CN203948710U - The gas valve that a kind of energy two gas exchange - Google Patents
The gas valve that a kind of energy two gas exchange Download PDFInfo
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- CN203948710U CN203948710U CN201420358595.3U CN201420358595U CN203948710U CN 203948710 U CN203948710 U CN 203948710U CN 201420358595 U CN201420358595 U CN 201420358595U CN 203948710 U CN203948710 U CN 203948710U
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- outlet passageway
- lug boss
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Abstract
The utility model relates to the gas valve that a kind of energy two gas exchange, this gas valve has two outlet passageways, two completely independently pivot region and two groups of fire hole groups that shift to install, due to the corresponding pivot region of an outlet passageway and one group of fire hole group, the fire hole group corresponding according to pivot region is different, the corresponding different combustion gas of different fire hole groups, we can corresponding source of the gas 1 by one of them outlet passageway like this, the corresponding source of the gas 2 of another outlet passageway, this gas valve is on being installed to kitchen range time, each outlet passageway passes through respectively flexible pipe, the corresponding gas nozzle that is applicable to corresponding source of the gas of installing of each hose end, when using corresponding source of the gas, only valve rod need be switched to corresponding pivot region, the corresponding corresponding fire hole group of this pivot region and outlet passageway, at this moment only have the outlet passageway that is applicable to this source of the gas to supply combustion gas to kitchen range, another outlet passageway is in closed condition all the time, therefore it is general that this gas valve also can be realized two gas exchanges under the prerequisite that need not change gas nozzle.
Description
Technical field
The utility model relates to a kind of gas valve, relates in particular to a kind ofly can adjust according to different sources of the gas the gas valve of different blast tubes.
Background technique
Gas valve in various gas utensils is the manual operating valve of controlling source of the gas supply.Common gas valve generally comprises the valve body that has gas-entered passageway and outlet passageway, in valve body, be provided with revolvable spool, spool top has spring chamber, spool bottom is provided with venting cavity, on valve body, be equipped with the valve rod that can drive Spool rotating, the lower end of valve rod holds and makes valve rod keep moving and disengaging is connected the spring of trend with spool, and this spring is positioned at the spring chamber on spool, has to be communicated with large fire hole and the small fire hole of gas-entered passageway and outlet passageway on the venting cavity sidewall of spool.During use, the outlet passageway of valve body is connected use with gas nozzle by flexible pipe, gas nozzle enters in the kitchen range of gas cooker, user by being arranged on the knob on operation panel, generally first press knob and rotate counterclockwise by operating valve lever, can be with movable valve plug to rotate counterclockwise, large fire hole on spool is connected with the gas-entered passageway in valve body, now, source of the gas can pass through gas-entered passageway, large fire hole, venting cavity and outlet passageway and spray from nozzle, for gas utensil.While turning the intensity of a fire down, user continues to rotate counterclockwise knob, and the small fire hole on spool is connected with the gas-entered passageway in valve body, reduces the circulation passage of source of the gas and reaches the object that reduces the intensity of a fire.If user wants the little intensity of a fire to remap to the maximum intensity of a fire, also, rotary valve key, spool is communicated with gas-entered passageway in valve body from its small fire hole be converted into its large fire hole to communicate with the gas-entered passageway in valve body.
Nowadays, various energy resources is developed, and has changed the phenomenon that original energy is single, and if liquefied petroleum gas (LPG), rock gas, dimethyl ether etc. are as kinds of gas sources, the common application in gas utensil is more and more extensive.When different types of source of the gas is common and deposit and need to exchange time, its calorific value of different combustion gas is different, again because the size of small fire hole in gas valve is certain, therefore for the high combustion gas of calorific value, the small fire hole of gas valve is less, and the low combustion gas of calorific value, the small fire hole of gas valve is larger.In energy starved epoch nowadays; in many countries, often having the thing that the source of the gas of whole residential belt need to change occurs; because the difference of source of the gas can cause that the required gas flow flux of gas utensil is different; thereby original install only for a kind of general gas valve and corresponding nozzle of combustion gas, all need to change; greatly increased change cost; be unfavorable for applying of new source of the gas, be also unfavorable for that the enforcement that source of the gas more changes jobs carries out.
For aforementioned present situation, also occurred in the market a kind of can two gas exchange the gas valve using, as the patent No. U. S. Patent that is US7156370, the patent No. is Chinese utility model patent < < fuel gas plug valve > > of ZL200920191607.7 (notification number is CN201487275U), and they have all disclosed a kind of gas valve of applicable two kinds of different sources of the gas.
All there is such common ground in the general gas valve of existing two gas, be that it only has an outlet passageway, by rotation valve rod, drive Spool rotating, by the fire output hole of different bores on spool, selected to be communicated with outlet passageway, to realize the adjusting of gas output, and then realize the object that is suitable for different sources of the gas.This just means, gas valve after carrying out combustion gas switching, also need to change via flexible pipe with go out channel attached gas nozzle, and gas nozzle is arranged in kitchen range, so the replacing of gas nozzle needs professional person just can change.
Therefore the general gas valve of existing two gas is in switching the adjustment process of source of the gas, and operation is quite inconvenient.
Summary of the invention
Technical problem to be solved in the utility model be for above-mentioned prior art present situation, provide a kind of switch adjustment operation very easily can two the gas valve that exchanges of gas, this gas valve is after carrying out handover operation, without again gas nozzle being changed, without professional person oneself, also can carry out foolproof switching adjustment operation, design humanized.
The utility model solves the problems of the technologies described above adopted technological scheme: the gas valve that a kind of energy two gas exchange, comprise have gas-entered passageway and outlet passageway valve body, be located at spool in valve body, be fixed on the valve gap of valve end, valve rod that can the rotation of Timing Belt movable valve plug; On the sidewall of described spool, have to be communicated with the fire hole of described gas-entered passageway and outlet passageway; It is characterized in that: described outlet passageway has two, be respectively the first outlet passageway and the second outlet passageway, described fire hole has two groups, is respectively the first fire hole group and the second fire hole group; The sidepiece of described valve rod is provided with can be with the lug boss of valve rod synchronous rotary, the roof of described valve gap inner chamber is formed with the first gear rank portion of described lug boss rotary spacing and the second gear rank portion, on valve gap, be equipped with the adjusting element that can move up and down, the inner chamber that stretches into valve gap at adjusting element can be to described lug boss rotary spacing; Described adjusting element forms the first pivot region to valve rod rotary spacing together with the first gear rank portion, at valve rod in the first pivot region in rotary course, only have the first fire hole group to be communicated with the first outlet passageway, and the second fire hole group is blocked all the time with the second outlet passageway; Described adjusting element forms the second pivot region to valve rod rotary spacing together with the second gear rank portion, at valve rod in the second pivot region in rotary course, only have the second fire hole group to be communicated with the second outlet passageway, and the first fire hole group is blocked all the time with the first outlet passageway; On adjusting screw rod, move to the inner chamber that adjusting element does not stretch into valve gap, valve rod can be from a pivot region rotation to another pivot region.
The bottom of above-mentioned spool is provided with downward opening venting cavity, described fire hole is communicated with venting cavity, the top of spool is provided with opening up spring chamber, valve handle activity enters spring chamber through after valve gap, on the side face of described spring chamber, have axial setting and the opening up slot inserting for lug boss, in described spring chamber, be provided with the spring that makes valve rod keep the trend of moving.Certainly lug boss can be also a kind of positioning wheel being set-located with valve rod, and its structure specifically referenced patent number is 201010164539.2 the disclosed content of patent of invention.Lug boss also can not drive Spool rotating, and spool directly coordinates with the flat hole between spool by valve rod, and drives Spool rotating.The roof of above-mentioned valve gap inner chamber has the first arc boss portion, and two sidewalls of the first arc boss portion form respectively described the first gear rank portion and the second gear rank portion.
Above-mentioned the first fire hole group and the second fire hole group shift to install up and down, and described the first outlet passageway and the second outlet passageway shift to install up and down.The set-up mode of this fire hole and outlet passageway, can optimize the setting of fire hole on spool, even if upper and lower fire hole group overlaps on axial position, due to fire hole group and all dislocation up and down of outlet passageway, also can make fire hole group and outlet passageway be one-to-one relationship.
Above-mentioned adjusting element is screw, and this screw thread is connected on described valve gap.Screw has up-down adjustment adjusting element position advantage easily, only needs rotary screw to realize during adjusting.
Above-mentioned the first fire hole group comprises first fire hole and the first small fire hole; At lug boss, turn to the first gear rank portion inconsistently and be subject to when spacing, described first fire hole and the first small fire hole are not all communicated with the first outlet passageway; During intermediateness in lug boss turns to the first pivot region, described first fire hole is just in time communicated with the first outlet passageway; Lug boss on valve rod turns to adjusting element inconsistent and be subject to when spacing in the first pivot region, and described the first small fire hole is just in time communicated with the first outlet passageway.The first fire hole group arranges large fire hole and a small fire hole, can realize and use source of the gas 1 to make to have large and small fire regulatory function, and this fire hole group also can arrange the fire hole of a plurality of different pore sizes as required certainly, realizes the adjusting of the multiple intensity of a fire.
The roof place that is positioned at the valve gap inner chamber of described the first pivot region also has the second arc boss portion and the 3rd arc boss portion, the height of the first arc boss portion is greater than the height of the second arc boss portion, the height of the second arc boss portion is greater than the height of the 3rd arc boss portion, and the second arc boss portion is directly connected with the 3rd arc boss portion; Between the first arc boss portion and the sidewall of the second arc boss portion, form the first front limit groove matching with lug boss, under the state at boss in the first front limit groove, described first fire hole and the first small fire hole are not all communicated with the first outlet passageway; At boss, under the state of the interface of the second arc boss portion and the 3rd arc boss portion, described first fire hole is just in time communicated with the first outlet passageway; Between the sidewall of the 3rd arc boss portion and adjusting element, form the first rear restraining groove matching with lug boss, under the state at boss in the first rear restraining groove, described the first small fire hole is just in time communicated with the first outlet passageway.Corresponding two kinds of fire holes arrange two arc boss portions at the roof of valve gap inner chamber, can to lug boss, carry out in corresponding fire hole position so spacingly, make it be fixed on corresponding fire hole position, guarantee gas valve working stability.
Between the upper-end surface of above-mentioned valve body and the 3rd arc boss portion, be formed with the first spacing for lug boss deflection, and the upper-end surface of valve body is provided with the first breach, the lug boss that this first breach Gong moves down is relative sliding within it; Process at valve rod band movable valve plug from fire hole closed condition toward the deflection of first fire hole direction, the lug boss moving down is slippage in this first breach just in time; Process at valve rod band movable valve plug from first fire hole state toward the first small fire hole direction deflection, described lug boss is just in time positioned at described the first spacing.The first breach has rotary spacing effect to lug boss the process from fire hole closed condition toward the deflection of first fire hole direction, and while regulating, press down valve rod rotation, when turning to the first breach opposite side sidewall gear, at this moment valve rod can not continue rotation, point out us to forward big fire hole site to, discharge valve rod, valve rod resets under spring action, and when the process of valve rod band movable valve plug from first fire hole state toward the first small fire hole direction deflection, in the first spacing that lug boss directly forms between the upper-end surface of valve body and the 3rd arc boss portion, at this moment without pressing down valve rod, directly rotation valve rod just can be realized the adjusting of Wang little Huo position, big fire position, therefore aforementioned structure makes the intensity of a fire adjustment operation of valve rod quite convenient.
Above-mentioned the second fire hole group comprises second largest fire hole and the second small fire hole; Lug boss on valve rod turns to adjusting element inconsistent and be subject to when spacing in the second pivot region, and described second largest fire hole and the second small fire hole are not all communicated with the second outlet passageway; During intermediateness in lug boss turns to the second pivot region, described second largest fire hole is just in time communicated with the second outlet passageway; At lug boss, turn to the second gear rank portion inconsistently and be subject to when spacing, described the second small fire hole is just in time communicated with the second outlet passageway.The second fire hole group arranges two large fire hole and two small fire holes, can realize and use source of the gas 1 to make to have large and small fire regulatory function, and this fire hole group also can arrange the fire hole of a plurality of different pore sizes as required certainly, realizes the adjusting of the multiple intensity of a fire.
The roof place that is positioned at the valve gap inner chamber of described the second pivot region also has the 4th arc boss portion and the 5th arc boss portion, the height of the 4th arc boss portion is greater than the height of the 5th arc boss portion, the height of the first arc boss portion is greater than the height of the 4th arc boss portion, and the 4th arc boss portion is directly connected with the 5th arc boss portion; The 4th arc boss portion and adjusting element between form the second front limit groove matching with lug boss, under the state at boss in the second front limit groove, described second largest fire hole and the second small fire hole are not all communicated with the second outlet passageway; At boss, under the state of the interface of the 4th arc boss portion and the 5th arc boss portion, described second largest fire hole is just in time communicated with the second outlet passageway; Between the 5th arc boss portion and the sidewall of the first arc boss portion, form the second rear restraining groove matching with lug boss, under the state at boss in the second rear restraining groove, described the second small fire hole is just in time communicated with the second outlet passageway.Corresponding two kinds of fire holes arrange two arc boss portions at the roof of valve gap inner chamber, can to lug boss, carry out in corresponding fire hole position so spacingly, make it be fixed on corresponding fire hole position, guarantee gas valve working stability.
Between the upper-end surface of above-mentioned valve body and the 5th arc boss portion, be formed with the second spacing for lug boss deflection, and the upper-end surface of valve body is provided with the second breach, the lug boss that this second breach Gong moves down is relative sliding within it; Process at valve rod band movable valve plug from fire hole closed condition toward the deflection of second largest fire hole direction, the lug boss moving down is slippage in this second breach just in time; Process at valve rod band movable valve plug from second largest fire hole state toward the second small fire hole direction deflection, described lug boss is just in time positioned at described the second spacing.The first breach has rotary spacing effect to lug boss the process from fire hole closed condition toward the deflection of first fire hole direction, and while regulating, press down valve rod rotation, when turning to the first breach opposite side sidewall gear, at this moment valve rod can not continue rotation, point out us to forward big fire hole site to, discharge valve rod, valve rod resets under spring action, and when the process of valve rod band movable valve plug from first fire hole state toward the first small fire hole direction deflection, in the first spacing that lug boss directly forms between the upper-end surface of valve body and the 3rd arc boss portion, at this moment without pressing down valve rod, directly rotation valve rod just can be realized the adjusting of Wang little Huo position, big fire position, therefore aforementioned structure makes the intensity of a fire adjustment operation of valve rod quite convenient.
Above-mentioned gas-entered passageway is positioned at the below of spool, on described spool, also wear push rod, the upper end of push rod contacts with the lower end surface of valve rod, the lower end of push rod passes the bottom surface of spring chamber and passes venting cavity, described spring housing is located on push rod, and the upper end of spring holds on the shoulder block on push rod top, and the lower end of spring holds on the back-up ring on sheathed and push rod, the upper seal ring that is also provided with of valve rod, sealing circle is positioned at the below of back-up ring.Push rod is set, can allows push rod move down under the promotion of valve rod, moving down of push rod can promote to be arranged on the solenoid valve in valve body, play safety assurance effect, certainly also can be designed to valve rod directly to pass spool, just can make like this stem structure more complicated, be inconvenient to process.
In above-mentioned spool, the outer circumferential face of venting cavity is up big and down small conical surface, in described valve body, is also conical surface with the corresponding surface of internal cavity of spool.The outer circumferential face of spool is that conical surface coordinates with the surface of internal cavity of valve body, and conical surface coordinates not only has axial constraint effect to spool, and can also guarantee that the outer circumferential face of spool and the surface of internal cavity of valve body fit closely air tight.
Compared with prior art, the utility model has the advantage of: this gas valve has two outlet passageways, two completely independently pivot region and two groups of fire hole groups that shift to install, due to the corresponding pivot region of an outlet passageway and one group of fire hole group, the fire hole group corresponding according to pivot region is different, the corresponding different combustion gas of different fire hole groups, we can corresponding source of the gas 1 by one of them outlet passageway like this, the corresponding source of the gas 2 of another outlet passageway, this gas valve is on being installed to kitchen range time, each outlet passageway passes through respectively flexible pipe, the corresponding gas nozzle that is applicable to corresponding source of the gas of installing of each hose end, each gas nozzle is all installed in the kitchen range of kitchen range, like this when using corresponding source of the gas, only valve rod need be switched to corresponding pivot region, the corresponding corresponding fire hole group of this pivot region and outlet passageway, at this moment only have the outlet passageway that is applicable to this source of the gas to supply combustion gas to kitchen range, another outlet passageway is in closed condition all the time, therefore it is general that this gas valve also can be realized two gas exchanges under the prerequisite that need not change gas nozzle, the handover operation of the pivot region of this gas valve is also quite convenient in addition, during switching, only need unscrew adjusting element, until adjusting element no longer stops lug boss, rotation valve rod, lug boss just can be crossed adjusting element and enter into second pivot region, spool also turns to relevant position with valve rod simultaneously, guarantee in this pivot region, rotational valve core can be communicated with corresponding outlet passageway corresponding fire hole group, after having switched, tighten again adjusting element downwards, make adjusting element stretch into valve gap inside, the rotary spacing of realization to lug boss, Primary regulation completes, this adjustment process is because of without changing nozzle, only need turn adjusting element with screwdriver set, rotation valve rod can be realized adjusting again, the knob that we can be corresponding on the kitchen range top is in addition, respective markers is set, prompting operation person's operation, without professional person oneself, also can carry out foolproof switching adjustment operation, design humanized.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's perspective view;
Fig. 2 is the utility model embodiment's working principle schematic diagram;
Fig. 3 is the utility model embodiment's sectional view (source of the gas 1 closes fiery state);
Fig. 4 is the relative position relation stereogram (source of the gas 1 closes fiery state) of valve rod and valve gap in the utility model embodiment;
Fig. 5 is the relative position relation stereogram (source of the gas 1 closes fiery state) of valve rod and valve body in the utility model embodiment;
Fig. 6 is the utility model embodiment's sectional view (source of the gas 1, big fire state);
Fig. 7 is the relative position relation stereogram (source of the gas 1, big fire state) of valve rod and valve gap in the utility model embodiment;
Fig. 8 is the relative position relation stereogram (source of the gas 1, big fire state) of valve rod and valve body in the utility model embodiment;
Fig. 9 is the utility model embodiment's sectional view (source of the gas 1, little fiery state);
Figure 10 is the relative position relation stereogram (source of the gas 1, little fiery state) of valve rod and valve gap in the utility model embodiment;
Figure 11 is the relative position relation stereogram (source of the gas 1, little fiery state) of valve rod and valve body in the utility model embodiment;
Figure 12 is the utility model embodiment's sectional view (source of the gas 2 closes fiery state);
Figure 13 is the relative position relation stereogram (source of the gas 2 closes fiery state) of valve rod and valve gap in the utility model embodiment;
Figure 14 is the relative position relation stereogram (source of the gas 2 closes fiery state) of valve rod and valve body in the utility model embodiment;
Figure 15 is the utility model embodiment's sectional view (source of the gas 2, big fire state);
Figure 16 is the relative position relation stereogram (source of the gas 2, big fire state) of valve rod and valve gap in the utility model embodiment;
Figure 17 is the relative position relation stereogram (source of the gas 2, big fire state) of valve rod and valve body in the utility model embodiment;
Figure 18 is the utility model embodiment's sectional view (source of the gas 2, little fiery state);
Figure 19 is the relative position relation stereogram (source of the gas 2, little fiery state) of valve rod and valve gap in the utility model embodiment;
Figure 20 is the relative position relation stereogram (source of the gas 2, little fiery state) of valve rod and valve body in the utility model embodiment;
Figure 21 is the perspective view of spool in the utility model embodiment;
Figure 22 is the perspective view of valve gap in the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Fig. 1～22, it is a preferred embodiment of the present utility model.
The gas valve that energy two gas exchange, comprise have gas-entered passageway 11 and outlet passageway 12,13 valve body 1, be located at spool 2 in valve body, be fixed by screws in the valve gap 3 of valve end, valve rod 4 that can 2 rotations of Timing Belt movable valve plug; Outlet passageway has two, is respectively the first outlet passageway 12 and the second outlet passageway 13, the first outlet passageways 12 and the second outlet passageway 13 and shifts to install up and down.
The bottom of spool 2 is provided with downward opening venting cavity 21, and in spool, the outer circumferential face 211 of venting cavity 21 is up big and down small conical surface, in valve body 1, is also conical surface with the corresponding surface of internal cavity 16 of spool.The top of spool 2 is provided with opening up spring chamber 22, valve rod 4 is movable enters spring chamber 22 through after valve gap 3, on the middle part side face of valve rod 4, there is the protruding lug boss of side 41, on the side face of spring chamber 22, have axial setting and the opening up slot 221 inserting for lug boss 41, lug boss 41 inserts in slot 221 and slippage up and down, rotation valve rod 4, lug boss 41 is conflicted and is coordinated and then be with movable valve plug 2 to rotate with slot 221.
On the sidewall of spool 2, have the fire hole being communicated with venting cavity 21, fire hole has two groups, is respectively the first fire hole group 23,24 and the second fire hole group 25,26, the first fire hole groups 23,24 and the second fire hole group 25,26 and shifts to install up and down.In spring chamber 22, be provided with the spring 10 that makes valve rod 4 keep the trend of moving, gas-entered passageway 11 is positioned at the below of spool 2, on spool 2, also wear push rod 7, the upper end of push rod 7 contacts with the lower end surface of valve rod 4, the lower end of push rod 7 passes the bottom surface of spring chamber 22 and passes venting cavity 21, spring 10 is set on push rod 7, the upper end of spring 10 holds on the shoulder block 71 on push rod 7 tops, the lower end of spring 10 holds on the back-up ring 8 on sheathed and push rod 7, the upper seal ring 9 that is also provided with of push rod 7, sealing circle 9 is positioned at the below of back-up ring 8.
The roof of valve gap 3 inner chambers has the first arc boss portion 31, the two side of the first arc boss portion 31 forms the first gear rank portion 311 of lug boss 41 rotary spacings and the second gear rank portion 312, on valve gap 3, be equipped with the adjusting element 5 that can move up and down, adjusting element 5 stretches into the inner chamber of valve gap 3 can be to lug boss 41 rotary spacings, adjusting element 5 in the present embodiment is for to be threaded in the screw on valve gap 3, and adjusting element 5 is threaded with valve gap 3.
Adjusting element 5 forms the first pivot region A to valve rod 4 rotary spacings together with the first gear rank portion 311, at valve rod 4 in the first pivot region A in rotary course, only have the first fire hole group 23,24 to be communicated with the first outlet passageway 12, and the second fire hole group 25,26 is blocked all the time with the second outlet passageway 13;
Adjusting element 5 forms the second pivot region B to valve rod 4 rotary spacings together with the second gear rank portion 312, at valve rod 4 in the second pivot region B in rotary course, only have the second fire hole group 25,26 to be communicated with the second outlet passageway 13, and the first fire hole group 23,24 is blocked all the time with the first outlet passageway 12.
On adjusting screw rod 5, move to the inner chamber that adjusting element 5 does not stretch into valve gap 3, valve rod 4 can be from a pivot region rotation to another pivot region.
In the present embodiment, the first fire hole group comprises first fire hole 23 and the first small fire hole 24; At lug boss 41, turn to the first gear rank portion 311 inconsistently and be subject to when spacing, first fire hole 23 and the first small fire hole 24 are not all communicated with the first outlet passageway 12; During intermediateness in lug boss 41 turns to the first pivot region A, first fire hole 23 is just in time communicated with the first outlet passageway 12; Lug boss 41 on valve rod 4 turns to adjusting element 5 inconsistent and be subject to when spacing in the first pivot region A, and the first small fire hole 24 is just in time communicated with the first outlet passageway 12.
The roof place that is positioned at valve gap 3 inner chambers of the first pivot region A also has the second arc boss portion 32 and the 3rd arc boss portion 33, the height of the first arc boss portion 31 is greater than the height of the second arc boss portion 32, the height of the second arc boss portion 32 is greater than the height of the 3rd arc boss portion 33, and the second arc boss portion 32 is directly connected with the 3rd arc boss portion 33; Between the first arc boss portion 31 and the sidewall of the second arc boss portion 32, form the first front limit groove 6a matching with lug boss 41, at lug boss 41, be positioned under the state of the first front limit groove 6a, first fire hole 23 and the first small fire hole 24 are not all communicated with the first outlet passageway 12; At lug boss 41, be positioned under the state of interface of the second arc boss portion 32 and the 3rd arc boss portion 33, first fire hole 23 is just in time communicated with the first outlet passageway 12; Between the sidewall of the 3rd arc boss portion 33 and adjusting element 5, form the first rear restraining groove 6b matching with lug boss 41, be positioned under the state of the first rear restraining groove 6b at lug boss 41, the first small fire hole 13 is just in time communicated with the first outlet passageway 12.
Between the upper-end surface of valve body 1 and the 3rd arc boss portion 33, be formed with the first spacing d1 for lug boss 41 deflections, and the upper-end surface of valve body 1 is provided with the first breach 14, the lug boss 41 that this first breach 14 Gong moves down is relative sliding within it; At valve rod 4, with movable valve plug 2 process from fire hole closed condition toward first fire hole 23 direction deflections, the lug boss 41 moving down is just in time in the interior slippage of this first breach 14; Valve rod 4 with movable valve plug 2 from first fire hole 12 states toward the process of the first small fire hole 13 direction deflections, lug boss 41 is just in time positioned at the first spacing d1.
The second fire hole group comprises second largest fire hole 25 and the second small fire hole 26; Lug boss 41 on valve rod turns to adjusting element 5 inconsistent and be subject to when spacing in the second pivot region B, and second largest fire hole 25 and the second small fire hole 26 are not all communicated with the second outlet passageway 13; During intermediateness in lug boss 41 turns to the second pivot region B, second largest fire hole 25 is just in time communicated with the second outlet passageway 13; At lug boss 41, turn to the second gear rank portion 312 inconsistently and be subject to when spacing, the second small fire hole 26 is just in time communicated with the second outlet passageway 13.
The roof place that is positioned at valve gap 3 inner chambers of the second pivot region B also has the 4th arc boss portion 34 and the 5th arc boss portion 35, the height of the 4th arc boss portion 34 is greater than the height of the 5th arc boss portion 35, the height of the first arc boss portion 31 is greater than the height of the 4th arc boss portion 34, and the 4th arc boss portion 34 is directly connected with the 5th arc boss portion 35; The 4th arc boss portion 34 and adjusting element 5 between form the second front limit groove 6c matching with lug boss 41, at lug boss 41, be positioned under the state of the second front limit groove 6c, second largest fire hole 25 and the second small fire hole 26 are not all communicated with the second outlet passageway 13; At lug boss 41, be positioned under the state of interface of the 4th arc boss portion 34 and the 5th arc boss portion 35, second largest fire hole 25 is just in time communicated with the second outlet passageway 13; Between the 5th arc boss portion 35 and the sidewall of the first arc boss portion 31, form the second rear restraining groove 6d matching with lug boss 41, be positioned under the state of the second rear restraining groove 6d at lug boss 41, the second small fire hole 26 is just in time communicated with the second outlet passageway 13.
Between the upper-end surface of valve body 1 and the 5th arc boss portion 35, be formed with the second spacing d2 for lug boss 41 deflections, and the upper-end surface of valve body 1 is provided with the second breach 15, the lug boss 41 that this second breach 15 Gong moves down is relative sliding within it; At valve rod 4, with movable valve plug 2 process from fire hole closed condition toward second largest fire hole 25 direction deflections, the lug boss 41 moving down is just in time in the interior slippage of this second breach 15; Valve rod 4 with movable valve plug 2 from second largest fire hole 25 states toward the process of the second small fire hole 26 direction deflections, lug boss 41 is just in time positioned at the second spacing d2.
No matter be in that the first pivot region A or the second pivot region B, lug boss 41 turns to its deflection of big fire state angle from closing fiery state is 75 °; The angle that lug boss 41 turns to little fiery its deflection of state from big fire state is 55 °, and it is 42 ° that its angle of rotating of starting end that is switched to another pivot region is held in the end that 41 1 pivot region of lug boss are rotated.
Using process and the principle of this gas valve are as follows:
As shown in Fig. 3～11, the source of the gas that this gas valve is used is source of the gas 1: the lug boss 41 on valve rod is at the first pivot region A intrinsic deflection, first fire hole 23 and the first small fire hole 24 can be communicated with the first outlet passageway 12, and second largest fire hole 25 and the second small fire hole 26 are blocked with the second outlet passageway 13 all the time;
As shown in Fig. 3～5, close fiery state, lug boss 41 is positioned at the first front limit groove 6a, and first fire hole 23 and the first small fire hole 24 are not all communicated with the first outlet passageway 12;
As shown in Fig. 6～8, from closing fiery state, be switched to big fire state, press down and rotation valve rod 41 band movable valve plug 2 synchronous rotaries, lug boss 41 moves down and departs from the first front limit groove 6a, and in the relative deflection of the first breach 14, until the opposite side sidewall of lug boss 41 and the first breach 14 is conflicted, at this moment be just in time positioned at big fire state, loose one's grip, valve rod 4 moves under spring 10 effect, lug boss 41 is positioned at the interface position of the second arc boss portion 32 and the 3rd arc boss portion 33 simultaneously, first fire hole 23 is just in time communicated with the first outlet passageway 12, source of the gas 2 is via gas-entered passageway 11, venting cavity 21, first fire hole 23, after the first outlet passageway 12, after flexible pipe through being connected with the first outlet passageway 12, be transported to corresponding gas nozzle again.
As shown in Fig. 9～11, from big fire state, be switched to little fiery state, directly rotation valve rod 41 is with movable valve plug 2 synchronous rotaries, lug boss 41 slides onto the first spacing d1 along the 3rd arc boss portion 33, continue slippage, until lug boss 41 enters in the first rear restraining groove 6b forming between the sidewall of the 3rd arc boss portion 33 and adjusting element 5, now the first small fire hole 24 is just in time communicated with the first outlet passageway 12, source of the gas 2 is via gas-entered passageway 11, venting cavity 21, the first small fire hole 24, after the first outlet passageway 12, after flexible pipe through being connected with first passage, be transported to corresponding gas nozzle again.
As shown in Figure 10,13, when the source of the gas that gas valve is used is transformed to source of the gas 2 by source of the gas 1: unscrew adjusting element 5, until adjusting element 5 no longer stops lug boss 41, rotation valve rod 4, lug boss 41 just can be crossed and regulate spiral shell 5 nails to enter into the second pivot region B, and spool 2 also turns to relevant position with valve rod 4 simultaneously, guarantee in the second pivot region B, after having switched, tighten again adjusting element 5 downwards, make adjusting element 5 stretch into valve gap 3 inside, realize the rotary spacing to lug boss 41.
As shown in Figure 12～20, the source of the gas that this gas valve is used is source of the gas 2: the lug boss 41 on valve rod is at the second pivot region B intrinsic deflection, second largest fire hole 25 and the second small fire hole 26 can be communicated with the second outlet passageway 13, and first fire hole 23 and the first small fire hole 24 are blocked with the first outlet passageway 12 all the time;
As shown in Figure 12～14, close fiery state, lug boss 41 is positioned at the second front limit groove 6c, and second largest fire hole 25 and the second small fire hole 26 are not all communicated with the second outlet passageway 13;
As shown in Figure 15～17, from closing fiery state, be switched to big fire state, press down and rotation valve rod 41 band movable valve plug 2 synchronous rotaries, lug boss 41 moves down and departs from the second front limit groove 6c, and in the relative deflection of the second breach 15, until the opposite side sidewall of lug boss 41 and the second breach 15 is conflicted, at this moment be just in time positioned at big fire state, loose one's grip, valve rod 4 moves under spring 10 effect, lug boss 41 is positioned at the interface position of the 4th arc boss portion 34 and the 5th arc boss portion 35 simultaneously, second largest fire hole 25 is just in time communicated with the second outlet passageway 13, source of the gas 2 is via gas-entered passageway 11, venting cavity 21, second largest fire hole 25, after the second outlet passageway 13, after flexible pipe through being connected with the second outlet passageway 13, be transported to corresponding gas nozzle again.
As shown in Figure 18～20, from big fire state, be switched to little fiery state, directly rotation valve rod 41 is with movable valve plug 2 synchronous rotaries, lug boss 41 slides onto the second spacing d2 along the 5th arc boss portion 35, continue slippage, until lug boss 41 enters in the second rear restraining groove 6d forming between the 5th arc boss portion 35 and the sidewall of the first arc boss portion 31, now the second small fire hole 26 is just in time communicated with the second outlet passageway 13, source of the gas 2 is via gas-entered passageway 11, venting cavity 21, the second small fire hole 26, after the second outlet passageway 13, after flexible pipe through being connected with the first outlet passageway 26, be transported to corresponding gas nozzle again.
Source of the gas 1 and source of the gas 2 can be liquid gas or rock gas.
Claims (10)
1. the gas valve that energy two gas exchange, comprise there is gas-entered passageway (11) and outlet passageway (12,13) valve body (1), be located at spool (2) in valve body, be fixed on the valve gap (3) of valve end, the valve rod (4) can Timing Belt movable valve plug (2) rotating; On the sidewall of described spool, have to be communicated with the fire hole of described gas-entered passageway (11) and outlet passageway (12,13);
It is characterized in that: described outlet passageway has two, be respectively the first outlet passageway (12) and the second outlet passageway (13), described fire hole has two groups, is respectively the first fire hole group (23,24) and the second fire hole group (25,26);
The sidepiece of described valve rod (4) is provided with can be with the lug boss (41) of valve rod (4) synchronous rotary, the roof of described valve gap (3) inner chamber is formed with the first gear rank portion (311) of described lug boss (41) rotary spacing and the second gear rank portion (312), on valve gap (3), be equipped with the adjusting element (5) that can move up and down, described adjusting element (5) stretches into the inner chamber of valve gap (3) can be to described lug boss (41) rotary spacing;
Described adjusting element (5) forms the first pivot region (A) to valve rod (4) rotary spacing together with the first gear rank portion (311), at valve rod (4) in the first pivot region (A) in rotary course, only have the first fire hole group (23,24) to be communicated with the first outlet passageway (12), and the second fire hole group (25,26) is blocked all the time with the second outlet passageway (13);
Described adjusting element (5) forms the second pivot region (B) to valve rod (4) rotary spacing together with the second gear rank portion (312), at valve rod (4) in the second pivot region (B) in rotary course, only have the second fire hole group (25,26) to be communicated with the second outlet passageway (13), and the first fire hole group (23,24) is blocked all the time with the first outlet passageway (12);
On adjusting element (5), move under the state of inner chamber that adjusting element (5) do not stretch into valve gap (3), valve rod (4) can be from a pivot region rotation to another pivot region.
2. the gas valve that energy two gas according to claim 1 exchange, it is characterized in that: the bottom of described spool (2) is provided with downward opening venting cavity (21), described fire hole is communicated with venting cavity (21), the top of spool (2) is provided with opening up spring chamber (22), valve rod (4) is movable enters spring chamber (22) through after valve gap (3), on the side face of described spring chamber (22), have axial setting and the opening up slot (221) inserting for lug boss (41), in described spring chamber (22), be provided with the spring (10) that makes to move in valve rod (4) maintenance trend; The roof of described valve gap (3) inner chamber has the first arc boss portion (31), and two sidewalls of the first arc boss portion (31) form respectively described the first gear rank portion (311) and the second gear rank portion (312).
3. the gas valve that energy two gas according to claim 1 exchange, it is characterized in that: described the first fire hole group (23,24) and the second fire hole group (25,26) shift to install up and down, described the first outlet passageway (12) and the second outlet passageway (13) shift to install up and down.
4. the gas valve that energy two gas according to claim 1 exchange, is characterized in that: described adjusting element (5) is screw, and this screw thread is connected on described valve gap (3).
5. the gas valve exchanging according to arbitrary described energy two gas of claim 1～4, is characterized in that: described the first fire hole group comprises first fire hole (23) and the first small fire hole (24); At lug boss (41), turn to the first gear rank portion (311) inconsistently and be subject to when spacing, described first fire hole (23) and the first small fire hole (24) are not all communicated with the first outlet passageway (12); During intermediateness in lug boss (41) turns to the first pivot region (A), described first fire hole (23) is just in time communicated with the first outlet passageway (12); Lug boss (41) on valve rod (4) turns to adjusting element (5) inconsistent and be subject to when spacing in the first pivot region (A), and described the first small fire hole (24) is just in time communicated with the first outlet passageway (12).
6. the gas valve that energy two gas according to claim 5 exchange, it is characterized in that: the roof place that is positioned at valve gap (3) inner chamber of described the first pivot region (A) also has the second arc boss portion (32) and the 3rd arc boss portion (33), the height of the first arc boss portion (31) is greater than the height of the second arc boss portion (32), the height of the second arc boss portion (32) is greater than the height of the 3rd arc boss portion (33), and the second arc boss portion (32) is directly connected with the 3rd arc boss portion (33); Between the first arc boss portion (31) and the sidewall of the second arc boss portion (32), form the first front limit groove (6a) matching with lug boss (41), at lug boss (41), be positioned under the state of the first front limit groove (6a), described first fire hole (23) and the first small fire hole (24) are not all communicated with the first outlet passageway (12); At lug boss (41), be positioned under the state of interface of the second arc boss portion (32) and the 3rd arc boss portion (33), described first fire hole (23) is just in time communicated with the first outlet passageway (12); Between the sidewall of the 3rd arc boss portion (33) and adjusting element (5), form the first rear restraining groove (6b) matching with lug boss (41), at lug boss (41), be positioned under the state of the first rear restraining groove (6b), described the first small fire hole (24) is just in time communicated with the first outlet passageway (12).
7. the gas valve that energy two gas according to claim 6 exchange, it is characterized in that: between the upper-end surface of described valve body (1) and the 3rd arc boss portion (33), be formed with the first spacing (d1) for lug boss (41) deflection, and the upper-end surface of valve body (1) is provided with the first breach (14), the lug boss (41) that this first breach (14) Gong moves down is relative sliding within it; Process at valve rod (4) band movable valve plug (2) from fire hole closed condition toward first fire hole (23) direction deflection, the lug boss moving down (41) is slippage in this first breach (14) just in time; Valve rod (4) band movable valve plug (2) from first fire hole (23) state toward the process of the first small fire hole (24) direction deflection, described lug boss (41) is just in time positioned at described the first spacing (d1).
8. the gas valve exchanging according to arbitrary described energy two gas of claim 1～4, is characterized in that: described the second fire hole group comprises second largest fire hole (25) and the second small fire hole (26); Lug boss on valve rod (41) turns to adjusting element (5) inconsistent and be subject to when spacing in the second pivot region (B), and described second largest fire hole (25) and the second small fire hole (26) are not all communicated with the second outlet passageway (13); During intermediateness in lug boss (41) turns to the second pivot region (B), described second largest fire hole (25) is just in time communicated with the second outlet passageway (13); At lug boss (41), turn to the second gear rank portion (312) inconsistently and be subject to when spacing, described the second small fire hole (26) is just in time communicated with the second outlet passageway (13).
9. the gas valve that energy two gas according to claim 8 exchange, it is characterized in that: the roof place that is positioned at valve gap (3) inner chamber of described the second pivot region (B) also has the 4th arc boss portion (34) and the 5th arc boss portion (35), the height of the 4th arc boss portion (34) is greater than the height of the 5th arc boss portion (35), the height of the first arc boss portion (31) is greater than the height of the 4th arc boss portion (34), and the 4th arc boss portion (34) is directly connected with the 5th arc boss portion (35); The 4th arc boss portion (34) and adjusting element (5) between form the second front limit groove (6c) matching with lug boss (41), at lug boss (41), be positioned under the state of the second front limit groove (6c), described second largest fire hole (25) and the second small fire hole (26) are not all communicated with the second outlet passageway (13); At lug boss (41), be positioned under the state of interface of the 4th arc boss portion (34) and the 5th arc boss portion (35), described second largest fire hole (25) is just in time communicated with the second outlet passageway (13); Between the 5th arc boss portion (35) and the sidewall of the first arc boss portion (31), form the second rear restraining groove (6d) matching with lug boss (41), at lug boss (41), be positioned under the state of the second rear restraining groove (6d), described the second small fire hole (26) is just in time communicated with the second outlet passageway (13).
10. the gas valve that energy two gas according to claim 9 exchange, it is characterized in that: between the upper-end surface of described valve body (1) and the 5th arc boss portion (35), be formed with the second spacing (d2) for lug boss (41) deflection, and the upper-end surface of valve body (1) is provided with the second breach (15), the lug boss (41) that this second breach (15) Gong moves down is relative sliding within it; Process at valve rod (4) band movable valve plug (2) from fire hole closed condition toward second largest fire hole (25) direction deflection, the lug boss moving down (41) is slippage in this second breach (15) just in time; Valve rod (4) band movable valve plug (2) from second largest fire hole (25) state toward the process of the second small fire hole (26) direction deflection, described lug boss (41) is just in time positioned at described the second spacing (d2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358595.3U CN203948710U (en) | 2014-06-30 | 2014-06-30 | The gas valve that a kind of energy two gas exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358595.3U CN203948710U (en) | 2014-06-30 | 2014-06-30 | The gas valve that a kind of energy two gas exchange |
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| Publication Number | Publication Date |
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| CN203948710U true CN203948710U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420358595.3U Withdrawn - After Issue CN203948710U (en) | 2014-06-30 | 2014-06-30 | The gas valve that a kind of energy two gas exchange |
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| CN (1) | CN203948710U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089048A (en) * | 2014-06-30 | 2014-10-08 | 宁波朝阳家用燃气具有限公司 | Gas valve capable of conducting two-gas interchange |
| CN104676035A (en) * | 2015-03-03 | 2015-06-03 | 虞上海 | Gas valve suitable for different gas sources |
| CN113230823A (en) * | 2021-05-13 | 2021-08-10 | 成都联帮医疗科技股份有限公司 | Multi-channel airflow switching device for medical molecular sieve oxygen generation system |
-
2014
- 2014-06-30 CN CN201420358595.3U patent/CN203948710U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089048A (en) * | 2014-06-30 | 2014-10-08 | 宁波朝阳家用燃气具有限公司 | Gas valve capable of conducting two-gas interchange |
| 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 |
| CN104676035A (en) * | 2015-03-03 | 2015-06-03 | 虞上海 | Gas valve suitable for different gas sources |
| CN104676035B (en) * | 2015-03-03 | 2017-01-18 | 虞上海 | Gas valve suitable for different gas sources |
| CN113230823A (en) * | 2021-05-13 | 2021-08-10 | 成都联帮医疗科技股份有限公司 | Multi-channel airflow switching device for medical molecular sieve oxygen generation system |
| CN113230823B (en) * | 2021-05-13 | 2022-06-14 | 成都联帮医疗科技股份有限公司 | Multi-channel airflow switching device for medical molecular sieve oxygen generation system |
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Granted publication date: 20141119 Effective date of abandoning: 20160420 |
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