CN210941676U - Vehicle-mounted safety hammer - Google Patents

Abstract

The utility model provides an on-vehicle safe hammer, be equipped with the activity chamber that is used for installing the hammer stem subassembly in the mount pad, the hammer stem locating lever is installed to the activity intracavity, the bottom surface parallel arrangement of hammer stem locating lever and mount pad, the one end of hammer stem locating lever is equipped with the angle spring with mount pad linking department, the other end and the mount pad linking department of hammer stem locating lever are equipped with the locating part, the hammer stem subassembly sets up along the direction activity of perpendicular to hammer stem locating lever, still be equipped with between upper end cover and the mount pad and be used for fixing the locking subassembly on the mount pad with the upper end cover, when the locking subassembly is in the lock-out state, hammer stem subassembly and mount pad bottom surface parallel arrangement, when the locking subassembly is in the unblock state, hammer stem subassembly sets up with the mount pad bottom surface. The utility model discloses simple structure, convenient to use, broken window is efficient, and the security is good.

Description

Vehicle-mounted safety hammer

Technical Field

The utility model relates to an on-vehicle safe hammer.

Background

At present, a plurality of traffic accidents occur in society, particularly, in some cars and buses, after the traffic accidents occur, the cars fall into water, and people and passengers on the cars are difficult to open the car windows for self rescue under the condition that the car windows are sealed, and only can be sealed in the cars to suffocate from drowning. Also there are some simple and easy at present, portable small-size mini broken window ware utilizes the mode of suppressing to change inclination and makes the spring atress effect, and the structure is complicated, and it is not very stable to use, and the power of breaing is limited, and the broken window that the accident can not be fine is saved oneself. And the existing safety hammer installed on the glass bed has large occupied space, poor stability and poor convenience in operation, and can not meet the requirements in practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an on-vehicle safe hammer.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a vehicle-mounted safety hammer comprises a mounting seat fixed on automobile glass, a hammer rod assembly and an upper end cover for beating the hammer rod assembly to break the automobile glass, wherein a hammering through hole for the hammer rod assembly to stretch is formed in the mounting seat, a movable cavity for mounting the hammer rod assembly is formed in the mounting seat, a hammer rod positioning rod is mounted in the movable cavity and is arranged in parallel with the bottom surface of the mounting seat, an angle spring is arranged at the joint of one end of the hammer rod positioning rod and the mounting seat, a limiting part is arranged at the joint of the other end of the hammer rod positioning rod and the mounting seat, the hammer rod assembly is movably arranged in the direction perpendicular to the hammer rod positioning rod, a locking assembly for fixing the upper end cover on the mounting seat is further arranged between the upper end cover and the mounting seat, and when the locking assembly is in a locking state, the hammer rod assembly is arranged in parallel with the bottom surface of the mounting seat, when the locking assembly is in an unlocking state, the hammer rod assembly is perpendicular to the bottom surface of the mounting seat.

Furthermore, the hammer stem assembly comprises a movable shaft and a shaft sleeve, a hammer head and a stress cap are respectively arranged at two ends of the movable shaft, the shaft sleeve is arranged on the hammer stem positioning rod, and the movable shaft is movably arranged in the shaft sleeve.

Furthermore, a return spring is sleeved between the stress cap and the shaft sleeve and positioned on the periphery of the movable shaft, and the torque of the return spring is 4-10 g/mm.

Furthermore, the spring coefficient of the angle spring is 14-18 g.mm/deg.

The vehicle-mounted safety hammer further comprises a buzzer arranged on the upper end cover and a button cell supplying power to the buzzer, a buzzer control switch for controlling the power on and off of the buzzer is arranged on the mounting seat, when the upper end cover is in an open state, the buzzer control switch is turned on, the button cell supplies power to the buzzer, and the buzzer gives an alarm; when the upper end cover is in a closed state, the buzzer control switch is turned off, the button cell stops supplying power to the buzzer, and the buzzer cannot give an alarm.

Furthermore, the upper end cover is rotatably installed on the installation seat, a hammering spring is connected between the upper end cover and the installation seat, and the hammering spring is compressed when the upper end cover swings away from the installation seat.

Furthermore, a rotating shaft is connected between the upper end cover and the mounting seat, and the hammering spring is sleeved on the periphery of the rotating shaft.

Furthermore, the spring coefficient of the hammering spring is 450-550 g.mm/deg.

Furthermore, the locking assembly comprises a first jack arranged on the upper end cover, a mounting hole and a second jack arranged on the mounting seat, a lock catch and a bolt, wherein the bolt penetrates through the first jack and the second jack and then is inserted into the lock catch in the mounting hole.

Further, still include and meet water alarm, meet water alarm includes box, LED lamp, battery case, probe and control circuit board, the battery case is connected with LED lamp and probe electricity, and control circuit board is connected with LED lamp and battery case electricity respectively, be equipped with the water inlet on the box, when the probe has surveyed that water gets into the box from the water inlet, control circuit board realizes that the battery case sends work order to the LED lamp and realizes the flashing light warning.

After the technical scheme is adopted, the utility model has the advantages of as follows:

1. through fixing the mount pad on glass, can open the locking subassembly and hammer the hammer stem subassembly through the upper end cover and realize broken window under emergency, and when not opening flip, it promotes the hammer stem subassembly and makes the hammer stem locating lever rotatory and compress angle spring to go up the flip, thereby realize that the hammer stem subassembly keeps the horizontality, so can effectively reduce the size of safe hammer, and when opening flip, flip and hammer stem subassembly separation at this moment, the hammer stem locating lever resumes to the state perpendicular with the mount pad bottom surface under angle spring release, and too big because of inertia swing by locating part restriction hammer stem locating lever, can be in the position of perpendicular to mount pad bottom surface when having guaranteed the hammer stem subassembly to resume, guarantee that the hammer stem subassembly obtains the effort of perpendicular to glass, glass crushing's efficiency and stability have been improved.

2. By the atress cap on the loose axle as the stress point, the atress area when having improved the striking has strengthened glass and has smashed the stability when, realizes realizing spacing to the concertina movement of loose axle by the axle sleeve, has improved the flexible stability of activity of loose axle, has improved glass crushing efficiency and stability.

3. Reset spring is cup jointed between atress cap and the axle sleeve and is located the periphery of loose axle, goes up flip striking atress cap after reset spring is extruded, and after upward flip and atress cap separation, reset spring drives the loose axle and resumes to initial condition because of elastic restoring force, has avoided the tup to stand out and has caused unexpected fish tail, has improved the security when safe hammer uses. By setting the torque of the reset spring to be 4-10g/mm, the restoring force of the reset spring can be ensured to be enough to ensure that the movable shaft can restore to the initial position, the potential safety hazard caused by the exposed hammer head is avoided, and the safety of the safety hammer in use is improved.

4. The spring coefficient of the angle spring is set to be 14-18 g.mm/deg, so that the spring restoring force of the angle spring can drive the hammer rod assembly to restore to the position perpendicular to the bottom surface of the mounting seat, the overlarge spring coefficient causes overlarge elasticity in restoration, the safety in use of the safety hammer is reduced, and the situation that the hammer rod assembly cannot restore to the position perpendicular to the bottom surface of the mounting seat due to the overlarge spring coefficient influences the normal use of the hammer head.

5. The upper end cover of the vehicle-mounted safety hammer is provided with the buzzer, the buzzer control switch arranged on the mounting seat controls the power on and off of the buzzer, when the upper end cover is in an open state, the buzzer control switch is turned on, the button battery supplies power to the buzzer, and the buzzer gives an alarm; when the upper end cover is in a closed state, the buzzer control switch is turned off, the button cell stops supplying power to the buzzer, and the buzzer cannot give an alarm, so that the alarm can be given when the upper end cover is broken off due to misoperation, the misoperation of children is avoided, and the safety of the vehicle-mounted safety hammer in use is improved.

6. The setting of hammering spring for the upper end cover can compress the hammering spring when the upset, and the upper end cover realizes the striking to the atress cap under the restoring force effect of hammering spring, thereby has made things convenient for the operation of upper end cover to the striking of hammer stem subassembly, has improved the convenience when hammering the operation safely.

7. The rotating shaft connected between the upper end cover and the mounting seat ensures the stability of the upper end cover during rotation, improves the stability of the upper end cover when the hammer rod component strikes, and improves the glass crushing efficiency and stability.

8. Through the arrangement that the spring coefficient of the hammering spring is 450-550 g-mm/deg, the upper cover plate can obtain enough impact force to crush the glass, the impact force of the upper cover plate to the hammer rod assembly cannot be guaranteed to crush the glass when the spring coefficient of the hammering spring is too small, and the impact force of the upper cover plate to the hammer rod assembly is too large when the spring coefficient of the hammering spring is too large, so that glass slag is splashed when the glass is impacted, and the safety of the safety hammer in use is affected.

9. Through run through first jack and second jack with the bolt after in the mounting hole peg graft on the hasp, so realized the fixed between upper cover plate and the installation base, simultaneously under emergency, can extract the hasp with the bolt when directly turning over the upper cover plate, improved the convenience that uses under the emergency.

10. When having realized intaking in the carriage through meeting water alarm, intaking by the water inlet, when detecting to intake in the box, by control circuit board control battery case to the power supply of LED lamp, the LED lamp scintillation this moment has realized the warning early warning when the carriage intakes from this, and personnel in the car of being convenient for in time discover the position of safe hammer, have improved the convenience when on-vehicle safe hammer uses.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is the structure schematic diagram of the vehicle-mounted safety hammer when not opened.

Fig. 2 is a left side view of the vehicle-mounted safety hammer when not opened.

Fig. 3 is a right side view of the vehicle-mounted safety hammer of the present invention when not opened.

Fig. 4 is a left side view of the vehicle-mounted safety hammer when the vehicle-mounted safety hammer is opened.

Fig. 5 is a top view of the vehicle-mounted safety hammer when not opened.

Fig. 6 is a bottom view of the vehicle-mounted safety hammer when not opened.

Fig. 7 is a rear view of the vehicle-mounted safety hammer of the present invention when it is not opened.

Fig. 8 is a schematic structural view of the vehicle-mounted safety hammer when the upper end cover is detached.

The names of the components marked in the figures are as follows:

1. a mounting seat; 2. a hammer lever assembly; 21. a movable shaft; 22. a shaft sleeve; 211. a hammer head; 212. a force-bearing cap; 3. an upper end cover; 4. hammering the spring; 5. a rotating shaft; 6. a locking assembly; 601. a first jack; 602. mounting holes; 603. a second jack; 604. locking; 605. a bolt; 7. a hammer rod positioning rod; 8. an angle spring; 9. a rain alarm; 901. a box body; 902. an LED lamp; 903. a water inlet; 10. a limiting member; 11. A return spring; 12. a limiting support seat; 13. a buzzer; 14. a button cell; 15. the buzzer controls the switch.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used in an orientation or positional relationship relative to one another only as illustrated in the accompanying drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.

As shown in fig. 1 to 8, the utility model provides a vehicle-mounted safety hammer, which comprises a mounting seat 1 fixed on automobile glass, a hammer rod assembly 2 and an upper end cover 3 for striking the hammer rod assembly 2 to break the automobile glass, wherein the mounting seat 1 is provided with a hammering through hole 101 for the hammer rod assembly 2 to stretch, the vehicle-mounted safety hammer is characterized in that a movable cavity 102 for mounting the hammer rod assembly 2 is arranged in the mounting seat 1, a hammer rod positioning rod 7 is arranged in the movable cavity 102, the hammer rod positioning rod 7 is arranged in parallel with the bottom surface of the mounting seat 1, an angle spring 8 is arranged at the joint of one end of the hammer rod positioning rod 7 and the mounting seat 1, a limiting part 10 is arranged at the joint of the other end of the hammer rod positioning rod 7 and the mounting seat 1, the hammer rod assembly 2 is movably arranged along the direction perpendicular to the hammer rod positioning rod 7, a locking assembly 6 for fixing the upper end cover 2 on the mounting seat 1 is also arranged between the upper, when the locking assembly 6 is in a locking state, the hammer rod assembly 2 is arranged in parallel with the bottom surface of the mounting seat 1, and when the locking assembly 6 is in an unlocking state, the hammer rod assembly 2 is arranged perpendicular to the bottom surface of the mounting seat 1. The window breaking can be realized by adhering the mounting seat 1 on the glass, opening the locking assembly 6 in emergency and hammering the hammer rod assembly 2 through the upper end cover 3, when the upper flip cover 3 is not opened, the upper flip cover 3 pushes the hammer rod component 2 to enable the hammer rod positioning rod 7 to rotate and compress the angle spring 8, thereby realizing that the hammer lever assembly 2 is maintained in a horizontal state, thus effectively reducing the size of the safety hammer, and when the upper folder 3 is opened, at the moment, the upper flip 3 is separated from the hammer lever component 2, the hammer lever positioning rod 7 is restored to be in a state of being vertical to the bottom surface of the mounting seat 1 under the releasing action of the angle spring 8, and the limiting part 10 limits the hammer rod positioning rod 7 to swing too much due to inertia, so that the hammer rod assembly 2 can be positioned at a position vertical to the bottom surface of the mounting seat 1 when recovering, the hammer rod assembly 2 is ensured to obtain an acting force vertical to the glass, and the glass crushing efficiency and stability are improved.

In this embodiment, the hammer rod assembly 2 includes a movable shaft 21 and a shaft sleeve 22, two ends of the movable shaft 21 are respectively provided with a hammer head 211 and a stressed cap 212, the shaft sleeve 22 is mounted on the hammer rod positioning rod 7, and the movable shaft 21 is movably disposed in the shaft sleeve 22. The stress cap 212 on the movable shaft 21 serves as a stress point, so that the stress area during impact is increased, the stability of glass during crushing is enhanced, the limit of the telescopic motion of the movable shaft 21 is realized by the shaft sleeve 22, the stability of the telescopic motion of the movable shaft 21 is improved, and the efficiency and the stability of glass crushing are improved.

In the present embodiment, the return spring 11 is fitted between the force receiving cap 212 and the boss 22 and around the outer periphery of the movable shaft 21. The reset spring 11 is sleeved on the periphery of the movable shaft 21 between the stress cap 212 and the shaft sleeve 22, the reset spring 11 is extruded after the upper flip 3 impacts the stress cap 212, and after the upper flip 3 is separated from the stress cap 212, the reset spring 11 drives the movable shaft 21 to recover to an initial state due to elastic restoring force, so that accidental scratching caused by protrusion of the hammer head 211 is avoided, and the safety of the safety hammer during use is improved.

In the present embodiment, the moment of the return spring 11 is 4-10 g/mm. Particularly, in this embodiment, the moment of the return spring 11 is 7g/mm, so that the restoring force of the return spring 11 can be ensured to be enough to ensure that the movable shaft 21 can restore to the initial position, the potential safety hazard caused by the exposure of the hammer head 211 is avoided, and the safety of the safety hammer during use is improved.

In the present embodiment, the spring constant of the angle spring 8 is 14 to 18 g.mm/deg. Specifically, in the embodiment, the spring coefficient of the angle spring 8 is 16g · mm/deg, and thus, the spring restoring force of the angle spring 8 can be ensured to drive the hammer rod assembly 2 to restore to the position perpendicular to the bottom surface of the mounting seat 1, the elasticity is too large when the spring coefficient is too large to cause restoration, so that the safety of the safety hammer during use is reduced, and the spring coefficient is too small to ensure that the hammer rod assembly 2 cannot restore to the position perpendicular to the bottom surface of the mounting seat 1, so that the normal use of the hammer head is affected.

In this embodiment, the upper end cap 3 is rotatably mounted on the mounting seat 1, the hammering spring 4 is connected between the upper end cap 3 and the mounting seat 1, and the hammering spring 4 is compressed when the upper end cap 3 swings away from the mounting seat 1. The setting of hammering spring 4 for upper end cover 3 can compress hammering spring 4 when the upset, and the striking to atress cap 212 is realized to upper end cover 3 under the effect of the restoring force of hammering spring 4, thereby has made things convenient for the operation of upper end cover 3 to the striking of hammer stem subassembly 2, has improved the convenience when hammering the operation safely.

In this embodiment, a rotating shaft 5 is further connected between the upper end cover 3 and the mounting base 1, and the hammering spring 4 is sleeved on the periphery of the rotating shaft 5. The rotating shaft 5 connected between the upper end cover 3 and the mounting seat 1 ensures the stability of the upper end cover 3 during rotation, improves the stability of the upper end cover 3 when striking the hammer rod component 2, and improves the glass crushing efficiency and stability.

In the present embodiment, the spring constant of the hammer spring 3 is 550g · mm/deg. Specifically to this embodiment, the spring constant of hammering spring 3 is 500g · mm/deg, so set up, can make upper cover plate 3 obtain sufficient impact and make glass smash, and the spring constant undersize of hammering spring 3 then can't guarantee that the impact of upper cover plate 3 to hammer stem subassembly 2 can make glass broken, and the too big impact that leads to upper cover plate 3 to hammer stem subassembly 2 of spring constant of hammering spring 3 then leads to the impact of upper cover plate 3 to hammer stem subassembly 2 too big, cause the glass sediment to splash when making the striking glass, the security when influence safety hammer uses.

In this embodiment, the locking assembly 6 includes a first insertion hole 601 formed in the upper cover 3, a mounting hole 602 and a second insertion hole 603 formed in the mounting base 1, a lock catch 604, and a latch 605, where the latch 605 penetrates through the first insertion hole 601 and the second insertion hole 603 and then is inserted into the lock catch 604 in the mounting hole 602. The bolt 605 penetrates through the first jack 601 and the second jack 603 and then is inserted into the lock catch 604 in the mounting hole 602, so that the upper cover plate 3 and the mounting base 1 are fixed, and meanwhile, the bolt 605 can be pulled out of the lock catch 604 when the upper cover plate 3 is directly turned over in an emergency, so that the convenience in use in the emergency is improved.

In this embodiment, still include water alarm 9, water alarm 9 includes box 901, LED lamp 902, battery case, probe and control circuit board, and the battery case is connected with LED lamp 902 and probe electricity, and control circuit board is connected with LED lamp 902 and battery case electricity respectively, is equipped with water inlet 903 on the box 901, and when the probe measured that there was water to get into box 901 from water inlet 903, control circuit board realized that the battery case sent work order to LED lamp 902 and realized the flashing light warning. When having realized intaking in the carriage through meeting water alarm 9, intaking by water inlet 903, when detecting to detect that the box 901 is interior to intake, by control circuit board control battery case to the power supply of LED lamp 902, LED lamp 902 scintillation this moment has realized the warning early warning when the carriage intakes from this, and personnel in the car of being convenient for in time discover the position of safe hammer, have improved the convenience when on-vehicle safe hammer uses.

In this embodiment, the vehicle-mounted safety hammer further comprises a buzzer 13 arranged on the upper end cover 3 and a button cell 14 for supplying power to the buzzer 13, a buzzer control switch 15 for controlling the power on and off of the buzzer 13 is arranged on the mounting base 1, when the upper end cover 3 is in an open state, the buzzer control switch 15 is turned on, the button cell 14 supplies power to the buzzer 13, and the buzzer 13 gives an alarm; when the upper end cover 3 is in a closed state, the buzzer control switch 15 is turned off, the button cell 14 stops supplying power to the buzzer 13, and the buzzer 13 cannot give an alarm. Therefore, the alarm can be given when the upper end cover is broken off by misoperation, the misoperation of children is avoided, and the safety of the vehicle-mounted safety hammer in use is improved.

It can be understood that the battery case is the lithium cell and when battery power was not enough this battery case can dismantle the back and change new battery, and battery case, control circuit board LED lamp 902 all by sealed, and box 901 is intake and is not influenced the circuit, after the box intake back probe contact water, the probe gives control circuit board with signal transmission, and control circuit board sends circular telegram signal to the battery case from this, realizes LED lamp scintillation by the battery package to the power supply of LED lamp and realizes reporting to the police.

It can be understood that water alarm 9 still includes warning loudspeaker, and warning loudspeaker are connected with the battery package electricity, and the probe detects the box and intakes the back, sends power transmission signal to the battery package by control circuit board, is supplied power to warning loudspeaker by the battery package, and warning loudspeaker send the police dispatch newspaper sound and realize into water and report to the police.

It will be appreciated that the vehicle safety hammer also includes a fluorescent signature which is affixed to the upper cover 3 to facilitate locating the safety hammer.

It can be understood that the bottom end of the mounting seat 1 is coated with glass cement for fixing the mounting seat on glass, or is provided with a sucking disc for adsorbing the mounting seat on the glass, and other technical schemes capable of realizing that the mounting seat 1 is fixed on the glass are available.

It will be appreciated that the moment of return spring 11 may also be 4.5g/mm, 5.0g/mm, 5.5g/mm, 6g/mm, 6.5g/mm, 7.5g/mm, 8g/mm, 8.5g/mm, 9g/mm, 9.5g/mm, 10g/mm, etc.

It is understood that the spring constant of the angle spring 8 may be 14 g.mm/deg, 14.5 g.mm/deg, 15 g.mm/deg, 15.5 g.mm/deg, 16.5 g.mm/deg, 17 g.mm/deg, 17.5 g.mm/deg, 18 g.mm/deg, etc.

It is understood that the spring constant of the hammer spring 3 may be 450 g.mm/deg, 455 g.mm/deg, 460 g.mm/deg, 465 g.mm/deg, 470 g.mm/deg, 475 g.mm/deg, 480 g.mm/deg, 485 g.mm/deg, 490 g.mm/deg, 495 g.mm/deg, 505 g.mm/deg, 510 g.mm/deg, 515 g.mm/deg, 520 g.mm/deg, 525 g.mm/deg, 530 g.mm/deg, 535 g.mm/deg, 540 g.mm/deg, 545 g.mm/deg, 550 g.mm/deg, etc.

It can be understood that the mounting seat 1 is provided with a limit support seat 12 for limiting the shaking of the hammer rod positioning rod 7. So set up, can guarantee that hammer stem locating lever 7 stability is better when rotatory.

It can be understood that, the locating part 10 is the too big structure of rotation angle all can when can avoiding hammer stem subassembly to reset such as L shaped plate or square board, and rotation angle is too big when so can avoiding hammer stem subassembly to reset leads to the hammer stem subassembly can't keep parallel with the mount pad bottom surface, has improved the stability when safe hammer uses.

In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.

Claims (10)

1. A vehicle-mounted safety hammer comprises a mounting seat fixed on automobile glass, a hammer rod assembly and an upper end cover for beating the hammer rod assembly to break the automobile glass, wherein the mounting seat is provided with a hammering through hole for the hammer rod assembly to stretch, and the vehicle-mounted safety hammer is characterized in that a movable cavity for mounting the hammer rod assembly is arranged in the mounting seat, a hammer rod positioning rod is mounted in the movable cavity and is arranged in parallel with the bottom surface of the mounting seat, an angle spring is arranged at the joint of one end of the hammer rod positioning rod and the mounting seat, a limiting part is arranged at the joint of the other end of the hammer rod positioning rod and the mounting seat, the hammer rod assembly is movably arranged in the direction perpendicular to the hammer rod positioning rod, a locking assembly for fixing the upper end cover on the mounting seat is further arranged between the upper end cover and the mounting seat, and is arranged in parallel with the bottom surface of the mounting seat when the locking assembly is in a locking state, when the locking assembly is in an unlocking state, the hammer rod assembly is perpendicular to the bottom surface of the mounting seat.

2. The vehicle-mounted safety hammer according to claim 1, wherein the hammer rod assembly comprises a movable shaft and a shaft sleeve, a hammer head and a stress cap are respectively arranged at two ends of the movable shaft, the shaft sleeve is mounted on the hammer rod positioning rod, and the movable shaft is movably arranged in the shaft sleeve.

3. The vehicle-mounted safety hammer according to claim 2, wherein a return spring is sleeved on the periphery of the movable shaft between the stressed cap and the shaft sleeve, and the moment of the return spring is 4-10 g/mm.

4. The on-board safety hammer of claim 1, wherein the angle spring has a spring rate of 14-18 g-mm/deg.

5. The vehicle-mounted safety hammer according to claim 1, further comprising a buzzer arranged on the upper end cover and a button battery for supplying power to the buzzer, wherein a buzzer control switch for controlling the on-off state of the buzzer is arranged on the mounting seat, when the upper end cover is in an open state, the buzzer control switch is turned on, the button battery supplies power to the buzzer, and the buzzer alarms; when the upper end cover is in a closed state, the buzzer control switch is turned off, the button cell stops supplying power to the buzzer, and the buzzer cannot give an alarm.

6. The vehicle safety hammer of claim 1, wherein the upper end cap is rotatably mounted on the mounting seat, a hammer spring is connected between the upper end cap and the mounting seat, and the hammer spring is compressed when the upper end cap swings away from the mounting seat.

7. The vehicle-mounted safety hammer according to claim 6, wherein a rotating shaft is further connected between the upper end cover and the mounting seat, and the hammering spring is sleeved on the periphery of the rotating shaft.

8. The vehicle safety hammer of claim 6, wherein the spring constant of the hammer spring is 450-550 g-mm/deg.

9. The vehicle-mounted safety hammer according to claim 1, wherein the locking assembly comprises a first jack arranged on the upper end cover, a mounting hole and a second jack arranged on the mounting seat, a lock catch and a bolt, and the bolt penetrates through the first jack and the second jack and then is inserted into the lock catch in the mounting hole.

10. The vehicle-mounted safety hammer according to claim 1, characterized by further comprising a water alarm, wherein the water alarm comprises a box body, an LED lamp, a battery box, a probe and a control circuit board, the battery box is electrically connected with the LED lamp and the probe, the control circuit board is electrically connected with the LED lamp and the battery box respectively, a water inlet is formed in the box body, when the probe detects that water enters the box body from the water inlet, the control circuit board realizes that the battery box sends a working instruction to the LED lamp to realize flashing alarm.

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