Abstract
A small fire extinguisher equipped with a rotary knob includes: a body part storing loaded stream; a nozzle part that is attached to the top of the body part and includes a valve at the inner center where compressed the loaded stream is sprayed, and a key insertion part where an L-shaped lock key is inserted or removed; a button part that is inserted and attached to the top of the nozzle part to open and close the valve with the button vertically entering in and coming out of the nozzle part; a plate rotary knob that is attached to one side of the nozzle part, covers up one end of the nozzle part, contacts the top of the button part, and is attached with a lock key; and a lock key which is attached to the plate rotary knob and stops or rotates the plate rotary knob.
Claims
1. A small fire extinguisher equipped with a rotary knob that is installed inside a vehicle, house or office, comprising: a body part (100) which loads high-pressure extinguishing liquid; a nozzle part (200) which is attached to a top of the body part that exhausts extinguishing liquid by opening and closing a valve; an L-shaped and round plate rotary knob (300) which is attached to the nozzle part (200) and opens and closes the valve inside the nozzle part by operating a button part (500); and a locking part (400) which is attached to a top of one side of the L-shaped and round plate rotary knob that makes a lock key removed from a key insertion part and stay away on one side by rotating the rotary knob (420) clockwise or counterclockwise.
2. The small fire extinguisher of claim 1, further comprising a pressure gauge (700) that displays current pressure of extinguishing liquid inside the body part.
3. The small fire extinguisher of claim 1, wherein the L-shaped and round plate rotary knob (300) is a round-shaped plate that rotates using the fixing pin (320) installed on the nozzle part as the axis, covers up one end of the nozzle part, and contacts the top of the button part.
4. The small fire extinguisher of claim 1, wherein the locking part (400) includes a key handle (420) to rotate the lock key and an L-shaped key (440) attached to the key handle.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
[0007] FIG. 1 is a block diagram of the manual switch for a conventional gas hydrant.
[0008] FIG. 2 is a perspective block diagram of the small fire extinguisher of this invention equipped with a rotary knob.
[0009] FIG. 3 is a perspective block diagram of the small fire extinguisher of this invention equipped with a rotary knob viewed on another angle.
[0010] FIG. 4 is an exploded block diagram of the small fire extinguisher of this invention equipped with a rotary knob.
[0011] FIG. 5 is a state diagram of the lock key of this invention inserted into the key insertion part.
[0012] FIG. 6 is a state diagram of the lock key of this invention removed from the key insertion part.
[0013] FIG. 7 is a locking state diagram of the 2nd embodiment for the small fire extinguisher of this invention equipped with a rotary knob at the top.
[0014] FIG. 8 is an unlocking state diagram of the 2nd embodiment for the small fire extinguisher of this invention equipped with a rotary knob at the top.
[0015] FIG. 9 is a nozzle open state diagram of the 2nd embodiment for the small fire extinguisher of this invention equipped with a rotary knob at the top.
[0016] FIG. 10 is an exploded perspective diagram of the 2nd embodiment for small fire extinguisher of this invention equipped with a rotary knob at the top.
DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] The small fire extinguisher of this invention equipped with a rotary knob with the purpose above can be described using FIGS. 2 through 10 as below.
[0018] FIG. 2 is a perspective block diagram of the small fire extinguisher of this invention equipped with a rotary knob. In FIG. 2, the small fire extinguisher of this invention equipped with a rotary knob is comprised of a body part (10) that loads high-pressure loaded stream, a nozzle part (20) attached to the top of the body part, a plate rotary knob (30) attached to the nozzle part, and a pressure gauge (70) attached to the nozzle part that displays current pressure of loaded stream filled inside the body part.
[0019] FIG. 3 is a perspective block diagram of the small fire extinguisher of this invention equipped with a rotary knob viewed on another angle. In FIG. 3, the small fire extinguisher of this invention equipped with a rotary knob is comprised of a body part (10) that loads high-pressure loaded stream, a nozzle part (20) attached to the top of the body part that allows loaded stream to be sprayed by opening and closing a valve, a plate rotary knob (30) attached to the nozzle part that opens and closes the valve inside the nozzle part by operating a button part, and a lock key (40) attached to the plate rotary knob.
[0020] FIG. 4 is an exploded block diagram of the small fire extinguisher of this invention equipped with a rotary knob. In FIG. 4, the small fire extinguisher of this invention equipped with a rotary knob is comprised of a body part (10) that stores loaded stream sprayed during fire, a nozzle part (20) that is attached to the top of the body part, has a valve at the inner center where compressed loaded stream is sprayed through an opening part on one side by pressing a button part, and is comprised of a key insertion part (22) where an L-shaped lock key can be inserted or removed on the other side of a round-shaped plate rotary knob attached to one side, a button part (50) that is inserted and attached to the top of the nozzle part so as to open and close the valve with the button (52) vertically entering in and coming out of the nozzle part according to rotation of the plate rotary knob, a plate rotary knob (30) of round cover shape that is attached to one side of the nozzle part by a fixing pin (32), covers up one end of the nozzle part at a fixed distance, contacts the top of the button part, and is attached with a lock key (40) on the other side that controls rotation of the plate rotary knob, and a lock key (40) attached to the plate rotary knob that stops or rotates the plate rotary knob by inserting or removing a key (44) into or from the nozzle part as a key handle (42) is turned clockwise or counterclockwise. The small fire extinguisher of this invention equipped with a rotary knob comprised of the exhausts loaded stream in the body part (10) through the nozzle by opening the valve inside the nozzle part when the lock key (40) is rotated to detach the key from the key insertion part (22), the plate rotary knob (30) is rotated to one side and presses the button (52) on the button part (50), and the button is inserted into the nozzle part (20).
[0021] FIG. 5 is a state diagram of the lock key of this invention inserted into the key insertion part. In FIG. 5, the nozzle part (20) is comprised of the key insertion part (22) and the key (44) of the lock key (40) installed on the plate rotary knob (30) is normally inserted into the key insertion part (22) to fix the plate rotary knob (30) so as to prevent rotation. To use the fire extinguisher in case of fire, the plate rotary knob (30) can be rotated by rotating the lock key (40) to one side as the key (44) is detached from the key insertion part (22) of the nozzle part. When the plate rotary knob (30) is rotated as described above, the plate rotary knob (30) presses the button on the button part (50) at the top of the nozzle part to exhaust loaded stream.
[0022] FIG. 6 is a state diagram of the lock key of this invention removed from the key insertion part. In FIG. 6, the plate rotary knob (30) can rotate to one side because the key (44) of the lock key (40) has been detached from the key insertion part (22) that comprises the nozzle part (20) by rotating the key handle (42) of the lock key (40) installed on the plate rotary knob to one side. When the plate rotary knob (30) is rotated to one side, the bottom surface of the plate rotary knob (30) lowers the button by pressing the button (52) on the button part (50) comprised at the top of the nozzle part. When the button is lowered, the valve inside the nozzle part (20) opens to exhaust loaded stream inside the body part (10) to outside through the valve and nozzle (26). Also, the plate rotary knob can be made of a variety of materials including reinforced plastics and aluminum. The drawing also shows that color of the body part can be varied according to preference of the user.
[0023] FIG. 7 is a locking state diagram of the 2nd embodiment for the small fire extinguisher of this invention equipped with a rotary knob at the top. In FIG. 7, the 2nd embodiment for the small fire extinguisher of this invention equipped with a rotary knob at the top is comprised of a body part (100) that loads high-pressure extinguishing liquid, a nozzle part (200) attached to the top of the body part, an L-shaped and round plate rotary knob (300) attached to the nozzle part, a locking part (400) comprised at the top of the L-shaped and round plate rotary knob that controls rotation of the plate rotary knob by inserting or removing an L-shaped key into or from the insertion end of the lock key on the nozzle part, and a pressure gauge (700) attached to one side of the nozzle part that displays pressure of extinguishing liquid inside the body part.
[0024] FIG. 8 is an unlocking state diagram of the 2nd embodiment for the small fire extinguisher of this invention equipped with a rotary knob at the top. In FIG. 8, the 2nd embodiment of the small fire extinguisher of this invention equipped with a rotary knob at the top is comprised of a body part (100) that loads high-pressure extinguishing liquid, a nozzle part (200) attached to the top of the body part that sprays extinguishing liquid by opening and closing a valve, an L-shaped and round plate rotary knob (300) attached to the nozzle part (200) that opens and closes the valve inside the nozzle part by operating a button part (500), and a locking part (400) attached to the top of the L-shaped and round plate rotary knob that makes a lock key to be removed from the key insertion part and stay away on one side by rotating the rotary knob (420) clockwise or counterclockwise.
[0025] FIG. 9 is a nozzle open state diagram of the 2nd embodiment for the small fire extinguisher of this invention equipped with a rotary knob at the top. In FIG. 9, the 2nd embodiment of the small fire extinguisher of this invention equipped with a rotary knob at the top is comprised of a body part (100) that stores extinguishing liquid sprayed during fire, a nozzle part (200) that is attached to the top of the body part, has a valve at the inner center where compressed extinguishing liquid is sprayed through an opening part on one side by pressing a button part, and is comprised of a key insertion part (220) where an L-shaped key of a lock key can be inserted or removed on the other side of an L-shaped and round plate rotary knob attached to one side by a fixing pin (320), a button part (500) inserted and attached to the top of the nozzle part (200) so as to open and close the entry path of extinguishing liquid through the valve inside the nozzle part with the button (520) vertically entering in and coming out of the nozzle part according to rotation of the L-shaped and round plate rotary knob, an L-shaped and round plate rotary knob (300) that is attached to one side of the nozzle part (200) by a fixing pin (320), covers up one end of the nozzle part, contacts the top of the button part, and is attached with a locking part (400) at the top of the other side that controls rotation of the L-shaped and round plate rotary knob, and a locking part (400) attached to the top of the L-shaped and round plate rotary knob that stops or rotates the L-shaped and round plate rotary knob by inserting or removing a key (440) into or from the nozzle part as a key handle (420) is turned clockwise or counterclockwise. The small fire extinguisher of this invention equipped with a rotary knob at the top comprised of the exhausts extinguishing liquid in the body part (100) through the nozzle by opening the valve inside the nozzle part (200) when the lock key on the locking part (400) is rotated clockwise or counterclockwise to detach the key from the key insertion part (220), the L-shaped and round plate rotary knob (300) is rotated from top to bottom around the fixing pin (320), and the button (520) on the button part (500) is inserted into the nozzle part (200).
[0026] FIG. 10 is an exploded perspective diagram of the 2nd embodiment for small fire extinguisher of this invention equipped with a rotary knob at the top. In FIG. 10, the nozzle part (200) is comprised of the key insertion part (220) and the key (440) on the locking part (400) installed on the L-shaped and round plate rotary knob (300) is normally inserted into the key insertion part (220) to fix the L-shaped and round plate rotary knob (300) so as to prevent rotation. To use the fire extinguisher in case of fire, the plate rotary knob (300) can be rotated using the fixing pin (320) as the axis by rotating the rotary knob (420) on the locking part (400) clockwise or counterclockwise as the key (440) is detached from the key insertion part (220) of the nozzle part (200). When the L-shaped and round plate rotary knob (300) is rotated using the fixing pin (320) as the axis as described above, the L-shaped and round plate rotary knob (300) presses the button on the button part (500) at the top of the nozzle part. The button that moves vertically opens the valve inside the nozzle part, lifting one side of the L-shaped and round plate rotary knob (300) to exhaust extinguishing liquid to the front through the nozzle.
INDUSTRIAL APPLICABILITY
[0027] The small fire extinguisher equipped with a rotary knob comprised of the above is small and convenient to use. It is appropriate for mobile places such as vehicles and can be furnished and used in partitioned places in offices and at home. This small fire extinguisher can be used effectively at actual fire scenes as it can be used easily by weak persons such as children and elders.