Fire extinguisher valve body and cylinder
A cartridge-operated fire extinguisher 100 that includes a valve body 104 and a cylinder 102 . The valve body ( 104 ) includes three fixing points 300, 302, 304 each including an aperture 300 a, 302 a, 304 a with a fixing point axis A, B, C. The third fixing point axis C is oriented at an angle relative to the first fixing point axis A and the second fixing point axis B. The cylinder includes three bolts 210, 212, 214 for fixing the valve body to the cylinder. Each bolt includes a shaft 210 a, 212 a, 214 a with a shaft axis X, Y, Z. The first shaft axis X and the second shaft axis Y are parallel, and the third shaft axis Z is oriented at an angle relative to the first shaft axis X and the second shaft axis Y.
1 . A valve body ( 104 ) for a cartridge-operated fire extinguisher, the valve body comprising:
a first fixing point ( 300 ) comprising a first aperture ( 300 a ) for receiving a first shaft of a first bolt, wherein the first aperture has a first fixing point axis (A);
a second fixing point ( 302 ) comprising a second aperture ( 302 a ) for receiving a second shaft of a second bolt, wherein the second aperture has a second fixing point axis (B); and
a third fixing point ( 304 ) comprising a third aperture ( 304 a ) for receiving a third shaft of a third bolt, wherein the third aperture has a third fixing point axis (C),
wherein the first fixing point axis (A) and the second fixing point axis (B) are parallel, and
wherein the third fixing point axis (C) is oriented at an angle relative to the first fixing point axis (A) and the second fixing point axis (B);
wherein the third fixing point axis (C) is oriented at an angle of between 10° to 50° relative to the first fixing point axis (A) and the second fixing point
wherein the valve body ( 104 ) comprises a core ( 306 ), and wherein the first fixing point ( 300 ), second fixing point ( 302 ), and third fixing point ( 304 ) each protrude radially outward from the core ( 306 ); and
wherein the first fixing point ( 300 ), second fixing point ( 302 ), and third fixing point ( 304 ) are equally spaced from one another around a perimeter of the core ( 306 ).
2 . The valve body of claim 1 , wherein the first aperture ( 300 a ), the second aperture ( 302 a ), and the third aperture ( 304 a ) are non-threaded.
3 . The valve body according to claim 1 , wherein the valve body ( 104 ) is made of plastic.
4 . The valve body according to claim 1 , wherein the first aperture ( 300 a ) is a hole, the second aperture ( 302 a ) is a hole, and the third aperture ( 304 a ) is a slot.
5 . The valve body of claim 1 , wherein the first fixing point ( 300 ), second fixing point ( 302 ), and third fixing point ( 304 ) are each integrally formed with the core ( 306 ).
6 . The valve body of claim 1 , wherein the core ( 306 ) comprises an embossed portion for interfacing with a cylinder of the cartridge-operated fire extinguisher.
7 . A cartridge-operated fire extinguisher ( 100 ) comprising the valve body ( 104 ) according to claim 1 .
8 . A method of assembling the cartridge-operated fire extinguisher ( 100 ) according to claim 7 , the method comprising:
mounting the valve body ( 104 ) on the cylinder ( 102 ), wherein the first shaft( 210 a ) of the first bolt ( 210 ) of the cylinder passes through the first aperture ( 300 a ) of the valve body, the second shaft ( 212 a ) of the second bolt ( 212 ) of the cylinder ( 102 ) passes through the second aperture ( 302 a ) of the valve body, and the third shaft ( 214 a ) of the third bolt ( 214 ) of the cylinder passes through the third aperture ( 304 a ) of the valve body, and
securing the valve body ( 104 ) to the cylinder ( 102 ).
9 . The method according to claim 8 , wherein the valve body ( 104 ) is secured to the cylinder ( 102 ) using nuts ( 350 ).
10 . The cartridge-operated fire extinguisher ( 100 ) of claim 7 , comprising a cylinder, wherein the cylinder comprises:
the first bolt ( 210 ) having the first shaft ( 210 a ), wherein the first shaft comprises a first shaft axis (X);
the second bolt ( 212 ) having the second shaft ( 212 a ), wherein the second shaft comprises a second shaft axis (Y); and
the third bolt ( 214 ) having the third shaft ( 214 a ), wherein the third shaft comprises a third shaft axis (Z),
wherein the first bolt, the second bolt, and the third bolt are for fixing the valve body ( 104 ) to the cylinder,
wherein the first shaft axis (X) and the second shaft axis (Y) are parallel, and
wherein the third shaft axis (Z) is oriented at an angle relative to the first shaft axis (X) and the second shaft axis (Y).
11 . The cartridge-operated fire extinguisher ( 100 ) of claim 10 , wherein the first shaft ( 210 a ), the second shaft ( 212 a ), and the third shaft ( 214 a ) all have a same diameter.
12 . The cartridge-operated fire extinguisher ( 100 ) of claim 10 , wherein the cylinder ( 102 ) has a longitudinal axis (L), and wherein an angular separation between the first bolt ( 210 ) and the second bolt ( 212 ) is 120° around the longitudinal axis, an angular separation between the first bolt ( 210 ) and the third bolt ( 214 ) is 120° around the longitudinal axis, and an angular separation between the second bolt ( 212 ) and the third bolt ( 214 ) is 120° around the longitudinal axis.
13 . The cartridge-operated fire extinguisher ( 100 ) of claim 10 , wherein the first bolt, the second bolt, and the third bolt ( 210 , 212 , 214 ) are welded to the cylinder ( 102 ).