CN109131187B

CN109131187B - Small folding type vehicle window breaking self-rescuer

Info

Publication number: CN109131187B
Application number: CN201810890868.1A
Authority: CN
Inventors: 李支峰
Original assignee: Anhui Tianyu Automobile Parts Manufacturing Co ltd
Current assignee: Anhui Tianyu Automobile Parts Manufacturing Co ltd
Priority date: 2018-08-07
Filing date: 2018-08-07
Publication date: 2021-05-07
Anticipated expiration: 2038-08-07
Also published as: CN109131187A

Abstract

The invention discloses a small-sized folding type vehicle window crushing self-rescuer which comprises a protective cylinder body, wherein a first opening is formed in the middle position of the top surface of the protective cylinder body in a penetrating mode, a first window breaking slide rod is inserted into the surface of the first opening, the top end of the first window breaking slide rod is positioned outside the protective cylinder body and is fixedly connected with a limiting handle, a second opening is formed in the middle position of the bottom surface of the protective cylinder body, a third opening and a fourth opening are sequentially formed in the positions, located on the two sides of the second opening, of the bottom surface of the protective cylinder body from left to right, and a protective bottom cover is connected to the bottom of the outer surface of the protective cylinder body in a threaded mode. This broken self-rescuer of small-size foldable door window includes the dust cover, has reached the purpose of the safe handling of being convenient for, and whole device convenient to use and use cost are lower, and inner structure is comparatively simple not fragile, so its life is longer, and the safety in utilization of whole device is higher.

Description

Small folding type vehicle window breaking self-rescuer

Technical Field

The invention relates to the technical field of vehicle window crushing self-rescue equipment, in particular to a small folding vehicle window crushing self-rescue device.

Background

A window breaker is an auxiliary escape tool installed in a closed cabin, and is generally installed in a place which is easy to take in the closed cabin of an automobile and the like, when the closed cabin of the automobile and the like has a fire or falls into water and other emergency situations, a glass window door can be conveniently taken out and smashed to smoothly escape, after the automobile encounters an emergency situation, a safety hammer is aligned to the glass of a side window of the automobile, the hip of the safety hammer is pressed by force, a hidden firing pin is released to instantly break a window glass, then the firing pin automatically returns to the position, the safety hammer can be used repeatedly as if a ball pen is used, however, due to the fact that the impact force of the firing pin is large, magazines and other objects are preferably padded to prevent the magazines and the like from being damaged by the broken glass, the button is excited, about 8 kilograms of. The broken self-rescuer of current door window utilizes the firing pin when carrying out the breakage to the door window, the user is because holding broken window ware so the broken glass distance of hand utensil is nearer in the glass fragmentation process, easily accidentally injure its both hands, and current broken window ware inner structure is more complicated, spare part fragile or dislocation during the use, be unfavorable for prolonging its life, and because current small-size foldable broken window ware is because the less event of volume is inconvenient fixes it and accomodates and easily lose or can't find it fast when using, can delay best broken window self-rescuer.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a small-sized folding type vehicle window breaking self-rescuer, which solves the problems that when a vehicle window is broken by using a firing pin, a user holds a window breaking device with a short distance of glass broken at the hand in the glass breaking process, the user is easy to accidentally injure the two hands of the user, the existing window breaking device is complex in internal structure, parts are easy to damage or misplace during use, the service life of the existing window breaking device is not prolonged, and the existing small-sized folding type window breaking device is inconvenient to fixedly store the existing small-sized folding type window breaking device due to small size, is easy to lose or cannot be found quickly during emergency use, and the best window breaking self-rescuer can be delayed.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a small folding type vehicle window breaking self-rescuer comprises a protective barrel body, wherein a first opening is formed in the middle position of the top surface of the protective barrel body in a penetrating mode, a first window breaking slide rod is inserted into the surface of the first opening, the top end of the first window breaking slide rod is positioned outside the protective barrel body and fixedly connected with a limiting handle, a second opening is formed in the middle position of the bottom surface of the protective barrel body, a third opening and a fourth opening are sequentially formed in the positions, on the bottom surface of the protective barrel body and on the two sides of the second opening respectively, a protective bottom cover is in threaded connection with the bottom of the outer surface of the protective barrel body, a fixed limiting rod is arranged at the position, close to one side surface of the protective barrel body, aligned with the third opening and the fourth opening respectively, of the protective bottom cover, far away from one side surface of the protective barrel body, and through holes are formed in the positions aligned with the middle position of the bottom surface of the fixed limiting, the surface of the through hole is inserted with a connecting rod, the top end of the connecting rod is located outside the through hole and fixedly connected with the fixed limiting rod, the bottom end of the connecting rod extends to the outside of the protective bottom cover and fixedly connected with a limiting block through the through hole, the top of the outer surface of the protective barrel is in threaded connection with the protective top cover, the top surface of the protective top cover is fixedly connected with the fixed accommodating block at the rear part, the fixed accommodating block is provided with a cutter groove at the middle position in the front, one end of the inner cavity of the cutter groove is rotatably connected with a safety belt through a fixed rotating shaft, the protective bottom cover is far away from the middle position of the surface of one side of the protective cutting barrel, and the middle position of the first broken window slide bar located in the.

Preferably, the crushing driving device comprises a fixed supporting plate, the fixed supporting plate is sleeved on the surface of the first window breaking slide rod and is fixedly connected with the first window breaking slide rod, the bottom surface of the fixed supporting plate is respectively close to the middle positions of the front surface and the back surface of the fixed supporting plate, the second window breaking slide rod and the third window breaking slide rod are respectively and fixedly connected with the middle positions, the bottom surface of the inner surface of the protective cylinder body is adjacent to the surface of one side, away from the second window breaking slide rod, of the third opening, the position, close to one circle of the edge of the fixed supporting plate, is fixedly arranged on the surface of the fixed sliding chute, fixedly clamped and slidably connected with the fixed sliding ring, and the top surface of the fixed sliding ring is uniformly distributed and fixedly connected with the spring, the top end of the spring is fixedly connected with the top of the inner surface of the protective cylinder body.

Preferably, the fixing device comprises a fixed connecting block, a fixed insertion hole is formed in the middle of the bottom surface of the fixed connecting block, a fixed insertion rod is fixedly clamped in the surface of the fixed insertion hole, a fixed supporting block is fixedly connected to the bottom end of the fixed insertion rod, a fixed base is fixedly connected to the bottom surface of the fixed supporting block, and a double-faced adhesive tape is fixedly connected to the bottom surface of the fixed base.

Preferably, the centers of circles of the third opening, the fourth opening, the second window breaking slide bar and the third window breaking slide bar are located on the same circumference.

Preferably, first opening diameter the same with first broken window slide bar diameter, just first broken window slide bar fixing clip establish on first opening surface, and the two sliding connection, second broken window slide bar and third broken window slide bar diameter the same with third opening and fourth opening diameter respectively, just second broken window slide bar and third opening between sliding connection, third broken window slide bar and fourth opening between sliding connection.

Preferably, the bottom ends of the first window breaking slide bar, the second window breaking slide bar and the third window breaking slide bar are cones with pointed ends facing downwards, and the bottom ends of the first window breaking slide bar, the second window breaking slide bar and the third window breaking slide bar are located on the same horizontal plane.

Preferably, the bottom surface of the fixed connecting block is fixedly connected with a fixed connecting plate, the fixed connecting plate is a permanent magnet, and the top surface of the fixed supporting block is coated with magnetic paint.

Preferably, the diameters of the third opening and the fourth opening are the same, the first limiting baffle and the second limiting baffle are the same in specification and are in a semicircular shape, and the circle centers of the first limiting baffle and the second limiting baffle are respectively located on the same horizontal straight line with the circle centers of the third opening and the fourth opening.

Preferably, the middle position of the front surface of the safety belt cutting knife penetrates through the knife groove and extends to the outside of the knife groove.

Preferably, the fixed accommodating block and the protective top cover are formed by integral injection molding.

(III) advantageous effects

The invention provides a small folding type vehicle window breaking self-rescuer. The method has the following beneficial effects:

(1) the small folding type vehicle window breaking self-rescuer is characterized in that a first opening is formed in the middle position of the top surface of a protection barrel in a penetrating mode, a first window breaking slide bar is inserted into the surface of the first opening, the top end of the first window breaking slide bar is located outside the protection barrel and fixedly connected with a limiting handle, a second opening is formed in the middle position of the bottom surface of the protection barrel, a third opening and a fourth opening are sequentially formed in the positions, located on the two sides of the second opening, of the bottom surface of the protection barrel from left to right, a protection bottom cover is connected to the bottom of the outer surface of the protection barrel in a threaded mode, fixed limiting rods are arranged at the positions, close to the side surface of the protection barrel, of the protection bottom cover and aligned with the third opening and the fourth opening respectively, through holes are formed in the positions, far away from the side surface of the protection barrel, of the protection bottom surface of, the top end of the connecting rod is positioned outside the through hole and fixedly connected with the fixed limiting rod, the bottom end of the connecting rod extends to the outside of the protective bottom cover through the through hole and is fixedly connected with the limiting block, the top part of the outer surface of the protective cylinder body is in threaded connection with the protective top cover, the position of the top surface of the protective top cover and the rear part of the protective top cover is fixedly connected with the fixed containing block, the middle position of the front surface of the fixed containing block is provided with a cutter groove, one end of the inner cavity of the cutter groove is rotatably connected with a safety belt cutter through a fixed rotating shaft, the middle position of the protective bottom cover, which is far away from the side surface of the protective cylinder body, is fixedly connected with a fixing device, the middle position of the first window breaking slide rod, which is positioned in the inner cavity part of the protective cylinder body, is sleeved with a breaking, then, the bottom surface of the protective cylinder is vertically aligned with the window glass to be broken, then, the first window breaking slide bar is rotated clockwise to drive the fixed support plate to rotate, so that the second window breaking slide bar and the third window breaking slide bar below the fixed support plate can be driven to rotate clockwise, at the moment, the second window breaking slide bar just rotates to be overlapped with the third opening, and the third window breaking slide bar just moves to be overlapped with the fourth opening, so that the bottom ends of the second window breaking slide bar and the third window breaking slide bar lose the supporting function, the spring is not stressed by upward pressure to recover deformation, the spring recovers deformation from the contraction state to begin to stretch, the fixed support plate is driven to continuously approach the glass, the first window breaking slide bar, the second window breaking slide bar and the third window breaking slide bar below the fixed support plate can be driven to move in the same direction until the first window breaking slide bar, the second window breaking slide bar and the third window breaking slide bar respectively pass through the second opening, the third opening, the second opening, the third, The third opening and the fourth opening are punched out of the protective cylinder body and finally collide with the glass of the car window to be broken quickly to break the glass, hands do not need to exert excessive force in the direction of the glass in the breaking process, the protective cylinder body can play a certain isolation role, the phenomenon that the hands are too close to the broken glass and are easily damaged when the car window is broken is effectively avoided, the safety in use is high, the first window breaking slide rod can be pulled in the direction of the limit handle after the window is broken, the spring begins to contract under pressure at the moment, the fixed support plate can be driven to continuously move in the direction of the top of the protective cylinder body, the first window breaking slide rod, the second window breaking slide rod and the third window breaking slide rod can be driven to continuously move in the direction of the inside of the protective cylinder body until the first window breaking slide rod, the second window breaking slide rod and the third window breaking slide rod respectively pass through the second opening, the third opening and the fourth opening and then move to the inside of the protective cylinder body again, thereby the first broken window slide bar of back anticlockwise rotation can drive fixed bolster and the broken window slide bar of second and the broken window slide bar anticlockwise rotation that is connected with it to the recovery normal position, thereby the broken window slide bar of second and the broken window slide bar bottom of third can support again and make the spring receive again and last ascending pressure and be in the shrink state all the time this moment, afterwards will protect bottom and protection top cap threaded connection again can on protection barrel surface, whole device is convenient for use and use cost are lower, and inner structure is comparatively simple not fragile, so its life is longer, and the safety in utilization of whole device is higher.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of a protective bottom cover according to the present invention;

FIG. 3 is a top view of the protective top cover of the present invention;

fig. 4 is a schematic structural view of the crushing drive device of the present invention;

FIG. 5 is a top view of the interior cavity of the shield cylinder of the present invention;

FIG. 6 is a top view of the stationary support plate of the present invention;

fig. 7 is a schematic structural diagram of the fixing device of the present invention.

In the figure: 1 protective cylinder body, 2 first opening, 3 first broken window slide bar, 4 limit handle, 5 second opening, 6 fourth opening, 7 protective bottom cover, 8 fixed spacing bar, 9 through hole, 10 connecting rod, 11 spacing block, 12 protective top cover, 13 fixed containing block, 14 knife groove, 15 fixed rotating shaft, 16 safety belt cutting knife, 17 fixing device, 171 fixed connecting block, 172 fixed inserted bar, 173 fixed supporting block, 174 fixed base, 175 double-faced adhesive tape, 176 fixed jack, 177 fixed connecting plate, 18 third opening, 19 crushing driving device, 191 fixed supporting plate, 192 second broken window slide bar, 193 third broken window slide bar, 194 spring, 195 first limit baffle, 196 second limit baffle, 197 fixed chute, 198 fixed slip ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a small folding type vehicle window breaking self-rescuer comprises a protective barrel body 1, wherein a first opening 2 is arranged at the middle position of the top surface of the protective barrel body 1 in a penetrating manner, a first window breaking slide bar 3 is inserted in the surface of the first opening 2, the top end of the first window breaking slide bar 3 is positioned outside the protective barrel body 1 and is fixedly connected with a limiting handle 4, a second opening 5 is arranged at the middle position of the bottom surface of the protective barrel body 1, a third opening 18 and a fourth opening 6 are sequentially arranged at the positions, which are positioned at the two sides of the second opening 5, of the bottom surface of the protective barrel body 1 from left to right, a protective bottom cover 7 is in threaded connection with the bottom surface of the outer surface of the protective barrel body 1, fixed limiting rods 8 are arranged at the positions, which are close to the surface of one side of the protective barrel body 1 and are respectively aligned with the third opening 18 and the fourth opening 6, through holes 9 are arranged at the positions, which are far away from, the connecting rod 10 is inserted on the surface of the through hole 9, the top end of the connecting rod 10 is located outside the through hole 9 and is fixedly connected with the fixed limiting rod 8, the bottom end of the connecting rod 10 extends to the outside of the protective bottom cover 7 through the through hole 9 and is fixedly connected with a limiting block 11, and the connecting rod 10 and the through hole 9 are rotatably connected, so that the protective bottom cover 7 can still freely rotate when the fixed limiting rod 8 is inserted into the third opening 18 and the fourth opening 6 in a one-to-one correspondence manner, and the fixed limiting rod can be connected to the bottom of the protective barrel body 1 in a threaded manner or. Protection barrel 1 surface top threaded connection has protection top cap 12, and protection top cap 12 top surface just is located the fixed piece 13 of accomodating of the position fixedly connected with at wherein rear portion, and through integral type injection moulding between fixed piece 13 of accomodating and the protection top cap 12, be favorable to improving and structural stability. The middle position of the front surface of the fixed accommodating block 13 is provided with a cutter groove 14, one end of the inner cavity of the cutter groove 14 is rotatably connected with a safety belt cutter 16 through a fixed rotating shaft 15, and the middle position of the front surface of the safety belt cutter 16 penetrates through the cutter groove 14 and extends to the outside of the cutter groove 14, so that the safety belt cutter 16 is conveniently drawn out from the cutter groove 14. The middle position of the surface of one side, far away from the protective cylinder body 1, of the protective bottom cover 7 is fixedly connected with a fixing device 17, and the middle position, located at the inner cavity part of the protective cylinder body 1, of the first window breaking slide bar 3 is sleeved with a breaking driving device 19.

The crushing driving device 19 comprises a fixed supporting plate 191, the fixed supporting plate 191 is sleeved on the surface of the first window breaking slide bar 3 and fixedly connected with the surface of the first window breaking slide bar, a second window breaking slide bar 192 and a third window breaking slide bar 193 are fixedly connected with the bottom surface of the fixed supporting plate 191 at positions respectively close to the middle positions of the front surface and the back surface of the fixed supporting plate 191 respectively, a first limit baffle 195 is fixedly connected with the position of the bottom of the inner surface of the protective cylinder 1 adjacent to the surface of one side of the third opening 18 away from the second window breaking slide bar 192, a second limit baffle 196 is fixedly connected with the position of the bottom of the inner surface of the protective cylinder 1 adjacent to the surface of one side of the fourth opening 6 away from the third window breaking slide bar 193, the position of the top surface of the fixed supporting plate 191 and close to one circle of the edge thereof is arranged in a fixed sliding groove 197, the fixed, the top end of the spring 194 is fixedly connected with the top of the inner surface of the protection cylinder body 1. The centers of the third opening 18, the fourth opening 6, the second window breaking slide bar 192 and the third window breaking slide bar 193 are positioned on the same circumference, the four openings are uniformly distributed on the circumference, the diameters of the third opening 18 and the fourth opening 6 are the same, the specifications of the first limiting baffle 195 and the second limiting baffle 196 are the same and are semicircular, the centers of the first limiting baffle 195 and the second limiting baffle 196 are respectively positioned on the same horizontal straight line with the centers of the third opening 18 and the fourth opening 6, and the connecting line between the second window breaking slide bar 192 and the third window breaking slide bar 193 is perpendicular to the connecting line between the centers of the third opening 18 and the fourth opening 6, so when the first window breaking slide bar 3 is utilized to rotate 90 degrees clockwise, the fixed support plate 191 can be driven to rotate 90 degrees clockwise, the second window breaking slide bar 192 and the third window breaking slide bar 193 under the fixed support plate can be driven, and the first limiting baffle 195 and the second limiting baffle 196 can be utilized to respectively play a role in limiting the second window breaking slide bar 192 and the third window breaking slide bar 193, at the moment, the second window breaking slide bar 192 just rotates to be overlapped with the third opening 18, and the third window breaking slide bar 193 just moves to be overlapped with the fourth opening 6, so that the bottom ends of the second window breaking slide bar 192 and the third window breaking slide bar 193 lose the supporting function, the spring 194 does not recover deformation under upward pressure, the spring 194 recovers deformation from a contraction state and begins to stretch, the fixed support plate 191 is driven to move downwards, the second window breaking slide bar 192 and the third window breaking slide bar 193 under the spring can be driven to move downwards until the second window breaking slide bar 192 and the third window breaking slide bar 193 respectively pass through the third opening 18 and the fourth opening 6 to be punched out of the protection cylinder body 1, and finally fast collide with the glass to be broken to puncture the glass, and at the moment, the protection cylinder body 1 can play a certain isolation role, and the phenomenon that hands are too close to the broken glass to be easily injured when the window is broken is effectively avoided, the use safety is higher. The diameter of the first opening 2 is the same as that of the first window breaking slide bar 3, the first window breaking slide bar 3 is fixedly clamped on the surface of the first opening 2 and is in sliding connection with the first opening 2, the diameters of the second window breaking slide bar 192 and the third window breaking slide bar 193 are respectively the same as those of the third opening 18 and the fourth opening 6, the second window breaking slide bar 192 and the third opening 18 are in sliding connection with each other, the third window breaking slide bar 193 and the fourth opening 6 are in sliding connection with each other, the bottom ends of the first window breaking slide bar 3, the second window breaking slide bar 192 and the third window breaking slide bar 193 are conical bodies with downward pointed ends, and the bottom ends of the first window breaking slide bar, the second window breaking slide bar 192 and the third window breaking slide bar 193 are located on the same horizontal plane, so that the conical pointed ends of.

Fixing device 17 includes fixed connection block 171, fixed jack 176 has been seted up to the intermediate position of fixed connection block 171 bottom surface, fixed jack 176 fixed surface card is equipped with fixed inserted bar 172, fixed inserted bar 172 bottom fixedly connected with fixed supporting shoe 173, fixed supporting shoe 173 bottom fixed surface is connected with unable adjustment base 174, unable adjustment base 174 bottom fixed surface is connected with double-faced adhesive tape 175, thereby bond mutually between usable double-faced adhesive tape 175 and the car central console surface and can be fixed in cavity platform surface with whole unable adjustment base 174 together with whole self-rescuer, so that can gain this broken self-rescuer of window glass easily at any time, in order to avoid it can not in time be found and influence self-rescuer when the urgent need. Fixed connection block 171 bottom fixed surface is connected with fixed connection plate 177, fixed connection plate 177 is the permanent magnet, and fixed supporting shoe 173 top surface coating has the magnetic paint, then when fixed connection block 171 overlaps completely through fixed jack 176 and establishes at fixed inserted bar 172 surface, contact each other between fixed connection plate 177 bottom surface and the fixed supporting shoe 173 top surface this moment, then accessible magnetic attraction firmly adsorbs the link together between the two this moment to be favorable to firmly fixing protection barrel 1 on fixed inserted bar 172.

When the window breaking device is used, when a driver, a person in a vehicle and the like are trapped in the vehicle and need to break a window for self rescue, the protective bottom cover 7 and the protective top cover 12 can be respectively taken down from the bottom end and the top end of the protective cylinder body 1, then the bottom surface of the protective cylinder body 1 is vertically aligned with the window glass to be broken, then the first window breaking slide bar 3 is rotated 90 degrees along the clockwise direction, the fixed support plate 191 can be driven to rotate, so that the second window breaking slide bar 192 and the third window breaking slide bar 193 under the fixed support plate can be driven to rotate 90 degrees clockwise, at the moment, the second window breaking slide bar 192 just rotates to be overlapped with the third opening 18, and the third window breaking slide bar 193 just moves to be overlapped with the fourth opening 6, therefore, the bottom ends of the second window breaking slide bar 192 and the third window breaking slide bar 193 lose the supporting function, the spring 194 is not deformed by upward pressure, and the spring 194 is not deformed to be expanded from the contraction state, thereby driving the fixed support plate 191 to continuously approach the glass, so as to drive the first window breaking slide bar 3, the second window breaking slide bar 192 and the third window breaking slide bar 193 thereunder to move along the same direction, until the first window breaking slide bar 3, the second window breaking slide bar 192 and the third window breaking slide bar 193 respectively pass through the second opening 6, the third opening 18 and the fourth opening 6 to flush the outside of the protective cylinder 1, and finally collide with the glass of the vehicle window to be broken, so as to break the glass, and the force does not need to be excessively applied to the direction of the glass by hands in the breaking process, and the protective cylinder 1 can play a certain isolation role, thereby effectively avoiding the phenomenon that the hands are too close to the broken glass and are easily damaged when the vehicle window is broken, the safety in use is higher, the first window breaking slide bar 3 can be pulled along the direction of the limit handle 4 after the window is broken, and the spring 194 starts to contract under the pressure, thereby driving the fixed support plate 21 to continuously move towards the direction of the top of the protective cylinder 1, so as to drive the first window breaking slide bar 3, the second window breaking slide bar 192 and the third window breaking slide bar 193 to continuously move towards the direction of the inside of the protection cylinder 1 until the first window breaking slide bar 3, the second window breaking slide bar 192 and the third window breaking slide bar 193 respectively pass through the second opening 6, the third opening 18 and the fourth opening 6 to move back to the inside of the protection cylinder 1, then the first window breaking slide bar 3 is rotated anticlockwise so as to drive the fixed support plate 191 and the second window breaking slide bar 192 and the third window breaking slide bar 193 connected with the fixed support plate 191 to rotate anticlockwise to the recovery position, at this moment, the bottoms of the second window breaking slide bar 192 and the third window breaking slide bar 193 are supported again so as to enable the spring 194 to be in a contraction state again under continuous upward pressure, and then the protection bottom cover 7 and the protection top cover 12 are connected on the surface of the protection cylinder 1 again in a threaded manner, so that the whole device is convenient to use and has low use cost, and the inner structure is simple and not easy to damage, so the service life is long, and the use safety of the whole device is high.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a broken self-rescuer of small-size foldable door window, includes protection barrel (1), its characterized in that: the middle position of the top surface of the protection barrel body (1) is provided with a first opening (2) in a penetrating mode, the surface of the first opening (2) is inserted with a first window breaking slide bar (3), the top end of the first window breaking slide bar (3) is positioned outside the protection barrel body (1) and is fixedly connected with a limiting handle (4), the middle position of the bottom surface of the protection barrel body (1) is provided with a second opening (5), the positions of the bottom surface of the protection barrel body (1) and the two sides of the second opening (5) are respectively provided with a third opening (18) and a fourth opening (6) from left to right in sequence, the bottom of the outer surface of the protection barrel body (1) is in threaded connection with a protection bottom cover (7), the protection bottom cover (7) is close to the side surface of the protection barrel body (1) and is respectively provided with a fixed limiting rod (8) at the positions aligned with the third opening (18) and the fourth opening (6), the protective bottom cover (7) is far away from the surface of one side of the protective cylinder body (1) and is respectively aligned with the middle position of the bottom surface of the fixed limiting rod (8), through holes (9) are formed in the positions, aligned with the middle position of the bottom surface of the fixed limiting rod (8), of the protective bottom cover (7), connecting rods (10) are inserted into the surfaces of the through holes (9), the top ends of the connecting rods (10) are located outside the through holes (9) and are fixedly connected with the fixed limiting rods (8), the bottom ends of the connecting rods (10) extend to the outside of the protective bottom cover (7) through the through holes (9) and are fixedly connected with limiting blocks (11), the top of the outer surface of the protective cylinder body (1) is in threaded connection with a protective top cover (12), the top surface of the protective top cover (12) and the position at the rear part of the protective top cover are fixedly connected with fixed accommodating blocks (13), a cutter groove (14), the middle position of the protective bottom cover (7) far away from the surface of one side of the protective cylinder body (1) is fixedly connected with a fixing device (17), the middle position of the first window breaking slide bar (3) in the inner cavity of the protective cylinder body (1) is sleeved with a breaking driving device (19), the breaking driving device (19) comprises a fixed supporting plate (191), the fixed supporting plate (191) is sleeved on the surface of the first window breaking slide bar (3) and is fixedly connected with the first window breaking slide bar, the bottom surface of the fixed supporting plate (191) is respectively close to the middle positions of the front surface and the back surface of the fixed supporting plate and is respectively fixedly connected with a second window breaking slide bar (192) and a third window breaking slide bar (193), the position of the bottom of the inner surface of the protective cylinder body (1) adjacent to the surface of one side of the third opening (18) far away from the second window breaking slide bar (192), the protection barrel body (1) is characterized in that a second limit baffle (196) is fixedly connected to the bottom of the inner surface of the protection barrel body (1) and adjacent to the surface of one side, far away from the third window breaking slide bar (193), of the fourth opening (6), the top surface of the fixed support plate (191) and the position close to the periphery of the top surface of the fixed support plate are arranged in a fixed sliding groove (197), the fixed sliding groove (197) is fixedly clamped and slidably connected with a fixed sliding ring (198), the top surface of the fixed sliding ring (198) is uniformly distributed and fixedly connected with springs (194), the top end of each spring (194) is fixedly connected with the top of the inner surface of the protection barrel body (1), the fixing device (17) comprises a fixed connecting block (171), a fixed inserting hole (176) is formed in the middle position of the bottom surface of the fixed connecting block (171), and a fixed inserting rod (172) is, the bottom end of the fixed inserted link (172) is fixedly connected with a fixed supporting block (173), the bottom surface of the fixed supporting block (173) is fixedly connected with a fixed base (174), and the bottom surface of the fixed base (174) is fixedly connected with a double-faced adhesive tape (175).

2. A small-sized folding type vehicle window crushing self-rescuer according to claim 1, characterized in that: the centers of the third opening (18), the fourth opening (6), the second window breaking slide bar (192) and the third window breaking slide bar (193) are positioned on the same circumference.

3. A small-sized folding type vehicle window crushing self-rescuer according to claim 1, characterized in that: the diameter of the first opening (2) is the same as that of the first window breaking slide bar (3), the first window breaking slide bar (3) is fixedly clamped on the surface of the first opening (2), the first opening and the second opening are in sliding connection, the diameters of the second window breaking slide bar (192) and the third window breaking slide bar (193) are respectively the same as those of the third opening (18) and the fourth opening (6), the second window breaking slide bar (192) is in sliding connection with the third opening (18), and the third window breaking slide bar (193) is in sliding connection with the fourth opening (6).

4. A small-sized folding type vehicle window crushing self-rescuer according to claim 1, characterized in that: the bottom ends of the first window breaking sliding rod (3), the second window breaking sliding rod (192) and the third window breaking sliding rod (193) are cones with pointed ends facing downwards, and the bottom ends of the first window breaking sliding rod, the second window breaking sliding rod and the third window breaking sliding rod are positioned on the same horizontal plane.

5. A small-sized folding type vehicle window crushing self-rescuer according to claim 1, characterized in that: the bottom surface of the fixed connecting block (171) is fixedly connected with a fixed connecting plate (177), the fixed connecting plate (177) is a permanent magnet, and the top surface of the fixed supporting block (173) is coated with magnetic paint.

6. A small-sized folding type vehicle window crushing self-rescuer according to claim 1, characterized in that: the diameters of the third opening (18) and the fourth opening (6) are the same, the first limiting baffle (195) and the second limiting baffle (196) are the same in specification and are both semicircular, and the circle centers of the first limiting baffle (195) and the second limiting baffle (196) and the circle centers of the third opening (18) and the fourth opening (6) are located on the same horizontal straight line.

7. A small-sized folding type vehicle window crushing self-rescuer according to claim 1, characterized in that: the middle position of the front surface of the safety belt cutting knife (16) penetrates through the knife groove (14) and extends to the outside of the knife groove (14).

8. A small-sized folding type vehicle window crushing self-rescuer according to claim 1, characterized in that: the fixed containing block (13) and the protective top cover (12) are formed through integrated injection molding.