KR20180096975A - Hammer with ladder and method of use thereof - Google Patents

Abstract

The present invention relates to a ladder-combined hammer and a method for using the same. More specifically, the present invention relates to the ladder-combined hammer and the method for using the same, which can break a glass window in an emergency such as bus rollover and escape a passenger. In order to achieve the above object, the present invention provides the ladder-combined hammer comprising: a fixation unit; a hammer; and a ladder.

Description

HAMMER WITH LADDER AND METHOD OF USE THEREOF

The present invention relates to a ladder-type hammer and a method of using the hammer. More particularly, the present invention relates to a ladder-type hammer that breaks a glass window in an emergency situation such as a rollover of a bus and allows a passenger to escape, Invention.

In the case of a general bus, the riding door and the getting-off door of the passenger are installed respectively, or only one door is provided for the passenger and the passenger gets on and off the door.

This type of bus can not be escaped when the window is fixed type when the situation where the boarding door can not be opened when an emergency such as an overturning accident occurs and the window can be opened and escaped when the window is sliding type, The area is so small that it is impossible for many passengers to escape quickly.

Therefore, most buses in general have escape hammers that can break glass windows in an emergency.

1, the windowpillar 2 is a part where a lot of work is needed to be done in the interior of the bus interior. Therefore, The change of the position of the escape hammers mounted on the passenger is small and visibility of passengers is poor. Therefore, there was a problem that passengers could not escape because they could not find a hammer in an emergency.

Further, since the number of the window pillar 2 is limited, there is a problem that the number of the hammer is limited.

In addition, the hammer mounted on the window pillar 2 is easily stolen by a curious passenger because of easy access of the occupant, and when the driver separates the hammer to prevent the theft, There has been a problem that can not be achieved.

Also, in the case of a large-sized bus such as a high-speed bus, most of the windows are fixed and the vehicle body is high. Therefore, even if the window is broken by using the escape hammers, there is a possibility of secondary accident when escaping.

Korean Patent Registration No. 10-0537008

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to provide a ladder-type hammer which is installed in a top duct portion of a windshield of a large bus close to a passenger seat to easily break a windshield in an emergency situation, To be able to escape.

According to another aspect of the present invention, there is provided a ladder-

A rod-shaped ladder fixing section;

A hammer having a bar shape and having sharp-shaped head portions at both ends;

And a ladder formed of a string or a string.

The ladder-combined hammer is installed inside the duct located at the upper end of the bus so that the longitudinal direction of the ladder fixing part and the hammer is parallel to the longitudinal direction of the duct.

One end of the ladder is fixed to the ladder fixing part, and the other end of the ladder is fixed to the hammer.

When the ladder-combined hammer is located inside the duct, the ladder is wound around the hammer.

And a mounting bracket for installing a ladder-combined hammer is formed in the duct.

The mounting bracket,

A vertical portion across the upper and lower portions of the duct;

And a horizontal portion formed by extending a predetermined length in a direction perpendicular to the vertical portion at a predetermined height portion of the vertical portion.

And a quadrangular-shaped opening is formed on the lower surface of the portion where the ladder-combined hammer is installed in the duct.

A portion of the hammer protruding from the outer circumferential portion of the hammer to the outside of the hammer is formed in a portion spaced a certain distance from the both head portions of the hammer toward the center portion of the hammer.

And the other end of the ladder is fixed to a portion spaced apart from the hammer's anti-jamming portion toward the center of the hammer.

And a hammer fixing clip for fixing the hammer to the mounting bracket is formed on the lower surface of the horizontal portion.

The hammer fixing clip includes a ring-shaped hammer inserting portion whose lower side is opened at regular intervals and an extending portion which is formed by extending a certain length toward the lower side from both open ends of the hammer inserting portion and being inclined at a certain angle in a direction away from each other Do.

The upper end surface of the hammer inserting portion is located in contact with the lower surface of the horizontal portion of the mounting bracket and the central axis of the hammer inserting portion is perpendicular to the horizontal portion.

When the ladder-combined hammer is located inside the duct, both ends of the ladder fixing part are fixedly positioned on the upper surface of the horizontal part, and both ends of the hammer are inserted into the hammer insertion part.

And the hammer fixing clip is sandwiched between the anti-slide portion and the head portion.

And a plate-shaped cover formed to be sized to close the opening portion is mounted on the opening portion.

The cover has a rectangular shape. A handle hole is formed at the center of the cover to allow the handle to pass to the outside of the duct, and protrusions for fixing the cover to the duct are formed at the center of each edge of the cover.

And an insertion groove is formed in the periphery of the opening portion of the duct so as to be wedged into the lower surface of the duct, so that the protrusion of the cover is inserted and fixed.

And a grip portion having a predetermined length in the longitudinal direction of the hammer is formed at a central portion of the hammer.

And the hammer fixing clip is formed of an elastic material.

Ribs are formed at corner portions formed by the upper surface and the vertical portion of the horizontal portion, and the ribs extend toward the ends of the vertical portion and the horizontal portion.

And a rotation shaft fixing hole for fixing the box rotation shaft is formed in the rib formed at the corner portion formed by the upper surface and the vertical portion of the horizontal portion.

And a rib formed on an upper surface of the horizontal portion is formed with a ladder fixing groove to which an end of the ladder fixing portion is fixed.

And the opening is equipped with a box which is sized to close the opening.

When the box is mounted on the duct in a rectangular shape, one of the wall surfaces parallel to the longitudinal direction of the duct and the upper side face of the box is open.

And a head guide slit having a predetermined length from one of the opened wall faces to the other wall face is formed on both wall surfaces of the box perpendicular to the longitudinal direction of the duct.

When the ladder-type hammer is mounted inside the duct,

And the end of the head portion is inserted and fixed to the closed end side of the head guide slit.

And a box rotating arm for rotating the box is formed at a portion spaced apart from the both ends of the box rotating shaft by a predetermined distance from the center of the box rotating shaft.

One end of the box rotating arm is wound on the box rotating shaft and the other end of the box rotating arm is fixed to the other wall surface parallel to the longitudinal direction of the duct in the box.

And a spring fixed to the box rotating shaft is connected to one end of the box rotating arm.

And the box is connected to the box rotation shaft by the box rotation arm.

And the box is fixed to the inside of the duct by the tension of the spring.

And the mounting brackets are installed in pairs in order to install one ladder-combined hammer.

Both ends of the ladder fixing part are bent at a predetermined angle toward the lower side of the duct, and the bent ends are bent at a predetermined angle so that both ends of the ladder fixing part are parallel to the central part of the ladder fixing part.

According to another aspect of the present invention, there is provided a method of using a ladder-

The handle being manually pulled toward the passenger;

Removing both ends of the hammer fixed to the insertion portion through the open lower side of the insertion portion while the extension portions of the hammer fixing clip are separated from each other;

Separating the cover from the duct;

The step of releasing the ladder wound on the hammer as the hammer descends towards the passenger;

Breaking the windshield of the bus using the head portion of the hammer;

Throwing the hammer out of the window and escaping using a ladder;

.

According to another aspect of the present invention, there is provided a method of using a ladder-

A step of pushing the closed side of the wall of the box parallel to the longitudinal direction of the duct upward;

Rotating the box with the box rotation axis being the rotation axis while the box rotation axis is rotating;

Moving the head portion of the hammer to the open end side from the closed end side of the head guide slit as the box rotates;

A step of releasing the ladder wound on the hammer as the hammer moves to the outside of the duct through the opening of the duct;

Breaking the windshield of the bus using the head portion of the hammer;

Throwing the hammer out of the window and escaping using a ladder;

.

According to the present invention, visibility can be secured by providing the ladder-combined hammer at a position close to the passenger seat.

Further, the ladder-combined hammer of the present invention is integrally formed, breaking the windshield with the hammer in case of emergency, and allowing the ladder to safely escape out of the bus.

In addition, although the conventional hammer is mounted only on the windowpillar portion, the hammer of the present invention is mounted on the upper portion of the passenger seat, so that the entire passenger can easily use the hammer in an emergency.

In addition, the hammer assembly having the ladder of the present invention is not easily detached, thereby reducing theft accident.

Fig. 1 is a position where a hammer is installed in a general bus.
Fig. 2 is a view showing a hammer mounting position according to the present invention.
3 is a conceptual view of a ladder-combined hammer according to the present invention.
4 is an exploded view of a ladder-combined hammer according to the present invention.
5 is a conceptual view of a state in which the ladder of the hammer of the present invention is unfolded.
FIG. 6 is a conceptual view showing a combination of a ladder-combined hammer and a duct mounting bracket according to the present invention. FIG.
FIG. 7 is a detailed view of the joining end of the hammer and the duct mounting bracket of the ladder-combined hammer of the present invention. FIG.
8 is a first embodiment of a ladder-combined hammer installed in a duct of the present invention.
9 is a conceptual view of a duct cover according to the present invention.
Fig. 10 is a cross-sectional view taken along the line AA of Fig. 8 of the present invention; Fig.
11 is a sectional view taken along the line BB of Fig. 8 of the present invention;
12 is a second embodiment of a ladder-combined hammer installed in a duct of the present invention.
FIG. 13 is a detailed view of the inner portion of the duct of the second embodiment of the present invention. FIG.
FIG. 14 is a conceptual diagram showing the steps of use of the second embodiment of the present invention. FIG.
Fig. 15 is a conceptual view of a rotating stage in use of the second embodiment of the present invention; Fig.
16 is a conceptual view when using the ladder-combined hammer of the present invention.

For a better understanding of the present invention, a preferred embodiment of the present invention will be described with reference to the accompanying drawings. The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. The present embodiments are provided to enable those skilled in the art to more fully understand the present invention. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that the same components are denoted by the same reference numerals in the drawings. Detailed descriptions of well-known functions and constructions which may be unnecessarily obscured by the gist of the present invention are omitted.

The present invention relates to a ladder-type hammer and a method of using the hammer. More particularly, the present invention relates to a ladder-type hammer that breaks a glass window in an emergency situation such as a rollover of a bus and allows a passenger to escape, Invention.

3 is a conceptual diagram of a ladder-combined hammer according to the present invention. FIG. 4 shows an exploded view of the ladder-combined hammer according to the present invention. FIG. FIG. 6 is a conceptual view showing a state where the ladder of the ladder-combined hammer according to the present invention is unfolded. FIG. 6 is a conceptual view showing the combination of the ladder- FIG. 8 shows a first embodiment of a ladder-combined hammer installed in a duct of the present invention, FIG. 9 shows a conceptual view of a duct cover of the present invention FIG. 10 is a sectional view taken along the line AA of FIG. 8 of the present invention, FIG. 11 is a sectional view taken along the line BB of FIG. 8 of the present invention, Fig. 13 shows a detailed view of the in-duct connection of the second embodiment of the present invention, and Fig. 14 is a schematic view of the step of using the second embodiment of the present invention Fig. 15 shows a conceptual diagram of a rotating step in use of the second embodiment of the present invention, and Fig. 16 shows a conceptual view when using the ladder-combined hammer of the present invention.

The ladder-combined hammer according to the present invention includes a rod-shaped ladder fixing part 4, a hammer 6 having a rod-like shape and having sharp-shaped head parts 8 at both ends thereof, and a ladder 12 formed of a string or a string .

One end of the ladder 12 is fixed to the ladder fixing part 4 and the other end of the ladder 12 is fixed to the hammer 6. The ladder fixing part 4 and the hammer 6 are fixed to the hammer 6, A ladder fixing groove 56 is formed at a portion of the ladder 12 spaced apart from the ladder 12 so that the end of the ladder 12 is fixed to the ladder fixing groove 56.

The ladder combined hammer can be installed anywhere near the window side of the bus such as the windowpillar portion 2 of the bus, the waist rail portion, the shelf, the air conditioner duct 14 at the upper end of the bus, Respectively.

The ladder 12 is wound around the hammer 6 when the hammer 6 is located inside the duct 14 and the length direction of the ladder fixing part 4 and the hammer 6 is And is disposed parallel to the longitudinal direction of the duct (14).

A handle 24 having a predetermined length in the longitudinal direction of the hammer 6 is formed at the center of the hammer 6. The handle 24 is configured to easily pull the hammers 6 by the passengers inside the bus when an emergency occurs. When the ladder-type hammer is installed in the duct 14, And is positioned so that the passengers inside the bus can easily pull out in case of emergency.

A mounting bracket 18 for installing the ladder-combined hammer is formed in the duct 14.

The mounting bracket 18 includes a vertical portion 20 which crosses the upper and lower portions of the duct 14 and a fixing portion 20 which is fixed to the vertical portion 20 by a predetermined length in a direction perpendicular to the vertical portion 20, And both end portions of the mounting bracket vertical portion 20 and the end portions of the horizontal portion 22 are fixed to the inner wall surface of the duct 14.

For example, the vertical portion 20 of the mounting bracket 18 is located at a position close to the inner wall surface on either side of both inner wall surfaces of the duct 14, and both ends of the vertical portion 20 are connected to the duct 14, the horizontal portion 22 extends toward the inner wall surface of the other of the inner wall surfaces of the duct 14 so that the end of the horizontal portion 22 is located on the inner wall surface of the other side .

The mounting brackets 18 are installed in pairs in order to install one ladder-combined hammer.

Both ends of the ladder fixing part 4 are bent at a predetermined angle toward the lower side of the duct 14 so that both ends of the ladder fixing part 4 are parallel to the central part of the ladder fixing part 4 The ladder fixing part 4 has both ends connected to the horizontal part 22 when the ladder-type hammer is installed on the mounting bracket 18 provided inside the duct 14. [ And the hammer is positioned on the lower surface of the horizontal portion 22. [0031]

The ladder fixing part 4 may be fixed to the horizontal part 22 by welding or the like, but the hammer 6 can not be fixed by welding or the like because of the movement in the emergency state .

Therefore, the hammer 6 is fixed to the horizontal portion 22 by using a hammer fixing clip 34 made of an elastic material. The hammer fixing clip 34 includes a ring-shaped hammer inserting portion 36 whose lower side is opened at a predetermined interval, and a hammering inserting portion 36 extending from the open both ends of the hammer inserting portion 36 by a predetermined length, And an extension portion 38 formed to be inclined at a predetermined angle.

When the hammer fixing clip 34 is fixed to the mounting bracket 18, the hammer fixing clip 34 is located at a position symmetrical to the ladder fixing part 4 with respect to the horizontal part 22, And the upper surface of the hammer inserting portion 36 is positioned in contact with the lower surface of the horizontal portion 22 of the mounting bracket 18 in a direction perpendicular to the horizontal portion 22.

The hammer 6 is fixed to the mounting bracket 18 by allowing the front end of the head part 8 to pass through the opened lower side of the hammer fixing clip 34 and fit into the hammer inserting part 36.

The hammer 6 may be pushed to one of the opposite ends of the hammer 6 when the hammer 6 is fitted in the hammer inserting part 36. Therefore, Preventing portions 10 are formed at both ends of the hammer 6 to prevent the hammer 6 from being pushed to one side.

The hammer 6 is formed at a position spaced apart from the both side head portions 8 of the hammer 6 toward the center of the hammer 6, And is formed in a shape extending a certain length toward the outside of the hammer 6.

The hammer 6 may be formed on the hammer fixing clip 34 to prevent the hammer 6 from being caught by the hammer fixing clip 34 when the hammer 6 is inserted into the hammer fixing clip 34, It is possible to prevent the hammer 6 from being pushed to one side.

The ladder fixing groove 56 formed in the hammer 6 is formed at a portion spaced from the anti-skid portion 10 toward the center of the hammer 6 by a predetermined distance, The ladder fixing groove 56 formed in the ladder fixing part 4 is fixed to a portion of the hammer 6 which is spaced a predetermined distance from the anti-tamper part 10 toward the center of the hammer 6, And is formed at a position in parallel with the ladder fixing groove 56 formed in the hammer 6 when the combined hammer is installed inside the duct 14. [

A rectangular opening 32 is formed in a lower surface of the duct 14 where the ladder and hammer are installed and a cover for isolating the inside of the duct 14 from the inside of the bus 14 26 are mounted.

The opening portion 32 is configured to move the hammer 6 from the inside of the duct 14 to the inside of the bus when it is in an emergency state and the length of one side of the opening portion 32 should be longer than the length of the hammer 6.

The cover 26 is sized to close the opening 32 to block the opening 32 and is formed of a rectangular plate made of transparent acrylic.

A handle hole 28 is formed in the center of the cover 26 to allow the handle 24 to pass through the duct 14 and the cover 26 is provided at the center of each edge of the cover 26, A protrusion 30 for fixing to the duct 14 is formed.

10 and 11, at the periphery of the opening portion 32 formed on the lower surface of the duct 14, an insertion groove 16 (see FIG. 10) Is formed.

The upper surface of the insertion groove 16 is formed so as to extend a certain length longer than the lower surface of the insertion groove 16 toward the center of the opening 32 so that the cover 26 is fixed to the opening 32 The upper surface of the periphery of the cover 26 where the protrusion 30 is not formed is in contact with the upper surface of the insertion groove 16 but does not abut the lower surface of the insertion groove 16, The peripheral portion of the cover 26 on which the protruding portion 30 is not formed is not fitted in the insertion groove 16.

 The cover 26 is inserted into the insertion groove 16 so that the upper and lower surfaces of the protrusion 30 protruding from the peripheral portion of the cover 26 are in contact with the upper and lower surfaces of the insertion groove 16, (32).

One end of the ladder 12 is fixed to the ladder fixing part 4 and the other end of the ladder 12 is fixed to the hammer 6 when the ladder- And the ladder fixing part 4 and the hammer 6 are fixed to the horizontal part 22 of the mounting bracket 18.

The ladder-combined hammer installed inside the duct 14 can be easily confirmed through the transparent cover 26 when a passenger inside the bus looks up the duct 14.

When the ladder-combined hammer configured as described above is in an emergency,

Manually pulling the handle portion (24) toward the passenger;

Removing both ends of the hammer 6 fixed to the hammer inserting portion 36 through the opened lower side of the hammer inserting portion 36 while the extended portions 38 of the hammer fixing clip 34 are distant from each other;

Separating the cover (26) from the duct (14);

A step of releasing the ladder (12) wound on the hammer (6) while the hammer (6) descending toward the passenger;

Breaking the windshield of the bus using the head portion (8) of the hammer (6);

A step of ejecting the hammer (6) out of the window and then using a ladder (12);

.

The passenger in the emergency bus pulls the handle 24 protruding through the handle hole 28 into the bus. The extended portions 38 of the hammer fixing clip 34 are separated from each other by the force applied to the handle portion 24 so that both ends of the hammer 6 fixed to the hammer inserting portion 36 are inserted into the hammer insertion portions 36, Is removed through the open lower side of the portion (36).

Even after the hammer 6 is detached from the hammer fixing clip 34, the passenger continues to pull the handle 24. By this force, the hammer 6 is pulled out of the upper surface of the cover 26 The cover 26 is separated from the opening portion 32 while the hammer 6 is lowered toward the passenger through the opening portion 32. [

The ladder 12 wound on the hammer 6 is released while the hammer 6 descends and the passenger hammers the windshield of the bus using the head 8 of the hammer 6, 6 is thrown out of the window and escapes out of the bus using the ladder 12.

Next, a second embodiment of the ladder-combined hammer of the present invention will be described.

The second embodiment of the present invention basically comprises a ladder fixing part 4, a hammer 6, a ladder 12 and a mounting bracket 18 having the same shape as the first embodiment, A box rotation shaft 44, a spring 48, and a box 40. [

One end of the ladder 12 is fixed to the ladder fixing part 4 and the other end of the ladder 12 is fixed to the hammer 6. The ladder fixing part 4 and the hammer 6 are fixed to the hammer 6, A ladder fixing groove 56 is formed at a portion of the ladder 12 spaced apart from the ladder 12 so that the end of the ladder 12 is fixed to the ladder fixing groove 56.

The mounting bracket 18 in the second embodiment is installed in the duct 14 in the same position and manner as in the first embodiment. In the mounting bracket 18 of the second embodiment, Unlike the bracket 18, a rib 50 is formed.

The ribs 50 formed on the mounting bracket 18 of the second embodiment are formed on the upper surface of the horizontal portion 22 of the mounting bracket 18 and the corner portions formed by the vertical portion 20, Is formed so as to extend toward the ends of the vertical portion 20 and the horizontal portion 22.

A box rotation axis fixing hole 54 for fixing the box rotation axis 44 is formed in the rib 50 formed on the upper surface of the horizontal part 22 and the corner part formed by the vertical part 20, The rib 50 formed on the upper surface of the horizontal part 22 toward the end of the horizontal part 22 is formed with a ladder fixing part 52 fixed to the end of the ladder fixing part 4.

A rectangular opening 32 is formed in a lower surface of the duct 14 where the ladder and hammer are installed and a box for isolating the inside of the duct 14 from the inside of the duct 14 40 are mounted.

The opening portion 32 is configured to allow the hammer 6 to be detached from the duct 14 when the hammer 6 is in an emergency, and the length of one side of the opening portion 32 should be longer than the length of the hammer 6.

The box 40 is designed to block the opening 32 in a normal state and is made of transparent acrylic resin having a size to close the opening 32. When the box 40 is mounted on the duct 14, And a wall surface parallel to the longitudinal direction of the duct 14 are formed to be open.

A head guide slit 42 having a predetermined length from one of the opened wall surfaces to the other wall surface is formed on both wall surfaces of the box 14 formed in a direction perpendicular to the longitudinal direction of the duct 14 .

The hammer 6 of the second embodiment is not mounted on the mounting bracket 18 by using the hammer fixing clip 34 and the hammer 6 is not mounted on the mounting bracket 18 when the ladder- And is fixed to the box 40 by using the head guide slit 42. [

That is, when the ladder combined hammer is mounted in the duct 14, the end of the hammer head 8 is inserted and fixed to the closed end side of the head guide slit 42.

The box rotating arm 46 is configured to rotate the box 40 at a portion spaced apart from the both ends of the box rotating shaft 44 toward the center of the box rotating shaft 44.

One end of the box rotary arm 46 is wound and fixed to the box rotary shaft 44, and the other end of the box rotary arm 46 is fixed to the box rotary shaft 44. [ And is fixed to the other open side wall surface of the box 40 parallel to the longitudinal direction of the duct 14.

A spring (48) fixed to the box rotation shaft (44) is connected to one end of the box rotation arm (46).

The box rotation arm 46 is connected to the box rotation shaft 44 and can be fixed to the duct 18 by the tension of the spring 48.

That is, the inside of the duct 18 is isolated from the inside of the bus by the box 40 mounted on the opening portion 32. Inside the duct 14, A bracket 18 is provided.

One end of the ladder 12 is fixed to the ladder fixing groove 56 of the ladder fixing part 4 when the ladder combined hammer is located inside the duct 14 and the other end of the ladder 12 is fixed Is fixed to the ladder fixing groove (56) of the hammer (6) and is wound around the hammer (6).

Both ends of the box rotation shaft 44 are inserted and fixed to the box rotation shaft fixing hole 54 formed in the rib 50 of the mounting bracket 18.

One end of the box rotation arm 46 is fixed to the box rotation shaft 44 and the other end of the box rotation arm 46 is connected to the box 40. The box rotation arms 46 are configured as a pair and are spaced apart from each other by a predetermined length in the longitudinal direction of the box rotation shaft 44.

Both ends of the ladder fixing part 4 to which the ladder 12 is fixed are seated in the ladder fixing part fixing recess 52 of the mounting bracket 18 and the hammer 6 is fixed to the ladder fixing part 52 of the mounting bracket 18, And an end portion thereof is inserted and fixed to the closed end side of the head guide slit 42.

The hammer 6 and the ladder fixing part 4 are positioned under the box rotary arm 46 when the second embodiment is mounted in the duct 14. [

The hammer combined with the ladder installed in the duct 14 can be easily identified through the box 40 made of a transparent material when a passenger inside the bus looks up the duct 14.

When the ladder-combined hammer of the second embodiment constructed as described above is in an emergency,

Pushing up the closed side of the wall side of the wall parallel to the longitudinal direction of the duct (14) in the box (40) upward;

Rotating the box (40) with the box rotation axis (44) as a rotation axis while rotating the box rotation axis (44);

Moving the head portion (8) of the hammer (6) to the open end side from the closed end side of the head guide slit (42) as the box (40) rotates;

A step of releasing the ladder 12 wound on the hammer 6 while the hammer 6 is moved to the outside of the duct 14 through the opening 32 of the duct 14;

Breaking the windshield of the bus using the head portion (8) of the hammer (6);

A step of ejecting the hammer (6) out of the window and then using a ladder (12);

.

The passenger in the emergency bus pushes the box 40 to the inside of the duct 14 so that the closed wall side of the wall surface parallel to the longitudinal direction of the duct 14 is pushed upward from the box 40 do.

The box rotation axis 44 is rotated by the pushing force of the box 40 so that the box rotation axis 44 rotates and the box 40 rotates.

As the box 40 rotates at a predetermined angle, the open wall of the box 40 parallel to the longitudinal direction of the duct 14 faces the opening 32, and thus the duct 14 ) Communicates with the inside of the bus.

The end portion of the head portion 8 of the hammer 6 positioned on the closed end side of the head guide slit 42 while the box 40 rotates is moved by its own weight to the open end portion of the head guide slit 42 And the hammer 6 completely disengaged from the head guide slit 42 by the continuous rotation of the box 40 is guided to the inside of the duct 14 from the inside of the duct 14 through the opening 32, And the ladder 12 wound on the hammer 6 is released.

The passenger hits the window of the bus using the head 8 of the hammer 6 and throws the hammer 6 out of the window to escape out of the bus using the ladder 12. [

The ladder-combined hammer according to the second embodiment of the present invention is mounted on the top of the passenger seat so that a plurality of ladder-type hammers are installed in the longitudinal direction of the duct 14 so that a plurality of passengers can be used simultaneously in an emergency.

Since the ladder-combined hammer according to the present invention is installed in a part of the bus top duct 14 of the bus close to the passenger seat, visibility can be ensured and the passenger can easily find out the emergency when the bus is overturned.

In addition, the ladder 12 and the hammer 6 are integrally formed, so that the passenger can break the windshield 6 with the hammer 6 in an emergency and escape safely out of the bus in a comparatively short time using the ladder 12.

The embodiments of the ladder-combined hammer of the present invention and the method of using the hammer of the present invention described above are merely illustrative, and those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. You will know the point. It is therefore to be understood that the invention is not limited to the form set forth in the foregoing description. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

2: window pillar
4:
6: Hammer
8:
10:
12: Ladder
14: Duct
16: Insert groove
18: Mounting bracket
20:
22:
24: Handle portion
26: cover
28: Handle hole
30:
32:
34: hammer retaining clip
36: hammer inserting portion
38: Extension
40: box
42: head guide slit
44: box rotating shaft
46: box rotating arm
48: spring
50: rib
52: ladder fixing part fixing groove
54: box rotation shaft fixing hole
56: ladder fixing groove

Claims (35)

A rod-shaped ladder fixing section;
A hammer having a bar shape and having sharp-shaped head portions at both ends;
A ladder formed of a string or string;
And a hammering joint between the ladder and the ladder. The method according to claim 1,
Wherein the ladder-combined hammer is installed in a duct located at an upper end of the bus so that the longitudinal direction of the ladder fixing part and the hammer is parallel to the longitudinal direction of the duct. 3. The method of claim 2,
Wherein one end of the ladder is fixed to the ladder fixing part, and the other end of the ladder is fixed to the hammer. The method of claim 3,
Wherein the ladder is wound on the hammer when the ladder-combined hammer is located inside the duct. 5. The method of claim 4,
And a mounting bracket for installing the ladder-combined hammer is formed in the duct. 6. The method of claim 5,
The mounting bracket includes:
A vertical portion crossing the upper and lower portions of the duct;
A horizontal portion extending from the vertical portion of the vertical portion at a predetermined height in a direction perpendicular to the vertical portion;
And a hammering joint between the ladder and the ladder. The method according to claim 6,
Wherein a quadrangular opening is formed in a lower surface of a portion of the duct where the ladder-combined hammer is installed. 8. The method of claim 7,
Wherein a hammer is provided at a portion spaced apart from the head portion of the hammer by a predetermined distance from the head portion to a center portion of the hammer so as to extend from the outer diameter portion of the hammer to the outside of the hammer. 9. The method of claim 8,
And the other end of the ladder is fixed to a portion of the hammer which is spaced from the hammer's anti-slide portion toward the center of the hammer by a predetermined distance. 10. The method of claim 9,
And a hammer fixing clip for fixing the hammer to the mounting bracket is formed on a lower surface of the horizontal part. 11. The method of claim 10,
The hammer fixing clip includes a ring-shaped hammer inserting portion whose lower side is opened at regular intervals and an extending portion which is formed by extending a certain length downward from both open ends of the hammer inserting portion and inclined at a predetermined angle in a direction away from each other Features a ladder-combined hammer. 12. The method of claim 11,
Wherein the upper end of the hammer inserting portion is in contact with the lower surface of the horizontal portion of the mounting bracket and the center axis of the hammer inserting portion is perpendicular to the horizontal portion. 13. The method of claim 12,
Wherein both ends of the ladder fixing part are fixed to the upper surface of the horizontal part when the ladder-combined hammer is located inside the duct, and both ends of the hammer are inserted into the hammer insertion part. 11. The method of claim 10,
Wherein the hammer fixing clip is sandwiched between the anti-skid portion and the head portion. 8. The method of claim 7,
Wherein the opening portion is provided with a plate-like cover which is sized to close the opening portion. 16. The method of claim 15,
Wherein the cover has a rectangular shape and a handle hole is formed at a central portion of the cover so as to penetrate the handle portion to the outside of the duct and a protrusion for fixing the cover to the duct is formed at the center of each edge of the cover Hammer with a ladder. 17. The method of claim 16,
Wherein the duct has an insertion groove formed in the periphery of the opening of the duct so as to be wedged inwardly of the lower surface of the duct, and the projecting portion of the cover is inserted and fixed. The method according to claim 1,
And a handle portion having a predetermined length in the longitudinal direction of the hammer is formed at a central portion of the hammer. 11. The method of claim 10,
Wherein the hammer fixing clip is formed of an elastic material. 8. The method of claim 7,
Wherein a rib is formed on an upper surface of the horizontal portion and a corner portion formed by the vertical portion, and the rib extends toward an end of the vertical portion and the horizontal portion. 21. The method of claim 20,
And a rotary shaft fixing hole for fixing a box rotary shaft is formed in the rib formed on the upper surface of the horizontal portion and the corner portion formed by the vertical portion. 21. The method of claim 20,
Wherein the rib formed on the upper surface of the horizontal portion is formed with a ladder fixing groove in which an end of the ladder fixing portion is fixed. 8. The method of claim 7,
Wherein the opening is provided with a box sized to close the opening. 24. The method of claim 23,
Wherein the box has a shape in which an upper surface of the box and a wall surface parallel to the longitudinal direction of the duct are open when the box is mounted on the duct in a rectangular shape. 25. The method of claim 24,
Wherein a head guide slit is formed on both wall surfaces of the box perpendicular to the longitudinal direction of the duct, the head guide slit having a predetermined length from one of the opened wall surfaces to the other wall surface. 26. The method of claim 25,
When the ladder-combined hammer is mounted in the duct,
And the end of the head portion is inserted and fixed to the closed end side of the head guide slit. 22. The method of claim 21,
And a box rotating arm for rotating the box is formed at a portion spaced apart from the both ends of the box rotating shaft by a predetermined distance from the center of the box rotating shaft. 28. The method of claim 27,
Wherein one end of the box rotating arm is wound on the box rotating shaft and the other end of the box rotating arm is fixed to the other wall surface parallel to the longitudinal direction of the duct in the box. 29. The method of claim 28,
And a spring fixed to the box rotating shaft is connected to one end of the box rotating arm. 30. The method of claim 29,
And the box is connected to the box rotation axis by the box rotation arm. 30. The method of claim 29,
And the box is fixed to the inside of the duct by the tension of the spring. 6. The method of claim 5,
Wherein the mounting bracket is installed as a pair in order to install one ladder-combined hammer. The method according to claim 1,
Wherein both ends of the ladder fixing part are bent at a certain angle toward the lower side of the duct and the bent ends are bent at a predetermined angle so that both ends of the ladder fixing part are parallel to the center part of the ladder fixing part. 34. A method of using a ladder-combined hammer according to any one of claims 1 to 33,
The handle being manually pulled toward the passenger;
Removing both ends of the hammer fixed to the hammer inserting portion from the opened lower side of the hammer inserting portion while the extended portions of the hammer fixing clip are separated from each other;
Separating the cover from the duct;
A step of releasing the ladder wound on the hammer as the hammer descends toward the passenger;
Breaking the windshield of the bus using the head portion of the hammer;
A step of throwing the hammer out of the window and then escaping using a ladder;
Wherein the hammer is used as a ladder. 34. A method of using a ladder-combined hammer according to any one of claims 1 to 33,
Pushing the closed side of the wall of the box parallel to the longitudinal direction of the duct upward;
Rotating the box with the box rotation axis being a rotation axis while the box rotation axis is rotating;
Moving the head portion of the hammer to the open end side from the closed end side of the head guide slit as the box rotates;
The hammer is moved to the outside of the duct through the opening of the duct, and the ladder wound on the hammer is loosened;
Breaking the windshield of the bus using the head portion of the hammer;
A step of throwing the hammer out of the window and then escaping using a ladder;
Wherein the hammer is used as a ladder.

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