CN103287376B - A kind of push type self-propelled vehicle window breaker and the car door of this device is housed - Google Patents

Abstract

The invention relates to a window breaker, in particular to a push type motor vehicle window breaker and a vehicle door equipped with the device. The press-type motor vehicle window breaker includes a striker, a compression spring, a first sleeve and a second sleeve that can slide relatively, and the striker and the compression spring are arranged in the inner chambers of the first sleeve and the second sleeve. This window breaker pushes the first sleeve in the direction of the second sleeve to store energy in the compression spring, and uses the action of the inclined plane to release the release to complete the impact and break the window. It has a simple structure and small size, and is very suitable for carrying or installing on the car door. superior.

Description

A push-type motor vehicle window breaker and a vehicle door equipped with the device

technical field

The invention relates to a window breaker, in particular to a push type motor vehicle window breaker and a vehicle door equipped with the device.

Background technique

With the development of my country's economy and the improvement of people's living standards, motor vehicles have become more and more popular. In particular, cars that were only owned by dignitaries in the past have gradually entered ordinary families. It is during the holidays, which also leads to a rise in accidents, causing casualties. Some of the accidents were caused by the person and the car falling into the water. Due to the pressure of the water, or the loss of electricity due to fire, the door could not be opened, and the window glass is very strong, especially when there is a car film on it. The window glass is difficult to break, which will cause the occupants of the vehicle to drown or burn to death. However, the existing window breaking tools usually only have simple tools such as a window breaking hammer. Due to the narrow space in the car, the use of the window breaking hammer is limited to a certain extent, and it is difficult to apply force, which affects the speed and effect of breaking the window, and because the window breaking hammer is not fixed. Installed on the car, easy to lose. For this reason, the applicant applied for a utility model patent with the application number 201320037824.7 and the name "A Fast Motor Vehicle Window Breaker" on January 23, 2013, which discloses a fast motor vehicle window breaker. The window breaker includes a rigid impact component for impacting the vehicle glass, and is characterized in that: the window breaker is also provided with an elastic energy storage mechanism, an operating mechanism, and a linkage and tripping mechanism, and the elastic energy storage mechanism is linked with the impact component To provide impact energy for the impact part, the operating mechanism is linked with the elastic energy storage mechanism and the linkage and tripping mechanism, the operating mechanism drives the elastic energy storage mechanism to store energy, and when the elastic energy storage mechanism reaches the predetermined energy storage value, the linkage and tripping mechanism controls the operating mechanism to be out of linkage with the elastic energy storage mechanism, and the elastic energy storage mechanism drives the striking part to move quickly and hit the window. The elastic energy storage mechanism is formed by overlapping strip-shaped spring steel sheets. One end of the elastic energy storage mechanism is fixed, and the other end is a free end. The free end can swing around the fixed end. The impact part is fixed on the On the free end, the operating mechanism is a handle, the end of the handle close to the impact part is positioned by a pin shaft, and is rotatably arranged around the pin shaft, the other end of the handle is the operating end, and the linkage and tripping The mechanism includes a linkage, the linkage is connected with the free end of the elastic energy storage mechanism in the swing direction, and can move relatively in a direction perpendicular to the swing direction, and a step is provided between the pin shaft of the handle and the operating end, The linkage part is provided with a bump near the side of the step, and the bump is located in front of the movement track of the step when the handle operates the elastic energy storage mechanism to store energy, forming the linkage between the operating mechanism and the elastic energy storage mechanism. and the release mechanism linkage, the linkage is provided with a protruding top block in the direction perpendicular to the swing direction, and the position corresponding to the motion track of the top block is fixed with a trip slope, and the handle operates the elastic energy storage mechanism When storing energy, the top block slides along the tripping slope. Although this device solves the problem of being used in a car with a small space, it still has the disadvantages of large volume, inconvenient installation, and inability to carry it with you, as well as complex structure, easy failure, low reliability, and high cost. Defects that make it difficult to promote use.

Contents of the invention

The object of the present invention is to provide a motor vehicle window breaker with simple structure, reliable operation, portability and lower cost in order to overcome the deficiencies of the prior art.

In order to achieve the above object, the present invention discloses a push-type motor vehicle window breaker, which includes a rigid impact part and an elastic energy storage part. shape, the elastic energy storage part is a compression spring, and the window breaker is also provided with a first sleeve and a second sleeve, and one end of one of the first sleeve and the second sleeve can slide relatively axially Inserted in another sleeve, the inner cavity forms a striker cavity, the striker is arranged in the striker cavity, and the end of the second sleeve away from the first sleeve is provided with a through hole for the end of the striker to protrude. hole, the compression spring is arranged at the tail end of the firing pin, one end of the compression spring is against the firing pin, and the other end is against the inner wall of the first casing, radial protrusions are arranged on both sides of the firing pin, and the second On the two sides opposite to the casing, there are axial guide grooves that fit in clearance with the bosses, and on the same side of the guide grooves on the pipe walls on both sides, there are concave bayonets that fit in clearance with the bosses. First slopes are provided on the pipe walls on both sides of the first sleeve. When the first sleeve compresses the compression spring, the protrusion is in the stroke of the first slope, and the direction of the first slope is The closer to the end of the compression stroke, the more inclined and close to the other side of the guide groove provided with the bayonet. The push-type motor vehicle window breaker of the present invention is provided with a first sleeve and a second sleeve that can slide axially with each other, and compresses and stores the striker and the compression spring that are stuck on the buckle inside, and when the stored energy reaches a certain After the degree, the tripping is performed through the interaction between the first inclined surface and the boss, and the impact on the window is completed. Compared with the prior art, the structure is greatly simplified, the volume is reduced, it can be made into a portable type, the cost is also greatly reduced, and it is easy to popularize.

As a further configuration of the present invention, the front end of the first sleeve is inserted in the tail end of the second sleeve in an axially relatively slidable manner, and the guide groove on the first sleeve corresponds to the guide groove of the second sleeve. The position is provided with a long tripping slot along the axial direction and through, the first slope is set on the side of the tail end of the long tripping slot close to the bayonet, the protruding post passes through the long tripping slot and the guide slot, and the The diameter of the tail of the striker is smaller than that of the front to form a shoulder step, the compression spring is sleeved on the tail of the striker, one end of the compression spring is against the shoulder step, and the other end is against the top of the inner cavity of the first casing. The above-mentioned compressed energy storage mechanism and release mechanism are simple in structure and reliable in operation.

As a further configuration of the present invention, a return spring is also provided in the cavity, and one end of the return spring abuts against the second sleeve, and the other end of the return spring abuts against the first sleeve so that the first sleeve has a return position. The force on both sides of the first sleeve is also provided with a second slope, and the first sleeve is compressed and reset under the action of the return spring, and the boss is in the stroke of the second slope , the direction of the second slope is opposite to the direction of the first slope. Through the above settings, the push-type motor vehicle window breaker can return to the initial state after a window breaking action, and prepare for the next window breaking action, so as to achieve the purpose of repeatedly breaking windows and improving the success rate of window breaking .

As a further configuration of the present invention, the window breaker is provided with a cylindrical shell and a separate insert, the front end of the second sleeve of the window breaker is exposed, and the shell is fixedly connected to the first sleeve. The end surface of the shell is provided with a slot that fits with the gap of the insert. The front end of the insert is provided with a slot, both sides are provided with arc-shaped protrusions, and the rear end is provided with a hanging hole. The slot is provided with an arc-shaped protrusion. Matching dimples. The window breaker can be protected and carried conveniently by setting the shell and the insertion piece.

As a further configuration of the present invention, a blade chute is provided on the middle surface of the housing, and a blade and a blade locking device are provided in the blade chute. Through the above settings, the window breaker not only has the function of breaking the window, but also has the function of cutting. In case of emergency, if the safety belt cannot be untied, the blade can be used to cut it off.

As a further setting of the present invention, the window breaker is provided with a cylindrical shell, the front end of the second sleeve of the window breaker is exposed, the shell is fixedly connected with the first sleeve, and the rear end of the shell is provided There are protruding rings and caps matched with the protruding rings, the caps are provided with hanging rings, and the caps are engaged with the protruding rings.

Another object of the present invention is to provide a vehicle door equipped with a push-type vehicle window breaker.

In order to achieve the above object, the present invention discloses a vehicle door, including a vehicle door body, and a lifting window glass is installed in the interlayer of the vehicle door body. The type motor vehicle window breaker includes a rigid impact part and an elastic energy storage part, the rigid impact part is a striker made of a rod-shaped part, the front end of the striker is tapered, and the elastic energy storage part is a compression spring. There are a first sleeve and a second sleeve, one end of one of the first sleeve and the second sleeve is inserted in the other in an axially relatively slidable manner, and the inner cavity forms the striker cavity, so The striker is arranged in the cavity, the end of the second sleeve away from the first sleeve is provided with a through hole through which the end of the striker can protrude, the compression spring is arranged at the other end of the striker, and one end of the compression spring The other end rests on the inner wall of the first casing, the two sides of the firing pin are provided with radial protrusions, and the opposite two sides of the second sleeve are provided with shafts that fit in clearance with the protrusions. Guide grooves, the same side of the guide grooves on the two sides of the tube wall are provided with a concave bayonet that fits with the convex column clearance, the first sleeve is provided with a first slope on the two sides of the tube wall, and the When the first sleeve is compressing the compression spring, the boss is in the stroke of the first slope, and the direction of the first slope is to meet the push-out of the boss in the bayonet; the push-type motor vehicle The window breaker is provided with a cylindrical shell, the front end of which is open, and the push-type motor vehicle window breaker is arranged in the shell, the second casing is fixedly connected with the shell, the front end of the striker faces the opening, and the push-type motor vehicle window breaker The window device is fixedly installed in the interlayer of the car door body, close to the lower edge of the car window, the front end of the striker is vertically facing the car window glass, and the position of the door body corresponding to the end of the first bushing is provided with a pressing mechanism to link with the first bushing . When encountering an emergency, just press the pressing mechanism installed on the door to break the window and complete self-rescue.

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Accompanying drawing 1 is the three-dimensional schematic diagram of appearance structure of specific embodiment 1 of the present invention;

Accompanying drawing 2 is the front view of specific embodiment 1 of the present invention;

Accompanying drawing 3 is the sectional view of Fig. 2 A-A structure;

Accompanying drawing 4 is the structural decomposition schematic diagram of embodiment 2 of the present invention;

Accompanying drawing 5 is one of schematic diagrams after the present invention is provided with shell;

Accompanying drawing 6 is the second schematic diagram after setting the shell of the present invention;

Accompanying drawing 7 is provided with the schematic diagram of blade in the casing of the present invention;

Accompanying drawing 8 is a schematic diagram of another embodiment of the housing provided by the present invention;

Accompanying drawing 9 is provided with the structural schematic diagram of button press type window breaker car door (specific embodiment 3);

Accompanying drawing 10 is the schematic diagram of rear side structure of button press type window breaker;

Accompanying drawing 11 is the schematic diagram of the structure of the front side of the button press type window breaker;

Accompanying drawing 12 is the front view of the specific embodiment of the push-button window breaker of the present invention;

Accompanying drawing 13 is the sectional view of Fig. 11 B-B structure;

Accompanying drawing 14 is provided with the front view of the door of the button press type window breaker;

Accompanying drawing 15 is the sectional view of Fig. 13 C-C structure;

Accompanying drawing 16 is a structural schematic diagram of the handle press type window breaker;

Accompanying drawing 17 is the schematic partial exploded view of the structure of the handle press type window breaker;

Accompanying drawing 18 is a structural schematic diagram of a car door (specific embodiment 4) provided with a handle press type window breaker.

Detailed ways

Specific embodiment 1: As shown in Fig. 1-3, the press-type motor vehicle window breaker includes a rigid impact part, an elastic energy storage part, a first sleeve 1 and a second sleeve 2, and the rigid impact part is rod-shaped The striker 3 that piece constitutes, in order to strengthen the broken window effect, striker 3 front ends are preferably tapered. The elastic energy storage part is a compression spring 4, and one end of the first sleeve 1 and the second sleeve 2 can be slidably inserted in the axial direction, and the first sleeve 1 can be inserted into the second sleeve 2, or It is the second sleeve 2 inserted into the first sleeve 1 . In this specific embodiment, the shape of the first sleeve 1 and the second sleeve 2 is a quadrangular prism, and the section of the inner chamber of the second sleeve 2 is matched with the front section of the first sleeve 1. The front end of the second sleeve 2 A boss 201 is provided, and the front section of the first sleeve 1 is relatively slidably inserted in the second sleeve 2 in the axial direction, and the inner space between the first sleeve 1 and the second sleeve 2 forms a striker container cavity, the tail end of the first sleeve 1 can be closed, the striker 3 and the compression spring 4 are arranged in the striker cavity, and the end of the second sleeve 2 away from the first sleeve 1 (that is, the end of the second sleeve 2 The front end) is provided with a through hole 202 for the end of the striker 3 to protrude. The front section of the inner cavity of the second sleeve 2 is preferably matched with the striker 3 to form a guide. The compression spring 4 is arranged at the tail end of the striker 3. The diameter of the tail of the striker 3 is smaller than that of the front to form a shoulder step, the compression spring 4 is sleeved on the tail of the striker 3, one end of the compression spring 4 is against the shoulder step of the striker 3, and the other end is against the inside of the first sleeve 1 chamber top. Both sides of the striker 3 are provided with radial (perpendicular to the sliding direction) protrusions 301, preferably symmetrically arranged, and on the opposite sides of the second sleeve 2 (corresponding to the protrusions 301 on both sides of the striker 3 ) are provided with an axial guide groove 203 that is in clearance fit with the boss 301 , and on the same side of the guide groove 203 on the pipe walls on both sides is provided with a concave bayonet 204 in clearance fit with the boss 301 . In the initial state, the protrusions 301 on both sides of the striker 3 are stuck in the bayonet 204, and the first slope 101 is provided on both sides of the first sleeve 1, and the first sleeve 1 is In the process of compressing the compression spring 4 (that is, pressing the first sleeve 1 into the second sleeve 2), the protrusion 301 is in the stroke of the first slope 101, and the direction of the first slope 101 is closer to the compression The end of the stroke is more inclined and closer to the other side of the guide groove 203 where the bayonet 204 is provided. In this specific embodiment, the position corresponding to the guide groove 203 of the second sleeve 2 on the first sleeve 1 is provided with Along the axial direction and through the long tripping slot 102, the boss 301 passes through the long tripping slot 102 and the guide slot 203 at the same time, and the first slope 101 is arranged at the tail end of the long tripping slot 102 (that is, it is connected with the striker 3 The end opposite to the tapered end) is on the side of the bayonet 204, and the first inclined surface 101 makes the tail end of the long trip slot 102 gradually narrow, so as to ensure that the compression spring 4 is compressed (that is, the first sleeve 1 to the second At the end of the process of pressing the sleeve 2 , the first inclined surface 101 gradually squeezes the boss 301 out of the bayonet 204 to complete the tripping action. The length of the striker 3 should not be too long. In the initial state, the tapered end of the striker 3 should be within the end face of the second bushing 2 and leave a certain distance, while the length of the guide groove 203 and the long tripping groove 102 should ensure that the striker is released after tripping. 3 has a sufficient sliding stroke, that is, the tapered end of the striker 3 is enough to be exposed from the through hole 202 on the end surface of the second sleeve 2. The action process of the push-type motor vehicle window breaker is as follows: in the initial state, the convex posts 301 on both sides of the striker 3 are stuck in the bayonet 204, and the tapered end of the striker 3 is within the front end of the second sleeve 2; When the window needs to be broken in an emergency, the front end of the second sleeve 2 is pressed against the window glass, and the first sleeve 1 is pressed. Since the boss 301 is stuck in the bayonet 204 at this time, the striker 3 will not follow The first bushing 1 slides together, and the compression spring 4 is compressed to store energy. When the first bushing 1 slides forward for a certain distance, the first slope 101 at the tail end of the trip slot 102 starts to move outward from the inside of the bayonet 204 . Push the convex column 301 outward, and continue to press the first sleeve 1, and finally push the convex column 301 out of the bayonet 204 completely. Thus completing a window-breaking action.

Specific embodiment 2: the window breaker in the specific implementation 1 can only be used once. In order to achieve the purpose of repeatedly breaking the window and improving the success rate of the window breaking, further settings are made on the basis of the specific implementation 1. As shown in Figure 4, a return spring 5 is also provided in the striker cavity, and the return spring 5 is arranged in the inner cavity of the second sleeve 2 and sleeved on the front section of the striker 3, and one end of the return spring 5 abuts against the first On the inner cavity wall of the second casing 2, the other end abuts against the end surface of the first casing 1 so that the first casing 1 has a return force. Slope 103, during the reset process of the first sleeve 1 under the action of the return spring 5, the protrusion 301 is in the stroke of the second slope 103, and the direction of the second slope 103 is opposite to the direction of the first slope 101 . In this specific embodiment, the second slope 103 is arranged on the other end of the long tripping groove 102 relative to the first slope 101 , and the direction of the second slope 103 is opposite to that of the first slope 101 . After setting in this way, when the window breaking operation is performed, the external pressure overcomes the elastic force of the return spring 5 to push the first sleeve 1 forward, and the compression spring 4 and the return spring 5 store energy at the same time, and then trip and compress the spring 4 Release the energy to make the striker 3 collide with the window glass to complete a window-breaking action; after the external pressure is removed, the first bushing 1 returns under the elastic force of the return spring 5 , and during this process, the boss 301 is set in the The second inclined surface 103 at the other end of the trip slot 102 returns together. When reaching the position opposite to the bayonet socket 204, the boss 301 is restricted and cannot move further in the axial direction. Under the action of the inclined surface of the second inclined surface 103, the The boss 301 slides sideways into the bayonet 204, returns to the initial state, and is ready for the next window-breaking action. Reciprocating in this way can achieve the purpose of repeated use.

In order to make the window breaker more beautiful in appearance, easy to carry, and also play a certain protective role, as shown in Figure 5-7, the window breaker can also be provided with a cylindrical shell 6 and a separate plug 15, the end surface of the shell 6 is provided with a slot 602 for clearance fit with the insertion piece 15, the front end of the insertion piece 15 is provided with a cutout 153 so that the front end of the insertion piece 15 has a certain elasticity, and both sides are provided with arc-shaped protrusions 152, The rear end is provided with a hanging hole 151 , and the slot 602 is provided with a pit matching the arc-shaped protrusion 152 . The window breaker is inserted from the open end of the cylindrical shell 6. The window breaker fits with the inner cavity of the cylindrical shell 6 and can slide relative to the axial direction. The front end of the second casing 2 of the window breaker is exposed, and the length of the exposed front end is It should not be less than the travel of the first sleeve 1 to store energy and compress the compression spring 4 and complete the tripping. The outer shell 6 is fixedly connected to the first sleeve 1, specifically, it can be connected to the tail end of the first sleeve 1 by screws. . In order to make the window breaker have more other functions, different tools can also be set in the casing 6, such as a blade chute 601 is provided on the middle surface of the casing 6, and the blade 7 and The blade locking device may also be provided with serrations 701 and the like on one side of the blade 7 . Usually the insert 15 is worn on the key ring through the hanging hole 151, the insert 15 is inserted into the slot 602 of the shell, and the arc-shaped protrusion 152 is stuck in the pit to prevent the window breaker from falling off, and the window breaker can be carried with you; When the housing is pulled out, because the front end of the insert 15 is provided with a slot 153 and has a certain degree of elasticity, the arc-shaped protrusion 152 will slide out from the pit to remove the window breaker, which is very convenient.

As shown in Figure 8, the portable structure can also adopt the following structure: the window breaker is provided with a cylindrical casing 6, the front end of the second sleeve 2 of the window breaker is exposed, and the casing 6 and the first sleeve 1 is fixedly connected, the rear end of the housing 6 is provided with a protruding ring 603 and a cap 604 matching the protruding ring 603, the inner cavity of the cap 604 is matched with the protruding ring 603, the cap 604 is provided with a hanging ring 605, and the cap 604 is matched with the protruding ring 603. The ring 603 is clamped, specifically, an annular concave ring 606 is provided on the outer wall of the convex ring 603, and a matching annular rib (not shown) is provided on the inner wall of the cap 604, so that the cap 604 and the convex ring of the shell 6 603 constitutes a detachable clamping connection.

Embodiment 3: The window breaker is not only small in size and simple in structure, and is suitable for carrying around, but also suitable for being installed on the car door. As shown in Figure 9-15, the car door equipped with a push-type motor vehicle window breaker includes a door body 8, and a lifting window glass 9 is installed in the interlayer of the car door body 8, and a push-type motor vehicle window breaker is also arranged on the door. The push-type motor vehicle window breaker includes a rigid impact part and an elastic energy storage part, the rigid impact part is a striker 3 composed of a rod-shaped part, the front end of the striker 3 is tapered, and the elastic energy storage part is a compression spring 4 , the window breaker is also provided with a first bushing 1 and a second bushing 2, and one end of one of the first bushing 1 and the second bushing 2 is inserted in the other in an axially relatively slidable manner. In the inner cavity, the firing pin cavity is formed, the firing pin 3 is arranged in the cavity, and the end of the second sleeve 2 away from the first sleeve 1 is provided with a through hole 202 for the end of the firing pin 3 to protrude from. , the compression spring 4 is arranged on the other end of the striker 3, one end of the compression spring 4 is against the striker 3, and the other end is against the inner wall of the first sleeve 1, and radial protrusions are arranged on both sides of the striker 3 301. An axial guide groove 203 that fits with the boss 301 is provided on the pipe wall on both sides opposite to the second casing 2, and the same side of the guide groove 203 on the pipe wall on both sides is provided with the boss 301. 301 is a recessed bayonet 204 with clearance fit, and the first slope 101 is provided on both sides of the first sleeve 1. When the first sleeve 1 compresses the compression spring 4, the convex The column 301 is in the stroke of the first inclined plane 101, and the direction of the first inclined plane 101 is to meet the push-out of the convex column 301 in the bayonet 204; as shown in Figure 9-14, the push-type motor vehicle window breaker A cylindrical casing 6 is provided, and the front end of the casing 6 is open, and the opening is adapted to the boss 201 of the second sleeve 2. The push-type motor vehicle window breaker is arranged in the casing 6, and the boss 201 is exposed from the opening. , the second sleeve 2 is fixedly connected with the shell 6, the specific structure of the window breaker is the same as that of the specific embodiment 1 or 2, the front end of the striker 3 is facing the opening, and the rear end of the shell 6 is provided with a radial flange, on the flange There are several installation holes, and screws are provided in the installation holes to fix the push-type motor vehicle window breaker in the interlayer of the door body 8, close to the lower edge of the window, and higher than the lower edge of the window glass 9 when the window is closed. , the front end of the striker 3 is vertically facing the window glass 9, and the position of the door body 8 corresponding to the end of the first bushing 1 is provided with a pressing mechanism to link with the first bushing 1 . A button 15 is provided at the position of the door body 8 corresponding to the end of the first sleeve 1 to form a pressing mechanism in conjunction with the first sleeve 1 .

Specific implementation 4: as shown in Figure 16-18, the push-type motor vehicle window breaker can also be fixed on the car door through the mounting bracket 10, the mounting bracket 10 is folded into an L-shaped section by a metal plate, and the door body 8 is provided with There are corresponding mounting holes, and the mounting holes of the horizontal part of the mounting bracket 10 pass through the panel of the door body 8 and enter the interlayer. The horizontal part of the mounting bracket 10 is provided with a mounting seat, which is composed of a base 11 and an upper cover 12 The push-type motor vehicle window breaker is placed on the base 11 and is pressed and fixed by the upper cover 12. The front end of the striker 3 is vertically facing the window glass 9. The vertical part of the mounting bracket 10 is provided with an operating handle 13, and the operating handle 13 is located on the car door body. 8 corresponds to one side of the car, the operating handle 13 is swingably arranged on the mounting bracket 10 through a pin shaft in the middle, and the mounting bracket 10 is fixed on the door body 8. One end of the operating handle 13 is the operating end, and the other end is the A pressing end, the pressing end is linked with the first sleeve 1 to form a pressing mechanism. The pressing end and the first sleeve 1 can be linked in various ways, such as directly through the hinged way, or adopt elastic sliding or rolling to press against the end surface of the first sleeve 1. In this specific embodiment, in The pressing end is provided with a roller 14, and the roller 14 elastically presses against the end surface of the first sleeve 1 to form the linkage. By setting the operating handle 13 and using the principle of leverage, the operation can be made more labor-saving.

Claims (10)

1. A press-type motor vehicle window breaker, comprising a rigid impact part and an elastic energy storage part, characterized in that: the rigid impact part is a striker made of a rod-shaped part, the front end of the striker is tapered, and the elastic energy storage part is Compression spring, the window breaker is also provided with a first sleeve and a second sleeve, one end of one of the first sleeve and the second sleeve is inserted in the other sleeve in an axially relatively slidable manner Among them, the inner cavity forms a striker chamber, the striker is arranged in the striker chamber, the end of the second sleeve away from the first sleeve is provided with a through hole for the end of the striker to protrude from, and the compression spring is set At the tail end of the firing pin, one end of the compression spring is against the firing pin, and the other end is against the inner wall of the first sleeve. Radial protrusions are arranged on both sides of the firing pin, and the opposite sides of the second sleeve are tubes. The wall is provided with an axial guide groove that fits with the convex post. On the same side of the guide groove on the pipe wall on both sides, there is a concave bayonet that fits with the convex post. The two sides of the first sleeve A first slope is provided on the pipe wall. When the first sleeve compresses the compression spring, the protrusion is in the stroke of the first slope, and the direction of the first slope is closer to the end of the compression stroke. The other side that is more inclined and closer to the guide groove is provided with the bayonet; the front end of the first sleeve is inserted in the tail end of the second sleeve in an axially relatively slidable manner, and the first sleeve is connected to the second sleeve. The position corresponding to the guide groove of the two bushings is provided with a long tripping slot along the axial direction and through it, the first slope is set on the side of the tail end of the long tripping slot close to the bayonet, and the protruding post passes through the tripping slot Long groove and guide groove, the diameter of the tail of the striker is smaller than that of the front to form a shoulder step, the compression spring is sleeved on the tail of the striker, one end of the compression spring is against the shoulder step, and the other end is against the inner cavity of the first sleeve top; the cavity is also provided with a return spring, one end of the return spring is against the second sleeve, and the other end is against the first sleeve so that the first sleeve has a return force, and the first sleeve has a return force. There are also second slopes on the pipe walls on both sides of the sleeve. When the first sleeve is compressed and reset under the action of the return spring, the boss is in the stroke of the second slope, and the second slope The direction is opposite to the direction of the first slope. 2. The push-type motor vehicle window breaker according to claim 1, characterized in that: the window breaker is provided with a cylindrical shell and a separate insert piece, and the front end of the second casing of the window breaker is exposed, the shell is fixedly connected with the first sleeve, and the end face of the shell is provided with a slot that fits with the insert piece. A hole is provided in the slot, and a pit matching the arc-shaped protrusion is arranged in the slot. 3. The push-type motor vehicle window breaker according to claim 2, characterized in that: a blade chute is provided on the middle surface of the housing, and a blade and a blade locking device are provided in the blade chute. 4. The push-type motor vehicle window breaker according to claim 1, characterized in that: the window breaker is provided with a cylindrical shell, the front end of the second casing of the window breaker is exposed, and the shell and the second sleeve are exposed. The casing is fixedly connected, and the rear end of the housing is provided with a protruding ring and a cap matching the protruding ring. The cap is provided with a hanging ring, and the cap is clamped with the protruding ring.          5. A car door equipped with a push-type motor vehicle window breaker, including a door body, and a lifting window glass is installed in the interlayer of the car door body, and it is characterized in that: a push-type motor vehicle window breaker is also provided on the door, The push-type motor vehicle window breaker includes a rigid impact part and an elastic energy storage part. The rigid impact part is a striker made of a rod-shaped part. The front end of the striker is tapered. The elastic energy storage part is a compression spring. The device is also provided with a first sleeve and a second sleeve, one end of one of the first sleeve and the second sleeve is inserted in the other in an axially relatively slidable manner, and the inner cavity forms the firing pin chamber. cavity, the striker is set in the cavity, the end of the second sleeve away from the first sleeve is provided with a through hole through which the end of the striker can protrude, the compression spring is set at the other end of the striker, the One end of the compression spring abuts against the firing pin, and the other end abuts against the inner wall of the first casing. Radial bosses are arranged on both sides of the firing pin, and the pipe walls on both sides of the second casing opposite to the bosses are provided with gaps. The matching axial guide groove, the same side of the guide groove on the two sides of the pipe wall is provided with a concave bayonet that fits with the convex post, and the first sleeve is provided with a first slope on the two sides of the pipe wall , in the process of compressing the compression spring by the first sleeve, the boss is in the stroke of the first slope, and the direction of the first slope is to satisfy the pushing out of the boss in the bayonet; the pressing The motor vehicle window breaker is provided with a cylindrical shell, and the front end of the shell is open. The push type motor vehicle window breaker is arranged in the shell, the second sleeve is fixedly connected with the shell, and the front end of the striker faces the opening. The motor vehicle window breaker is fixedly installed in the interlayer of the car door body, near the lower edge of the car window. Casing linkage. 6. The vehicle door equipped with a push-type motor vehicle window breaker according to claim 5, characterized in that: the front end of the first bushing is relatively slidably inserted in the tail end of the second bushing in the axial direction , the position corresponding to the guide groove of the second sleeve on the first sleeve is provided with a long tripping slot along the axial direction and penetrating through it, and the first slope is arranged on a side close to the bayonet at the tail end of the long tripping slot On the side, the protruding column passes through the long tripping slot and the guide slot, the diameter of the tail of the striker is smaller than that of the front to form a shoulder step, the compression spring is sleeved on the tail of the striker, one end of the compression spring is against the shoulder step, and the other One end abuts against the top of the inner cavity of the first casing. 7. The vehicle door equipped with a push-type motor vehicle window breaker according to claim 6, characterized in that: a return spring is also provided in the cavity, one end of the return spring is against the second bushing, and the other is One end abuts against the first sleeve so that the first sleeve has a return force, and there are also second slopes on both sides of the first sleeve, and the first sleeve is compressed on the return spring During the reset process under action, the protrusion is in the stroke of the second slope, and the direction of the second slope is opposite to the direction of the first slope. 8. The car door equipped with a push-type motor vehicle window breaker according to claim 5, characterized in that: the door body is provided with an operating handle on the side corresponding to the interior of the car, and the operating handle is arranged on the center through a pin shaft. On the door body, one end of the operating handle is an operating end, and the other end is a pressing end, and the pressing end is linked with the first sleeve to form the pressing mechanism. 9 . The vehicle door according to claim 8 , wherein the pressing end is provided with a roller, and the roller elastically presses against the end surface of the first bushing to form the linkage. 10. The car door equipped with a push-type motor vehicle window breaker according to claim 5, characterized in that: the position of the door body corresponding to the end of the first bushing is provided with a button to link with the first bushing to form the Press mechanism.