JP3195456U - Fire extinguisher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fire extinguisher that has safety and labor saving effects and can be operated reliably. SOLUTION: A container body 1 has a storage chamber 11, an opening 12 at the top, an introduction pipe 13 at the center, and an inlet below the introduction pipe 13. The upper lid 2 can cover the upper opening 12 of the container body 1. The upper lid 2 has a handle 21 on the upper side and is provided with an inner pipe 22 communicating with the introduction pipe 13 on the lower side. A discharge passage communicating with 11 is provided. The top of the high pressure cylinder 3 is joined to the first joint 26 of the upper lid 2, and the planned opening 31 of the high pressure cylinder 3 corresponds to the intake hole. The intake control assembly 4 includes a check valve 41, a firing needle 42, a spring 43, a stopper 44, a pressing rod 45, an opening / closing lever 46, a pin 47, and a gas pressure gauge 48. Here, when the spring 43 is not compressed, the needle portion 421 of the firing needle 42 does not break through the planned opening portion 31 of the high-pressure cylinder 3. [Selection] Figure 1

Description

  The present invention relates to a fire extinguisher.

  Conventional fire extinguishers mainly contain fire-extinguishing powder in a pressure cylinder, and when in use, the fire-extinguishing powder can be ejected with high-pressure gas by pushing a valve to extinguish the fire. However, there is a defect that maintenance and filling are necessary because the pressure in the cylinder decreases with time, and when the pressure is insufficient, the gas needs to be refilled.

  In order to improve the above situation, there is currently a fire extinguisher to which a high-pressure cylinder can be externally attached. The extinguishing powder is accommodated in the container body of the fire extinguisher, and the container body is provided with a spout and an intake port. A high-pressure cylinder is externally attached to the mouth, a shooting needle and a button are provided at a position corresponding to the high-pressure cylinder, and a protective cover that can be opened and closed is provided above the button so that the button can be covered when the protective cover is closed. , Can prevent accidental contact with the button. In use, when the protective cover is opened and the button is pressed, the firing pin moves and punctures the planned opening of the high-pressure cylinder, introducing the gas from the high-pressure cylinder into the container body and discharging the fire-extinguishing powder in the container body from the spout Can be fire extinguished.

  However, when using the above device, it is necessary to puncture a high-pressure cylinder with a shooter by pushing with force, so that force is required and it may be difficult for users who cannot apply force. In addition, since the protective cover can be easily opened by a person other than the user, erroneous contact due to exposure of the button may occur.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a fire extinguisher that has safety and labor saving effects and can be reliably operated.

  The fire extinguisher of the present invention includes a container body, an upper lid, a high-pressure cylinder, and an intake control assembly. The container body has a storage chamber for storing the fire-extinguishing powder, has an opening at the top, is provided with an introduction pipe in the center, and has an inlet below the introduction pipe. The upper lid can cover the upper opening of the container body, has a handle on the upper side, is provided with an inner pipe communicating with the introduction pipe below, and is provided with a discharge passage communicating with the inner pipe and the storage chamber It has been. The discharge passage is connected to a discharge pipe. The discharge pipe is provided with a valve. The upper lid is provided with an intake passage that communicates with the storage chamber of the container main body, and is provided with a first joint, and the first joint is provided with an intake hole that communicates with the intake passage. An opening is provided at one end, and a second joint is provided. The second joint portion has two side walls that are parallel to each other, has a bottom wall below, and a through hole is provided at a position corresponding to the intake hole of the bottom wall. A rotation shaft support hole is provided at a position inside the two side walls, and a pin hole is provided at an outer position. The top of the high pressure cylinder is joined to the first joint of the upper lid, and the planned opening of the high pressure cylinder corresponds to the intake hole. The intake control assembly includes a check valve, a firing needle, a spring, a stopper, a pressing rod, an opening / closing lever, a pin, and a gas pressure gauge. The check valve is provided at an inner position of the intake passage of the upper lid, and can prevent gas backflow in the intake passage. The hitting needle is provided at a position of the through hole between the suction hole and the second joint portion, and has a needle portion capable of breaking through a predetermined opening of the high-pressure cylinder at the bottom. The needle part is formed with a gas groove recessed inward on the side edge part, and a support part protruding from above the through hole is provided at the top part. The bottom of the spring is located on the bottom wall of the second joint, and the top is in contact with the stopper. A through-hole through which a shooting needle can be inserted is formed in the center of the stopper. Further, when the spring is not compressed, the needle portion of the firing pin does not pierce the planned opening of the high pressure cylinder. The pressing rod is rotatably supported by the rotation shaft support hole of the second joint portion, has a rod portion, and a pressing portion that can come into contact with the support portion of the firing needle is provided on the outer edge portion of the rod portion. In addition, a circular arc side used for the pressing portion to press and move against the firing needle is provided on the outer edge portion of the pressing portion. The open / close lever has a grip portion. The grip portion is provided outside the upper lid, and both sides of the grip portion extend inward. The side part is joined so as to be interlocked with the pressing bar. There is a gap between the grip portion and the bar portion of the pressing rod. The pin can be inserted through the pin hole, and the operation of the opening / closing lever can be restricted. The gas pressure gauge is provided at the position of the outer opening of the intake passage and can be in close contact with the opening.

  Thereby, the container main body of the present invention can accommodate the fire extinguishing powder, and when the opening / closing lever is not pulled, the needle portion of the firing pin does not break through the planned opening of the high-pressure cylinder. Further, even when the opening / closing lever is pulled carelessly when the pin is not removed, it is possible to prevent the opening / closing lever from moving because the two sides of the opening / closing lever abut against the pin. Further, the hitting needle does not move and puncture the planned opening of the high-pressure cylinder. At this time, the pressure of the gas pressure gauge is zero.

  Next, when the user removes the pin, the open / close lever moves to rotate the pressing rod, the pressing portion of the pressing rod presses against the support portion of the firing needle, and the firing needle moves to the high pressure cylinder. Break through the planned opening. The movement can be performed by urging the pressing bar toward the firing needle with a small force from the position of the grip portion on the side far from the firing needle. Therefore, there is a labor saving effect, and the user can smoothly break through the high pressure cylinder. Further, when the open / close lever is opened, it can return to its original position by the bias of the spring elastic force. The high pressure gas in the high pressure cylinder can enter the check valve of the intake passage and the storage chamber of the container body. The configuration of the gas groove in the needle part is such that when the needle part punctures the high-pressure cylinder, the gas can be guided along the gas groove to the intake passage, Gas is released. Therefore, implementation reliability can be ensured. At this time, the pressure in the container body can be confirmed by observing a gas pressure gauge from the outside. The high pressure gas can be extinguished by guiding the fire extinguishing powder in the container body through the introduction pipe, the inner pipe, and the discharge pipe and ejecting the powder. The handle of the present invention is provided at a position corresponding to the center of gravity of the fire extinguisher above the upper lid, and is convenient for extinguishing a fire with a hand. Moreover, the effect of safety and labor saving of operation can be acquired by the preferable reliable operation | movement of this invention.

It is a disassembled perspective view which shows the fire extinguisher by one Embodiment of this invention. It is a perspective view which shows the fire extinguisher by one Embodiment of this invention. It is a perspective view which shows the fire extinguisher by one Embodiment of this invention. It is sectional drawing which shows the state by which the opening / closing lever of the fire extinguisher by one Embodiment of this invention is not pulled. It is principal part sectional drawing which shows the state by which the opening / closing lever of the fire extinguisher by one Embodiment of this invention is not pulled. It is principal part sectional drawing which shows the state by which the opening / closing lever of the fire extinguisher by one Embodiment of this invention was pulled. It is sectional drawing which shows the state from which the opening-and-closing lever of the fire extinguisher by one Embodiment of this invention was pulled, and the powder for fire extinguishing spouted.

(One embodiment)
This will be described with reference to FIGS. The fire extinguisher of the present invention includes a container body 1, an upper lid 2, a high-pressure cylinder 3, and an intake control assembly 4. The container body 1 includes a storage chamber 11 for storing the fire-extinguishing powder 5, an upper portion has an opening 12, an introduction pipe 13 is provided at the center, and an inlet 131 is provided below the introduction pipe 13. Further, a pedestal 14 is provided below the container body 1, and a joining groove 141 is provided on the pedestal 14.

  The upper lid 2 can cover the upper opening 12 of the container main body 1. The upper lid 2 includes a handle 21 at the upper side, an inner pipe 22 communicating with the introduction pipe 13 at the lower side, and the inner pipe 22 and the storage chamber 11. A discharge passage 23 is provided, the discharge passage 23 includes a discharge port 231, a discharge pipe 24 is connected to the discharge port 231, a valve 241 is provided in the discharge pipe 24, and the discharge pipe 24 is unused. The end portion can be placed in the joining groove 141, and an intake passage 25 communicating with the storage chamber 11 of the container body 1 is provided in the horizontal direction corresponding to the container body 1 of the upper lid 2, and corresponds to the intake passage 25. Thus, the first joint portion 26 is provided downward in the vertical direction, an intake hole 261 communicating with the intake passage 25 is provided in the first joint portion 26, and an opening portion 251 is provided at one end of the intake passage 25. A second joint 27 is provided at an upper position corresponding to the suction hole 261, and the second joint 27 includes two parallel side walls 271, a bottom has a bottom wall 272, and an intake of the bottom wall 272 A through hole 273 is provided at a position corresponding to the hole 261, an annular groove 274 is provided on the outer periphery of the through hole 273, and a rotating shaft support hole 275 is provided at a position near the inside of the container body 1 of the two side walls 271. A pin hole 276 is provided at a position away from the outside of the container body 1, and a drainage groove 277 is provided in front of the bottom wall 272 so that the water accumulated in the second joint portion 27 can be discharged from the drainage groove 277.

  The top portion of the high pressure cylinder 3 is joined to the first joint portion 26 of the upper lid 2, the planned opening portion 31 corresponds to the position of the intake hole 261, and the cylinder protection cover 32 is provided below the high pressure cylinder 3.

  The intake control assembly 4 includes a check valve 41, a firing needle 42, a spring 43, a stopper 44, a pressing rod 45, an opening / closing lever 46, a pin 47, a gas pressure gauge 48, and a dust cover 49. The check valve 41 is provided at an inner position of the intake passage 25 of the upper lid 2 and can prevent a backflow of gas in the intake passage 25. The check valve 41 includes a hard main body 411, and a soft body outside the main body 411. A sleeve tube 412 is fitted, an intake port 413 is provided in the axial direction of the main body 411, an exhaust port 414 is provided on the side of the rear end, and an air flow is introduced from the intake port 413 through the exhaust port 414. Thus, the sleeve tube 412 is expanded and led out, and the reverse air flow can prevent the air flow from entering the exhaust port 414 from the reverse direction by fitting the sleeve tube 412 to the exhaust port 414. The firing needle 42 is provided at the position of the suction hole 261 and the through hole 273 of the second joint portion 27, and includes a needle portion 421 that can pierce the planned opening 31 of the high-pressure cylinder 3 at the bottom, and the through hole 273 at the top. A support portion 422 that protrudes from above is provided, and a gas groove 423 that is recessed inward is provided at a side edge portion of the needle portion 421. The spring 43 is provided with a through hole 441 in which the bottom of the spring 43 is provided at the position of the annular groove 274 of the bottom wall 272 of the second joint 27, the top abuts against the stopper 44, and the firing needle 42 can be inserted through the center of the stopper 44. Further, since the hole diameter of the through-hole 441 is smaller than the width of the support portion 422 of the firing needle 42, the spring 43 can be biased against the stopper 44 and the firing needle 42. If the spring 43 is not compressed, the needle portion 421 of the firing needle 42 has a high pressure. The planned opening 31 of the cylinder 3 is not punctured. Further, the pressing bar 45 includes two end caps 451 respectively provided at positions outside the rotation shaft support hole 275 of the two side walls 271 of the second joint portion 27, and the two end caps 451 are provided with a joining groove 452. In addition, a rod portion 453 is provided between the two end caps 451, and both ends of the rod portion 453 are inserted into the rotation shaft support holes 275 of the two side walls 271, and assembled together with the two end caps 451. The pressing rod 45 can be pivoted on the second joint portion 27, and a pressing portion 454 that can contact the support portion 422 of the firing needle 42 is provided on the outer edge of the rod portion 453, and the pressing portion A circular arc side 455 is provided on the outer edge of 454 so that the pressing portion 454 is pressed against the firing needle 42 and moved. The opening / closing lever 46 includes a grip portion 461 provided on the outer side of the upper lid, both sides of the grip portion 461 extend inward, and side portions 462 are provided to connect the joining grooves 452 of the two end caps 451 of the pressing rod 45 and They are joined and the two sides 462 are normally in a lower position corresponding to the pin hole 276. The pin 47 can be inserted through the pin hole 276, and the pin 47 can be positioned above the two side portions 462 of the opening / closing lever 46 and the operation of the opening / closing lever 46 can be restricted. A gas pressure gauge 48 is provided at the position of the opening 251 outside the intake passage 25 and can be in close contact with the opening 251. The dustproof cover 49 is made of a soft material and is an annular body provided between the stopper 44 and the bottom wall 272 so as to cover the spring 43 and prevent the dust from adhering to the spring 43. After that, it can be ensured that it can operate smoothly.

  The container main body 1 of the present invention can accommodate the fire-extinguishing powder 5 and when the open / close lever 46 is not pulled, the hammer 42 is urged by the spring 43 and the needle 421 pierces the planned opening 31 of the high-pressure cylinder 3. do not do. Further, even if the opening / closing lever 46 is inadvertently pulled when the pin 47 is not removed, the movement of the opening / closing lever 46 can be prevented by the two side portions 462 of the opening / closing lever 46 coming into contact with the pin 47, and the firing needle 42 is moved downward. It is possible to ensure that the planned opening 31 of the high-pressure cylinder 3 is not pierced and the pressure of the gas pressure gauge 48 is zero.

  This will be described with reference to FIG. When the user removes the pin 47 shown in FIG. 3, the opening / closing lever 46 moves to rotate the pressing rod 45, and the pressing portion 454 of the pressing rod 45 is pressed against the support portion 422 of the firing needle 42. The firing needle 42 is moved downward, and the needle portion 421 of the firing needle 42 can pierce the planned opening 31 of the high-pressure cylinder 3 and the high-pressure gas can be led out from the gas groove 423. A little force can be applied from the position of the grip portion 461 corresponding to the far side, and the pressing bar 45 can be urged and moved by the firing needle 42. This has a labor saving effect based on this principle, and the user can smoothly move the high pressure cylinder 3 When the opening / closing lever 46 is moved, the firing pin 42 can be moved in the opposite direction by the biasing force of the spring 43 to return its position. As shown in FIGS. 6 and 7, the high-pressure gas in the high-pressure cylinder 3 can enter the check valve 41 in the intake passage 25 and the accommodating chamber 11 in the container body 1. In the present invention, the configuration of the gas groove 423 allows the high-pressure gas to enter the intake passage 25 regardless of whether or not the firing needle 42 returns to the position as shown in FIG. At this time, the pressure in the container body 1 can be confirmed by observing the gas pressure gauge 48 from the outside. The high-pressure gas can be extinguished by guiding the fire-extinguishing powder 5 in the container body 1 through the introduction pipe 13, the inner pipe 22, and the discharge pipe 24 to be ejected. In addition, the handle 21 of the present invention is provided at a position corresponding to the center of gravity of the fire extinguisher above the upper lid 2 and is convenient to hold by hand and extinguishes fire. It is possible to have an effect of making.

  Further, when the upper lid 2 and the container body 1 after use of the present invention are separated, the fire-extinguishing powder 5 can be filled again, and when another high-pressure cylinder 3 is reset at the first joint portion 26, the fire extinguisher is repeatedly used. In addition, since a general user can easily remove and install without using a special tool, it has a favorable reuse effect.

  Therefore, as described above, the present invention has a certain effect of preferable safety and labor saving of operation, and the present invention can employ each type of check valve. The above embodiment is merely an example of the present invention, and is not limited by this example. It goes without saying that various improvements and modifications made based on the spirit of the present invention are included in the protection scope of the present invention.

1: container body,
11: Containment room
12: opening,
13: introduction pipe,
131: Entrance,
14: Pedestal
141: joining groove,
2: Upper lid,
21: Handle,
22: Inner pipe,
23: discharge passage,
231: discharge port,
24: discharge pipe,
241: valve,
25: intake passage,
251: opening,
26: 1st junction part,
261: intake hole,
27: second joint,
271: side wall,
272: bottom wall,
273: through hole,
274: annular groove,
275: Rotating shaft support hole,
276: Pin hole,
277: drainage ditch,
3: High-pressure cylinder
31: Planned opening,
32: cylinder protective cover,
4: Intake control assembly,
41: Check valve,
411: body,
412: Sleeve tube,
413: Inlet,
414: exhaust port,
42: firing pin,
421: needle portion,
422: support part,
423: gas groove,
43: Spring,
44: Stopper,
441: Through hole,
45: Pushing bar,
451: end cap,
452: Joining groove,
453: Bar part
454: pressing part,
455: Arc side,
46: Open / close lever,
461: grip part,
462: side,
47: Pin,
48: Gas pressure gauge,
49: dust-proof cover,
5: Powder for fire extinguishing.

Claims (10)

A container body having a storage chamber for storing fire-extinguishing powder and having an opening at one end;
Covering the opening of the container body, a rotation shaft support hole, a pin hole, and a discharge passage and an intake passage communicating with the storage chamber of the container body are formed, and the first joint and the second joint An upper lid in which an air inlet hole communicating with the air intake passage is formed in the first joint portion, and a through hole is formed in a position corresponding to the air inlet hole in the second joint portion; ,
A high-pressure cylinder in which a top portion is joined to the first joint portion of the upper lid, and a planned opening corresponding to the intake hole is formed;
An intake control assembly having a check valve, a firing needle, a spring, a pressing rod, an opening / closing lever, and a pin;
The check valve is provided in the intake passage of the upper lid, and can prevent backflow of gas in the intake passage.
The firing pin is provided in the intake hole and the through hole of the second joint portion, and a needle portion capable of breaking through the predetermined opening of the high-pressure cylinder is provided at one end, and at the other end. A support part protruding from above the through hole is provided;
The spring can be biased to the firing needle, and has a biasing force that allows the needle portion of the firing needle to break through the planned opening of the high-pressure cylinder,
The pressing rod has a rod portion rotatably provided in the rotation shaft support hole of the second joint portion, and the pressing portion capable of contacting the support portion of the firing needle on the rod portion Is convex,
The open / close lever includes a grip portion provided outside the upper lid, and a side portion extending from the grip portion and joined to the pressing rod so as to be interlocked with the grip portion. Having an interval between the rod portion of the rod,
The pin can be inserted through the pin hole, the operation of the opening and closing lever can be limited,
When the pin is removed, by moving the open / close lever by the grip portion, the pressing rod rotates, and when the pressing portion presses the firing needle, the firing needle moves and the high pressure cylinder A fire extinguisher characterized by being able to break through a planned opening. The intake passage of the upper lid is formed along a direction orthogonal to the central axis of the container body,
The first joint is provided on the lower side in a direction perpendicular to the intake passage,
The second joint is provided above the intake hole, has two parallel side walls and a bottom wall, and the through hole is formed in the bottom wall,
The rotation shaft support hole is formed at an inner position that is a position on the container body side of the two side walls of the upper lid,
2. The fire extinguisher according to claim 1, wherein the pin hole is formed at an outer position which is a position away from the container main body of two side walls of the upper lid. The outer edge of the pressing portion of the pressing bar has an arc side,
The fire extinguisher according to claim 2, wherein the needle portion of the firing needle is formed with a gas groove recessed inward at a side edge portion. The intake control assembly further includes a stopper;
One end of the spring is located on the bottom wall of the second joint, and the other end is in contact with the stopper,
The stopper has a through-hole through which the firing pin can be inserted in the center,
The through hole is formed so that the hole diameter is smaller than the width of the support portion of the firing pin,
The said spring can be urged | biased by the said stopper and the said shooter, and when not compressed, the said needle part of the said shooter does not pierce the said scheduled opening part of the said high pressure cylinder, The Claim 2 or The fire extinguisher according to 3. The pressing rod has two end caps located outside the rotation shaft support hole of the two side walls of the second joint portion, and a joining groove is formed in the two end caps,
The bar portion of the pressing bar can be assembled so that both ends are inserted into the rotation shaft support holes of the two side walls and interlocked with the two end caps.
The opening / closing lever has two side portions extending inward from both sides of the grip portion,
The two side portions are respectively joined to the joining grooves of the two end caps of the pressing rod, and are usually located below the pin hole, and the pin is located above the opening / closing lever. The fire extinguisher according to claim 2 or 3, characterized in. The intake passage is provided with an opening at one end,
The intake control assembly further comprises a gas pressure gauge;
The fire extinguisher according to claim 5, wherein the gas pressure gauge is provided at the opening of the intake passage and can be in close contact with the opening of the intake passage. The container body is provided with an introduction pipe at the center of the storage chamber, and an inlet is formed below the introduction pipe,
The upper lid is provided with an inner pipe communicating with the introduction pipe on the lower side, the discharge passage is in communication with the inner pipe and the storage chamber, has a discharge port, and the discharge pipe is connected to the discharge port. The fire extinguisher according to claim 5, wherein the fire extinguisher is connected and a valve is provided in the discharge pipe.   The fire extinguisher according to claim 2 or 3, wherein a handle is provided on the upper lid.   The fire extinguisher according to claim 2 or 3, wherein a drainage groove is provided in front of the bottom wall of the second joint portion.   5. The dust cover according to claim 4, further comprising a dust cover that is made of a soft material, is annular, is provided between the stopper and the bottom wall, and can cover the spring. The listed fire extinguisher.

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