CN208719438U - Valve body and valve - Google Patents

Abstract

The utility model relates to a kind of valve body and valve, solve the problems, such as that valve smoke discharging effect is bad.Valve body, including downtake pipe, second exhaust pipe and the ring baffle that can be offseted with valve block, the downtake pipe is connect with the second exhaust pipe by the ring baffle, the ring baffle surrounds exhaust outlet, the internal diameter of second exhaust pipe described in the width < of the internal diameter < valve block of the downtake pipe.

Description

Valve body and valve

Technical field

The utility model relates to a kind of valve body and valves.

Background technique

Existing valve includes the valve body with exhaust outlet, valve block, connecting rod and torsional spring, and valve body is equipped with exhaust duct, exhaust duct It is equipped with exhaust outlet, connecting rod is for connecting valve block and valve body, and torsional spring is for driving connecting rod to rotate relative to valve body, to keep connecting rod logical Cross the trend that valve block closes exhaust outlet.However, existing valve block setting can reduce exhaust duct in radial directions in exhaust duct Space for exhaust.

Utility model content

Problem to be solved in the utility model is just to provide a kind of valve body and valve, to increase the smoke discharging effect of valve.

To solve the above problems, the utility model provides the following technical solutions: valve body, including downtake pipe, second row Tracheae and the ring baffle that can be offseted with valve block, the downtake pipe are connected with the second exhaust pipe by the ring baffle It connects, the ring baffle surrounds exhaust outlet, second exhaust pipe described in the width < of the internal diameter < valve block of the downtake pipe Internal diameter.

Further, the downtake pipe, the ring baffle and the second exhaust pipe by after metal sheet stretch at Type.

Further, the ring baffle is equipped with pilot hole, and the pilot hole is the through-hole of inner wall smooth；Or, described Pilot hole is threaded hole.

Further, the valve body further includes the installation panel being arranged on the second exhaust pipe.

Further, the end of the second exhaust pipe is arranged in the installation panel, and the two is integrally formed.

Further, the inner wall of the second exhaust pipe is equipped with for connecting the second valve seat of bindiny mechanism and for connecting Connect the first valve seat of toggle mechanism；First valve seat is connect with the second exhaust pipe by the first fixing screws, and described Two valve seats are connect with the second exhaust pipe by the second fixing screws.

Valve, including valve body, valve block and bindiny mechanism with exhaust outlet, the bindiny mechanism connect the valve block with it is described Valve body simultaneously can drive the valve block to close the exhaust outlet, and the valve body is valve body described in a kind of any of the above-described technical solution.

Further, the bindiny mechanism includes connecting rod, and the connecting rod lower end and the valve body are rotatablely connected, the connecting rod Upper end is flexibly connected with the valve block.

Further, the valve further includes screw bolt and nut, after the bolt sequentially passes through the connecting rod and the valve block It is fixedly connected with the nut, is fixedly connected after the bolt sequentially passes through the connecting rod and the valve block with the nut When, the sum of the thickness of the thickness for being spaced valve block described in the > of gap and the connecting rod between the bolt head and the nut.

Further, the bolt is shoulder bolt, and it successively includes bolt head, step that the shoulder bolt is axial along it Section and spiro rod section, the valve block are socketed in the step section.

The utility model has the beneficial effects that

1, in the utility model, valve body includes downtake pipe, second exhaust pipe and ring baffle, downtake pipe it is interior The internal diameter of the width < second exhaust pipe of diameter < valve block, when the width < second exhaust pipe of the internal diameter < valve block of downtake pipe When internal diameter, by valve block be arranged in second exhaust pipe, valve block open exhaust outlet after, between valve block and second exhaust inside pipe wall between Gap will become larger.It is designed in this way, the oil smoke for causing smoke exhaust to be discharged because exhaust duct narrows is avoided to be difficult to enter in valve body.

2, in the utility model, when the internal diameter of the width < second exhaust pipe of the internal diameter < valve block of downtake pipe, valve Body can be with smoke discharging pipe (smoke discharging pipe is for connection valve and kitchen ventilator) cooperation of two kinds of different sizes.

Detailed description of the invention

Fig. 1 is the perspective view of valve in the preferred embodiment in the utility model；

Fig. 2 is the bottom view of valve in the preferred embodiment in the utility model；

Fig. 3 is the cross-sectional view in Fig. 2 at A-A；

Fig. 4 is the cross-sectional view in Fig. 2 at B-B (retaining mechanism is in lock position)；

Fig. 5 is the cross-sectional view in Fig. 2 at B-B (retaining mechanism is in the unlocked position)；

Fig. 6 is the perspective view of retaining mechanism and temperature-sensitive mechanism in the preferred embodiment in the utility model；

Fig. 7 is the cross-sectional view of retaining mechanism and temperature-sensitive mechanism in the preferred embodiment in the utility model；

Fig. 8 is the perspective view of valve body in the preferred embodiment in the utility model；

Fig. 9 is the main view of toggle mechanism in the preferred embodiment in the utility model；

Figure 10 is the perspective view of the second valve seat in the preferred embodiment in the utility model；

Figure 11 is the perspective view (omitting valve block and bindiny mechanism) of part valve in the preferred embodiment in the utility model；

Figure 12 is the perspective view (omitting toggle mechanism) of part valve in the preferred embodiment in the utility model；

Figure 13 is the perspective view of bindiny mechanism in the preferred embodiment in the utility model.

Specific embodiment

The technical solution of the utility model embodiment is explained below with reference to the attached drawing of the utility model embodiment and Illustrate, but following embodiments are only the preferred embodiment of the utility model, and not all.Based on the implementation example in the implementation mode, Those skilled in the art's obtained other embodiments without making creative work, belong to the utility model Protection scope.

Referring to Fig. 3 and Fig. 8, valve body 1 includes downtake pipe 101, second exhaust pipe 103 and the ring that can be offseted with valve block 2 Shape baffle 102, downtake pipe 101 are connect with second exhaust pipe 102 by ring baffle 102, and ring baffle 102 surrounds exhaust Mouth 111, the internal diameter of the width < second exhaust pipe 103 of the internal diameter < valve block 2 of downtake pipe 101.

It should be understood that in the present embodiment, downtake pipe 101, second exhaust pipe 103, ring baffle 102 and valve block 2 be in circular ring shape, and therefore, the internal diameter of downtake pipe 101 is the diameter of downtake pipe 101, and the internal diameter of second exhaust pipe 103 is The diameter of second exhaust pipe 103, the exhaust outlet 111 on ring baffle 102 are circle, and the width of valve block 2 is the diameter of valve block 2. In the other embodiments of the utility model, downtake pipe, second exhaust pipe, ring baffle and valve block are possible in ellipse Shape, when downtake pipe, second exhaust pipe, ring baffle and valve block are possible to oval, the internal diameter of downtake pipe is Diameter at downtake pipe long axis, the internal diameter of second exhaust pipe are the diameter at second exhaust pipe long axis, on ring baffle Exhaust outlet is ellipse, and the width of valve block is the diameter at valve block long axis；Either, downtake pipe, second exhaust pipe and ring Shape baffle is possible in polygon, and valve block is rounded, when downtake pipe, second exhaust pipe and ring baffle are possible in polygon When shape and rounded valve block, the width of downtake pipe is the spacing distance on polygon between farthest two points, second row The width of tracheae is the spacing distance on polygon between farthest two points, and the exhaust outlet on ring baffle is polygon, valve block Width be valve block diameter.

In the present embodiment, downtake pipe 101, ring baffle 102 and second exhaust pipe 103 by after metal sheet stretch at Type.It is designed in this way, reduces the manufacturing cost of valve body 1, improves the production efficiency of valve body 1.In the other embodiments of the utility model In, downtake pipe, ring baffle and second exhaust pipe can by welding be linked together, downtake pipe, ring baffle and Second exhaust pipe can also be linked together by fastener.

Referring to Fig. 8, ring baffle 102 is equipped with pilot hole 12, and pilot hole 12 is the through-hole of inner wall smooth；Or, pilot hole 12 be threaded hole.When pilot hole 12 is the through-hole of inner wall smooth, check lock lever can be axially moved along pilot hole 12；Work as pilot hole 12 be threaded hole when, check lock lever can be fixed on valve body 1.Therefore, the internal structure of pilot hole does adaptability according to actual needs Change.

Referring to Fig. 8, valve body 1 further includes the installation panel 104 being arranged on second exhaust pipe 103, and installation panel 104 is arranged In the end of second exhaust pipe 103, and the two is integrally formed.Installation panel 104 is for preventing valve that leakage cigarette phenomenon occurs.

Preferably, installation panel 104 includes by outwardly extending first extended segment 1041 of second exhaust pipe 103 and by described The second extended segment 1042 that first extended segment extends to smoke evacuation direction, flexible gaskets (valve is contacted by flexible gaskets with wall, with Increase valve every smoke performance) be arranged in the space that the first extended segment 1041 and the second extended segment 1042 surround.

Referring to Fig. 8, valve body 1 further includes the annular slab 105 being arranged on downtake pipe 101, annular slab 105 for realizing 101 drawing and forming of downtake pipe.Certainly, after the molding of downtake pipe 101, annular slab 105 can be cut off by cutter.

Referring to Fig. 3, the inner wall of second exhaust pipe 103 be equipped with the second valve seat 107 for connecting bindiny mechanism 3 and/or The inner wall of second exhaust pipe 103 is equipped with the first valve seat 106 for connecting toggle mechanism 6.It is designed in this way, is convenient for changing connection Mechanism 3 and toggle mechanism 6.

Referring to Fig. 3 and Figure 10, the first valve seat 106 is connect with second exhaust pipe 103 by the first fixing screws 20, the second valve Seat 107 is connect with second exhaust pipe 103 by the second fixing screws 30.In the other embodiments of the utility model, the first valve Seat is snapped connection with valve body, and the second valve seat is linked together with valve body by welding.

As can be seen from Figure 8, second exhaust pipe 103 is equipped with the first positioning hole cooperated with the first fixing screws 20 1031 and with the second fixing screws 30 cooperation second location hole 1032.It is designed in this way, when smoke discharging pipe is socketed in second exhaust When on pipe 103, smoke discharging pipe can be connected between the first fixing screws 20 and the second fixing screws 30.

Referring to figs. 2 and 3, valve includes the valve body 1, valve block 2 and bindiny mechanism 3 with exhaust outlet 111, valve body 1, valve block 2 It is made with bindiny mechanism 3 of metal or other heat-resisting materials, bindiny mechanism 3 is for connecting valve block 2 and valve body 1 and can drive valve Piece 2 closes exhaust outlet 111.

From figure 3, it can be seen that the valve body 1 of the present embodiment has exhaust passage 11, exhaust outlet 111 is arranged in exhaust passage 11 On, when valve block 2 closes exhaust outlet 111, the two sides that exhaust passage 11 is located at exhaust outlet 111 will be unable to realize the flowing of flue gas, It means that the indoor flue gas of user cannot pass through valve and enter in exhaust duct, exhaust duct when valve block 2 closes exhaust outlet 111 Interior flue gas also cannot pass through valve and enter in user room.Certainly, in the prior art, valve body may include the ring with exhaust outlet Exhaust passage is not present on such valve body for shape baffle.

Bindiny mechanism 3 on valve in such a way that valve block 2 closes exhaust outlet 111 there are three types of: 1, as shown in figure 3, valve includes Second elastic element 8, the second elastic element 8 are one of the second torsional spring, tension spring and pressure spring, and the second elastic element 8 is for driving Move bindiny mechanism 3 with respect to valve body 1 with moving valve plate 1, to keep valve block 1 to close the trend of exhaust outlet 111；2, valve block is at itself The trend of exhaust outlet is remained turned-off under the action of gravity；3, bindiny mechanism's eccentric setting, to keep valve block to close becoming for exhaust outlet Gesture.

Referring to Fig. 1, Fig. 6 and Figure 11, in the present embodiment, valve further includes retaining mechanism 4, toggle mechanism 6, the first elastic element 7 and temperature-sensitive mechanism 5, the utility model is convenient for distinguishing the elastic element being known as the first elastic element 7,4 He of retaining mechanism Toggle mechanism 6 is movably disposed on valve body 1, and retaining mechanism 4 has lock position and unlocked position, as shown in figure 4, when lock When tight mechanism 4 is located at lock position, temperature-sensitive mechanism 5 is clamped between retaining mechanism 4 and valve body 1, after the movement of temperature-sensitive mechanism 5, First elastic element 7 drives retaining mechanism 4 to move to unlocked position from lock position by toggle mechanism 6, as shown in figure 5, working as When retaining mechanism 4 is located at unlocked position, valve block 2 closes exhaust outlet 111.

Existing valve (specific structure can refer to the utility model patent application No. is 201610651149.5) include valve seat, Driving lever, temperature-sensitive mechanism and torsional spring, temperature-sensitive mechanism include the first metal plate, the second metal plate and for connecting the first metal plate and the The meltable solder of two metal plates, driving lever and the second metal plate and valve seat are rotatablely connected, and a torque arm of torsional spring is connect with valve seat, are turned round Another torque arm of spring connect with driving lever and driving lever is driven to offset with the first metal plate, and valve seat is equipped with locating part, when torsional spring Another torque arm connect with driving lever and driving lever is driven to offset with the first metal plate, and the first metal plate passes through with the second metal plate When meltable solder connects, the second metal plate offsets with locating part, to realize that temperature-sensitive mechanism is clamped between driving lever and locating part.

When temperature-sensitive mechanism is clamped between driving lever and locating part, driving lever applies the first active force, limit to the first metal plate Position part applies the second active force to the second metal plate, and the first active force is identical as the second amount of force, contrary, in other words It says, the trend that the first active force keeps the relatively meltable solder of the first metal plate to move upwards, the second active force keeps the second metal The trend that the relatively meltable solder of plate moves downward, the position and locating part that are offseted due to driving lever and the first metal plate and the second metal The position that plate offsets mutually staggers, therefore, effect of the meltable solder director phase by twisting resistance.Twisting resistance long term is meltable It will lead to the first metal plate (or second metal plate) on solder to separate with meltable solder, it means that valve makes under normal temperature environment It can be ceased to be in force automatically with temperature-sensitive mechanism after a period of time.After temperature-sensitive mechanism ceases to be in force automatically, torsional spring drives driving lever opposite valve seat to rotate, To realize that driving lever drives valve block to close exhaust outlet by connecting rod.

In the utility model, valve includes retaining mechanism 4 and temperature-sensitive mechanism 5, and temperature-sensitive mechanism 5 is clamped in retaining mechanism 4 and valve Between body 1.In the prior art, valve needs that temperature-sensitive mechanism could be mounted on valve seat by three steps in the fabrication process: Step 1, temperature-sensitive mechanism are arranged on valve seat by fastener；Step 2, temperature-sensitive mechanism side offset with locating part；Step 3, The temperature-sensitive mechanism other side offsets with driving lever.And in the present invention, first temperature-sensitive mechanism 5 is arranged on retaining mechanism 4, is connect , then temperature-sensitive mechanism 5 is clamped between retaining mechanism 4 and valve body 1, by two above step, temperature-sensitive mechanism 5 completes its peace Fill step.It is designed in this way, by changing installation site, the mounting structure of temperature-sensitive mechanism 5, to realize the installation step for simplifying valve Suddenly, improve the production efficiency of valve, reduce the manufacturing cost of valve.

In the utility model, retaining mechanism 4 has lock position and unlocked position, after the movement of temperature-sensitive mechanism 5, the first bullet Property element 7 drive retaining mechanism 4 to move to unlocked position from lock position by toggle mechanism 6, in valve replacement different size After temperature-sensitive mechanism 5, the lock position of retaining mechanism 4 will change.It is designed in this way, the position accuracy demand of retaining mechanism 4 can Suitably to reduce, to realize the manufacturing cost for reducing valve.

In the utility model, when temperature-sensitive mechanism 5 is clamped between retaining mechanism 4 and valve body 1, temperature-sensitive mechanism 5 is located at valve The outside of body 1 prevents flue gas from entering in exhaust duct when this structure can make valve catch fire indoors；When temperature-sensitive mechanism 5 is clamped in lock When between tight mechanism 4 and valve body 1, temperature-sensitive mechanism 5 is located at the inside of valve body 1, this structure can make valve prevention in outdoor kindling Flue gas is entered the room through exhaust duct；When temperature-sensitive mechanism 5 is clamped between retaining mechanism 4 and valve body 1,5, part temperature-sensitive mechanism In the outside of valve body 15, remainder temperature-sensitive mechanism is located at the inside of valve body 1, and it is indoor and outdoor double that this structure can be such that valve realizes Weight is every cigarette.

In the present embodiment, after the movement of temperature-sensitive mechanism 5, toggle mechanism 6 drives valve block 2 to close exhaust by bindiny mechanism 3 Mouth 111.It is designed in this way, toggle mechanism 6 does not contact directly with valve block 2, occurs under the shock of toggle mechanism 6 to avoid valve block 2 Deformation.Certainly, in the other embodiments of the utility model, after temperature-sensitive mechanism action, toggle mechanism can also directly be driven Valve block closes exhaust outlet.

Referring to Fig. 8, valve body 1 is equipped with the guide channel for guiding 4 direction of motion of retaining mechanism, at least partly locking machine Structure 4 is arranged in guide channel, when retaining mechanism 4 is located at lock position or unlocked position, at least one end face of retaining mechanism 4 Outside guide channel.It is designed in this way, convenient for taking out retaining mechanism 4 out of guide channel, is arranged convenient for part temperature-sensitive mechanism 5 In the outside of valve body 1, remainder temperature-sensitive mechanism 5, the inside of valve body 1 is set.In the other embodiments of the utility model, Retaining mechanism can be welded on the inside of valve body, and there are the spaces for clamping temperature-sensitive mechanism between retaining mechanism and body wall.

Preferably, valve body 1 includes downtake pipe 101, second exhaust pipe 103 and the ring baffle that can be offseted with valve block 2 102, downtake pipe 101 is connect with second exhaust pipe 103 by ring baffle 102, and ring baffle 102 surrounds exhaust outlet 111, Ring baffle 102 is equipped with pilot hole 12, and pilot hole 12 is the guide channel, and retaining mechanism 4 includes check lock lever, and check lock lever passes through Wear pilot hole 12.It is designed in this way, 1 outside of valve body can be arranged in temperature-sensitive mechanism 5, also can be set in 1 inside of valve body, this is just It is meant that valve can be achieved with indoor and outdoor Duoble cigarette by the way that a set of toggle mechanism 6 is arranged.In addition, the utility model its In his embodiment, guide channel can also be arranged in valve body other positions by changing shape, lead for example, being equipped on the inside of valve body To seat, guide holder is equipped with guide groove, opens wide at the top of the guide groove, sets on the side wall of the guide groove and open there are two opposite Mouthful, the guide groove is guide channel.

In the present embodiment, when temperature-sensitive mechanism 5 is clamped between retaining mechanism 4 and valve body 1, part temperature-sensitive mechanism 5 is located at The outside of valve body 1, remainder temperature-sensitive mechanism 1 are located at the inside of valve body 1.It is designed in this way, it is indoor and outdoor dual to realize that valve carries out Every cigarette.Certainly, in the other embodiments of the utility model, when temperature-sensitive mechanism is clamped between retaining mechanism and valve body, sense Warm mechanism can be only located at the outside of valve body；Either, when temperature-sensitive mechanism is clamped between retaining mechanism and valve body, temperature-sensitive machine Structure is only located at the inside of valve body.

Referring to Fig. 6, check lock lever one end is equipped with fixed part, and temperature-sensitive mechanism 5 is clamped between fixed part and ring baffle 102, According to Fig. 7, it is not difficult to find out that, check lock lever includes screw, the axial length > solder ring 51 of screw bar portion 42 and the length of pilot hole 12 The sum of, the fixed part is the head 41 of the screw, and temperature-sensitive mechanism 5 includes solder ring of at least one set on check lock lever 51, solder ring 51 has mounting hole 511, and when 42 penetrating mounting holes 511 of bar portion of screw, solder ring 51 is clamped in the head of screw Between portion 41 and ring baffle 102.In the other embodiments of the utility model, retaining mechanism includes screw bolt and nut, bolt It is fixedly connected after solder ring and the first metal plate with nut.

In addition, temperature-sensitive mechanism may include at least one block of solder plate, solder plate in the other embodiments of the utility model It is clamped between the head of screw and ring baffle.

In the present embodiment, a solder ring is clamped between the head 41 of screw and ring baffle 102, but practical new at this In the other embodiments of type, the quantity for being clamped in the solder ring between fixed part and ring baffle can carry out according to actual needs Adjustment.

Referring to Fig. 6, temperature-sensitive mechanism 5 further includes the first metal plate 521, the second metal plate 523 and is used to connect the first metal The solder part 522 of plate 521 and the second metal plate 523, the first metal plate 521 are detachably arranged in the other end of check lock lever, and second Metal plate 523 is equipped with rotation prevention portion 5231, and when retaining mechanism 4 is located at lock position, rotation prevention portion 5231 and toggle mechanism 6 are clamped To prevent the first elastic element 7 from driving toggle mechanism 6 with respect to 1 activity of valve body.In the other embodiments of the utility model, temperature-sensitive Mechanism further includes solder bar, and solder bar one end is clamped between check lock lever and valve body, and the solder bar other end is equipped with rotation prevention portion, works as lock When tight mechanism is located at lock position, rotation prevention portion prevents the first elastic element from driving the opposite valve of toggle mechanism with toggle mechanism clamping Body activity.First metal plate 521, the second metal plate 523 and solder part 522 form temperature-sensitive unit 52, temperature-sensitive unit 52 and solder Ring 51 forms temperature-sensitive mechanism 5, and when indoor generation fire, solder ring 51 melts, and check lock lever is axially moved from lock position and moves To unlocked position, to realize that valve block 2 closes exhaust outlet 111.When outdoor generation fire, solder part 522 melts, the first metal plate 521 separate with the second metal plate 523, to realize that valve block 2 closes exhaust outlet 111.

In the present embodiment, the height of rotation prevention portion 5231 is H1, and the axial length of solder ring 51 is H3, H1 < H3.So set Meter, after solder ring 51 melts, retaining mechanism 4 is with respect to the range > H1 that valve body 1 is axially moved, it means that working as retaining mechanism 4 When moving to unlocked position from lock position, rotation prevention portion 5231 will be separated with toggle mechanism 6.

In the present embodiment, the solder ring 51 and the solder part 522 can be secret base, indium base, tinbase, cadmium base, zinc-base With one of solders such as lead base or a variety of.

Be not difficult to obtain as described above: the movement of temperature-sensitive mechanism 5 includes that the fusing of temperature-sensitive mechanism 5 acts.In this reality With in novel other embodiments, the temperature-sensitive mechanism may include memory metal, and memory metal is clamped in retaining mechanism and valve Between body, memory metal deform movement (deformed movement include but is not limited to memory metal occur under pressure it is curved Bent, memory metal thickness changes under pressure) after, the first elastic element by toggle mechanism drive retaining mechanism from Lock position moves to unlocked position, and when retaining mechanism is located at unlocked position, valve block closes exhaust outlet.

In the present embodiment, the first metal plate 521 can by being clamped, being spirally connected, the modes such as hinged are detachably arranged in and lock On the other end of bar, it is preferred that the first metal plate 521 is equipped with fixed section 5211, and fixed section 5211 is equipped with the bar with screw The matched threaded hole in portion 42, therefore, the bar portion 42 of screw run through threaded hole, to realize the bar portion 42 and the first metal plate of screw 521 are fixedly connected.

Referring to Fig. 3 and Figure 13, bindiny mechanism 3 includes connecting rod 31, and 31 lower end of connecting rod and valve body 1 are rotatablely connected, on connecting rod 31 End is flexibly connected with valve block 2.In addition, connecting rod lower end can be along the sliding rail on valve body in the other embodiments of the utility model Sliding, to realize that valve block closes exhaust outlet, and the upper end of connecting rod and valve block are rotatablely connected.

In the present embodiment, valve further includes bolt 91 and nut 92, bolt 91 sequentially pass through after connecting rod 31 and valve block 2 with nut 92 are fixedly connected, when being fixedly connected after bolt 91 sequentially passes through connecting rod 31 and valve block 2 with nut 92, bolt head and nut 92 Between interval gap > valve block 2 thickness and 31 upper plate 301 of connecting rod the sum of thickness.

Preferably, the bolt 91 is shoulder bolt, shoulder bolt along it is axial successively include bolt head, step section and Spiro rod section, valve block 2 are socketed in step section.

In the present embodiment, the bindiny mechanism 3 further includes shaft 10, and connecting rod 31 passes through 10 turns of shaft with the second valve seat 107 Dynamic connection.In the other embodiments of the utility model, one of the connecting rod and second valve seat are equipped with shaft, separately One is equipped with the axis hole cooperated with shaft.

Referring to Fig. 9 and Figure 11, toggle mechanism 6 includes the driving lever being horizontally installed on valve body 1, and the marginal position of driving lever is equipped with Switching part, the middle position outwardly convex of driving lever.In the other embodiments of the utility model, toggle mechanism arc panel, rotation Bar and fastener for connecting arc panel and rotating bar.

Referring to Fig. 9, driving lever is equipped with the accommodating cavity for limiting 5 installation site of temperature-sensing element, specific: the outside of driving lever Wall is equipped with locating slot 611, and locating slot 611 is the accommodating cavity, when rotation prevention portion 5231 and driving lever clamping, the second metal plate 523 are located in locating slot 611.It is designed in this way, effectively limits the second metal plate 523 and be connected to the position on toggle mechanism 6.At this In the other embodiments of utility model, driving lever is equipped with location hole, and location hole is the accommodating cavity, and the second metal plate can be inserted into fixed Position hole.

Preferably, the depth of locating slot 611 is H2, the thickness of the second metal plate of H2 > 523.

From fig. 9, it can be seen that the middle position of driving lever is equipped with the segmental arc 61 for connecting switching part, the outside of segmental arc Wall is arc-shaped.It is designed in this way, driving lever is avoided to interfere during the motion with valve body 1.

In the present embodiment, switching part include shaft section 62 and clamping section 63, the first elastic element 7 be the first torsional spring, first Torsional spring is socketed in clamping section 63.Certainly, in the other embodiments of the utility model, switching part can only include shaft section, First torsional spring is socketed in shaft section；Either, switching part only includes axis hole section, and the first torsional spring is socketed on valve body.

Referring to Figure 12 and Figure 13, connecting rod 31 includes the first side plate 302, the second side plate 303 and is used to connect the first side plate 302 With the bottom plate 301 of the second side plate 303, the first side plate 302, bottom plate 301 and the second side plate 303 surround accommodating cavity 311, the first side plate 302 are equipped with the first tilting section 3021, and the second side plate 303 is equipped with the second tilting section 3031, after the movement of temperature-sensitive mechanism 5, dial Motivation structure 6 is along the first tilting section 3021 and/or the positive sliding of the second tilting section 3031, so that connecting rod 31 closes row by valve block 2 Port 111.It is designed in this way, limits the direction of motion of toggle mechanism 6.

In the present embodiment, the first tilting section 3021 and/or the second tilting section 3031 are equipped at least one and dial for preventing Protrusion of the bar along its reverse slide.It is designed in this way, effectively valve block 2 is prevented to open exhaust outlet under the action of high temperature gas flow 111。

Preferably, the protrusion is pawl, is designed in this way, driving lever will be unable to reverse slide.In other of the utility model In embodiment, the protrusion can be boss.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, those skilled in the art should be understood that the utility model includes but is not limited to attached drawing and specific embodiment above Described in content.The modification of any function and structure principle without departing from the utility model is intended to be included in claims In range.

Claims (10)

1. valve body, which is characterized in that described including downtake pipe, second exhaust pipe and the ring baffle that can be offseted with valve block Downtake pipe is connect with the second exhaust pipe by the ring baffle, and the ring baffle surrounds exhaust outlet, and described The internal diameter of second exhaust pipe described in the width < of the internal diameter < valve block of one exhaust pipe.

2. valve body as described in claim 1, which is characterized in that the downtake pipe, the ring baffle and described second Exhaust pipe after metal sheet stretch by forming.

3. valve body as described in claim 1, which is characterized in that the ring baffle is equipped with pilot hole, and the pilot hole is The through-hole of inner wall smooth；Or, the pilot hole is threaded hole.

4. valve body as described in claim 1, which is characterized in that the valve body further includes being arranged on the second exhaust pipe Panel is installed.

5. valve body as claimed in claim 4, which is characterized in that the end of the second exhaust pipe is arranged in the installation panel End, and the two is integrally formed.

6. valve body as described in claim 1, which is characterized in that the inner wall of the second exhaust pipe is equipped with for connecting connection Second valve seat of mechanism and the first valve seat for connecting toggle mechanism；First valve seat and the second exhaust pipe pass through the The connection of one fixing screws, second valve seat are connect with the second exhaust pipe by the second fixing screws.

7. valve, including valve body, valve block and bindiny mechanism with exhaust outlet, the bindiny mechanism connects the valve block and the valve Body simultaneously can drive the valve block to close the exhaust outlet, which is characterized in that the valve body is described in one of claim 1 to 6 Valve body.

8. valve as claimed in claim 7, which is characterized in that the bindiny mechanism includes connecting rod, the connecting rod lower end with it is described Valve body rotation connection, the small end are flexibly connected with the valve block.

9. valve as claimed in claim 8, which is characterized in that the valve further includes screw bolt and nut, and the bolt sequentially passes through It is fixedly connected after the connecting rod and the valve block with the nut, after the bolt sequentially passes through the connecting rod and the valve block When being fixedly connected with the nut, the thickness of valve block described in the interval gap > between the bolt head and the nut and institute State the sum of the thickness of connecting rod.

10. valve as claimed in claim 9, which is characterized in that the bolt is shoulder bolt, and the shoulder bolt is along its axial direction It successively include bolt head, step section and spiro rod section, the valve block is socketed in the step section.