WO2017197547A1 - 利于两气切换调节的两气通用燃气阀 - Google Patents

利于两气切换调节的两气通用燃气阀 Download PDF

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Publication number
WO2017197547A1
WO2017197547A1 PCT/CN2016/000567 CN2016000567W WO2017197547A1 WO 2017197547 A1 WO2017197547 A1 WO 2017197547A1 CN 2016000567 W CN2016000567 W CN 2016000567W WO 2017197547 A1 WO2017197547 A1 WO 2017197547A1
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WIPO (PCT)
Prior art keywords
hole
valve
gas
intake passage
positioning
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PCT/CN2016/000567
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English (en)
French (fr)
Inventor
李雪波
Original Assignee
李雪波
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Publication date
Priority claimed from CN201620448999.0U external-priority patent/CN205938067U/zh
Priority claimed from CN201620452273.4U external-priority patent/CN205896256U/zh
Priority claimed from CN201620923977.5U external-priority patent/CN206206675U/zh
Application filed by 李雪波 filed Critical 李雪波
Publication of WO2017197547A1 publication Critical patent/WO2017197547A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F16K5/10—Means for additional adjustment of the rate of flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply

Definitions

  • the invention relates to a gas valve suitable for use in two gas sources, in particular to a two-gas universal gas valve which is advantageous for two-gas switching adjustment.
  • the gas valve in the gas appliance is a manually operated valve that controls the supply of the gas source.
  • the ordinary gas valve generally comprises a valve body having an inlet passage and an outlet passage.
  • the valve body is provided with a rotatable valve core, the upper portion of the valve core has a spring chamber, the lower portion of the valve core is provided with a ventilation chamber, and the valve body is provided with a gas passage.
  • the valve stem that drives the valve core to rotate, the lower end of the valve stem is provided with a spring that keeps the valve stem up and away from the valve core.
  • the spring is located in the spring cavity on the valve core, and the side wall of the venting cavity of the valve core is opened. A large fire hole and a small fire hole that connect the intake passage and the outlet passage.
  • the outlet passage of the valve body is connected to the gas nozzle through the hose, and the gas nozzle enters the burner of the gas stove.
  • the user operates the valve stem through a knob provided on the operation panel of the gas stove, and by pressing the knob and turning the knob, The spool is driven to rotate, so that the large fire hole on the spool communicates with the intake passage in the valve body, and the air source can be ejected from the nozzle through the intake passage, the large fire hole, the ventilation chamber and the outlet passage for the burner to use.
  • the user continues to turn the knob to make the small fire hole on the valve core communicate with the intake passage in the valve body to reduce the flow passage of the gas source and achieve the purpose of reducing the fire.
  • the conversion of the gas stove between a large fire and a small fire can be achieved.
  • a gas valve that can be used interchangeably in the market.
  • the gas valve of two different gas sources has one end connected to the intake passage in the valve body, the other end is connected to the auxiliary intake passage of the cavity of the valve body, and an auxiliary intake hole matched with the auxiliary intake passage is added on the valve core.
  • the auxiliary intake passage is provided with an adjusting device for adjusting the gas flow rate in the auxiliary intake passage
  • the auxiliary intake passage includes a first passage communicating with the intake passage and a second passage communicating with the cavity in the valve body, And a third passage communicating with the first passage and the second passage, wherein one end of the third passage is exposed to the valve body, and the adjusting device is located at the Wherein the second channel is connected to the third channel, the adjusting device is an adjusting screw, and the adjusting screw is inserted from the end of the third channel exposed to the valve body into the third channel, and the inner end of the adjusting screw is
  • the through hole is perpendicular to the longitudinal direction thereof, and the end surface of the adjusting screw is provided with a small hole extending along the axial direction thereof, and the small hole communicates with the through hole, and the adjusting screw can move along the third passage to adjust the flow rate of the gas in the third passage.
  • the auxiliary intake passage When tightening the adjusting screw, the auxiliary intake passage has the minimum ventilation, which is suitable for the use of high-calorie liquefied gas. When the adjusting screw is loosened, the auxiliary intake passage is increased in ventilation, which is suitable for natural gas with low calorific value.
  • the outlet of the outlet passage of the ordinary valve body structure does not have a nozzle itself, and it is matched with the corresponding gas (natural gas or liquefied gas) through different external nozzles, and the cost of the external nozzle is high, which increases the use of the user. cost.
  • the technical problem to be solved by the present invention is to provide a two-gas universal gas valve capable of limiting the up and down adjustment of the adjusting screw, which is more convenient and user-friendly when performing gas switching adjustment.
  • a two-gas universal gas valve that facilitates two-gas switching adjustment, including a valve body having an inner cavity, and an air intake passage and an air outlet connecting the outside and the inner cavity in the valve body a passage, a first auxiliary intake passage communicating with the intake passage, a second auxiliary intake passage communicating with the cavity in the valve body, and a passage between the first auxiliary intake passage and the second auxiliary intake passage through the valve port
  • the valve body is further provided with a vertically arranged adjustment hole, and the adjustment hole is internally threaded with an adjustment screw for adjusting the flow rate of the gas passing through the valve port, and the adjustment screw is moved to the lowermost end in the tightening direction, and passes through
  • the gas flow rate of the valve port is the smallest;
  • the adjusting hole is provided with a limiting portion for the upper limit position of the adjusting screw, and the adjusting screw is moved to the loosening direction to contact with the limiting portion, and the valve is passed through the valve.
  • the valve body is formed by a valve housing and a valve cover connected by screws, and the valve cover is provided with a through hole for a screwdriver to pass through, and the position of the through hole matches the position of the adjustment hole to allow a screwdriver to pass through the valve.
  • the perforation of the cover enters the adjustment hole to adjust the adjustment screw, and the bottom surface of the valve cover located at the periphery of the perforation covers the upper end opening of the main adjustment hole to form the limit portion. Since the valve body itself is composed of a valve casing and a valve cover, the design uses the valve cover itself to form a limit portion, and no additional limit portion is required, and the bonnet area only needs to be increased during manufacture, and then a smaller diameter is opened with the valve cover.
  • the perforation of the adjustment hole can be adjusted, the design is more reasonable, and the installation requirements are low.
  • a blocking structure in the external adjustment hole such as an inner hole retaining ring, and the installation of the inner hole retaining ring is relatively complicated.
  • the outer periphery of the lower end of the adjusting screw has a tapered surface that engages with the valve port.
  • the tapered surface is arranged to better achieve a sealing fit with the valve port to prevent gas from passing through the valve port.
  • the adjusting screw has a fine hole passage therein, and an outlet end of the fine hole passage penetrates a bottom surface of the adjusting screw, and an inlet end of the fine hole passage penetrates a peripheral wall of the adjusting screw. After the adjusting screw is tightened, the tapered surface of the adjusting screw is completely in contact with the valve port, and the valve port is closed. At this time, the gas can only enter the first auxiliary intake passage through the fine hole passage, and the amount of gas passing through the valve port is minimum. The adjustment is more humane.
  • the second auxiliary intake passage is located below the first auxiliary intake passage. It is a specific arrangement of the first auxiliary intake passage and the second auxiliary intake passage, so that the adjustment hole is vertically arranged to facilitate layout.
  • the first auxiliary intake passage is obliquely disposed and extends below the valve port, and the second auxiliary intake passage is located below the valve port. It is another specific arrangement of the first auxiliary intake passage and the second auxiliary intake passage. Of course, the first auxiliary intake passage and the second auxiliary intake passage can be set as needed.
  • the above valve cover is fixed with a mounting bracket for mounting on the cooker panel, and the mounting bracket is provided with a positioning sleeve having a positioning hole, and the positioning hole in the positioning sleeve matches the perforation on the valve cover to make the screwdriver pass the positioning After the hole enters the perforation.
  • the positioning sleeve since the positioning sleeve has a certain height, it can extend to the upper surface of the mounting bracket to be flush with the mounting panel of the cooking appliance, so that the positioning sleeve can guide the screwdriver to ensure the screwdriver from the positioning sleeve After the positioning hole passes through, it is precisely inserted into the adjustment hole to adjust the adjustment screw.
  • the positioning hole is provided with an adjusting rod that can rotate about its own axis, and the lower end of the adjusting rod is inserted into the positioning groove of the top surface of the adjusting screw, and the top surface of the adjusting rod is provided with a positioning groove for facilitating the insertion of the screwdriver.
  • the positioning groove of the adjusting rod exposes the upper end opening of the positioning hole. Because the positioning groove of the adjusting rod reveals the upper end opening of the positioning hole, the direct space of the end surface of the cooker panel is also revealed, the screwdriver can conveniently rotate the adjusting rod, and the adjusting rod drives the adjusting screw to rotate, thereby adjusting and adjusting the adjusting screw. It is indicative and easy to adjust.
  • the bonnet has an upwardly convex protrusion, and the through hole is disposed on the protrusion.
  • the positioning hole in the positioning sleeve is a stepped hole that is large and small, and the large hole of the positioning hole is sleeved. On the convex portion. The convex portion and the large hole portion of the positioning hole are inserted and positioned to ensure accurate positioning of the positioning sleeve and facilitate installation.
  • the top surface of the mounting bracket is provided with a notch, and the top of the positioning sleeve has a side protrusion to be inserted into the positioning portion in the notch.
  • the positioning sleeve is further fixed to the mounting bracket by the gap and the positioning portion; the notch has an upwardly convex positioning post, and the limiting portion is provided with a positioning hole for the positioning post to be inserted. By positioning the positioning post and the positioning hole, the positioning sleeve and the fixing bracket are positioned more firmly.
  • a first sealing ring is disposed between the outer circumference of the adjusting rod and the inner wall of the positioning hole.
  • the arrangement of the first sealing ring prevents the adjustment lever from being easily detached from the positioning hole.
  • a second sealing ring is disposed between the outer circumference of the adjusting screw and the inner wall of the adjusting hole.
  • the end of the air outlet passage is screwed with a nozzle for reducing the outflow of the gas.
  • the structure allows the valve body itself to have a nozzle, and then the external nozzle can be installed to have two outlet passages (natural gas and liquefied gas passage) at the outlet end of the valve body, and the liquefied gas nozzle is pre-installed when the valve body is shipped. If you need to use the gas passage in the day, you only need to unscrew the liquefied gas nozzle to facilitate the user to switch between two different gas sources.
  • the invention has the advantages that: a limiting portion for adjusting the upper limit of the adjusting screw is arranged in the adjusting hole, so that when the adjusting screw is moved to contact with the limiting portion, the adjusting screw is blocked and Can not move up further, then the operator can be instructed.
  • the gas valve in this state has the largest gas flow through the valve port, which is suitable for natural gas use, to achieve fool-like operation, without the need for professional adjustment, and the design is more user-friendly.
  • FIG. 1 is a schematic perspective view of a first embodiment of the present invention
  • Figure 2 is a front elevational view of the first embodiment of the present invention
  • Figure 3 is a cross-sectional view taken along the line A-A of Figure 2 (the adjusting screw is located at the lowest position, suitable for liquefied gas);
  • Figure 4 is a cross-sectional view taken along line A-A of Figure 2 (the adjusting screw is located at the uppermost position and is blocked from the limiting portion, suitable for natural gas);
  • Figure 5 is a cross-sectional view taken along line B-B of Figure 4.
  • Figure 6 is a partial exploded perspective view of the first embodiment of the present invention.
  • FIG. 7 is a reference diagram of a use state according to Embodiment 1 of the present invention.
  • FIG. 8 is a schematic perspective view of a second embodiment of the present invention.
  • Figure 9 is a front elevational view of the second embodiment of the present invention.
  • Figure 10 is a cross-sectional view taken along line C-C of Figure 9 (the adjusting screw is located at the lowest position, suitable for liquefied gas);
  • Figure 11 is a cross-sectional view taken along line C-C of Figure 9 (the adjusting screw is located at the uppermost position and is blocked from the limiting portion, suitable for natural gas);
  • Figure 12 is a cross-sectional view along the central axis of the inner cavity and the direction of the central axis of the positioning sleeve;
  • Figure 13 is a partial exploded perspective view of a second embodiment of the present invention.
  • FIG. 14 is a reference diagram of a use state according to Embodiment 2 of the present invention.
  • a two-gas universal gas valve for facilitating two-gas switching adjustment comprising a valve body 1 having a cavity 2, an inlet passage 4 connecting the outside and the inner chamber 2, and an intake passage 4 a communicating first auxiliary intake passage 3a, a second auxiliary intake passage 3b communicating with the cavity 2 in the valve body, and a communication between the first auxiliary intake passage 3a and the second auxiliary intake passage 3b through the valve port 31,
  • the second auxiliary intake passage 3b is located below the first auxiliary intake passage 3a.
  • the valve body 1 is further provided with a vertically arranged adjusting hole 5, and the adjusting hole 5 is internally screwed with an adjusting screw 6 for adjusting the flow rate of the gas passing through the valve port 31, and the adjusting screw 6 is moved to the most in the tightening direction.
  • valve port 31 In the lower end state, the gas flow rate through the valve port 31 is the smallest, which is suitable for the use of the liquefied gas, as shown in FIG.
  • the valve body and the valve stem are arranged in the cavity, and the valve body is also provided with an air outlet passage communicating with the inner cavity, which can be referred to the background patent.
  • the improvement of the present invention is that the adjusting hole 5 is provided with a limiting portion 121 for the upper limit position of the adjusting screw 6, and is moved to the state of contact with the limiting portion 121 in the unscrewing direction of the adjusting screw 6, and passes through the valve port 31.
  • the gas flow is the largest.
  • the valve body 1 is formed by a valve housing 11 and a valve cover 12 which are connected by screws.
  • the valve cover 12 is provided with a through hole 122 through which a screwdriver passes.
  • the position of the through hole 122 matches the position of the adjustment hole 5 to make a screwdriver.
  • 10 passes through the perforation 122 in the valve cover and enters the adjustment hole 5 to adjust the adjustment screw 6.
  • the bottom surface of the valve cover 12 at the periphery of the perforation 122 covers the upper end opening of the main adjustment hole 5 to form the limiting portion 121.
  • the outer periphery of the lower end of the adjusting screw 6 has a tapered surface 61 that engages with the valve port 31.
  • a fine hole passage 62 is provided in the adjusting screw 6, and an outlet end of the fine hole passage 62 penetrates the bottom surface of the adjusting screw 6, and an inlet end of the fine hole passage 62 penetrates the peripheral wall of the adjusting screw 6.
  • a seal ring 63 is provided between the outer circumference of the adjusting screw 6 and the inner wall of the adjusting hole 5.
  • a limiting portion 121 for setting an upper limit position of the adjusting screw 6 is disposed in the adjusting hole 5, so that when the adjusting screw 6 is moved to contact with the limiting portion 121, the adjusting screw 6 cannot be moved up further, as shown in FIG. It can be indicated at this time that the state is the largest gas flow through the valve port, suitable for natural gas use, to achieve fool-like operation, no need for professional adjustment, and the design is more user-friendly.
  • a mounting bracket 7 for mounting on the cooktop panel 13 is fixed on the valve cover 12, and a positioning sleeve 8 having a positioning hole 81 is mounted on the mounting bracket 7, and the positioning hole 81 in the positioning sleeve 8 matches the through hole 122 on the valve cover 12. So that the screwdriver 10 enters the through hole 122 through the positioning hole 81.
  • the bonnet 12 has an upwardly convex protrusion 123.
  • the through hole 122 is disposed on the convex portion 123.
  • the positioning hole 81 in the positioning sleeve 8 is a stepped hole with a large upper and a small size, and a large hole of the positioning hole 81.
  • the portion is sleeved on the convex portion 123.
  • the top surface of the mounting bracket 7 is provided with a notch 71, and the top of the positioning sleeve 8 has a side portion convex to be inserted into the positioning portion 82 in the notch 71.
  • the notch 71 has an upwardly convex positioning post 711, and the positioning portion 82 is provided with a positioning hole 821 for the positioning post 711 to be inserted.
  • the gas valve is installed on the cooker panel 13 through the mounting bracket. Because there is a certain distance between the adjusting hole 6 and the cooker panel 9, the screwdriver cannot easily adjust the adjustment hole after passing through the hole of the cooktop panel.
  • the positioning sleeve can be extended to the cooktop panel 13 and exposed by the positioning sleeve 8 to guide the insertion of the screwdriver 10, and ensure that the screwdriver is accurately inserted into the adjustment hole 6 to adjust the adjusting screw 6.
  • the design is more humane.
  • the present embodiment differs from the first embodiment in that the first auxiliary intake passage 3a is disposed obliquely and extends below the valve port, and the second auxiliary intake passage 3b is located above the valve port 31.
  • the positioning hole 81 of the positioning sleeve 8 is provided with an adjusting rod 9 which is rotatable about its own axis. The lower end of the adjusting rod 9 is inserted into the positioning groove 61 of the top surface of the adjusting screw 6. The top surface of the adjusting rod 9 is provided with a screwdriver for insertion.
  • the positioning groove 91 and the positioning groove 91 of the adjustment lever expose the upper end opening of the positioning hole 81.
  • the gas valve is mounted on the cooktop panel 13 or the oven panel through the mounting bracket due to the positioning.
  • the sleeve 8 has a certain height, which can be extended to the mounting panel 13 of the cooker and is exposed.
  • the positioning groove 91 of the adjusting rod also reveals the mounting panel 10 of the cooker, and the adjusting rod 9 can be conveniently rotated. 9 will further rotate the adjusting screw 6 to realize the adjustment of the adjusting screw 6.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

一种利于两气切换调节的两气通用燃气阀，包括阀体(1)，阀体(1)内设进气通道(4a)、第一辅助进气通道(3a)、第二辅助进气通道(3b)，第一辅助进气通道(3a)和第二辅助进气通道(3b)之间通过阀口(31)连通，阀体(1)内还设调节孔(5)，调节孔(5)内螺纹连接有调节螺钉(6)，在调节螺钉(6)朝拧紧方向下移至最下端的状态下，通过阀口(31)的燃气流量最小；调节孔(5)内设有限位部(121)，且在调节螺钉(6)朝拧松方向上移至与限位部(121)接触状态，通过阀口(31)的燃气流量最大。调节螺钉(6)上移至与限位部(121)接触状态，阻挡调节螺钉(6)，使其不能再进一步上移，这时便可指示操作者，该状态下的燃气阀通过阀口的燃气流量最大，适合天然气使用。

Description

利于两气切换调节的两气通用燃气阀 技术领域
本发明涉及一种适合两种气源使用的燃气阀，尤其涉及一种利于两气切换调节的两气通用燃气阀。
背景技术
燃气具中的燃气阀，是控制气源供应的手动操作阀。普通的燃气阀一般包括开有进气通道和出气通道的阀体，阀体内设有能旋转的阀芯，阀芯上部具有弹簧腔，阀芯下部设有通气腔，阀体上穿设有能带动阀芯旋转的阀杆，阀杆的下端设有使阀杆保持上移并脱离与阀芯连接趋势的弹簧，弹簧位于阀芯上的弹簧腔内，阀芯的通气腔侧壁上开有用以连通进气通道和出气通道的大火孔和小火孔。使用时，阀体的出气通道通过软管与燃气喷嘴连接，燃气喷嘴进入燃气灶的燃烧器内，使用者通过设置在燃气灶的操作面板上的旋钮操作阀杆，通过按压旋钮并转动旋钮，带动阀芯转动，使阀芯上的大火孔与阀体内的进气通道相连通，气源可以通过进气通道、大火孔、通气腔和出气通道而从喷嘴喷出，供燃烧器使用。要调小火势时，使用者继续转动旋钮，使阀芯上的小火孔与阀体内的进气通道连通，减小气源的流通通道而达到减小火势的目的。通过转动阀芯，即可实现燃气灶在大火和小火之间的转换。
现如今，多种能源得到开发利用，改变了原有能源单一的现象，如液化石油气、天然气、二甲醚等作为多种气源，在燃气具中的共同应用已越来越为广泛。当不同种类的气源共同并存而需要互换时，不同燃气其热值各不相同，又因燃气阀中小火孔的大小一定，故针对热值高的燃气，燃气阀的小火孔较小，而热值低的燃气，燃气阀的小火孔较大。在如今能源短缺的时代，在许多国家经常会有整个居民区的气源需要改变的事情发生，由于气源的不同会引起燃气具所需的燃气流通量不同，因而原先安装的只针对一种燃气的普通燃气阀及相应的喷嘴均需要更换，极大增加了改换成本，不利于新气源的推广应用，也不利于气源更换工作的实施进行。
针对前述现状，目前市场上也出现了一种可以两气互换使用的燃气阀，如号为CN204573158U(专利号为ZL201520240504.0)的中国实用新型专利《一种燃气阀》披露了一种适用两种不同气源的燃气阀，在阀体内增设一端连通至进气通道，另一端连通至阀体的空腔的辅助进气通道，阀芯上增设与辅助进气通道配合的辅助进气孔，辅助进气通道内设有对辅助进气通道内的燃气流量进行调节的调节装置，辅助进气通道包括与进气通道连通的第一通道，与阀体内的空腔连通的第二通道，以及与所述第一通道和第二通道分别连通的第三通道，所述第三通道的一端端部露出于所述阀体，调节装置位于所 述第二通道与第三通道相连接的位置，调节装置为一调节螺钉，调节螺钉从该第三通道露出于阀体的端部插入位于所述第三通道内，调节螺钉的内侧端部上设有与其长度方向垂直的通孔，调节螺钉的端面设有沿其轴向延伸的小孔，小孔连通至通孔，调节螺钉能沿第三通道运动进而调节第三通道内燃气流量的大小。当拧紧调节螺钉时，辅助进气通道的通气量最小，适合高热值的液化气使用，当拧松调节螺钉时，辅助进气通道的通气量增加，适合低热值的天然气使用。
但前述燃气阀存在以下两个技术问题：
1、即在拧紧调节螺钉时，我们可以确定其适合液化气使用，但在拧松过程时，我们不确定是否拧松到位，如何只拧松一点，此时辅助进气通道的进气量可能还是很小，依旧不适合天然气使用，如拧松过头，则存在漏气的可能。
2、因燃气阀在使用时，安装在燃气灶具的内部，调节螺钉与燃气灶具的面板之间有一段间距，这样当螺丝刀从燃气灶具面板的调节孔伸入后，不易对准调节螺钉，故不方便对调节螺钉的调节，设计欠缺人性化。
3、普通的阀体结构的出气通道出口处自身不具有喷嘴，其通过不同的外置喷嘴，实现与相应燃气(天然气或液化气)的配套，外置的喷嘴成本高，增加了用户的使用成本。
发明内容
本发明所要解决的技术问题是针对上述现有技术现状而提供一种调节螺钉上下调节均可限位的两气通用燃气阀，该燃气阀在进行燃气切换调节时更方便及人性化。
本发明解决上述技术问题所采用的技术方案为：一种利于两气切换调节的两气通用燃气阀，包括具有内腔的阀体，阀体内设有连通外界和内腔的进气通道和出气通道，及与进气通道连通的第一辅助进气通道、与阀体内的空腔连通的第二辅助进气通道，第一辅助进气通道和第二辅助进气通道之间通过阀口连通，阀体内还设有竖向设置的调节孔，调节孔内螺纹连接有对通过所述阀口的燃气流量进行调节的调节螺钉，在调节螺钉朝拧紧方向下移至最下端的状态下，通过阀口的燃气流量最小；其特征在于：所述调节孔内设有对调节螺钉进行上限位的限位部，且在调节螺钉朝拧松方向上移至与所述限位部接触状态，通过阀口的燃气流量最大。
作为优选，上述阀体由阀壳和阀盖通过螺钉连接在一起形成，所述阀盖上开有供螺丝刀穿过的穿孔，该穿孔的位置与所述调节孔的位置相配使螺丝刀穿过阀盖上的穿孔后进入到调节孔内以调节调节螺钉，位于该穿孔周缘的阀盖底面部分遮盖主所述调节孔的上端开口以形成所述限位部。因阀体本身是由阀壳和阀盖组成，本设计利用阀盖本身形成限位部，无需额外增设限位部，制造时只需将阀盖面积增加，再与阀盖上开一个孔径小于调节孔的穿孔即可，设计更为合理，对安装要求低。当然也可而外在调节孔内增设阻挡结构，如内孔挡圈，内孔挡圈的安装就相对复杂。
上述调节螺钉的下端外周具有与所述阀口配合的锥形面。锥形面的设置能更好实现与阀口的密封配合，防止燃气通过阀口。上述调节螺钉内设有细孔通道，细孔通道的出口端贯穿调节螺钉的底面，细孔通道的进口端贯穿调节螺钉的周壁。这样将调节螺钉拧紧后，调节螺钉的锥形面与阀口完全接触，阀口关闭，这时燃气只能经由细孔通道进入第一辅助进气通道内，这时通过阀口的燃气量最小，调节更人性化。
上述第二辅助进气通道位于第一辅助进气通道的下方。其为第一辅助进气通道和第二辅助进气通道的具体设置方式，这样可保证调节孔竖直设置，利于布局。
上述第一辅助进气通道倾斜设置并延伸至阀口下方，所述第二辅助进气通道位于阀口的下方。其为第一辅助进气通道和第二辅助进气通道的另一种具体设置方式，当然第一辅助进气通道和第二辅助进气通道可根据需要设置。
进一步改进，上述阀盖上固定有用以安装在灶具面板上的安装支架，安装支架上安装有具有定位孔的定位套，定位套内的定位孔与阀盖上的穿孔匹配，以使螺丝刀经由定位孔后进入穿孔内。通过定位套的设置，因定位套有一定高度，其可延伸至安装支架的上表面，以与灶具的安装面板齐平，这样定位套就会对螺丝刀起到导向作用，确保螺丝刀从定位套的定位孔穿过后，精确插入调节孔内，对调节螺钉进行调节。
更进一步改进，上述定位孔内穿设有能绕自身轴线旋转的调节杆，调节杆的下端插入调节螺钉顶面的定位槽中，调节杆的顶面设有方便螺丝刀插入的定位槽，所述调节杆的定位槽显露出定位孔的上端开口。因调节杆的定位槽显露出定位孔的上端开口，即也显露出灶具面板端面直接空间，螺丝刀能很方便的转动调节杆，调节杆又会带动调节螺钉旋转，实现对调节螺钉的调节，调节具有指示性，调节便捷。
进一步优化，上述阀盖上具有向上凸起的凸部，所述穿孔设置在该凸部上，所述定位套内的定位孔为下大上小的阶梯孔，定位孔的大孔部套设在所述凸部上。凸部与定位孔的大孔部插配定位，确保定位套安装位置准确，利于安装。
更进一步优化，上述安装支架的顶面设有缺口，定位套的顶部具有侧凸以插入缺口内的定位部。通过缺口与定位部的限位，进一步将定位套相对固定在安装支架上；上述缺口内具有上凸的定位柱，所述限位部上开有供定位柱插配的定位孔。通过定位柱与定位孔的插配，使定位套与固定支架定位更牢靠。
上述调节杆外周与定位孔内孔壁之间设有第一密封圈。第一密封圈的设置防止调节杆轻易从定位孔脱离。为防止燃气从调节孔漏出，上述调节螺钉外周与调节孔内孔壁之间设有第二密封圈。
进一步改进，上述出气通道的末端螺纹连接有使燃气流出量变小的喷嘴。该结构使得阀体本身可以自带一个喷嘴，然后再通过安装外置喷嘴可以使得阀体出气端拥有两种出气通道(天然气和液化气通道)，阀体出货时预先安装好液化气喷嘴，如需天使用然气通道时，仅需要将液化气喷嘴拧下即可，方便用户切换两种不同气源。
与现有技术相比，本发明的优点在于：在调节孔内设有对调节螺钉进行上限位的限位部，这样当调节螺钉上移至与限位部接触状态，阻挡调节螺钉，使其不能再进一步上移，这时便可指示操作者，该状态下的燃气阀通过阀口的燃气流量最大，适合天然气使用，以实现傻瓜式操作，无需专业人员进行调节，设计更人性化。
附图说明
图1为本发明实施例一的立体结构示意图；
图2为本发明实施例一的主视图；
图3为图2的A-A向剖视图(调整螺钉位于最下方位置，适合液化气)；
图4为图2的A-A向剖视图(调整螺钉位于最上方位置并与限位部挡配，适合天然气)；
图5为图4的B-B向剖视图；
图6为本发明实施例一的局部立体分解图；
图7为本发明实施例一的使用状态参考图；
图8为本发明实施例二的立体结构示意图；
图9为本发明实施例二的主视图；
图10为图9的C-C向剖视图(调整螺钉位于最下方位置，适合液化气)；
图11为图9的C-C向剖视图(调整螺钉位于最上方位置并与限位部挡配，适合天然气)；
图12为沿内腔中轴线和定位套中轴线方向的向剖视图；
图13为本发明实施例二的局部立体分解图；
图14为本发明实施例二的使用状态参考图。
具体实施方式
以下结合附图实施例对本发明作进一步详细描述。
如图1～7所示，为本发明的第一个实施例。
一种利于两气切换调节的两气通用燃气阀，包括具有内腔2的阀体1，阀体1内设有连通外界和所述内腔2的进气通道4，及与进气通道4连通的第一辅助进气通道3a、与阀体内的空腔2连通的第二辅助进气通道3b，第一辅助进气通道3a和第二辅助进气通道3b之间通过阀口31连通，第二辅助进气通道3b位于第一辅助进气通道3a的下方。阀体1内还设有竖向设置的调节孔5，调节孔5内螺纹连接有对通过所述阀口31的燃气流量进行调节的调节螺钉6，在调节螺钉6朝拧紧方向下移至最下端的状态下，通过阀口31的燃气流量最小，适合液化气使用，如图3所示。作为完整的燃气阀，当然在内 腔中设有阀芯、阀杆，阀体上还设有与内腔相通的出气通道，这些可参考背景专利。
本发明的改进点在于：调节孔5内设有对调节螺钉6进行上限位的限位部121，且在调节螺钉6朝拧松方向上移至与限位部121接触状态，通过阀口31的燃气流量最大。阀体1由阀壳11和阀盖12通过螺钉连接在一起形成，所述阀盖12上开有供螺丝刀穿过的穿孔122，该穿孔122的位置与所述调节孔5的位置相配使螺丝刀10穿过阀盖上的穿孔122后进入到调节孔5内以调节调节螺钉6，位于该穿孔122周缘的阀盖12底面部分遮盖主所述调节孔5的上端开口以形成限位部121。
调节螺钉6的下端外周具有与所述阀口31配合的锥形面61。调节螺钉6内设有细孔通道62，细孔通道62的出口端贯穿调节螺钉6的底面，细孔通道62的进口端贯穿调节螺钉6的周壁。调节螺钉6外周与调节孔5内孔壁之间设有密封圈63。
在调节孔5内设有对调节螺钉6进行上限位的限位部121，这样当调节螺钉6上移至与限位部121接触状态，即调节螺钉6不能再进一步上移，如图4所示，这时便可指示，该状态为通过阀口的燃气流量最大，适合天然气使用，以实现傻瓜式操作，无需专业人员进行调节，设计更人性化。
阀盖12上固定有用以安装在灶具面板13上的安装支架7，安装支架7上安装有具有定位孔81的定位套8，定位套8内的定位孔81与阀盖12上的穿孔122匹配，以使螺丝刀10经由定位孔81后进入穿孔122内。阀盖12上具有向上凸起的凸部123，所述穿孔122设置在该凸都123上，所述定位套8内的定位孔81为下大上小的阶梯孔，定位孔81的大孔部套设在所述凸部123上。安装支架7的顶面设有缺口71，所述定位套8的顶部具有侧凸以插入缺口71内的定位部82。缺口71内具有上凸的定位柱711，所述定位部82上开有供定位柱711插配的定位孔821。
如图7所示，本燃气阀通过安装支架安装在灶具面板13上，因调节孔6与灶具面板9之间有一定间距，故螺丝刀从灶具面板的孔穿过后，不能轻易对照调节孔，调节不方便，本实施例通过定位套8的设置，定位套可延伸至灶具面板13上并显露出来，对螺丝刀10的插入起到导向作用，确保螺丝刀精准插入调节孔6内对调节螺钉6进行调节，设计更为人性化。
如图8～14所示，为本发明的第二个实施例。
本实施例和第一个实施例的不同点在于：第一辅助进气通道3a倾斜设置并延伸至阀口下方，第二辅助进气通道3b位于阀口31的上方。定位套8的定位孔81内穿设有能绕自身轴线旋转的调节杆9，调节杆9的下端插入调节螺钉6顶面的定位槽61中，调节杆9的顶面设有方便螺丝刀插入的定位槽91，调节杆的定位槽91显露出定位孔81的上端开口。
如图7所示，本燃气阀通过安装支架安装在灶具面板13或者烤炉面板上，因定位 套8有一定高度，其可延伸至与灶具的安装面板13上并显露出来，同时，调节杆的定位槽91也显露出灶具的安装面板10螺丝刀便可很方便的转动调节杆9，调节杆9又会带动调节螺钉6旋转，实现对调节螺钉6的调节。
尽管以上详细地描述了本发明的优选实施例，但是应该清楚地理解，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (11)

  1. 一种利于两气切换调节的两气通用燃气阀，包括具有内腔(2)的阀体(1)；
    阀体(1)内设有连通外界和内腔(2)的进气通道(4a)和出气通道(4b)，及与进气通道(4a)连通的第一辅助进气通道(3a)、与阀体内的空腔(2)连通的第二辅助进气通道(3b)，第一辅助进气通道(3a)和第二辅助进气通道(3b)之间通过阀口(31)连通；
    阀体(1)内还设有竖向设置的调节孔(5)，调节孔(5)内螺纹连接有对通过所述阀口(31)的燃气流量进行调节的调节螺钉(6)，在调节螺钉(6)朝拧紧方向下移至最下端的状态下，通过阀口(31)的燃气流量最小；
    其特征在于：所述调节孔(5)内设有对调节螺钉(6)进行上限位的限位部(121)，且在调节螺钉(6)朝拧松方向上移至与所述限位部(121)接触状态，通过阀口(31)的燃气流量最大。
  2. 根据权利要求1所述的燃气阀，其特征在于：所述阀体(1)由阀壳(11)和阀盖(12)通过螺钉连接在一起形成，所述阀盖(12)上开有供螺丝刀穿过的穿孔(122)，该穿孔(122)的位置与所述调节孔(5)的位置相配使螺丝刀(10)穿过阀盖上的穿孔(122)后进入到调节孔(5)内以调节调节螺钉(6)，位于该穿孔(122)周缘的阀盖(12)底面部分遮盖主所述调节孔(5)的上端开口以形成所述限位部(121)。
  3. 根据权利要求1所述的燃气阀，其特征在于：所述调节螺钉(6)的下端外周具有与所述阀口(31)配合的锥形面(61)；所述调节螺钉(6)内设有细孔通道(62)，细孔通道(62)的出口端贯穿调节螺钉(6)的底面，细孔通道(62)的进口端贯穿调节螺钉(6)的周壁。
  4. 根据权利要求1所述的用燃气阀，其特征在于：所述第二辅助进气通道(3b)位于第一辅助进气通道(3a)的下方。
  5. 根据权利要求1所述的燃气阀，其特征在于：所述第一辅助进气通道(3a)倾斜设置并延伸至阀口下方，所述第二辅助进气通道(3b)位于阀口(31)的上方。
  6. 根据权利要求2所述的燃气阀，其特征在于：所述阀盖(12)上固定有用以安装在灶具面板上的安装支架(7)，安装支架(7)上安装有具有定位孔(81)的定位套(8)，定位套(8)内的定位孔(81)与阀盖(12)上的穿孔(122)匹配。
  7. 根据权利要求6所述的燃气阀，其特征在于：所述定位孔(81)内穿设有能绕自身轴线旋转的调节杆(9)，调节杆(9)的下端插入调节螺钉(6)顶面的定位槽(61)中，调节杆(9)的顶面设有方便螺丝刀插入的定位槽(91)，所述调节杆的定位槽(91)显露出定位孔(81)的上端开口。
  8. 根据权利要求6所述的燃气阀，其特征在于：所述阀盖(12)上具有向上凸起的凸部(123)，所述穿孔(122)设置在该凸部(123)上，所述定位套(8)内的定位孔(81)为下大上小的阶梯孔，定位孔(81)的大孔部套设在所述凸部(123)上。
  9. 根据权利要求7所述的燃气阀，其特征在于：所述安装支架(7)的顶面设有缺口 (71)，所述定位套(8)的顶部具有侧凸以插入缺口(71)内的定位部(82)；所述缺口(71)内具有上凸的定位柱(711)，所述限位部(82)上开有供定位柱(711)插配的定位孔(821)。
  10. 根据权利要求7所述的燃气阀，其特征在于：所述调节杆(9)外周与定位孔内孔壁之间设有第一密封圈(92)；所述调节螺钉(6)外周与调节孔(5)内孔壁之间设有第二密封圈(64)。
  11. 根据权利要求1所述的燃气阀，其特征在于：所述出气通道(4b)的末端螺纹连接有使燃气流出量变小的喷嘴(41)。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021177908A1 (en) * 2020-03-02 2021-09-10 Kutuk Refik Gas valve and mechanism
CN114483991A (zh) * 2022-02-21 2022-05-13 广东聚德阀门科技有限公司 一种气类转换的燃气阀

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002276932A (ja) * 2001-03-16 2002-09-25 Rinnai Corp ガスバルブ
CN101338820A (zh) * 2008-08-07 2009-01-07 谢启标 阀芯结构改良的燃气阀
CN203146896U (zh) * 2013-02-27 2013-08-21 宁波朝阳家用燃气具有限公司 适用两种不同气源的燃气阀芯
CN103256396A (zh) * 2013-05-14 2013-08-21 宁波朝阳家用燃气具有限公司 用于燃气阀的点火开关
CN104321591A (zh) * 2012-03-27 2015-01-28 科普莱赛泰克公司 用于燃气灶具的调节阀门和结合有该调节阀门的燃气灶具
CN204573158U (zh) * 2015-04-21 2015-08-19 宁波朝阳家用燃气具有限公司 一种燃气阀
CN104089048B (zh) * 2014-06-30 2016-04-20 宁波朝阳家用燃气具有限公司 一种能两气互换的燃气阀

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002276932A (ja) * 2001-03-16 2002-09-25 Rinnai Corp ガスバルブ
CN101338820A (zh) * 2008-08-07 2009-01-07 谢启标 阀芯结构改良的燃气阀
CN104321591A (zh) * 2012-03-27 2015-01-28 科普莱赛泰克公司 用于燃气灶具的调节阀门和结合有该调节阀门的燃气灶具
CN203146896U (zh) * 2013-02-27 2013-08-21 宁波朝阳家用燃气具有限公司 适用两种不同气源的燃气阀芯
CN103256396A (zh) * 2013-05-14 2013-08-21 宁波朝阳家用燃气具有限公司 用于燃气阀的点火开关
CN104089048B (zh) * 2014-06-30 2016-04-20 宁波朝阳家用燃气具有限公司 一种能两气互换的燃气阀
CN204573158U (zh) * 2015-04-21 2015-08-19 宁波朝阳家用燃气具有限公司 一种燃气阀

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021177908A1 (en) * 2020-03-02 2021-09-10 Kutuk Refik Gas valve and mechanism
CN114483991A (zh) * 2022-02-21 2022-05-13 广东聚德阀门科技有限公司 一种气类转换的燃气阀
CN114483991B (zh) * 2022-02-21 2023-09-19 广东聚德阀门科技有限公司 一种气类转换的燃气阀

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