CN209100674U

CN209100674U - Gas valve

Info

Publication number: CN209100674U
Application number: CN201821650995.6U
Authority: CN
Inventors: 李雪波
Original assignee: NINGBO LAITE GAS STOVES CO Ltd
Current assignee: NINGBO LAITE GAS STOVES CO Ltd
Priority date: 2018-10-11
Filing date: 2018-10-11
Publication date: 2019-07-12
Anticipated expiration: 2028-10-11

Abstract

The utility model relates to a kind of gas valves, including the internal valve body with inlet channel, the first outlet passageway and the second outlet passageway, spool is equipped in valve body, spool lower part is equipped with opening down venting cavity, it is provided with fire hole on venting cavity side wall, is equipped with rotary knob rod on valve body；It is characterized by: the valve body includes valve casing, valve deck, left connector and right connector, the valve deck is fixed at the top of valve casing, left connector and right connector are connected to the left and right sides of valve casing, first outlet passageway is arranged on right connector, second outlet passageway is arranged on left connector, the inlet channel is arranged in valve casing, inlet channel is axial passage, the outlet side of inlet channel is arranged upward and is directly connected to venting cavity, the inlet end of inlet channel is arranged downward, and the rotary knob rod is threaded through on valve deck and protrudes into valve casing.Compared with inlet channel is arranged in valve housing side wall traditional valve body, inlet channel is more conducive to process, and processing and manufacturing difficulty is reduced, to reduce manufacturing cost.

Description

Gas valve

Technical field

The utility model relates to a kind of fuel gas plug valve more particularly to a kind of it can control two fire rows for gas burning roastor And have the gas valve of ever-burning flame function.

Background technique

Tool is respectively equipped with one in each baking vessel there are two upper and lower spaced baking vessel inside some gas burning roastors Fire row, it is however generally that lower fire row in lower baking chamber have the control of fire may, and be located at top baking it is indoor on Fire row intensity of a fire size is certain, generally high fire.Because lower fire row is blocked completely by the cabinet of oven, therefore upper fire row is then as it can be seen that work as It, cannot be with success of whether lighting a fire be visually observed, if it is unsuccessful repeatedly to light a fire, because being had in ignition process when lighting a fire to lower fire row Combustion gas release, when light a fire successfully next time, the gas content understood because of lower fire row surrounding air is larger, and when igniting has " the sound of sth. throbbing or bursting the sound of sth. throbbing or bursting " Explosion sound, there are some potential safety problems, it is some country put into effect national standard, cannot have afore-mentioned.And upper fire row Because success of whether lighting a fire can be observed directly, therefore status is not present.Such as Patent No. ZL201220709936.8 (bulletin Number be CN203059420U) Chinese utility model patent " a kind of two-chamber gas burning roastor being made of deflector " just disclose this A kind of gas burning roastor of sample.The gas valve of existing gas burning roastor only has the function of two fire rows of control, such as Patent No. The Chinese utility model patent " stopcock for gas-fired broiler " of ZL201020682600.8 (notification number CN201902610U) is draped over one's shoulders Such a plug valve is revealed.

In addition the inlet channel of existing gas valve is arranged on the front side wall of valve casing, for by the venting cavity of gas inlet valve core In, it needs to be arranged inside valve casing the runner of auxiliary, directly results in and need the duct that processes on valve casing excessive, processing is very not Just, and processing cost is high.

How to design that a structure is more simple not only to can control two fire rows thus, but also can guarantee lower fire row igniting The gas valve of efficiency is those skilled in the art's technical problem in the urgent need to address.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of inlet channel for above-mentioned state of the art More reasonable gas valve is designed, the valve body structure of the gas valve is easy to process quick, reduces valve body manufacturing cost.

Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of gas valve, including inside have The valve body of inlet channel, the first outlet passageway and the second outlet passageway, valve body is interior to be equipped with revolvable spool, and spool lower part is equipped with Opening down venting cavity is provided with fire hole on venting cavity side wall, the rotary knob rod to drive the Spool rotating is equipped on valve body, The rotary knob rod holding moves up trend；It is characterized by: the valve body includes valve casing, valve deck, left connector and right connector, the valve Lid is fixed on valve casing top, and left connector and right connector are connected to the left and right sides of valve casing, the first outlet passageway setting On right connector, second outlet passageway is arranged on left connector, and the inlet channel is arranged in valve casing, and inlet channel is Axial passage, the outlet side of inlet channel are arranged upward and are directly connected to venting cavity, and the inlet end of inlet channel is arranged downward, The rotary knob rod is threaded through on valve deck and protrudes into valve casing.

It can control two fire rows for realization and have ever-burning flame function while guaranteeing lower fire row ignition effectiveness, as an improvement, It is additionally provided with ever-burning flame outlet passageway in the valve casing and controls the valve block of the first outlet passageway gas output, the rotary knob rod turns Kinetic energy drives the valve block mobile, and the ever-burning flame outlet passageway and the first outlet passageway are located at the side of spool, and described second Outlet passageway is located at the other side of spool, and the rear threads of the valve casing are connected with rear joint, and the ever-burning flame outlet passageway is set It sets in rear joint, the rotational energy of the spool makes fire hole selection and the first outlet passageway, the second outlet passageway or kept burning day and night Fiery outlet passageway connection；Rotary knob rod and spool in a state of nature under, the fire hole goes out with the first outlet passageway, second simultaneously Gas channel and ever-burning flame outlet passageway block；In the case where rotary knob rod is clockwise to first angle state from reset condition court, then The valve core rotation to fire hole thereon is driven to block with ever-burning flame outlet passageway and the first outlet passageway, meanwhile, the fire hole It is connected to the second outlet passageway；In rotary knob rod from reset condition towards rotating counterclockwise to second angle state, then described in drive Valve core rotation to thereon fire hole and the second outlet passageway block, the valve block be in block fire hole be connected to the first outlet passageway Position, meanwhile, the fire hole is connected to ever-burning flame outlet passageway；Continue to rotate counterclockwise from second angle state in rotary knob rod To third angle, the rotation of rotary knob rod no longer drives Spool rotating, and then band moving valve plate court makes for the rotation of rotary knob rod The direction that first outlet passageway gas output increases is mobile, and the fire hole connects with ever-burning flame outlet passageway and the first outlet passageway simultaneously It is logical.

This gas valve has the first outlet passageway and the second outlet passageway, can allow through the first outlet passageway to upper in this way Fire row is supplied, and is supplied by the second outlet passageway to lower fire row, so that this gas valve plays two fire rows of control Function；In addition ever-burning flame outlet passageway and valve block are added, and ever-burning flame channel be located at the second outlet passageway it is ipsilateral, in this way when Valve core rotation is connected to fire hole with ever-burning flame outlet passageway, and combustion gas first passes through ever-burning flame outlet passageway, is allowed kept burning day and night in lower fire row Fire is first lighted, and rotary knob rod is continued to rotate, and after the ventilation of the second outlet passageway, guarantees the success rate that lower fire row is effectively lighted, no Will appear the igniting of lower fire row it is unsuccessful when, lower fire row also continues discharge combustion gas, and use is safer；And the setting of this structure valve block The intensity of a fire of lower fire row can be adjusted, rather than as conventional gas valve, by rotational valve core different angle, allow difference The fire hole alignment air flue in aperture realizes that the intensity of a fire is adjusted, this intensity of a fire adjustment structure greatly simplifies valve core structure.

Because the first outlet passageway is generally located on side, the entrance location and rotary knob rod of the first outlet passageway be not in same axis On line, even if can cooperate, it is inclined with rotary knob rod to also result in valve block for the entrance location cooperation of valve block the first outlet passageway of inconvenience From farther out, valve rod inconvenience is connect with the valve block for deviateing setting.As preferential, valve port is equipped in above-mentioned valve body, valve port is located at rotation The underface of button bar, the valve block constrain in the lower section of valve port and can move up and down, and valve block moves down the unlatching journey that can make valve port Degree increases, and valve block moves up, and the opening degree of valve port can be made to reduce, the ever-burning flame outlet passageway and fire hole are located at the upper of valve block Side, the first outlet passageway are located at the lower section of valve block；Continue to rotate counterclockwise to third angle from second angle state in rotary knob rod During, the rotation band moving valve plate of rotary knob rod moves down；Second angle is clockwise to from third angle in rotary knob rod During, the rotation band moving valve plate of rotary knob rod moves up.Valve block can be located at the lower section of rotary knob rod, convenient and knob in this way Bar connection.

Preferably, the valve block remains unchanged in rotary knob rod from reset condition towards rotating counterclockwise to second angle state Close the valve port.Combustion gas can only be by ever-burning flame outlet passageway in this way, and gas outlet amount is smaller, and combustion gas is only kept burning day and night with first lighting Fire, the first outlet passageway hold one's breath substantially, are further ensured that lower fire row igniting is steady.

As an improvement, being equipped with auxiliary port in above-mentioned valve body, the air inlet of auxiliary port is located above valve port, auxiliary port Gas outlet be located at below valve port, rotary knob rod from reset condition towards under being clockwise to first angle state, combustion gas can only It is connected to by auxiliary port with the first outlet passageway, the tune to adjust auxiliary port gas output is vertically equipped in auxiliary port Save screw.Adjust the intensity of a fire of the most small fire of the adjustable lower fire row of setting of screw.

It is further improved, above-mentioned valve block is fixed on the middle part of a valve rod, the connection of the top insertion rotary knob rod lower end of valve rod In hole, rotary knob rod can be moved up and down relative to valve rod and rotation of the rotational energy of rotary knob rod with ovable valve stem, the bottom of valve rod are provided with out The threaded hole of mouth down, the intracorporal bottom of valve are fixed with threaded post, and threaded post is located at the lower section of valve rod and is inserted into screw thread company It connects in the threaded hole.Because valve rod sheet is operated as rotation, this structure is mobile by the principle band moving valve plate of screw-driven, benefit Band moving valve plate is rotated with valve rod to move up and down, and is designed more reasonable.

To make gas valve that there is automatic temperature-controlled regulatory function, preferably, above-mentioned body base wears and is fixed with power part Part, the threaded post are arranged on the power part, and power part can be moved up and down and expanding with heat and contract with cold.The power part is logical It crosses conducting-heat elements to connect with sensing rod for temperature, has temperature-sensitive oily inside force piece, moving up and down for force piece is driven by expanding with heat and contract with cold, When fire row temperature reaches certain temperature, heat is conducted to temperature-sensitive oil by conducting-heat elements by sensing rod for temperature, and power part is in temperature-sensitive oil Promotion under move up and down, the final adjusting realized to valve block upper and lower position controls the gas output of the first outlet passageway.

To be limited to the maximum angle that rotary knob rod rotates, and in the original state to the limit of rotary knob rod, above-mentioned rotation Rotary spacing disk is fixed on button bar, the limited block that rotary spacing disk has side convex, it is recessed that the intracorporal top surface of valve is provided with limit Slot and arc boss；Rotary knob rod in a state of nature under, the holding of limited block on the rotary spacing disk is caught in limiting groove Trend；In limited block of the rotary knob rod from reset condition towards under being clockwise to first angle state, on the rotary spacing disk Rotary knob rod is prevented further to rotate clockwise with side contacts of arc boss；It rotates counterclockwise in rotary knob rod to third angle In the state of, another side contacts of limited block and arc boss on the rotary spacing disk and prevent the rotary knob rod further inverse time Needle rotation.Guarantee that ability turning knob bar can only be pushed under reset condition, it is highly-safe.

It further improves, the axis parallel interval setting of above-mentioned rotary knob rod and spool, is arranged with energy on the rotary knob rod With the driving gear that rotary knob rod rotates, and rotary knob rod can slide above and below opposite driving gear, and driving gear only has one section of active arc Shape teeth portion, another section is anodontia arcwall face；The valve core upper sleeve, which is equipped with, to be only had with the driven gear of Spool rotating, driven gear One section of passive arc teeth portion, another section is anodontia arcwall face；Rotary knob rod and spool in a state of nature under, the active arc It is engaged with the middle part of passive arc teeth portion at the middle part of teeth portion；First angle mistake is clockwise to from reset condition court in rotary knob rod Cheng Zhong and in rotary knob rod from reset condition towards during rotating counterclockwise to second angle, the active arc teeth portion and quilt Dynamic arc teeth portion engagement；During rotary knob rod continues to rotate counterclockwise from second angle state to third angle, the master Dynamic arc teeth portion and passive arc teeth portion, which are detached from, to be cooperated.It is to realize the relatively reasonable simple knot limited valve core rotation angle Structure, when two gears have tooth engagement, just energy band movable valve plug rotates rotary knob rod, and otherwise rotary knob rod can only dally.

The spring for making mandril keep moving up trend is arranged on above-mentioned mandril, spring is located in upper chamber, in the valve body It is additionally provided with a wraping plate, the free end of wraping plate is acted at the top of mandril, so that wraping plate can be upturned around one end, the wraping plate of tilting The rotary knob rod is acted on so that rotary knob rod holding moves up trend.Only rotary knob rod pushes the security solenoid valve that sets out, and gas source is total Switch can just be opened, if rotary knob rod pushing is not in place, security solenoid valve not triggered, even if valve core rotation there will not be combustion gas stream Out.In addition, the mandril of triggering security solenoid valve itself needs spring top to hold, this structure combines wraping plate, so that the spring, which plays, to be made Rotary knob rod holding moves up trend, it is not necessary that spring additionally is arranged for rotary knob rod.

Compared with the prior art, the advantages of the utility model are: valve body is divided into valve casing by this gas valve, valve deck, a left side connect Head and the big component of right connector four, component each first is individually easy to process, also facilitates and channel is provided in each component, be in addition conducive to Each component is assembled in valve inner；Importantly, inlet channel is designed as axial passage, the outlet of inlet channel by this gas valve End is arranged upward and is directly connected to venting cavity, and the inlet end of inlet channel is arranged downward, sets inlet channel with traditional valve body It sets and is compared in valve housing side wall, inlet channel is more conducive to process, and processing and manufacturing difficulty is reduced, to reduce manufacturing cost.

Detailed description of the invention

Fig. 1 is the schematic perspective view one of the utility model embodiment；

Fig. 2 is the schematic perspective view one of the utility model embodiment；

Fig. 3 is the cross-sectional view of the utility model embodiment；

Fig. 4 is the cross-sectional view at the utility model embodiment rotary knob rod position；

Fig. 5 is the sectional perspective exploded view of the utility model embodiment；

Fig. 6 is the assembling schematic diagram that position-arresting disk and valve deck are rotated in the utility model embodiment；

Fig. 7 is the operation principle schematic diagram of the utility model embodiment.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

It is a preferred embodiment of the utility model as shown in Fig. 1~7.

A kind of gas valve, including the internal valve with inlet channel 1a, the first outlet passageway 1b and the second outlet passageway 1c Body 1, valve body 1 is interior to be equipped with revolvable spool 2, and 2 lower part of spool is equipped with opening down venting cavity 21, is provided on 21 side wall of venting cavity Fire hole 22, the rotary knob rod 3 to drive the spool 2 to rotate is equipped on valve body 1, and the holding of rotary knob rod 3 moves up trend.

It is additionally provided with ever-burning flame outlet passageway 1d in valve body 1 and controls the valve block 4 of the first outlet passageway 1b gas output, it is described The rotation of rotary knob rod 3 can drive the valve block 4 mobile, and the ever-burning flame outlet passageway 1d and the first outlet passageway 1b are located at spool 2 side, the second outlet passageway 1c are located at the other side of spool 2；

Valve body 1 is made of valve casing 11, valve deck 12, rear joint 13, left connector 14 and right connector 15, and valve deck 12 is fixed on valve casing 11 tops, left connector 14 and right connector 15 are connected to the left and right sides of valve casing 11, and rear joint 13 is then threaded in valve casing 11 rear portion is arranged in rear joint 13 on ever-burning flame outlet passageway 1d, and the first outlet passageway 1b is arranged on right connector 15, Second outlet passageway 1c is arranged on left connector 14, and inlet channel 1a is arranged in valve casing 11, and inlet channel 1a is axial logical Road, the outlet side of inlet channel 1a are arranged upward and are directly connected to venting cavity 21, and the inlet end of inlet channel 1a is arranged downward And running through the bottom surface of valve casing 11, rotary knob rod 3 is threaded through on valve deck 12 and protrudes into valve casing 11.

Rotary knob rod 3 and spool 2 in a state of nature under, the fire hole 22 goes out with the first outlet passageway 1b, second simultaneously Gas channel 1c and ever-burning flame outlet passageway 1d is blocked.

In the case where rotary knob rod 3 is clockwise to 1 state of first angle α from reset condition court, then the spool 2 is driven to rotate It is blocked to fire hole thereon with ever-burning flame outlet passageway 1d and the first outlet passageway 1b, meanwhile, the fire hole 22 and the second outlet Channel 1c connection.First angle α 1 in the present embodiment is 62 degree.

In rotary knob rod 3 from reset condition towards rotating counterclockwise to 2 state of second angle α, then the spool 2 is driven to rotate To thereon fire hole 22 and the second outlet passageway 1c block, valve block 4, which is in, blocks fire hole 22 to be connected to the first outlet passageway 1b Position, meanwhile, fire hole 22 is connected to ever-burning flame outlet passageway 1d.Second angle α 2 in the present embodiment is 50 degree.

During rotary knob rod 3 continues to rotate counterclockwise from 2 state of second angle α to third angle α 3, rotary knob rod 3 Rotation no longer band movable valve plug 2 rotate, and the rotation of rotary knob rod 3 then band moving valve plate 4 towards make the first outlet passageway 1b gas output increase Big direction is mobile, and fire hole 22 is connected to ever-burning flame outlet passageway 1d and the first outlet passageway 1b simultaneously.In the present embodiment Three angle [alpha]s 3 are 231 degree

Valve port 111 is equipped in valve body 1, valve port 111 is located at the underface of rotary knob rod 3, and the valve block 4 constrains in valve port 111 Lower section and can move up and down, moving down for valve block 4 can be such that the opening degree of valve port 111 increases, and valve block 4 moves up, and can make valve port 111 opening degree reduction, ever-burning flame outlet passageway 1d and fire hole are located at the top of valve block 4, and the first outlet passageway 1b is located at valve The lower section of piece 4；During rotary knob rod 3 continues to rotate counterclockwise from 2 state of second angle α to third angle α 3, rotary knob rod 3 rotation band moving valve plate 4 moves down；During rotary knob rod 3 is clockwise to second angle α 2 from third angle α 3, The rotation band moving valve plate 4 of rotary knob rod 3 moves up.Valve block 4 is fixed on the middle part of a valve rod 6, and knob is inserted on the top of valve rod 6 In the connecting hole 32 of 3 lower end of bar, the top cross section of valve rod 6 is polygon, corresponding, and link block 31 is polygonal hole, knob Bar 3 can be moved up and down relative to valve rod 6 and rotation of the rotational energy of rotary knob rod 3 with ovable valve stem 6, and the bottom of valve rod 6 is provided with opening court Under threaded hole 61, the bottom in valve body 1 is fixed with threaded post 71, and threaded post 71 is located at the lower section of valve rod 6 and is inserted into screw thread company It connects in threaded hole 61.1 bottom of valve body, which is worn, is fixed with power part 7, and threaded post 71 is arranged on the power part 7, power Component 7 can be moved up and down and expanding with heat and contract with cold, and the structure inside power part 7 is not shown in drawing.The power part 7 Driving structure connect with sensing rod for temperature 72, the built-in chamber of force piece has temperature-sensitive oily, and chamber can be according to the heat expansion of internal temperature-sensitive oil Shrinkage generation moves up and down, and when fire row temperature reaches certain temperature, the heat of sensing rod for temperature 72 is conducted to temperature-sensitive by conducting-heat elements Oil, power part 7 moves up and down under the promotion of temperature-sensitive oil (to be heated, expansion, power part 7 moves down, and to the cold, shrinks, power part Part 7 moves up), the final adjusting realized to 4 upper and lower position of valve block controls the gas output of the first outlet passageway 1b.

The connection of 1 bottom thread of valve body is arranged on the power part 7 by power part 7, threaded post 71.

In rotary knob rod 3 from reset condition towards rotating counterclockwise to second angle state, valve block 4 still closes the valve port 111.Auxiliary port 1e is equipped in valve body 1, the air inlet 1e1 of auxiliary port 1e is located at 111 top of valve port, and auxiliary port 1e's goes out Port 1e2 is located at 111 lower section of valve port, and in the case where rotary knob rod 3 is clockwise to first angle state from reset condition court, combustion gas is only It can be connected to by auxiliary port 1e with the first outlet passageway 1b, be vertically equipped in auxiliary port 1e to adjust auxiliary port 1e The adjusting screw 5 of gas output.

Rotary spacing disk 31, the limited block 311 that rotary spacing disk 31 has side convex, the valve body are fixed on rotary knob rod 3 Top surface in 1 is provided with limiting groove 121 and arc boss 122；Rotary knob rod 3 in a state of nature under, on rotary spacing disk 31 Limited block 311 holding be caught in 121 trend of limiting groove；First angle α is clockwise to from reset condition court in rotary knob rod 3 Under 1 state, a side contacts of limited block 311 on rotary spacing disk 31 and arc boss 122 and prevent rotary knob rod 3 further suitable Hour hands rotation；In the state that rotary knob rod 3 is rotated counterclockwise to third angle α 3, limited block 311 on rotary spacing disk 31 with Another side contacts of arc boss 122 and prevent rotary knob rod 3 from further rotating counterclockwise.

The axis parallel interval of rotary knob rod 3 and spool 2 is arranged, and being arranged on the rotary knob rod 3 can be with the rotation of rotary knob rod 3 Driving gear 8, and rotary knob rod 3 about 8 driving gear can slide relatively, driving gear 8 only has one section of active arc teeth portion 81, separately One section is the first anodontia arcwall face 82；Be arranged on the spool 2 can with spool 2 rotate driven gear 9, driven gear 9 There is one section of passive arc teeth portion 91, another section is the second anodontia arcwall face 92；Rotary knob rod 3 and spool 2 in a state of nature Under, the middle part of active arc teeth portion 81 is engaged with the middle part of passive arc teeth portion 91；In rotary knob rod 3 from reset condition towards up time Needle is turned to during first angle α 1 and is rotated counterclockwise from reset condition court to the process of second angle α 2 in rotary knob rod 3 In, active arc teeth portion 81 is engaged with passive arc teeth portion 91；Continue to rotate counterclockwise from 2 state of second angle α in rotary knob rod 3 To third angle α 3, active arc teeth portion 81 and passive arc teeth portion 91 are detached from and cooperate.

The spring 17 for making mandril 16 keep moving up trend is arranged on mandril 16, spring 17 is located in upper chamber 23, valve body 1 It is inside additionally provided with a wraping plate 18, the top of mandril 16 acts on the free end of wraping plate 18, so that wraping plate 18 can be upturned around one end, The wraping plate 18 of tilting acts on rotary knob rod 3 so that the holding of rotary knob rod 3 moves up trend.

The operation principle and process of this gas valve is as follows:

Rotary knob rod 3 is pushed, limited block 311 is detached from limiting groove 121 and constrains, and wraping plate 18 is pushed to overcome the elastic force of spring 17 inclined Turn.

Rotary knob rod 3 is rotated clockwise to first angle α 1, in active arc teeth portion 81 and passive arc-shaped gear from reset condition Under 91 engaged transmission effect of portion, spool 2 rotates counterclockwise to fire hole thereon and leads to ever-burning flame outlet passageway 1d and the first outlet Road 1b is blocked, meanwhile, fire hole 22 is connected to the second outlet passageway 1c, and at this moment, combustion gas passes sequentially through inlet channel 1a, venting cavity 21, through being discharged by the second outlet passageway 1c after fire hole 22, and the second outlet passageway 1c can be connected with the upper fire row in gas burning roastor, To control upper fire row.

Rotary knob rod 3 is rotated counterclockwise to second angle α 2 from reset condition, and spool 2 turns to fire hole 22 and second thereon Outlet passageway 1c is blocked, valve block 4 remain unchanged close port 111 and in blocking the position that is connected to the first outlet passageway 1b of fire hole 22 It sets, meanwhile, fire hole 22 is connected to ever-burning flame outlet passageway 1d and the first outlet passageway 1b, and at this moment, it is logical that combustion gas passes sequentially through air inlet Through being discharged by ever-burning flame outlet passageway 1d after road 1a, venting cavity 21, fire hole 22, ever-burning flame is lighted.

During rotary knob rod 3 continues to rotate counterclockwise from 2 state of second angle α to third angle α 3, rotary knob rod 3 Rotation no longer band movable valve plug 2 rotate, and the rotation of rotary knob rod 3 then band moving valve plate 4 towards make the first outlet passageway 1b gas output increase Big direction is mobile, and combustion gas passes through after passing sequentially through inlet channel 1a, venting cavity 21, fire hole 22, valve port 111 by the first outlet passageway 1b discharge, and the first outlet passageway 1b can be connected with the lower fire row in gas burning roastor, to control lower fire row.In second angle α 2 In 3 range of third angle α, rotary knob rod, which rotates clockwise, then descends the fire row intensity of a fire to increase, and rotary knob rod rotates counterclockwise then descends fire row The intensity of a fire weakens.

It should be noted that in the description of the present embodiment, the orientation of the instructions such as term " forward and backward ", " left and right ", " upper and lower " Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, it is only for convenient for description the utility model and simplification Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation Make, therefore should not be understood as limiting the present invention.Term " installation ", " connection ", " connected " shall be understood in a broad sense, example Such as, it may be fixed connection or may be dismantle connection, or integral connection；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be specific Situation understands the concrete meaning of above-mentioned term in the present invention.

Claims

1. a kind of gas valve, including it is internal with inlet channel (1a), the first outlet passageway (1b) and the second outlet passageway (1c) Valve body (1), be equipped with revolvable spool (2) in valve body (1), spool (2) lower part is equipped with opening down venting cavity (21), ventilation It is provided with fire hole (22) on chamber (21) side wall, the rotary knob rod (3) to drive the spool (2) to rotate, rotation is equipped on valve body (1) Button bar (3) holding moves up trend；It is characterized by: the valve body (1) include valve casing (11), valve deck (12), left connector (14) and Right connector (15), the valve deck (12) are fixed at the top of valve casing (11), and left connector (14) and right connector (15) are connected to valve The left and right sides of shell (11), first outlet passageway (1b) are arranged on right connector (15), second outlet passageway (1c) It is arranged on left connector (14), in valve casing (11), inlet channel (1a) is axial passage for inlet channel (1a) setting, into The outlet side in gas channel (1a) is arranged upward and is directly connected to venting cavity (21), and the inlet end court of inlet channel (1a) divides into It sets, the rotary knob rod (3) is threaded through on valve deck (12) and protrudes into valve casing (11).

2. gas valve according to claim 1, it is characterised in that: be additionally provided with ever-burning flame outlet passageway in the valve casing (11) (1d) and the valve block (4) for controlling the first outlet passageway (1b) gas output, the rotation of the rotary knob rod (3) can drive valve block (4) to move Dynamic, the input end of the ever-burning flame outlet passageway (1d) and the first outlet passageway (1b) is located at the side of spool (2), and described second The input end of outlet passageway (1c) is located at the other side of spool (2), and the rear threads of the valve casing (11) are connected with rear joint (13), the ever-burning flame outlet passageway (1d) is arranged on rear joint (13), and the rotational energy of the spool (2) makes the fire hole (22) selection is connected to the first outlet passageway (1b), the second outlet passageway (1c) or ever-burning flame outlet passageway (1d)；

In the case where rotary knob rod (3) is clockwise to first angle (α 1) state from reset condition court, then the spool (2) is driven to turn It moves to fire hole (22) thereon and is blocked with ever-burning flame outlet passageway (1d) and the first outlet passageway (1b), meanwhile, the fire hole (22) it is connected to the second outlet passageway (1c)；

In rotary knob rod (3) from reset condition towards rotating counterclockwise to second angle (α 2) state, then the spool (2) is driven to turn It moves to fire hole (22) thereon and is blocked with the second outlet passageway (1c), the valve block (4), which is in, blocks fire hole (22) to go out with first The position of gas channel (1b) connection, meanwhile, the fire hole is connected to ever-burning flame outlet passageway (1d)；

During rotary knob rod (3) continues to rotate counterclockwise from second angle (α 2) state to third angle (α 3), rotary knob rod (3) rotation no longer band movable valve plug (2) rotates, and then band moving valve plate (4) court makes the first outlet passageway for the rotation of rotary knob rod (3) The direction that (1b) gas output increases is mobile, the fire hole (22) simultaneously with ever-burning flame outlet passageway (1d) and the first outlet passageway (1b) connection.

3. gas valve according to claim 2, it is characterised in that: be equipped with valve port (111) in the valve casing (11), valve port (111) it is located at the underface of rotary knob rod (3), the valve block (4) constrains in the lower section of valve port (111) and can move up and down, valve block (4) move down can be such that the opening degree of valve port (111) increases, and valve block (4) moves up, and the opening degree of valve port (111) can be made to subtract Small, the ever-burning flame outlet passageway (1d) and fire hole are located at the top of valve block (4), and first outlet passageway (1b) is located at valve block (4) lower section；During rotary knob rod (3) continues to rotate counterclockwise from second angle (α 2) state to third angle (α 3), Rotation band moving valve plate (4) of rotary knob rod (3) moves down；Second is clockwise to from third angle (α 3) in rotary knob rod (3) During angle (α 2), rotation band moving valve plate (4) of rotary knob rod (3) is moved up.

4. gas valve according to claim 3, it is characterised in that: rotated counterclockwise in rotary knob rod (3) from reset condition court To second angle state, the valve block (4) still closes the valve port (111).

5. gas valve according to claim 4, it is characterised in that: be equipped with auxiliary port (1e) in the valve body (1), auxiliary The air inlet (1e1) of air flue (1e) is located above valve port (111), and the gas outlet (1e2) of auxiliary port (1e) is located at valve port (111) Lower section, in the case where rotary knob rod (3) is clockwise to first angle state from reset condition court, combustion gas can only pass through auxiliary port (1e) is connected to the first outlet passageway (1b), is vertically equipped in auxiliary port (1e) to adjust auxiliary port (1e) gas output Adjusting screw (5).

6. gas valve according to claim 3, it is characterised in that: the valve block (4) is fixed on the middle part of a valve rod (6), In the connecting hole (32) of top insertion rotary knob rod (3) lower end of valve rod (6), rotary knob rod (3) can opposite valve rod (6) move up and down and Rotation of the rotational energy with ovable valve stem (6) of rotary knob rod (3), the bottom of valve rod (6) is provided with downward opening threaded hole (61), described Bottom in valve body (1) is fixed with threaded post (71), and threaded post (71) is located at the lower section of valve rod (6) and insertion is threaded in institute It states in threaded hole (61).

7. gas valve according to claim 6, it is characterised in that: valve body (1) bottom, which is worn, is fixed with power part (7), the threaded post (71) is arranged on the power part (7), and power part (7) can be moved up and down and expanding with heat and contract with cold.

8. gas valve according to claim 2, it is characterised in that: be fixed with rotary spacing disk on the rotary knob rod (3) (31), rotary spacing disk (31) has the convex limited block (311) in side, and the top surface in the valve body (1) is provided with limiting groove (121) And arc boss (122)；Rotary knob rod (3) in a state of nature under, limited block (311) on the rotary spacing disk (31) is protected It holds into limiting groove (121) trend；First angle (α 1) state is clockwise to from reset condition court in rotary knob rod (3) Under, a side contacts of limited block (311) on the rotary spacing disk (31) and arc boss (122) and prevent rotary knob rod (3) Further rotate clockwise；In the state that rotary knob rod (3) is rotated counterclockwise to third angle (α 3), the rotary spacing disk (31) another side contacts of limited block (311) on and arc boss (122) and prevent rotary knob rod (3) from further turning counterclockwise It is dynamic.

9. gas valve according to claim 2, it is characterised in that: between the rotary knob rod (3) is parallel with the axis of spool (2) Can be with the driving gear (8) of rotary knob rod (3) rotation every being arranged in setting, the rotary knob rod (3), and rotary knob rod (3) can be opposite Driving gear (8) slides up and down, and driving gear (8) only has one section of active arc teeth portion (81), and another section is the first anodontia arc Face (82)；The driven gear (9) that can be rotated with spool (2) is arranged on the spool (2), driven gear (9) only has one section of quilt Dynamic arc teeth portion (91), another section is the second anodontia arcwall face (92)；Rotary knob rod (3) and spool (2) in a state of nature under, It is engaged with the middle part of passive arc teeth portion (91) at the middle part of the active arc teeth portion (81)；In rotary knob rod (3) from reset condition Court is clockwise to during first angle (α 1) and rotates counterclockwise from reset condition court to second jiao in rotary knob rod (3) During spending (α 2), the active arc teeth portion (81) is engaged with passive arc teeth portion (91)；In rotary knob rod (3) from second jiao Degree (α 2) state continues during rotating counterclockwise to third angle (α 3), the active arc teeth portion (81) and passive arc Teeth portion (91) is detached from cooperation.