CN108006250B - Gas plug valve convenient to adjust - Google Patents
Gas plug valve convenient to adjust Download PDFInfo
- Publication number
- CN108006250B CN108006250B CN201710380270.3A CN201710380270A CN108006250B CN 108006250 B CN108006250 B CN 108006250B CN 201710380270 A CN201710380270 A CN 201710380270A CN 108006250 B CN108006250 B CN 108006250B
- Authority
- CN
- China
- Prior art keywords
- valve
- knob
- air inlet
- sliding vane
- valve core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 238000001595 flow curve Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 36
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000035772 mutation Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- F16K31/60—Handles
-
- 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)
- Feeding And Controlling Fuel (AREA)
- Lift Valve (AREA)
Abstract
The utility model provides a gas plug valve convenient to adjust, includes valve body (7) and case (1), and characterized in that this gas plug valve still includes upper slide sheet (2), lower slide sheet (3) and knob (5), and upper slide sheet (2) are located case (1) bottom, and upper inlet port (23) communicating with ventilation chamber (14) are offered to this upper slide sheet (2); the lower sliding vane (3) 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), the knob (5) is arranged on the valve body (7), the inner end of the knob (5) can drive the lower sliding vane (3) to rotate, and the outer end of the knob (5) forms a knob part (51). The area change of the overlapping 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 thermal power adjustment process.
Description
Technical Field
The invention relates to a valve, in particular to a valve applied to a gas stove.
Background
Gas valves in various gas cookers are manually operated valves that control the supply of a gas source. The household gas cooker is generally provided with an inner ring fire and an outer ring fire, the common double-channel gas valve is generally provided with a valve body with an air inlet channel, an inner ring air outlet channel and an outer ring air outlet channel, a rotatable valve core is arranged in the valve body, a vent cavity is arranged at the lower part of the valve core, a valve rod capable of driving the valve core to rotate is arranged on the valve body in a penetrating manner, the valve rod can drive the valve core to rotate together, a series of adjusting fire holes with different sizes for communicating the air inlet channel and the outer ring air outlet channel are formed in the side wall of the vent cavity of the valve core, and the arc inner ring fire holes for communicating the air inlet channel and the inner ring air outlet channel are formed in the side wall of the vent cavity of the valve core.
When the gas-saving stove is used, the end parts of the inner ring gas outlet channel and the outer ring gas outlet channel of the valve body are connected with the nozzle, the inner ring gas outlet channel is finally communicated with the inner ring part in the stove, the outer ring gas outlet channel is finally communicated with the outer ring part in the stove, a user can operate the valve rod through the knob arranged on the operation panel, generally presses the knob firstly and rotates anticlockwise, the valve core can be driven to rotate anticlockwise, the large fire hole and the arc notch on the valve core are communicated with the gas inlet channel in the valve body, the gas source is divided into two independent paths after entering from the gas inlet channel, one path is communicated with the outer ring gas outlet channel through the gas-passing cavity, the regulating fire hole, and the other path is communicated with the inner ring gas outlet channel through the gas-passing cavity and the inner ring fire hole.
The Chinese air source has various forms, including artificial gas, liquefied gas and natural gas, the internal structure of the existing gas valve is designed for a certain type of air source for the universality of the valve body, the flow change caused by the rotation of the valve core is fixed, if the valve core is applied to other air sources, the regulation is not smooth enough, the fire is easy to have abrupt change, the valve can be regulated by adopting an electrically controlled valve, the structure of the electrically controlled gas valve is complex, the production and manufacturing cost is high, and the reliability is poor.
Disclosure of Invention
The invention aims to solve the technical problem of providing a gas plug valve which is applicable to various gas sources and convenient to adjust.
Another technical problem to be solved by the present invention is to provide a gas plug valve which is convenient to adjust and does not generate great mutation when the gas flow is adjusted.
Yet another technical problem to be solved by the present invention is to provide a gas plug valve which is compact and easy to manufacture and convenient to adjust, in view of the above state of the art.
The technical scheme adopted for solving the technical problems is as follows: the gas plug valve comprises a valve body, wherein a valve cavity is formed 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 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;
characterized in that 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 lower sliding vane is provided with a rotating shaft hole, the upper sliding vane downwards extends to form a rotating shaft part penetrating through the rotating shaft hole, the rotating shaft part is provided with an elastic piece, and the elastic piece acts on the lower sliding vane and forces the lower sliding vane to cling to the upper sliding vane.
The elastic piece is a spring piece which is arranged on the rotating shaft part through a clamp spring.
The rotating shaft is positioned at the center of the lower sliding vane, the upper air inlet holes are arranged around the rotating shaft, correspondingly, the rotating shaft is positioned at the center of the lower sliding vane, and the lower air inlet holes are arranged around the rotating shaft.
The upper air inlet hole or the lower air inlet hole is arc-shaped and gradually reduces from one end to the other end.
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.
A compression spring is arranged in a partial valve cavity below the valve core, the 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 rotary limit grooves is arranged at the inner end of the knob.
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.
The bottom of the valve core is provided with an axial slot, and correspondingly, one side of the upper sliding sheet, which is positioned on the cylinder part, is provided with an inserting part which is in inserting fit with the slot.
Compared with the prior art, the invention has the advantages that: 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.
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.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
The gas plug valve in the embodiment comprises a valve body 7, a valve core 1, a valve rod 8, an upper sliding vane 2, a lower sliding vane 3 and a knob 5, wherein the valve rod 8 can drive the valve core 1 to rotate when rotating.
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 gas outlet passages protect an outer ring gas outlet passage 74 and an inner ring gas outlet passage 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.
The upper sliding vane 2 is hermetically arranged at the bottom of the valve core 1 and can rotate along with the rotation of the valve core 1, the upper sliding vane 2 is provided with an upper air inlet hole 23 communicated with the ventilation cavity 14, and of course, the upper sliding vane 2 in the embodiment can also 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 arranged 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 10 is formed between the knob and the lower end face 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 compression spring 56 is arranged in a partial valve cavity 76 below the valve core 1, the 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 and 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 24a, 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.
According to the embodiment, 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 thermal power 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 (8)
1. A gas plug valve convenient to adjust 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;
characterized in that the gas plug valve also comprises
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 (10) 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;
the upper air inlet hole (23) or the lower air inlet hole (33) is arc-shaped and gradually reduces from one end to the other end.
2. The gas plug valve according to claim 1, wherein 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 portion (24) penetrating through the rotating shaft hole (32), the rotating shaft portion (24) is provided with an elastic member (4), and the elastic member (4) acts on the lower sliding vane (3) and forces the lower sliding vane (3) to cling to the upper sliding vane (2).
3. The gas plug valve convenient to adjust according to claim 2, characterized in that the elastic piece (4) is a spring piece, and the spring piece is arranged on the rotating shaft part (24) through a snap spring (41).
4. The gas plug valve convenient to adjust according to claim 2, wherein the rotating shaft portion (24) is located at the central position of the lower sliding vane (3), the upper air inlet hole (23) is arranged around the rotating shaft portion (24), correspondingly, the rotating shaft hole (32) is located at the central position of the lower sliding vane (3), and the lower air inlet hole (33) is arranged around the rotating shaft hole (32).
5. The gas plug valve convenient to adjust according to claim 1, characterized in that the lower end of the lower sliding sheet (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).
6. The gas plug valve convenient to adjust according to claim 1, characterized in that a compression spring (56) is arranged in a partial valve cavity (76) below the valve core (1), the 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).
7. The gas plug valve convenient to adjust according to claim 6, wherein 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 (24 a), 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).
8. The gas plug valve convenient to adjust according to claim 7, wherein an axial slot (11) is formed at the bottom of the valve core (1), and correspondingly, an insertion part (22) which is inserted and assembled with the slot (11) is formed at one side of the upper sliding sheet (2) located at the cylinder part (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710380270.3A CN108006250B (en) | 2017-05-25 | 2017-05-25 | Gas plug valve convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710380270.3A CN108006250B (en) | 2017-05-25 | 2017-05-25 | Gas plug valve convenient to adjust |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108006250A CN108006250A (en) | 2018-05-08 |
| CN108006250B true CN108006250B (en) | 2024-01-16 |
Family
ID=62047650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710380270.3A Active CN108006250B (en) | 2017-05-25 | 2017-05-25 | Gas plug valve convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108006250B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159779B (en) * | 2019-05-13 | 2024-08-09 | 长青热能科技(中山)有限公司 | Plug valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014091379A1 (en) * | 2012-12-13 | 2014-06-19 | BSH Bosch und Siemens Hausgeräte GmbH | Valve for a gas cooker |
| CN105715818A (en) * | 2016-03-15 | 2016-06-29 | 宁波来特燃气具有限公司 | Gas valve capable of realizing synchronous change of inner ring fire and outer ring fire |
| CN106704623A (en) * | 2016-12-16 | 2017-05-24 | 宁波方太厨具有限公司 | Fuel gas valve synchronously regulating flow rates of inner and outer rings |
| CN207093820U (en) * | 2017-05-25 | 2018-03-13 | 宁波方太厨具有限公司 | The fuel gas plug valve of convenient regulation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-05-25 CN CN201710380270.3A patent/CN108006250B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014091379A1 (en) * | 2012-12-13 | 2014-06-19 | BSH Bosch und Siemens Hausgeräte GmbH | Valve for a gas cooker |
| CN105715818A (en) * | 2016-03-15 | 2016-06-29 | 宁波来特燃气具有限公司 | Gas valve capable of realizing synchronous change of inner ring fire and outer ring fire |
| CN106704623A (en) * | 2016-12-16 | 2017-05-24 | 宁波方太厨具有限公司 | Fuel gas valve synchronously regulating flow rates of inner and outer rings |
| CN207093820U (en) * | 2017-05-25 | 2018-03-13 | 宁波方太厨具有限公司 | The fuel gas plug valve of convenient regulation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108006250A (en) | 2018-05-08 |
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