure at the end corresponds to the door glass (6). The pin hole is opened along the second direction and the second direction is perpendicular to the first direction. The end of the stop pin (103) located in the working cavity (1001) is used to block the limiting part so that the window breaker nail (102) is in a contracted state and squeezes the elastic member (104).

3. The emergency window breaker according to claim 2, characterized in that, A cylinder (108) is provided on one side of the inner wall of the working cavity (1001), and the cylinder (108) is coaxially arranged with the nail hole. The elastic element (104) is a spring, and the spring is fitted on the outer side of the cylinder (108).

4. The emergency window breaker according to claim 1, characterized in that, The window breaker body shell (100) is provided with a threaded hole structure (105) and a first pull wire sleeve snap-fit ​​structure (107), and the stop pin (103) is provided with a first pull wire snap-fit ​​structure (106). The internal opening handle (3) includes a handle base (301) and a handle handle (302). The handle base (301) is provided with a claw (303) and a second pull cable sleeve snap-fit ​​structure (304). The handle handle (302) is provided with a second pull cable snap-fit ​​structure (305).

5. The emergency window breaker according to claim 4, characterized in that, The pull wire assembly (2) includes a pull wire (201) and a pull wire sleeve (202) disposed outside the pull wire (201). The two ends of the pull wire (201) are respectively provided with snap-fit ​​posts (203), and the two ends of the pull wire sleeve (202) are respectively provided with snap-fit ​​rings (204).

6. The emergency window breaker according to claim 5, characterized in that, The locking pin (203) at one end of the pull wire (201) engages with the first pull wire locking structure (106) on the stop pin (103), and the locking pin (203) at the other end engages with the second pull wire locking structure (305) of the handle (302). The snap ring (204) at one end of the pull wire sleeve (202) engages with the first pull wire sleeve snap structure (107) of the window breaker body shell (100), and the snap ring (204) at the other end engages with the second pull wire sleeve snap structure (304) of the window breaker body shell (100).

7. The emergency window breaker according to claim 1, characterized in that, The window breaker body (1) is fastened to the door sheet metal assembly (5) by fixing bolts (4); The inner opening handle (3) is fixedly engaged with the door panel armrest.

8. A vehicle door system, characterized in that, The device includes a door sheet metal assembly (5), a door glass (6), a sealing curtain, and an emergency window breaker as described in any one of claims 1-7, wherein the emergency window breaker is integrated into the interior of the door.

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