A pressure regulator housing assembly includes a lower housing and an upper housing; a plunger and diaphragm assembly supported within the lower and upper housings, the plunger movable toward and away from a valve seat. The diaphragm has a radially inner edge fixed to one end of the plunger and a ra
A pressure regulator housing assembly includes a lower housing and an upper housing; a plunger and diaphragm assembly supported within the lower and upper housings, the plunger movable toward and away from a valve seat. The diaphragm has a radially inner edge fixed to one end of the plunger and a radially outer edge clamped between an annular surface within said upper housing and a surface of a clamp ring locked against rotation relative to said upper housing thereby isolating said diaphragm from any contact with the lower housing. Upon assembly of the upper and lower housings requiring relative rotation therebetween, an upper edge of the lower housing is engaged by a lower surface of the clamp ring.
대표청구항▼
1. A pressure regulator housing assembly comprising: a lower housing and an upper housing;a plunger and diaphragm assembly supported within the lower and upper housings, said plunger movable toward and away from a valve seat, and said diaphragm having a radially inner edge fixed to one end of the pl
1. A pressure regulator housing assembly comprising: a lower housing and an upper housing;a plunger and diaphragm assembly supported within the lower and upper housings, said plunger movable toward and away from a valve seat, and said diaphragm having a radially inner edge fixed to one end of the plunger and a radially outer edge clamped between an annular surface within said upper housing and a surface of a clamp ring locked against rotation relative to said upper housing thereby isolating said diaphragm from contact with said lower housing;wherein, upon assembly of said upper and lower housings requiring relative rotation therebetween, an upper edge of said lower housing is engaged by a lower surface of said clamp ring; andwherein an outer peripheral surface of said clamp ring is formed with a first plurality of vertically-oriented, tapered teeth and an inner peripheral wall portion of said upper housing adjacent said annular surface is formed with a second plurality of vertically-oriented teeth engageable, on assembly, with said first plurality of vertically-oriented teeth thereby locking said clamp ring against rotation relative to said upper housing. 2. The pressure regulator housing assembly of claim 1 wherein said first plurality of vertically-oriented teeth are relatively closely spaced said second plurality of vertically-oriented teeth are relatively widely spaced. 3. The pressure regulator housing assembly of claim 1 wherein said first and second pluralities of teeth are tapered in opposite directions to facilitate engagement. 4. A pressure regulator housing assembly comprising: a lower housing and an upper housing; anda plunger and diaphragm assembly supported within the lower and upper housings, said plunger movable toward and away from a valve seat, and said diaphragm having a radially inner edge fixed to one end of the plunger and a radially outer edge clamped between an annular surface within said upper housing and a surface of a clamp ring locked against rotation relative to said upper housing thereby isolating said diaphragm from contact with said lower housing,wherein, upon assembly of said upper and lower housings requiring relative rotation therebetween, an upper edge of said lower housing is engaged by a lower surface of said clamp ring, and wherein an inner peripheral surface of said upper housing is formed with circumferentially-spaced locking pads and an outer peripheral surface of said lower housing is formed with circumferentially-spaced locking recesses which, on axial assembly of the upper and lower housings, are offset from said circumferentially-spaced locking pads and which upon relative rotation between said upper and lower housings, are seated in said circumferentially-spaced locking recesses. 5. The pressure regulator housing assembly of claim 4 wherein said locking recesses are configured to prevent relative axial and rotational movement between said upper and lower housings when said locking pads are seated in said locking recesses. 6. The pressure regulator housing assembly of claim 5 wherein said clamp ring has an upper surface formed with an annular groove for receiving said radially outer edge of said diaphragm. 7. The pressure regulator housing assembly of claim 6 wherein an outer peripheral surface of said clamp ring is formed with first plurality of tapered teeth and an inner peripheral wall portion of said upper housing adjacent said annular surface is formed with a second plurality of teeth engageable, on assembly, with said first plurality of teeth to thereby lock said clamp ring against rotation relative to said upper housing. 8. The pressure regulator housing assembly of claim 7 wherein said first plurality of vertically-oriented teeth are relatively closely spaced said second plurality of vertically-oriented teeth are relatively widely spaced. 9. The pressure regulator housing assembly of claim 7 wherein said first and second pluralities of teeth are tapered in opposite directions to facilitate engagement. 10. A pressure regulator housing assembly comprising: a lower housing and an upper housing adapted for assembly via axial engagement and relative rotation;a plunger and diaphragm assembly supported within the lower and upper housings, said plunger movable toward and away from a valve seat, and said diaphragm having a radially inner edge fixed to one end of the plunger and a radially outer edge clamped between an annular surface within said upper housing and a surface of a clamp ring;wherein an outer peripheral surface of said clamp ring is formed with a first plurality of vertically-oriented, tapered teeth and an inner peripheral wall portion of said upper housing adjacent said annular surface is formed with a second plurality of vertically-oriented teeth engageable, on assembly, with said first plurality of vertically-oriented teeth thereby locking said clamp ring against rotation relative to said upper housing; andfurther wherein an inner peripheral surface of said upper housing is formed with circumferentially-spaced locking pads and an outer peripheral surface of said lower housing is formed with circumferentially-spaced locking recesses which, on axial assembly of the upper housing over the lower housings, are offset from said circumferentially-spaced locking pads and which upon relative rotation between said upper and lower housings, are seated in said circumferentially-spaced locking recesses to thereby lock said upper housing to said lower housing, and wherein during said relative rotation, said diaphragm rotates with said upper housing and an upper edge of said lower housing is engaged by a lower surface of said clamp ring. 11. The pressure regulator housing assembly of claim 10 wherein said clamp ring has an upper surface formed with an annular groove for receiving said radially outer edge of said diaphragm. 12. The pressure regulator housing assembly of claim 10 wherein said first plurality of vertically-oriented teeth are relatively closely spaced said second plurality of vertically-oriented teeth are relatively widely spaced. 13. The pressure regulator housing assembly of claim 10 wherein said first and second pluralities of teeth are tapered in opposite directions to facilitate engagement. 14. The pressure regulator housing assembly of claim 10 wherein said locking recesses are configured to prevent relative axial and rotational movement between said upper and lower housings when said locking pads are seated in said locking recesses. 15. The pressure regulator housing assembly of claim 10 wherein said locking pads are substantially square, with a relatively sharp edge on one vertical side thereof and a ramped edge on an opposite vertical side thereof. 16. The pressure regulator housing assembly of claim 15 wherein the outer peripheral surface of the lower housing is formed with a plurality of circumferentially-spaced cam platforms, each defined by a cam surface that increases in diameter along a generally arcuate surface extending from a relatively flat base portion to a relatively sharp axial alignment edge, a lower portion of the cam surface of each cam platform cut out to form one of said circumferentially-spaced locking recesses located proximate said relatively sharp alignment edge. 17. The pressure regulator housing assembly of claim 16 wherein a space between one edge of the locking recess and said relatively sharp alignment edge is taken up by an axially-extending rib having an axially-oriented ramped surface on one vertical side thereof. 18. The pressure regulator housing assembly of claim 17 wherein said relatively sharp alignment edge comprises an opposite side of said axially-extending rib.
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