CN108006251B - Gas plug valve assembly - Google Patents
Gas plug valve assembly Download PDFInfo
- Publication number
- CN108006251B CN108006251B CN201710456805.0A CN201710456805A CN108006251B CN 108006251 B CN108006251 B CN 108006251B CN 201710456805 A CN201710456805 A CN 201710456805A CN 108006251 B CN108006251 B CN 108006251B
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- Prior art keywords
- valve
- rod
- valve body
- gas plug
- knob
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- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 15
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 24
- 230000008859 change Effects 0.000 description 8
- 230000008602 contraction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000001595 flow curve Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The gas plug valve assembly comprises a valve body (7), a valve core (1), a valve rod (8), an electromagnetic valve (1 a) and a transmission mechanism, and is characterized in that the transmission mechanism comprises a sleeve (10), a push rod (8 a), a deflector rod (9) and a second reset mechanism, the deflector rod (9) comprises a rotating shaft part (92) and a deflector lug part (93) arranged on the rotating shaft part (92), and the rotating shaft part (92) can be rotatably arranged in the valve body (7); the upper end surface of the poking lug part (93) is provided with a force bearing part (94) capable of bearing the inner end of the ejector rod (8 a), and the lower end is provided with a rod part (95) for laterally driving the ejector rod (1 c). The whole stress process is stable and reliable, the force arm is suitable in size, the operation is smooth, a user cannot loosen hands in advance due to insufficient stress, and flameout can be avoided.
Description
Technical Field
The invention relates to a valve, in particular to a gas plug valve assembly applied to a gas stove.
Background
The gas plug valve assembly can perform the actions of ignition, firepower adjustment and flameout, is a core component of the household kitchen range, and a valve rod in the rotating assembly opens an electromagnetic valve through a thimble of a transmission component, so that gas is introduced into a valve body.
The existing gas plug valve assembly is basically controlled to be opened by a plug valve and a solenoid valve with a plug, the plug valve comprises a valve body, a valve core, a valve rod, a valve needle, a rotating shaft and the solenoid valve, a valve cavity is arranged in the valve body, and at least an air inlet channel and an air outlet channel which are communicated with the valve cavity are formed in the valve body; the valve core can be rotationally arranged in a valve cavity of the valve body and can adjust the flow of the air outlet channel, the middle part of the valve core is provided with an air vent cavity, the side wall of the valve core is provided with an adjusting fire hole communicated with the air vent cavity, the adjusting fire hole is matched with the air outlet channel to adjust the air outlet flow, the electromagnetic valve is provided with a thimble, two ends of the rotating shaft are respectively provided with a cam and a pushing arm, and the valve needle and the valve rod are positioned in the same axial direction and are vertical to the axial direction of the rotating shaft.
When the valve rod is used, the valve rod is pressed down and rotated, the valve rod drives the valve core to rotate, the air outlet channel is communicated with the ventilation cavity of the valve core, meanwhile, after the valve rod is pressed down, the valve needle is driven to also press down the cam of the rotating shaft, and then the other end of the rotating shaft is driven to rotate, so that the push arm drives the ejector pin, the electromagnetic valve is opened, and fuel gas enters the valve body. That is, the opening of the solenoid valve and the opening of the plug valve are simultaneously completed by the rotation and the pressing down of the valve rod through a series of transmissions, respectively.
The structure is mature, has wide application, but has the following defects: because the rotation distance is far away, because the reset spring of solenoid valve and the valve rod reset spring size are different when pushing down the valve rod, the in-process of pushing the pivot can appear the thrust size different, lets the user mistake open for the gas, loosens the hand in advance, appears flameout phenomenon, and this structure is unfavorable for the function expansion.
In addition, the internal structure of the existing gas valve body is generally designed aiming at a certain type of gas source, the flow change caused by the rotation of the valve core is fixed, if the valve core is applied to other gas sources, the defect that the regulation is not smooth enough and the fire intensity is easy to mutate is likely to exist, and the valve can be regulated by adopting an electrically controlled valve, so that the valve is more convenient, but the electrically controlled gas valve body is complex in structure, high in production and manufacturing cost and poor in reliability.
Disclosure of Invention
The invention aims to solve the technical problem of providing a gas plug valve assembly capable of accurately sensing whether an electromagnetic valve is opened or not.
Another technical problem to be solved by the present invention is to provide a gas plug valve assembly which is convenient to adjust and can be applied to various gas sources.
Another technical problem to be solved by the present invention is to provide a gas plug valve assembly which is convenient to adjust and does not generate great abrupt change when the gas flow is adjusted.
The technical scheme adopted for solving the technical problems is as follows: a gas plug valve assembly comprises
The valve body is internally provided with a valve cavity, and the valve body is at least provided with an air inlet channel and an air outlet channel which are communicated with the valve cavity;
the valve core is rotatably arranged in the valve cavity of the valve body and can adjust the flow of the air outlet channel, the middle part of the valve core is provided with a ventilation cavity, the side wall of the valve core is provided with an adjusting fire hole communicated with the ventilation cavity, and the adjusting fire hole is matched with the air outlet channel to adjust the air outlet flow;
the valve rod can be rotationally arranged on the valve body and can drive the valve core to rotate;
the first reset mechanism is used for resetting the valve rod;
the electromagnetic valve is arranged on the valve body and provided with a thimble; and
the transmission mechanism is arranged in the valve body and can transmit the power of the valve rod to the thimble so as to realize the opening and closing control of the electromagnetic valve,
it is characterized in that the transmission mechanism comprises
The sleeve is arranged on the valve rod and positioned at the outer side of the valve body, and the sleeve (10) is transversely extended and provided with a cross rod;
the ejector rod can be telescopically arranged on the valve body, the outer end of the ejector rod is exposed out of the valve body, and the inner end of the ejector rod extends into the valve body;
the deflector rod comprises a rotating shaft part and a deflector lug part arranged on the rotating shaft part, and the rotating shaft part can be rotationally arranged in the valve body; the upper end surface of the poking lug part is provided with a stress part capable of bearing the inner end of the ejector rod, and the lower end of the poking lug part is provided with a rod part for laterally driving the ejector pin; and
and the second reset mechanism is used for resetting the deflector rod.
Preferably, the rod part is arc-shaped, and the second reset mechanism is a first compression spring sleeved on the rod part and one end of the first compression spring abuts against the inner wall of the valve body.
In order to ensure stable and orderly operation of the deflector rod, a guide plate is convexly arranged on the inner wall of the valve body, a strip-shaped guide hole is formed in the middle of the guide plate, the front end of the rod part extends out of the guide hole, and the compression spring is propped against the inner side of the guide plate.
The valve body is provided with a containing cavity which comprises a flaring section and a contraction section positioned below the flaring section, the rear end of the ejector rod is arranged on the flaring section through a nut and sleeved with a reset spring, the front end of the ejector rod is sleeved with a sealing ring, part of the sealing ring can extend out of the contraction section, and the reset spring is positioned in the flaring section.
The gas plug valve also comprises
An upper sliding vane which is hermetically arranged at the bottom of the valve core or integrally formed at the bottom of the valve core and can rotate along with the rotation of the valve core, wherein the upper sliding vane is provided with an upper air inlet hole communicated with the ventilation cavity;
a lower sliding sheet closely attached to the upper sliding sheet and provided with a lower air inlet hole communicated with a partial valve cavity below the valve core, wherein the overlapping part of the lower air inlet hole and the upper air inlet hole forms an air inlet passage entering the valve core from the valve cavity; and
the knob is arranged on the valve body, the inner end of the knob can drive the lower sliding vane to rotate, an air inlet gap is formed between the knob and the lower end face of the lower sliding vane, and a rotating part is formed at the outer end of the knob.
The area change of the overlapped part of the upper air inlet and the lower air inlet is realized through the rotation of the upper sliding vane and the lower sliding vane, and the adjustment of the gas flow is realized, so that the flow curve is relatively gentle, and abrupt change is not easy to occur in the firepower adjustment process; in addition, through the rotation of the sliding vane under the drive of the knob, the inherent flow change can be changed, so that the device can be applied to various air sources, and is convenient and fast to operate and reliable and stable to use.
Further, a rotating shaft hole is formed in the lower sliding vane, the upper sliding vane extends downwards to form a rotating shaft part penetrating through the rotating shaft hole, an elastic piece is arranged on the rotating shaft part, and the elastic piece acts on the lower sliding vane and forces the lower sliding vane to cling to the upper sliding vane.
Preferably, the elastic piece is a spring piece, and the spring piece is arranged on the rotating shaft part through a clamp spring.
Further, the rotating shaft is located at the center of the lower sliding vane, the upper air inlet holes are arranged around the rotating shaft, correspondingly, the rotating shaft is located at the center of the lower sliding vane, and the lower air inlet holes are arranged around the rotating shaft.
Further, the upper air inlet hole or the lower air inlet hole is arc-shaped and gradually reduces from one end to the other end.
Further, the lower end of the lower sliding sheet is provided with a notch, and correspondingly, the inner end of the knob is provided with a limiting block which is matched with the notch.
Further, a second compression spring is arranged in the partial valve cavity below the valve core, the second compression spring always forces the knob to extend outwards, a plurality of limit grooves are formed in the inner side of the valve body around the knob, and correspondingly, a limit boss which is in positioning fit with the limit grooves after rotation is arranged at the inner end of the knob.
Further, the upper end of the upper sliding sheet is extended to be provided with a cylinder part matched with the inner wall of the valve core, the periphery of the cylinder part is provided with a first sealing ring, the knob is sleeved with a second sealing ring, and the second sealing ring is tightly contacted with the valve body.
Further, an axial slot is formed in the bottom of the valve core, and correspondingly, an insertion part which is inserted and assembled with the slot is formed on one side of the upper sliding sheet, which is positioned on the cylinder part.
Compared with the prior art, the invention has the advantages that: after the sleeve is pressed down and rotated along with the valve rod, the cross rod compresses the ejector rod, the inner end of the ejector rod acts on the stress part of the lug pulling part, and then the rod part of the lug pulling part drives the ejector pin of the electromagnetic valve, so that the electromagnetic valve is driven to be opened, the whole stress process is stable and reliable, the size of the force arm is suitable, the operation is smooth, a user cannot loosen hands in advance due to insufficient stress, and flameout phenomenon can be avoided.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment.
Fig. 2 is a schematic view of another view structure according to an embodiment.
Fig. 3 is a cross-sectional view of an embodiment.
Fig. 4 is a schematic diagram of the body structure in fig. 1.
Fig. 5 is a schematic view of the structure of the base plate in fig. 1.
FIG. 6 is an enlarged assembly view of the valve core, upper slide, lower slide and knob of FIG. 3.
Fig. 7 is an exploded view of fig. 6.
FIG. 8 is a schematic view of another view of the upper slider of FIG. 7.
Fig. 9 is a schematic view of the structure of the valve body in the embodiment after the valve body is removed.
FIG. 10 is an enlarged view of the lever of FIG. 9.
Fig. 11 is a state diagram of the electromagnetic valve in the embodiment when the electromagnetic valve is not opened.
Fig. 12 is a state diagram when the solenoid valve is opened in the embodiment.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 5, the gas plug valve in this embodiment includes a valve body 7, a valve element 1, a valve stem 8, an upper slide 2, a lower slide 3, a knob 5, a first reset mechanism, a solenoid valve 1a, and a transmission mechanism.
The valve rod 8 is rotatably arranged on the valve body 7 and can drive the valve core 1 to rotate; the first reset mechanism is used for resetting the valve rod 8; the solenoid valve 1a is provided on the valve body 7 and has a thimble 1c.
The valve body 7 is internally provided with a valve cavity 76, and the valve body 7 is at least provided with an air inlet channel 75 and an air outlet channel which are communicated with the valve cavity 76; the valve body 7 in this embodiment is assembled from a body 71 and a bottom plate 72, and the outlet channels include an outer ring outlet channel 74 and an inner ring outlet channel 73.
The valve core 1 is rotatably arranged in a valve cavity 76 of the valve body 7 and can adjust the flow of the air outlet channel, the middle part of the valve core 1 is provided with a ventilation cavity 14, the side wall of the valve core is provided with an adjusting fire hole communicated with the ventilation cavity 14, the adjusting fire hole is matched with the air outlet channel to adjust the air outlet flow, and the adjusting fire hole in the embodiment comprises an outer adjusting fire hole 13 and an inner adjusting fire hole 12.
As shown in fig. 9, 11 and 12, the transmission mechanism is disposed in the valve body 7 and can transmit the power of the valve rod 8 to the thimble 1c, thereby realizing the opening and closing control of the electromagnetic valve 1 a. The transmission mechanism comprises a sleeve 10, a push rod 8a, a deflector rod 9 and a second reset mechanism, wherein the sleeve 10 is arranged on the valve rod 8 and positioned at the outer side of the valve body 7, and a cross rod 101 is transversely arranged on the sleeve 10 in an extending manner; the ejector rod 8a can be telescopically arranged on the valve body 7, the outer end of the ejector rod is exposed out of the valve body 7, and the inner end of the ejector rod stretches into the valve body 7; as shown in fig. 10, the lever 9 includes a rotation shaft 92 and a tab 93 provided on the rotation shaft 92, the rotation shaft 92 being rotatably provided in the valve body 7; the upper end surface of the poking lug 93 is provided with a force bearing part 94 which can bear the inner end of the ejector rod 8a, and the lower end is provided with a rod part 95 which laterally drives the ejector pin 1 c; the second reset mechanism is used for resetting the deflector rod 9. In order to make the cross bar 101 and the ejector rod 8a smoothly matched, a groove can be formed on the lower end surface of the cross bar to be matched with the ejector rod 8 a.
The valve body 7 is provided with a containing cavity which comprises a flaring section and a contraction section positioned below the flaring section, the rear end of the ejector rod 8a is arranged on the flaring section through a nut 81a and sleeved with a reset spring 82a, the front end of the ejector rod 8a is sleeved with a sealing ring 83a and part of the sealing ring can extend out of the contraction section, the reset spring 82a is positioned in the flaring section, and a gasket 84a is arranged on the sealing ring 83 a.
Referring to fig. 11 and 12, after the sleeve 10 is pushed down and rotated along with the valve rod 8, the cross rod 101 presses the push rod 8a, and the inner end of the push rod 8a acts on the force receiving portion 94 of the ear-pulling portion 93, so that the rod portion 95 of the ear-pulling portion 93 drives the ejector pin 1c of the electromagnetic valve 1a, and the electromagnetic valve 1a is driven to open.
The rod 95 is arc-shaped, and the second reset mechanism is a compression spring 91, and the compression spring 91 is sleeved on the rod and one end of the compression spring abuts against the inner wall of the valve body 7.
The inner wall of the valve body 7 is convexly provided with a guide plate 7a, the middle part of the guide plate 7a is provided with a strip-shaped guide hole 71a, the front end of the rod part 95 extends out of the guide hole 71a, and the compression spring 91 is propped against the inner side of the guide plate 7 a.
As shown in fig. 6, 7 and 8, the upper sliding vane 2 is sealingly disposed at the bottom of the valve core 1 and can rotate along with the rotation of the valve core 1, and the upper sliding vane 2 is provided with an upper air inlet hole 23 communicating with the air vent cavity 14, however, the upper sliding vane 2 in this embodiment may be integrally formed at the bottom of the valve core 1.
The lower sliding vane 3 is closely attached to the upper sliding vane 2 and is provided with a lower air inlet hole 33 communicated with a partial valve cavity 76 below the valve core 1, and the overlapping part of the lower air inlet hole 33 and the upper air inlet hole 23 forms an air inlet passage from the valve cavity 76 to the valve core 1.
The lower sliding vane 3 is provided with a rotating shaft hole 32, the upper sliding vane 2 extends downwards to form a rotating shaft part 24 penetrating through the rotating shaft hole 32, the rotating shaft part 24 is provided with an elastic piece 4, and the elastic piece 4 acts on the lower sliding vane 3 and forces the lower sliding vane 3 to cling to the upper sliding vane 2. The elastic member 4 in this embodiment is a spring piece, which is provided on the rotating shaft portion 24 via a clip spring 41.
The knob 5 is disposed on the valve body 7, the inner end of the knob 5 can drive the lower sliding vane 3 to rotate, an air inlet gap 100 is formed between the knob and the lower end surface of the lower sliding vane 3, and a rotating part 51 is formed at the outer end.
The rotary shaft portion 24 is located at the center of the lower slide 3, the upper air intake holes 23 are arranged around the rotary shaft portion 24, and correspondingly, the rotary shaft hole 32 is located at the center of the lower slide 3, and the lower air intake holes 33 are arranged around the rotary shaft hole 32.
The upper air inlet hole 23 and the lower air inlet hole 33 are arc-shaped and gradually narrow from one end to the other end, and the upper air inlet hole 23 and the lower air inlet hole 33 are multiple in the embodiment.
The lower end of the lower slide 3 is provided with a notch 31, and correspondingly, the inner end of the knob 5 is provided with a limiting block 53 which is matched in the notch 31. The periphery of the limiting block 53 is provided with a limiting column for limiting the lower sliding sheet 3. Notch 31 and stopper 53. The lower slide sheet 3 is driven by the knob 5 to rotate together.
A second compression spring 56 is arranged in the partial valve cavity 76 below the valve core 1, the second compression spring 56 always forces the knob 5 to extend outwards, a plurality of limit grooves 721 are formed around the knob 5 on the inner side of the bottom plate 72, and correspondingly, a limit boss 52 which is matched with the limit grooves 721 in a locating mode after rotating is arranged at the inner end of the knob 5.
The upper end of the upper sliding sheet 2 is extended to be provided with a cylinder part 21 which is matched with the inner wall of the valve core 1, the periphery of the cylinder part 21 is provided with a first sealing ring 240, the knob 5 is sleeved with a second sealing ring 54, and the second sealing ring 54 is tightly contacted with the valve body 7.
The bottom of the valve core 1 is provided with an axial slot 11, and correspondingly, an inserting part 22 which is inserted and assembled with the slot 11 is formed on one side of the upper sliding sheet 2, which is positioned on the cylinder part 21. Thus, the valve core 1 can drive the upper sliding vane 2 to rotate together.
The area change of the overlapped part of the upper air inlet and the lower air inlet is realized through the rotation of the upper sliding vane and the lower sliding vane, and the adjustment of the gas flow is realized, so that the flow curve is relatively gentle, and abrupt change is not easy to occur in the firepower adjustment process; when the flow change inside the gas plug valve needs to be regulated, the knob is pushed inwards, the elasticity of the compression spring is overcome, the knob is rotated simultaneously, the knob drives the lower sliding sheet to rotate, after a certain angle is rotated, the knob is loosened, the limiting boss of the knob is limited in the corresponding limiting groove, the knob is positioned, the position of the lower sliding sheet is changed simultaneously, the relative positions of the upper air inlet hole and the lower air inlet hole are changed, the inherent flow of the gas plug valve is changed in the regulation process, and therefore the gas plug valve can be applied to various air sources, is convenient to operate, and is reliable and stable to use.
Claims (13)
1. A gas plug valve assembly comprises
A valve body (7) with a valve cavity (76) inside, wherein the valve body (7) is at least provided with an air inlet channel (75) and an air outlet channel which are communicated with the valve cavity (76);
the valve core (1) can be rotatably arranged in a valve cavity (76) of the valve body (7) and can adjust the flow of the air outlet channel, the middle part of the valve core (1) is provided with an air vent cavity (14), the side wall of the valve core is provided with an adjusting fire hole communicated with the air vent cavity (14), and the adjusting fire hole is matched with the air outlet channel to adjust the air outlet flow;
a valve rod (8) which is rotatably arranged on the valve body (7) and can drive the valve core (1) to rotate;
a first reset mechanism for resetting the valve rod (8);
a solenoid valve (1 a) provided on the valve body (7) and having a thimble (1 c); and
the transmission mechanism is arranged in the valve body (7) and can transmit the power of the valve rod (8) to the thimble (1 c), thereby realizing the opening and closing control of the electromagnetic valve (1 a),
it is characterized in that the transmission mechanism comprises
A sleeve (10) arranged on the valve rod (8) and positioned outside the valve body (7), wherein the sleeve (10) is transversely extended and provided with a cross rod (101);
the ejector rod (8 a) can be telescopically arranged on the valve body (7) and the outer end of the ejector rod is exposed out of the valve body (7), and the inner end of the ejector rod stretches into the valve body (7);
the deflector rod (9) comprises a rotating shaft part (92) and a deflector lug part (93) arranged on the rotating shaft part (92), and the rotating shaft part (92) can be rotatably arranged in the valve body (7); the upper end surface of the poking lug part (93) is provided with a stress part (94) capable of receiving the inner end of the ejector rod (8 a), and the lower end is provided with a rod part (95) for laterally driving the ejector rod (1 c); and
the second reset mechanism is used for resetting the deflector rod (9);
after the sleeve (10) is pressed down and rotated along with the valve rod (8), the cross rod (101) compresses the ejector rod (8 a), the inner end of the ejector rod (8 a) acts on the stress part (94) of the poking lug part (93), and then the rod part (95) of the poking lug part (93) drives the ejector pin (1 c) of the electromagnetic valve (1 a) to promote the electromagnetic valve (1 a) to be opened.
2. The gas plug valve assembly according to claim 1, wherein the rod portion (95) is in a circular arc shape, the second reset mechanism is a first compression spring (91), and the first compression spring (91) is sleeved on the rod portion and one end of the first compression spring abuts against the inner wall of the valve body (7).
3. The gas plug valve assembly according to claim 2, wherein the inner wall of the valve body (7) is convexly provided with a guide plate (7 a), a strip-shaped guide hole (71 a) is formed in the middle of the guide plate (7 a), the front end of the rod part (95) extends out of the guide hole (71 a), and the compression spring (91) is propped against the inner side of the guide plate (7 a).
4. The gas plug valve assembly according to claim 1, wherein the valve body (7) is provided with a containing cavity, the containing cavity comprises a flaring section and a shrinking section positioned below the flaring section, the rear end of the ejector rod (8 a) is arranged on the flaring section through a nut (81 a) and sleeved with a return spring (82 a), the front end of the ejector rod (8 a) is sleeved with a sealing ring (83 a) and partially stretches out of the shrinking section, and the return spring (82 a) is positioned in the flaring section.
5. The gas plug valve assembly of claim 1, further comprising
An upper sliding vane (2) which is hermetically arranged at the bottom of the valve core (1) or integrally formed at the bottom of the valve core and can rotate along with the rotation of the valve core (1), wherein the upper sliding vane (2) is provided with an upper air inlet hole (23) communicated with the ventilation cavity (14);
a lower sliding vane (3) which is tightly attached to the upper sliding vane (2) and is provided with a lower air inlet hole (33) communicated with a partial valve cavity (76) below the valve core (1), and the overlapping part of the lower air inlet hole (33) and the upper air inlet hole (23) forms an air inlet passage from the valve cavity (76) into the valve core (1); and
the knob (5) is arranged on the valve body (7), the inner end of the knob (5) can drive the lower sliding sheet (3) to rotate, an air inlet gap (100) is formed between the knob and the lower end face of the lower sliding sheet (3), and a rotating part (51) is formed at the outer end of the knob.
6. The gas plug valve assembly as recited in claim 5, wherein the lower slide (3) is provided with a pivot hole (32), the upper slide (2) extends downward to form a pivot portion (24) passing through the pivot hole (32), the pivot portion (24) is provided with an elastic member (4), and the elastic member (4) acts on the lower slide (3) and forces the lower slide (3) to be tightly attached to the upper slide (2).
7. The gas plug valve assembly according to claim 6, wherein the elastic member (4) is a spring piece provided on the rotating shaft portion (24) through a snap spring (41).
8. The gas plug valve assembly as recited in claim 6, wherein the rotary shaft portion (24) is located at a central position of the lower slide (3), the upper air inlet hole (23) is disposed around the rotary shaft portion (24), and correspondingly, the rotary shaft hole (32) is located at a central position of the lower slide (3), and the lower air inlet hole (33) is disposed around the rotary shaft hole (32).
9. The gas plug valve assembly as recited in claim 8, wherein the upper inlet aperture (23) or the lower inlet aperture (33) is arcuate and tapers from one end to the other.
10. The gas plug valve assembly according to claim 5, characterized in that the lower end of the lower slide (3) is provided with a notch (31), and correspondingly, the inner end of the knob (5) is provided with a limit block (53) which is matched in the notch (31).
11. The gas plug valve assembly according to claim 5, characterized in that a second compression spring (56) is arranged in a partial valve cavity (76) below the valve core (1), the second compression spring (56) always forces the knob (5) to extend outwards, a plurality of limit grooves (721) are formed around the knob (5) on the inner side of the valve body (7), and correspondingly, limit bosses (52) which are matched with the limit grooves (721) in a positioning way after rotating are formed at the inner end of the knob (5).
12. The gas plug valve assembly according to claim 11, wherein the upper end of the upper sliding sheet (2) is extended with a cylinder part (21) adapted to the inner wall of the valve core (1), a first sealing ring (240) is arranged on the periphery of the cylinder part (21), and a second sealing ring (54) is sleeved on the knob (5), and the second sealing ring (54) is in tight contact with the valve body (7).
13. The gas plug valve assembly according to claim 12, wherein the bottom of the valve core (1) is provided with an axial slot (11), and correspondingly, the upper sliding sheet (2) is provided with an insertion part (22) formed on one side of the cylinder part (21) and in insertion fit with the slot (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108644451A (en) * | 2018-07-19 | 2018-10-12 | 严正文 | A kind of stopcock structure and kitchen range |
| CN109237065B (en) * | 2018-11-14 | 2024-06-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Gas plug valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103104744A (en) * | 2013-01-25 | 2013-05-15 | 浙江新涛电子机械股份有限公司 | Thermoelectric type flame-out protection plug valve of gas stove and gas stove |
| CN203670858U (en) * | 2013-12-27 | 2014-06-25 | 浙江新涛电子机械股份有限公司 | Gas stove plug valve with horizontally-arranged valve rod |
| CN206191656U (en) * | 2016-11-16 | 2017-05-24 | 宁波市万茂电器有限公司 | Gas cooking utensils plug valve |
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| CN104089048B (en) * | 2014-06-30 | 2016-04-20 | 宁波朝阳家用燃气具有限公司 | The gas valve that a kind of energy two gas exchanges |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104744A (en) * | 2013-01-25 | 2013-05-15 | 浙江新涛电子机械股份有限公司 | Thermoelectric type flame-out protection plug valve of gas stove and gas stove |
| CN203670858U (en) * | 2013-12-27 | 2014-06-25 | 浙江新涛电子机械股份有限公司 | Gas stove plug valve with horizontally-arranged valve rod |
| CN206191656U (en) * | 2016-11-16 | 2017-05-24 | 宁波市万茂电器有限公司 | Gas cooking utensils plug valve |
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