Gas valve capable of switching for two different gas supplies
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16K-011/14
F16K-005/02
F16K-005/10
출원번호
US-0735951
(2015-06-10)
등록번호
US-9488282
(2016-11-08)
우선권정보
CN-2014 1 0307112 (2014-06-30)
발명자
/ 주소
Li, Xueya
출원인 / 주소
Ningbo Chaoyang Household Gas Stoves Co., Ltd.
대리인 / 주소
Wang Law Firm, Inc.
인용정보
피인용 횟수 :
0인용 특허 :
6
초록▼
A gas valve capable of switching for two different gas supplies, has two outlets, two independent rotation positioning areas and two staggered groups of fire holes, one outlet responds to the first gas supply, and the other outlet corresponds to a second gas supply; when the gas valve is mounted on
A gas valve capable of switching for two different gas supplies, has two outlets, two independent rotation positioning areas and two staggered groups of fire holes, one outlet responds to the first gas supply, and the other outlet corresponds to a second gas supply; when the gas valve is mounted on a stove, each outlet is connected to the gas nozzle fit for the corresponding gas supply, then when the corresponding gas supply is used, only the valve rod is switched to the corresponding rotating positioning area, the rotating positioning area corresponds to the corresponding group of fire holes and outlet, only the outlet fit for the gas supply supplies gas to the stove at the moment, and the other outlet is in a closed state all the time, so the gas valve capable of switching for two different gas supplies can be realized without replacing the gas nozzles.
대표청구항▼
1. A gas valve capable of switching for two different gas supplies, comprising: a valve body having a top end, an inlet, a first outlet and a second outlet;a valve core rotatably disposed inside the valve body, having a peripheral surface and a first group of fire holes and a second group of fire ho
1. A gas valve capable of switching for two different gas supplies, comprising: a valve body having a top end, an inlet, a first outlet and a second outlet;a valve core rotatably disposed inside the valve body, having a peripheral surface and a first group of fire holes and a second group of fire holes disposed thereon;a valve cover connected to the top end of the valve body, the valve cover having a center passage and an inner chamber with a first step and a second step;a rotatable valve rod for driving the valve core, the rotatable valve rod being inserted into the center passage of the valve cover, the rotatable valve rod having a protrusion extending away from the valve rod;a regulator with a rear end adjustably inserted into the inner chamber of the valve cover and the valve body, the regulator being able to adjust position of the protrusion;wherein,the inlet in communication with the first outlet through the first group of fire holes, and the inlet also in communication with the second outlet through the second group of fire holes;the first step and the second step in the inner chamber of the valve cover limit rotation of the protrusion;a first rotation positioning area is defined between the regulator and the first step, when the protrusion is inside the first rotation area, the first group of fire holes are in communication with the first outlet, and the second group of fire holes are not in communication with the second outlet;a second rotation positioning area is defined between the regulator and the second step, when the protrusion is in the second rotation area, the second group of fire holes are in communication with the second outlet, and the first group of fire holes are not in communication with the first outlet;when the regulator moves upward and the rear end of the regulator moves out of the inner chamber of the valve cover, the protrusion can move between both the first rotation positioning area and the second rotation positioning area. 2. The gas valve of claim 1, wherein the valve core has a spring recess for receiving a spring, and a center hole defined in an opposite end of the spring recess, the spring recess defines a wall and a receiving slot is formed on the wall for receiving the protrusion when the protrusion moves upward and downward; the two groups of fire holes communicate with the center hole, the valve rod extends inside the spring recess;the spring in the spring recess forces the valve rod to move upward;the first step and the second step define a first arc-shaped raised portion inside the valve cover. 3. The gas valve of claim 1, wherein the first outlet is defined vertically above the second outlet, accordingly, the first group of fire holes are defined vertically above the second group of fire holes. 4. The gas valve of claim 1, wherein the regulator is a screw. 5. The gas valve of anyone of claim 1, wherein the first group of fire holes includes a first large fire hole and a first small fire hole; when the protrusion rotates toward to the first step and is stopped by the first step, both of the first large fire hole and the first small fire hole are not in communication with the first outlet;when the protrusion rotates toward middle of the first rotation positioning area, the first large fire hole communicates with the first outlet;when the protrusion rotates toward the regulator in the first rotation positioning area and is stopped by the regulator, the first small fire hole communicates with the first outlet. 6. The gas valve of claim 5, wherein a second arc-shaped raised portion and a third arc-shaped raised portion adjacent to each other are formed on the valve cover and inside the first rotation positioning area, the first arc-shaped raised portion has a height that is taller than a height of the second arc-shaped raised portion, the height of the second arc-shaped raised portion is taller than a height of the third arc-shaped raised portion; a first front recess is defined between the first arc-shaped raised portion and the second arc-shaped raised portion and receives the protrusion for positioning the protrusion, when the protrusion is located inside the first front recess, neither the first large fire hole nor the first small fire hole are in communication with the first outlet;when the protrusion is located between the second arc-shaped raised portion and the third arc-shaped raised portion, the first large fire hole is in communication with the first outlet;a first rear recess is defined between the third arc-shaped raised portion and the regulator for receiving the protrusion and positioning the protrusion, when the protrusion is located inside the first rear recess, the first small fire hole is in communication with the first outlet. 7. The gas valve of claim 6, wherein a first space is formed between the top end of the valve body and the third arc-shaped raised portion for the protrusion to move downward and rotate, and a first opening is formed on the top end of the valve body providing a moving space for the protrusion when the protrusion moves downward and rotates relatively to the valve body; when the valve rod drives the valve core to moves downward and rotating away from a closing state of the fire holes and toward the first large fire hole, the protrusion moves inside the first opening;when the valve rod drives the valve core to moves downward and rotating the first large fire hole away from a communicating state toward the first small fire hole, the protrusion of the valve rod moves inside the first space. 8. The gas valve of anyone of claim 1, wherein the second group of fire holes includes a second large fire hole and a second small fire hole; when the protrusion of the valve rod rotates toward the regulator in the second rotation positioning area and is stopped by the regulator, neither of the second large fire hole nor a second small fire hole are in communication with the second outlet;when the protrusion rotates at the middle of the second rotation positioning area, the second large fire hole is in communication with the second outlet;when the protrusion rotates toward the second step and is stopped by the second step, the second small fire hole is in communication with the second outlet. 9. The gas valve of claim 8, wherein a forth arc-shaped raised portion and a fifth arc-shaped raised portion adjacent to each other are formed on the valve cover inside the second rotation positioning area, the forth arc-shaped raised portion has a height that is taller than a height of the fifth arc-shaped raised portion, the height of the first arc-shaped raised portion is taller than the height of the forth arc-shaped raised portion; a second front recess is defined between the forth arc-shaped raised portion and the regulator for receiving the protrusion and positioning the protrusion, when the protrusion is located inside the second front recess, neither the second large fire hole nor the second small fire hole are not in communication with the second outlet;when the protrusion is located between the forth arc-shaped raised portion and the fifth arc-shaped raised portion, the second large fire hole is in communication with the second outlet;a second rear recess is defined between the fifth arc-shaped raised portion and the first arc-shaped raised portion for receiving the protrusion and positioning the protrusion, when the protrusion is located inside the second rear recess, the second small fire hole is in communication with the second outlet. 10. The gas valve of claim 9, wherein a second space is formed between the top end of the valve body and the fifth arc-shaped raised portion for the protrusion to move downward and rotate, and a second opening is formed on the top end of the valve body providing a moving space for the protrusion when the protrusion moves downward and rotates relatively to the valve body; when the valve rod drives the valve core downward and rotates away from a closing state of the fire holes and toward the second large fire hole, the protrusion moves inside the second opening;when the valve rod drives the valve core downward and rotating away from a communicating state of the second large fire hole and toward the second small fire hole, the protrusion of the valve rod moves inside the second space.
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