TWI576543B - Gas cocks (a) - Google Patents
Gas cocks (a) Download PDFInfo
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- TWI576543B TWI576543B TW103116242A TW103116242A TWI576543B TW I576543 B TWI576543 B TW I576543B TW 103116242 A TW103116242 A TW 103116242A TW 103116242 A TW103116242 A TW 103116242A TW I576543 B TWI576543 B TW I576543B
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Description
本發明是有關於一種使操作軸旋動來供給瓦斯並調節瓦斯之流量的瓦斯旋塞。 The present invention relates to a gas cock that rotates an operating shaft to supply gas and regulate the flow of gas.
作為習知之此種瓦斯旋塞，為人所知的有使操作軸前端露出於外部，並安裝操作旋鈕等來使操作軸可旋動操作。該操作軸之基端安裝有圓錐台形狀的塞栓。該塞栓可自由旋轉地收納於錐孔形狀的收納孔，並藉由增減形成於塞栓周面之瓦斯通路孔與形成於收納孔周面之瓦斯通路孔的重疊面積，來增減通過兩瓦斯通路孔而對瓦斯燃燒器所供給的瓦斯流量。 As such a conventional gas cock, it is known that the front end of the operating shaft is exposed to the outside, and an operation knob or the like is attached to allow the operating shaft to be rotated. A plug of a truncated cone shape is mounted on the base end of the operating shaft. The plug is rotatably housed in the receiving hole of the tapered hole shape, and is increased or decreased by the overlap area of the gas passage hole formed in the circumferential surface of the plug and the gas passage hole formed in the circumferential surface of the receiving hole. The gas flow supplied to the gas burner by the passage hole.
又，為人所知的有在該操作軸安裝凸輪盤，並將凸輪盤與操作軸一起旋動，並且在該凸輪盤上面設置凹部，且藉由在該凸輪盤上面用彈簧板將所押接之鋼球嵌入於凹部，便在操作軸之旋動操作中有鍵音感產生(例如，參照專利文獻1)。 Further, it is known to mount a cam disc on the operating shaft, and to rotate the cam disc together with the operating shaft, and to provide a recess on the cam disc, and to use a spring plate on the cam disc When the steel ball is inserted into the concave portion, a key tone is generated in the rotation operation of the operation shaft (for example, refer to Patent Document 1).
[專利文獻1]日本特開2012-184890號公報(圖5、圖7~圖10) [Patent Document 1] Japanese Laid-Open Patent Publication No. 2012-184890 (Fig. 5, Fig. 7 to Fig. 10)
上述習知技術中，必須將使鋼球與凸輪盤上面押接之彈簧板安裝於凸輪盤上方，故，操作軸變長，瓦斯旋塞本身上下尺寸變大的不良情形便會產生。又，必須進行組裝而使鋼球不會脫落，因組裝步驟變得繁複，就會有鋼球保持脫落之狀態且流到組裝線之下游而瓦斯旋塞成為不良品之比率增加之虞產生。 In the above-mentioned conventional technique, it is necessary to attach a spring plate that urges the steel ball and the cam plate to the upper side of the cam plate. Therefore, the operation shaft becomes long, and the upper and lower dimensions of the gas cock itself become large. Moreover, it is necessary to assemble so that the steel ball does not fall off, and the assembly process becomes complicated, and the steel ball stays in a state of falling off and flows to the downstream of the assembly line, and the ratio of the gas cock to the defective product increases.
因此本發明有鑑於上述問題點，課題在於提供一種瓦斯旋塞，其是操作軸的長度不會變長，且不使用鋼球，卻可使鍵音感產生。。 Therefore, the present invention has been made in view of the above problems, and an object thereof is to provide a gas cock which does not have a long length of an operation shaft and which does not use a steel ball, but which can cause a key sensation. .
為了解決上述課題，本發明之瓦斯旋塞其是藉由將操作軸從全閉位置含括火力調節範圍地旋動以調節瓦斯的流量，並設置有與操作軸一起旋轉之凸輪盤及藉由該凸輪盤而開啟關閉的微動開關，並且利用微動開關檢測操作軸的旋轉相位，其特徵在於：在上述凸輪盤之內部設置空洞，且在凸輪盤內面設置凹部，並且設置位於凸輪盤之內部空間內且在該凹部之軌跡上與凸輪盤內面押接的彈性元件，藉由該彈性元件嵌於凹部而在操作軸之旋動操作中有鍵音感產生。 In order to solve the above problems, the gas cock of the present invention adjusts the flow rate of the gas by rotating the operating shaft from the fully closed position including the firepower adjustment range, and is provided with a cam disk that rotates together with the operating shaft and a cam plate is used to open the closed micro switch, and the micro-switch is used to detect the rotational phase of the operating shaft, wherein a cavity is disposed inside the cam plate, and a concave portion is disposed on the inner surface of the cam plate, and the inner space of the cam plate is disposed. The elastic member that is in contact with the inner surface of the cam plate on the trajectory of the recess is formed by the elastic member being embedded in the recess to generate a key sensation during the slewing operation of the operating shaft.
本發明中，收納於凸輪盤之內部空間內的彈性元件構造成使其嵌合於凸輪盤所形成的凹部藉此發出鍵音感。 In the present invention, the elastic member housed in the inner space of the cam plate is configured to be fitted to the concave portion formed by the cam plate to thereby emit a key sense.
而，在火力調節範圍內，瓦斯燃燒器中有停火產生之操作區域存在時，便不宜在該操作驅域停止操作軸之旋動。上述情形下，可在上述凸輪盤內面且在凹部之軌跡上，形成傾斜面於左右兩肩為連續之凸部，使操作軸在上述彈性元件押接於在該凸部連續之傾斜面的狀態下不會停止。 However, in the firepower adjustment range, when there is an operating area in the gas burner where the cease-fire occurs, it is not appropriate to stop the rotation of the operating shaft in the operating drive domain. In the above case, a convex portion may be formed on the inner surface of the cam plate and on the trajectory of the concave portion, and the left and right shoulders may be continuous convex portions, and the operating shaft may be attached to the inclined surface of the convex portion at the inclined surface of the convex portion. It will not stop in the state.
如從以上之說明可明瞭到，本發明並非採用藉由將鋼球嵌入於凹部來發出鍵音感，而是藉由在凸輪盤設置之凹部將彈性元件嵌合來發出鍵音感的構成。藉此，由於不需組裝小鋼球，因此可謀求組裝的步驟減少。又，由於將該彈性元件設於凸輪盤之內部空間內，因此可使操作軸尺寸變短。 As apparent from the above description, the present invention does not employ a configuration in which a key is sensed by embedding a steel ball in a concave portion, and the elastic element is fitted in a concave portion provided in the cam plate to emit a key sense. Thereby, since it is not necessary to assemble a small steel ball, the number of steps for assembly can be reduced. Further, since the elastic member is provided in the inner space of the cam plate, the size of the operating shaft can be shortened.
1‧‧‧瓦斯旋塞 1‧‧‧ gas cock
2‧‧‧操作軸 2‧‧‧Operating shaft
3‧‧‧上下板 3‧‧‧Up and down board
4‧‧‧彈簧 4‧‧‧ Spring
5‧‧‧凸輪 5‧‧‧ cam
6‧‧‧托架 6‧‧‧ bracket
8‧‧‧主副燃燒器 8‧‧‧Main and secondary burners
12、13‧‧‧流出口 12.13‧‧‧Export
14‧‧‧電磁安全閥 14‧‧‧Electromagnetic safety valve
15‧‧‧推桿 15‧‧‧Put
16‧‧‧搖動軸 16‧‧‧Shake axis
17‧‧‧搖動板 17‧‧‧ shaking plate
17a‧‧‧突起 17a‧‧‧ Protrusion
21‧‧‧軸部 21‧‧‧Axis
22‧‧‧溝 22‧‧‧ditch
31‧‧‧突起 31‧‧‧ Protrusion
32‧‧‧大孔部 32‧‧‧Major hole
33‧‧‧小孔部 33‧‧‧Small hole department
34‧‧‧作用點 34‧‧‧Point of action
41‧‧‧爪 41‧‧‧ claws
42‧‧‧卡合部 42‧‧‧Clock Department
51‧‧‧凸輪面 51‧‧‧ cam surface
52、53‧‧‧凹部 52, 53‧‧ ‧ recess
54‧‧‧凸部 54‧‧‧ convex
71、72‧‧‧微動開關 71, 72‧‧‧ micro switch
81‧‧‧主燃燒器 81‧‧‧Main burner
82‧‧‧副燃燒器 82‧‧‧Sub burner
a、b、c、d、e、f‧‧‧範圍 a, b, c, d, e, f‧‧‧ range
[圖1]是從本發明之瓦斯旋塞其中一方觀察的立體圖。 Fig. 1 is a perspective view of one of the gas cocks of the present invention.
[圖2]是從同瓦斯旋塞另一方觀察的立體圖。 Fig. 2 is a perspective view seen from the other side of the gas cock.
[圖3]是同瓦斯旋塞之分解圖。 [Fig. 3] is an exploded view of the same gas cock.
[圖4]是顯示凸輪之詳細的圖。 Fig. 4 is a view showing details of a cam.
[圖5]是顯示彈簧、上下板、及操作軸之關係的圖。 Fig. 5 is a view showing the relationship between a spring, an upper and lower plates, and an operation shaft.
[圖6]是針對操作軸之旋動相位來說明的圖。 Fig. 6 is a view for explaining a swirling phase of an operation shaft.
參照圖1至圖3，1是本發明之瓦斯旋塞的一例。本瓦斯旋塞1是從流入口導入瓦斯，並將所導入之瓦斯分歧成2個系統，從2個流出口12、13使瓦斯流出。8是主副燃燒器，並配管成使從兩流出口12、13流出之瓦斯朝主燃燒器81與副燃燒器82個別來供給。 1 to 3, 1 is an example of a gas cock of the present invention. The Benvas cock 1 introduces gas from the inflow port and divides the introduced gas into two systems, and the gas flows out from the two outflow ports 12 and 13. 8 is a primary and secondary burner, and is piped so that the gas flowing out from the two outlets 12, 13 is supplied individually to the main burner 81 and the sub-burner 82.
從兩流出口12、13瓦斯未流出之消火狀態，即從全閉狀態到對主副燃燒器8點火時，將操作軸2朝下方押入，並保持該押入的狀態並且朝左方旋動。 From the fire-extinguishing state in which the two-outlet outlets 12 and 13 do not flow out, that is, from the fully closed state to the ignition of the primary and secondary burners 8, the operating shaft 2 is pushed downward, and the pushed-in state is maintained and rotated to the left.
操作軸2安裝有與操作軸2一起上下移動的上下板3，藉由押下操作軸2，上下板3朝下方移動並使微動開關72開啟。如此一來，圖外之控制器檢測到將操作軸2押入的情形，使同為圖外之點火器動作，在主副燃燒器8附近斷續地使火花放電產生。 The operation shaft 2 is attached with an upper and lower plate 3 that moves up and down together with the operation shaft 2, and by pressing the operation shaft 2, the upper and lower plates 3 are moved downward and the micro switch 72 is opened. In this way, the controller outside the figure detects that the operating shaft 2 is pushed in, so that the igniter outside the figure operates, and the spark discharge is intermittently generated in the vicinity of the main and sub-burner 8.
在操作軸2，同樣與操作軸2一起上下移動且與操作軸2一起旋動之凸輪5會設於上下板3的上方。當在押入操作軸2之狀態下使操作軸2旋動時，凸輪5就使微動開關71開啟，上述控制器便可檢測到操作軸2旋動之情形。又，操作軸2下端安裝有未圖示之塞栓，當使操作軸2旋動時，塞栓亦就會一起旋動，從流出口12、13所流出之瓦斯的流量便會緩緩地增加。至少在塞栓之開度到達全開之前，在主副燃燒器8會確實進行點火。 In the operation shaft 2, the cam 5 which also moves up and down together with the operation shaft 2 and rotates together with the operation shaft 2 is provided above the upper and lower plates 3. When the operating shaft 2 is rotated while the operating shaft 2 is being pushed, the cam 5 causes the micro switch 71 to be opened, and the controller can detect the rotation of the operating shaft 2. Further, a plug (not shown) is attached to the lower end of the operating shaft 2. When the operating shaft 2 is rotated, the plugs are also rotated together, and the flow rate of the gas flowing out from the outlets 12 and 13 is gradually increased. At least the primary and secondary burners 8 will actually ignite before the opening of the plug reaches full opening.
又，14所示之位置內藏有電磁安全閥，當上述上下板3朝下方移動時，就使上述微動開關72開啟，並且將搖 動板17之突起17a押下。該搖動板17以搖動軸16為中心保持成可自由搖動，當將突起17a押下時，搖動板17就朝後方搖動，將推桿15朝後方壓押。 Further, an electromagnetic safety valve is housed in the position shown at 14, and when the upper and lower plates 3 are moved downward, the micro switch 72 is turned on and will be shaken. The projection 17a of the movable plate 17 is pushed down. The rocking plate 17 is held to be freely rockable about the rocking shaft 16, and when the projection 17a is pushed down, the rocking plate 17 is rocked rearward, and the pusher 15 is pressed rearward.
又，會構造成當將該推桿15朝後方壓押時，就會使上述電磁安全閥之閥體與電磁石押接，當以該狀態對主副燃燒器8之點火結束時，就由電磁石供給保持電流來吸附閥體。因此，點火結束且從操作軸2放手，藉此即使操作軸2往上方回復且搖動板17不使推桿15朝後方押入，電磁安全閥亦可繼續保持開閥狀態。 Further, when the push rod 15 is pressed rearward, the valve body of the electromagnetic safety valve is attached to the electromagnetic stone, and when the ignition of the main and sub-burner 8 is completed in this state, the electromagnet is used. A supply holding current is supplied to adsorb the valve body. Therefore, the ignition is completed and the hand is released from the operation shaft 2, whereby the electromagnetic safety valve can continue to be in the open state even if the operation shaft 2 is returned upward and the rocking plate 17 does not push the push rod 15 rearward.
參照圖4，凸輪5之外周面會成為用以使上述微動開關71開啟之凸輪面51。該凸輪5為中空，且內周面形成有2個凹部52、53與1個凸部54。 Referring to Fig. 4, the outer peripheral surface of the cam 5 becomes a cam surface 51 for opening the above-described micro switch 71. The cam 5 is hollow, and two concave portions 52 and 53 and one convex portion 54 are formed on the inner circumferential surface.
另一方面，如圖5所示，上下板3形成有1對之豎立狀之突起31，彈性元件即捲繞成圓形之彈簧4與突起31卡合。使構成彈簧4之線材的兩端朝內側折曲，來形成爪41。該爪41構造成使其與上述突起31卡合並相對於上下板3彈簧4不會旋轉。而，亦可使兩爪41朝下方折曲，並且在上下板3不是設置突起31而是孔，並在該孔將朝下方折曲之爪插入，藉此停止旋轉。 On the other hand, as shown in FIG. 5, the upper and lower plates 3 are formed with a pair of upright projections 31, and the elastic member, that is, the spring 4 wound in a circular shape is engaged with the projections 31. Both ends of the wire constituting the spring 4 are bent inward to form the claw 41. The claw 41 is configured such that it engages with the above-mentioned projection 31 and does not rotate with respect to the upper and lower plates 3 of the spring 4. Further, the two claws 41 may be bent downward, and the upper and lower plates 3 are not provided with the projections 31 but holes, and the claws which are bent downward are inserted in the holes, thereby stopping the rotation.
又，使卡合部42朝外側伸展來形成而使其與上述凹部52、53卡合，但將上述凹部52、53或凸部54形成於凸輪5之天花板面時，卡合部42會折曲地形成而使其朝上方升起。 Further, the engaging portion 42 is formed to extend outward and is engaged with the concave portions 52 and 53. However, when the concave portion 52, 53 or the convex portion 54 is formed on the ceiling surface of the cam 5, the engaging portion 42 is folded. The curved ground is formed and raised upwards.
另一方面，上下板3如上所述會與操作軸2一起上 下移動，但朝下方移動時，必須將微動開關72開啟，且押下突起17a。然而，由於使微動開關72或突起17a押下力作用的作用點34會從操作軸2分離，因此當對操作軸2安裝上下板3有溝縫產生時，上下板3就會傾斜且作用點34朝上方偏移，故，無法將推桿15充分朝後方押入又無法開啟微動開關72的不良情形就會產生。因此，在操作軸2，上下板3幾乎毫無間隙地嵌合，且在嵌合之狀態下形成操作軸2可旋轉之寬度尺寸的溝22，另一方，使操作軸2之軸部21可通過的大孔部32與直徑相近於溝22之底部之直徑的小孔部33連通形成於上下板3，使操作軸2通過大孔部32，之後，將小孔部33嵌合於溝22，藉此將上下板3對操作軸2毫無溝縫地來安裝。而，當組裝好瓦斯旋塞1時，由於托架6限制上下板3水平方向之移動，因此溝22不會往大孔部32側移動。 On the other hand, the upper and lower plates 3 will be attached to the operating shaft 2 as described above. Moving downward, but moving downward, the micro switch 72 must be opened and the projection 17a is depressed. However, since the action point 34 for causing the micro switch 72 or the protrusion 17a to be depressed is separated from the operation shaft 2, when the upper and lower plates 3 are attached to the operation shaft 2, the upper and lower plates 3 are inclined and the action point 34 is applied. When it is displaced upward, the problem that the pusher 15 cannot be pushed sufficiently backward and the micro switch 72 cannot be turned on is generated. Therefore, in the operation shaft 2, the upper and lower plates 3 are fitted with almost no gap, and in the fitted state, the groove 22 of the width of the rotation of the operation shaft 2 is formed, and the other side is such that the shaft portion 21 of the operation shaft 2 can be The large hole portion 32 that passes through is formed in communication with the small hole portion 33 having a diameter close to the bottom of the groove 22, and the operation shaft 2 passes through the large hole portion 32, and then the small hole portion 33 is fitted into the groove 22. Thereby, the upper and lower plates 3 are attached to the operating shaft 2 without any gaps. On the other hand, when the gas cock 1 is assembled, since the bracket 6 restricts the movement of the upper and lower plates 3 in the horizontal direction, the groove 22 does not move toward the large hole portion 32 side.
參照圖6，如上所述，從消火狀態，即從全閉狀態進行點火時，最初將操作軸2朝下方押入(a)。且，以維持該押入之狀態使操作軸2朝左方旋轉(b)。當將操作軸2旋動到強火位置(全開位置)為止時，彈簧4之卡合部42嵌入凹部52而有鍵音感產生，且，由於用以旋動操作軸2之扭矩增加，因此操作者便可得知其位置為全開位置。當如此以押入操作軸2之狀態來保持一定程度的時間時，主副燃燒器8之點火便會結束，電磁安全閥之閥體會吸附於電磁石。如以此狀態放手，操作軸2就會用未圖示之彈簧的勢能朝上方回復。如在從其全開狀態到全閉狀態為止之期間(c)旋動操作軸2，主副燃燒器8之火力便會增減。 Referring to Fig. 6, as described above, when the ignition is performed from the fire-extinguishing state, that is, from the fully-closed state, the operation shaft 2 is initially pushed downward (a). Further, the operation shaft 2 is rotated to the left (b) while maintaining the state of the push. When the operation shaft 2 is rotated to the strong fire position (fully open position), the engaging portion 42 of the spring 4 is fitted into the concave portion 52 to generate a key sensation, and since the torque for rotating the operation shaft 2 is increased, the operator You can know that its position is the fully open position. When the state of being pressed into the operating shaft 2 is maintained for a certain period of time, the ignition of the primary and secondary burners 8 ends, and the valve body of the electromagnetic safety valve is adsorbed to the electromagnet. When the hand is released in this state, the operating shaft 2 is returned upward by the potential energy of a spring (not shown). When the operating shaft 2 is rotated during the period from the fully open state to the fully closed state (c), the heating power of the primary and secondary burners 8 is increased or decreased.
接著，只使副燃燒器82為燃燒狀態時，越過全開位置進而使操作軸2朝左方旋動。d所示之範圍是兩燃燒器81、82共同為強火狀態而火力沒有變化，但卡合部42嵌合於下個凹部53，藉此使操作軸2暫時停止。進而當使操作軸2朝左方旋動時，只有主燃燒器81之火力被限縮(e)，但此e之範圍中，在主燃燒器81有逆火現象產生之虞，故，不欲使操作軸2在e之範圍內停止。因此，在凸輪5內面且在凹部之軌跡上，設有傾斜面於左右兩肩為連續之凸部54，使操作軸2以彈簧4押接於在該凸部54連續之傾斜面的狀態下不會停止。 Next, when only the sub-burner 82 is in the combustion state, the operation shaft 2 is rotated to the left side beyond the fully open position. The range indicated by d is that the two burners 81 and 82 are in a strong fire state and the heating power is not changed, but the engaging portion 42 is fitted to the next concave portion 53, whereby the operating shaft 2 is temporarily stopped. Further, when the operating shaft 2 is rotated to the left, only the fire power of the main burner 81 is limited (e), but in the range of e, the main burner 81 has a backfire phenomenon, so The operating shaft 2 is intended to stop within the range of e. Therefore, on the inner surface of the cam 5 and on the locus of the concave portion, the convex portion 54 having the inclined surface on the left and right shoulders is provided, and the operation shaft 2 is biased by the spring 4 to the continuous inclined surface of the convex portion 54. It won't stop.
彈簧4之卡合部42從d往e移行時，會嵌入凹部53，但為了使其更朝左旋動，卡合部42必須越過凸部54。故，要使操作軸2繼續旋動，便需要較大扭矩。如未越過凸部54，操作軸2會朝右方逆轉，但當越過凸部54之頂點時，由於扭矩就會急遽地變小，因此便會一口氣將操作軸2旋動到f的範圍。 When the engaging portion 42 of the spring 4 moves from d to e, the recess 53 is fitted, but in order to rotate it further to the left, the engaging portion 42 must pass over the convex portion 54. Therefore, in order for the operating shaft 2 to continue to rotate, a large torque is required. If the convex portion 54 is not passed, the operating shaft 2 will be reversed to the right, but when the apex of the convex portion 54 is passed, the torque will be sharply reduced, so that the operating shaft 2 will be rotated to the range of f in one breath. .
在進入到f之範圍的時點，主燃燒器81已消火，副燃燒器82以強火狀態在燃燒。當在f之範圍內更朝左方旋動時，可使副燃燒器82之火力限縮到最小火力為止。要從該狀態到將主副燃燒器8消火，只要將操作軸2朝右方旋動到消火位置為止即可。其途中再度越過凸部54，進而嵌入到凹部53時，再度在主燃燒器81生火。且，藉由依序地嵌入凹部53、52而鍵音感便會產生。 At the point of entry into the range of f, the main burner 81 has been fired, and the sub-burner 82 is burning in a strong fire state. When the rotation is further to the left within the range of f, the fire power of the sub-burner 82 can be limited to the minimum heating power. From this state to the firing of the main and sub-burner 8, it is only necessary to rotate the operating shaft 2 to the right to the fire extinguishing position. When it passes over the convex portion 54 again in the middle, and then is inserted into the concave portion 53, the main burner 81 is again fired. Further, a key tone is generated by sequentially fitting the concave portions 53, 52.
而，本發明並不限於上述形態，在不脫離本發明之要旨的範圍內增加各種變更亦無妨。 However, the present invention is not limited to the above-described embodiments, and various modifications may be added without departing from the scope of the invention.
1‧‧‧瓦斯旋塞 1‧‧‧ gas cock
2‧‧‧操作軸 2‧‧‧Operating shaft
3‧‧‧上下板 3‧‧‧Up and down board
4‧‧‧彈簧 4‧‧‧ Spring
5‧‧‧凸輪 5‧‧‧ cam
6‧‧‧托架 6‧‧‧ bracket
14‧‧‧電磁安全閥 14‧‧‧Electromagnetic safety valve
15‧‧‧推桿 15‧‧‧Put
16‧‧‧搖動軸 16‧‧‧Shake axis
17‧‧‧搖動板 17‧‧‧ shaking plate
17a‧‧‧突起 17a‧‧‧ Protrusion
31‧‧‧突起 31‧‧‧ Protrusion
71、72‧‧‧微動開關 71, 72‧‧‧ micro switch
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103116242A TWI576543B (en) | 2014-05-07 | 2014-05-07 | Gas cocks (a) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103116242A TWI576543B (en) | 2014-05-07 | 2014-05-07 | Gas cocks (a) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201542981A TW201542981A (en) | 2015-11-16 |
| TWI576543B true TWI576543B (en) | 2017-04-01 |
Family
ID=55220884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW103116242A TWI576543B (en) | 2014-05-07 | 2014-05-07 | Gas cocks (a) |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI576543B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW480323B (en) * | 1999-09-28 | 2002-03-21 | Rinnai Kk | Gas cock |
| TWI221893B (en) * | 2002-06-10 | 2004-10-11 | Rinnai Kk | Gas control device |
| JP2011226673A (en) * | 2010-04-16 | 2011-11-10 | Rinnai Corp | Rotary gas valve device |
| TW201239276A (en) * | 2011-03-01 | 2012-10-01 | Rinnai Kk | Gas stove device |
-
2014
- 2014-05-07 TW TW103116242A patent/TWI576543B/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW480323B (en) * | 1999-09-28 | 2002-03-21 | Rinnai Kk | Gas cock |
| TWI221893B (en) * | 2002-06-10 | 2004-10-11 | Rinnai Kk | Gas control device |
| JP2011226673A (en) * | 2010-04-16 | 2011-11-10 | Rinnai Corp | Rotary gas valve device |
| TW201239276A (en) * | 2011-03-01 | 2012-10-01 | Rinnai Kk | Gas stove device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201542981A (en) | 2015-11-16 |
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