CN217219915U

CN217219915U - Escape impact hammer

Info

Publication number: CN217219915U
Application number: CN202220677594.XU
Authority: CN
Inventors: 高坚; 贺裕伟; 徐佩芬
Original assignee: Ningbo Haibo Security Technology Co ltd
Current assignee: Ningbo Haibo Security Technology Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-08-19
Anticipated expiration: 2032-03-22

Abstract

An impact hammer of fleing, includes the shell, its characterized in that: the gas cylinder driving piece is used for driving the gas cylinder to release gas into the inflating bin, the exciting piece is used for opening the valve core to enable the gas in the inflating bin to enter the propelling bin, the striker is installed in the propelling bin, a striker emitting opening is formed in the front end of the propelling bin, and the gas entering the propelling bin can drive the striker to be outwards pushed out through the striker emitting opening. This jump bit of fleing is through operation gas cylinder driving piece, make gas cylinder release gaseous to aerifing in the storehouse, during the impact, only need just can open the valve inside through arousing the piece, make the gaseous entering in the storehouse of aerifing advance in the storehouse, and promote the firing pin and outwards release through firing pin launch opening, once strike the completion back, the valve inside is closed in order to meet next time percussion, this jump bit is not only compact structure comparatively, and convenient to carry, and job stabilization is reliable moreover, the gas in a gas cylinder can also be used to percussion many times.

Description

Escape impact hammer

Technical Field

The utility model relates to a pneumatic means especially relates to a jump bit of fleing.

Background

At present, with the increasing number of private cars, people also consider more and more in the aspect of automobile safety, and people generally realize that when an accident occurs to an automobile, the best self-rescue mode is to break a window for escape. Therefore, a safety hammer is generally provided on a vehicle as an escape tool, and when an accident such as a fire or water ingress occurs to the vehicle, a driver or a passenger may smash a window with the safety hammer, smash a window glass of the vehicle, and then escape the vehicle from the window. However, because the automobile glass is made of toughened glass and has high hardness, the automobile glass can be broken by using high force when the safety hammer is used, and the automobile glass is often required to be knocked for many times, so that precious rescue time is delayed, and for special people such as old people, young people, sick people and the like, the automobile glass cannot be broken due to insufficient force, so that the escape opportunity is lost. The pneumatic impact hammer is a mechanical tool which takes compressed air as power and instantly releases to push an internal hammer head to impact, has the advantages of large impact force, low noise, convenient installation, use in explosion-proof, dusty, humid and other environments and the like, and is widely applied in the fields of industry, agriculture, building industry and the like, so the pneumatic impact hammer is very suitable to be used as an escape tool to be installed in an automobile. Most of the existing pneumatic impact hammers have complex structures and are inconvenient to carry, and after a certain impact hammer finishes one-time impact, the gas cylinder needs to be replaced, so that the pneumatic impact hammer is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned prior art current situation, provide a compact structure, convenient operation's jump bit of fleing.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the escape impact hammer comprises a shell and is characterized in that: the gas cylinder driving piece is used for driving the gas cylinder to release gas into the inflating bin, the exciting piece is used for opening the valve core to enable the gas in the inflating bin to enter the propelling bin, a firing pin is installed in the propelling bin, a firing pin emitting opening is formed in the front end of the propelling bin, and the gas entering the propelling bin can drive the firing pin to be pushed out through the firing pin emitting opening.

Preferably, the shell is L-shaped as a whole, the gas cylinder and the gas charging bin are vertically arranged at the vertical part of the shell, the bottle opening of the gas cylinder faces upwards, the gas charging bin is arranged above the gas cylinder, and the propelling bin is arranged at the transverse part of the shell. Thus, the vertical part can be used as a holding part of an operator, and the operation is convenient.

In order to enable the gas in the inflating bin to smoothly enter the propelling bin, the side part of the inflating bin is provided with a gas outlet, the rear end of the propelling bin is provided with a gas inlet, and the gas outlet is communicated with the gas inlet through a connecting gas valve.

In order to avoid air leakage at the joint of the connecting air valve, the connecting air valve and the inflating bin as well as the connecting air valve and the propelling bin are sealed by sealing rings.

The gas cylinder driving part can have various structures, preferably, the gas cylinder driving part is a gas cylinder bin cover arranged at the bottom of the vertical part of the mounting shell, the gas cylinder bin cover is connected to the bottom of the gas charging bin through bolts, the gas cylinder is arranged in the gas cylinder bin cover, a gas cylinder spring is arranged between the tail part of the gas cylinder and the gas cylinder bin cover, a thimble is arranged in the gas charging bin, and in the screwing process of the gas cylinder bin cover, the gas cylinder moves upwards relative to the thimble so that the thimble punctures the opening of the gas cylinder, and then gas in the gas cylinder enters the gas charging bin. Therefore, the gas bottle bin cover is screwed to drive the gas bottle to move upwards, so that the thimble punctures the bottle opening, and gas in the gas bottle enters the gas filling bin.

Preferably, the bottom of the shell is provided with a safety buckle, the safety buckle can prevent the gas cylinder bin cover from being screwed upwards when the safety buckle is in an upper state, and the gas cylinder bin cover can be screwed upwards when the safety buckle is in a pull-out state. Therefore, when the impact hammer is not used, the safety buckle is buckled, and false triggering can be avoided.

In order to enable the exciting piece to open the valve inside, an ejector rod is arranged in the inflating bin, the ejector rod is located above the ejector pin and abuts against the ejector pin, a pressing block assembly is arranged above the ejector rod, the top of the pressing block assembly is exposed out of the shell, and the exciting piece can drive the ejector rod and the ejector pin to move downwards synchronously by applying force to the pressing block assembly so as to open the valve inside.

Preferably, the ejector pin is provided with a radial boss, the valve core is sleeved on the ejector pin and supported on the radial boss, an O-shaped ring frame is installed at the opening of the gas cylinder, a valve core spring is further sleeved on the ejector pin, the upper end of the valve core spring abuts against the radial boss, the lower end of the valve core spring abuts against the O-shaped ring frame, the valve core can be opened along with downward movement of the ejector pin, and the valve core spring is in a compression state under an opening state of the valve core so that the ejector pin keeps an upward reset trend. Thus, the external force generated by the exciting piece is used for opening the valve core, and when the external force of the exciting piece disappears, the valve core is closed under the action of the valve core spring.

Preferably, an exhaust passage is formed in the housing, a push rod is installed in the exhaust passage, and when the striker is pushed out forwards, airflow in the propelling bin enters the exhaust passage and drives the push rod to act on the pressing block assembly, so that the ejector pin and the ejector rod reset upwards and the valve core is closed under the action of the elastic force of the valve core spring. Therefore, after the impact on the firing pin is completed, the push rod drives the pressing block assembly to act, and the valve core can be closed.

The briquetting subassembly can have multiple structures, preferably, the briquetting subassembly includes briquetting, pressure spring and activity head down, the briquetting exposes in the shell down, the pressure spring is installed under and between briquetting and the shell and make the briquetting keep having the trend of outside motion down, and the inner end of briquetting offsets with the outer end of activity head down, and the activity head rotates and sets up on the shell, and the inner end of activity head offsets with the outer end of ejector pin, and the activity head rotates under the effect of push rod and enables the ejector pin and reset.

Further preferably, the activating member is an activating trigger rotatably disposed at a rear side of the housing, and the activating trigger presses the depressing block to open the valve core in a depressed state of the activating trigger.

Compared with the prior art, the utility model has the advantages of: this jump bit of fleing is through operation gas cylinder driving piece, can make gas cylinder release gaseous to aerifing in the storehouse, during the impact, only need just can open the valve inside through arousing the piece, make the gaseous entering in the storehouse of aerifing advance in the storehouse, and promote the firing pin and outwards release through the firing pin transmission mouth, once strike the completion back, the valve inside is closed in order to meet next time percussion, this jump bit is not only compact structure comparatively, and convenient to carry, and job stabilization is reliable moreover, the gas in a gas cylinder can also be used to percussion many times.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the present invention (the trigger is not activated);

FIG. 2 is a cross-sectional view of the impact hammer of FIG. 11;

fig. 3 is a schematic structural view (with the safety buckle pulled out) of the embodiment of the present invention;

FIG. 4 is a cross-sectional structural view of the impact hammer of FIG. 3;

fig. 5 is a schematic structural view (trigger activated) of an embodiment of the present invention;

FIG. 6 is a cross-sectional structural view of the impact hammer of FIG. 5;

fig. 7 is a schematic structural view (with the striker extended) of an embodiment of the present invention;

FIG. 8 is a cross-sectional view of the impact hammer of FIG. 7 with the valve core open;

FIG. 9 is a cross-sectional view of the impact hammer of FIG. 7 (valve core closed);

fig. 10 is a structural cross-sectional view (striker reset) of an embodiment of the present invention;

fig. 11 is a structural cross-sectional view (trigger reset activated) of an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 11, the escape percussion hammer of the present embodiment includes a housing 1, an air bottle 2, an inflation chamber 3, a valve core 4, a propelling chamber 5, a striker 6, a connecting air valve 7, an air bottle chamber cover 8, an air bottle spring 9, a safety catch 10, a thimble 11, a top rod 12, a pressure block assembly 13, an O-ring frame 14, a valve core spring 15, an exhaust passage 16, a push rod 17, a trigger 18, a striker spring 19, and the like.

Wherein, the housing 1 is L-shaped as a whole, that is, the housing 1 has a vertical part and a horizontal part. Gas cylinder 2 and the vertical setting in the vertical portion of aerifing the storehouse 3 are in shell 1, and the bottleneck of gas cylinder 2 is up, is full of gas in the gas cylinder 2, like carbon dioxide, aerifys the top that storehouse 3 located gas cylinder 2. The propelling bin 5 is arranged at the transverse part of the shell 1, a firing pin 6 and a firing pin spring 19 are arranged in the propelling bin 5, and the front end of the propelling bin 5 is provided with a firing pin emitting opening 51. The side part of the inflating bin 3 is provided with an air outlet, the rear end of the propelling bin 5 is provided with an air inlet, and the air outlet is communicated with the air inlet through a connecting air valve 7.

Gas cylinder storehouse lid 8 is installed in the bottom of 1 vertical portion of shell, and gas cylinder storehouse lid 8 bolted connection is in 4 bottoms in the storehouse of aerifing, and gas cylinder 2 is located in gas cylinder storehouse lid 8, and gas cylinder spring 9 is installed between the afterbody of gas cylinder 2 and gas cylinder storehouse lid 8. The safety buckle 10 is installed at the bottom of the housing 1, and as shown in fig. 1 and 2, when the safety buckle 10 is buckled, the gas cylinder chamber cover 8 cannot be screwed upwards. As shown in fig. 3 and 4, when the safety buckle 10 is pulled out, the cylinder case cover 8 can be screwed upwards.

In addition, the thimble 11 is arranged in the gas filling bin 3 and above the gas bottle 2, the needle of the thimble 11 faces the gas bottle opening of the gas bottle 2, and in the process of screwing the gas bottle bin cover 8 upwards, the gas bottle 2 moves upwards relative to the thimble 11, so that the thimble 11 punctures the bottle opening of the gas bottle 2, the gas in the gas bottle 2 enters the gas filling bin 3, and at the moment, the gas bottle spring 9 is compressed.

In this embodiment, the thimble 11 has a radial boss 111, and the valve core 4 is sleeved on the thimble 11 and supported on the radial boss 111. The O-shaped ring frame is hermetically arranged at the opening of the gas cylinder 2, the valve core spring 15 is sleeved on the thimble 11, the upper end of the valve core spring 15 is propped against the radial boss 111, and the lower end of the valve core spring 15 is propped against the O-shaped ring frame 14. The ejector rod 12 is also arranged in the inflating bin 3, the ejector rod 12 is positioned above the ejector pin 11, the bottom end of the ejector rod 12 is abutted against the ejector pin 11, and the top end of the ejector rod 12 upwards extends out of the inflating bin 3.

The briquetting assembly 13 is mounted on the housing 1 and located above the ram 12. The pressing block assembly 13 of the present embodiment includes a lower pressing block 131, a compression spring 132 and a movable head 133, wherein the lower pressing block 131 is exposed from the housing 1, the compression spring 132 is installed between the lower pressing block 131 and the housing 1 to keep the lower pressing block 131 moving upward, the lower end of the lower pressing block 131 abuts against the upper end of the movable head 133, the movable head 133 is rotatably disposed on the housing 1, and the lower end of the movable head 133 abuts against the upper end of the top rod 12. In this embodiment, an exhaust passage 16 is formed in the housing 1, a push rod 17 is installed in the exhaust passage 16, and the movable head 133 rotates under the action of the push rod 17 to reset the ejector rod 12. The activation member in this embodiment is an activation trigger 18 rotatably disposed on the rear side of the housing 1.

As shown in fig. 1 and 2, when the safety buckle 10 is not pulled out, the cylinder case cover 8 cannot be screwed upwards, and the opening of the cylinder 2 remains sealed.

The working process of the air valve linkage device of the embodiment is as follows:

firstly, as shown in fig. 3 and 4, the safety buckle 10 is pulled out, the gas cylinder bin cover 8 is screwed upwards, the gas cylinder 2 is driven to move upwards, the thimble 11 can be inserted into the mouth of the gas cylinder, and the gas charging bin 3 is filled with gas; then, as shown in fig. 5 and fig. 6, the trigger 18 is actuated, the trigger 18 directly acts on the lower pressing block 131 of the pressing rod assembly 13, the lower pressing block 131 pushes down the ejector rod 12 through the movable head 133, the ejector rod 12 drives the ejector pin 11 and the valve core 4 to move downward, the valve core 4 is opened, the high-pressure gas in the charging chamber 3 enters the charging chamber 5 through the connecting gas valve 7, at this time, although the gas cylinder 2 and the O-ring 14 also move downward, the moving stroke is smaller than that of the ejector pin 11, and therefore, the valve core spring 15 is in a compressed state; as shown in fig. 7 and 8, the striker 6 in the push compartment 5 is impacted by the gas in the push compartment 5 to extend outward, generating an impact force, such as a breaking force for glass, and the striker spring 19 is compressed; meanwhile, as shown in fig. 9, the high-pressure gas in the propulsion chamber 5 enters the exhaust passage 16, pushes the push rod 17 to move towards the strut assembly 13, the movable head 133 rotates under the pushing force of the push rod 17, and further, under the elastic force of the valve core spring 15, the ejector pin 11, the ejector rod 12 and the valve core 4 move upwards synchronously, and the valve core 4 is closed. Next, as shown in fig. 10, the gas pressure in the propulsion chamber 5 is reduced, and the striker 6 is retracted to the initial position by the striker spring 19; finally, as shown in FIG. 11, the trigger 18 is reset and the plunger assembly 13 is reset to meet the next firing.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. An impact hammer of fleing, includes shell (1), its characterized in that: be equipped with gas cylinder (2), aerify storehouse (3), valve core (4) and impel storehouse (5) in shell (1), the externally mounted of shell (1) has gas cylinder driving piece and arouses the piece, the gas cylinder driving piece is used for driving gas cylinder (2) release in gaseous storehouse (3) of aerifing, arouse the piece and be used for opening valve core (4) and make in the storehouse (3) of aerifing get into and impel storehouse (5), install firing pin (6) in the storehouse of impelling (5), the front end of impelling storehouse (5) is opened there is firing pin emission opening (51), and the gas that gets into and impel storehouse (5) can drive firing pin (6) and outwards release through firing pin emission opening (51).

2. The escape percussion hammer according to claim 1, wherein: the shell (1) is integrally L-shaped, the gas cylinder (2) and the gas charging bin (3) are vertically arranged at the vertical part of the shell (1), the bottle opening of the gas cylinder (2) faces upwards, the gas charging bin (3) is arranged above the gas cylinder (2), and the pushing bin (5) is arranged at the transverse part of the shell (1).

3. The escape percussion hammer according to claim 1, wherein: the side part of the inflating bin (3) is provided with an air outlet, the rear end of the propelling bin (5) is provided with an air inlet, and the air outlet is communicated with the air inlet through a connecting air valve (7).

4. The escape percussion hammer according to any one of claims 1 to 3, wherein: the gas cylinder driving piece is a gas cylinder bin cover (8) arranged at the bottom of the vertical portion of the outer shell, the gas cylinder bin cover (8) is connected to the bottom of the gas charging bin (3) through bolts, the gas cylinder (2) is arranged in the gas cylinder bin cover (8), a gas cylinder spring (9) is arranged between the tail portion of the gas cylinder (2) and the gas cylinder bin cover (8), a thimble (11) is arranged in the gas charging bin (3), and in the screwing process of the gas cylinder bin cover (8), the gas cylinder (2) moves upwards relative to the thimble (11) to enable the thimble (11) to puncture the opening of the gas cylinder (2), so that gas in the gas cylinder (2) enters the gas charging bin (3).

5. The escape percussion hammer according to claim 4, wherein: the safety buckle (10) is installed at the bottom of the shell (1), the gas cylinder bin cover (8) can be prevented from being screwed upwards by the safety buckle (10) in a buckled state of the safety buckle (10), and the gas cylinder bin cover (8) can be screwed upwards in a pulled state of the safety buckle (10).

6. The escape percussion hammer according to claim 4, wherein: be equipped with ejector pin (12) in inflating storehouse (3), ejector pin (12) are located the top of thimble (11) and offset with the thimble, are equipped with briquetting subassembly (13) above ejector pin (12), the top of briquetting subassembly (13) is exposed in shell (1), the excitation can drive ejector pin (12) and thimble (11) synchronous motion downwards through application of force in briquetting subassembly (13), and then open valve inside (4).

7. The escape percussion hammer according to claim 6, wherein: the valve core spring is characterized in that the ejector pin (11) is provided with a radial boss (111), the valve core (4) is sleeved on the ejector pin (11) and supported on the radial boss (111), an O-shaped ring frame (14) is installed at the opening of the gas cylinder (2), a valve core spring (15) is further sleeved on the ejector pin (11), the upper end of the valve core spring (15) is abutted against the radial boss (111), the lower end of the valve core spring (15) is abutted against the O-shaped ring frame (14), the valve core (4) can be opened along with downward movement of the ejector pin (11), and the valve core (4) is opened and is in a compressed state, so that the ejector pin (11) keeps an upward reset trend.

8. The escape percussion hammer according to claim 7, wherein: an exhaust channel (16) is formed in the shell (1), a push rod (17) is installed in the exhaust channel (16), under the condition that the firing pin (6) is pushed out forwards, airflow in the pushing bin (5) enters the exhaust channel (16) and drives the push rod (17) to act on the pressing block assembly (13), and then under the action of the elastic force of the valve core spring (15), the ejector pin (11) and the ejector rod (12) are reset upwards and the valve core (4) is closed.

9. The escape percussion hammer according to claim 8, wherein: briquetting subassembly (13) include briquetting (131), pressure spring (132) and activity head (133) down, briquetting (131) expose in shell (1) down, pressure spring (132) are installed between briquetting (131) and shell (1) and make briquetting (131) keep having the trend of outside motion down, and the inner end of briquetting (131) offsets with the outer end of activity head (133) down, and activity head (133) rotate to be set up on shell (1), and the inner end of activity head (133) offsets with the outer end of ejector pin (12), and activity head (133) take place to rotate under the effect of push rod (17) and enable ejector pin (12) to reset.

10. The escape percussion hammer according to claim 9, wherein: the excitation piece is an excitation trigger (18) which is rotatably arranged on the rear side of the shell (1), and the excitation trigger (18) presses the pressing block (131) to open the valve core (4) under the downward pressing state of the excitation trigger (18).