The burner of gas-cooker and gas-cooker
Technical field
The present invention relates to the burner of a kind of gas-cooker and gas-cooker.
Background technology
The burner of gas-cooker is the important component part of gas-cooker, as it is shown in figure 1, the burner of gas-cooker generally comprises nozzle 1 and induction tunnel 2, during work, high-pressure gas sprays to induction tunnel 2 from nozzle 1.Wherein there is between the entrance port of nozzle 1 and induction tunnel 2 certain gap d, a certain amount of air can introduced induction tunnel by high-pressure gas in the process of gap d, and after mixing according to certain ratio with air, eventually arrived at the kitchen range (not shown) of gas-cooker by induction tunnel 2.Wherein, when gap d is fixing, the mixed proportion of combustion gas and air is also determined therewith.
So that combustion gas can fully be burnt, combustion gas and air need to mix according to certain ratio, and for same source of the gas, mixed proportion is too high or too low all can affect combustion efficiency.For the burner of gas-cooker, if the size of gap d changes, then combustion gas also can change with the mixed proportion of air, and then can affect combustion efficiency.Visible, only keep the size of gap d to immobilize, the mixed proportion of combustion gas and air could be kept to stablize constant.Nozzle and induction tunnel are generally fixed on same fixed support by prior art, to determine gap d between the two, but are susceptible between induction tunnel and fixed support loosen so that the distance between induction tunnel and nozzle changes, and causes the instability of gap d.
Also the fixing rack structure of some existing nozzle is complicated, and part is many, and part tolerance is accumulated, the axis of the nozzle after causing assembling is not coaxial with the axis of induction tunnel, deviation of the alignment occurs, thus affecting injection effect, it is easy to the phenomenon that the CO content of burner combustion is higher occurs.
Summary of the invention
The problem that this invention address that is to provide the burner of the gas-cooker of a kind of new simple in construction, it is possible to keep the size in gap between nozzle and the entrance port of induction tunnel to immobilize, can realize being directed between nozzle with induction tunnel preferably simultaneously.
For solving the problems referred to above, the present invention provides the burner of a kind of gas-cooker, and including nozzle and induction tunnel, the spout of described nozzle is directed at the entrance port of described induction tunnel, has gap between described spout and described entrance port;Also include fixed support, be used for connecting described nozzle and described induction tunnel;The position that described fixed support coordinates with described induction tunnel is provided with the first connecting hole, described induction tunnel has second connecting hole corresponding with described first connecting hole, is connected fixing to described fixed support and described induction tunnel by the connector being arranged in described first, second connecting hole.Compared with prior art, the advantage of technical scheme is in that: offer connecting hole respectively on fixed support with induction tunnel, and be connected fixing to fixed support and induction tunnel by the connector being arranged in two connecting holes, prevent moving axially between the two, thus preventing moving axially between nozzle and induction tunnel, gap between nozzle and the entrance port of induction tunnel can be immobilized so that combustion gas and air have stable mixed proportion, it is ensured that efficiency of combustion;And the simple in construction of the present invention, part is few, and tolerance is little, and the nozzle after assembling easily realizes with induction tunnel being directed at, and injection is effective.
Optionally, described fixed support has the nozzle carrier for connecting described nozzle and the connection seat for being connected with described induction tunnel;Described first connecting hole is positioned on described connection seat.Wherein nozzle is fixedly arranged on nozzle carrier, has only to connection seat is fixed on induction tunnel during assembling.
Optionally, described connection seat is ring-type, is sheathed on outside described induction tunnel, convenient installation.
Optionally, described first connecting hole is located on the perisporium of described connection seat, and described second connecting hole is located on the perisporium of described induction tunnel.Connector is inserted radially into first, second connecting hole along induction tunnel, it is possible to be quickly and stably assembled together with being connected seat by induction tunnel.
Optionally, the outer peripheral face of described connection seat being additionally provided with boss, described first connecting hole is opened on described boss.The degree of depth of the first connecting hole can be increased on the one hand, assembly difficulty can be reduced on the other hand.
Optionally, described second connecting hole is through hole or blind hole.Wherein, the second connecting hole is through hole, to ensure the stability of assembling;Second connecting hole is blind hole, is conducive to keeping the complete of induction tunnel inwall and smoothness.
Optionally, the quantity of described second connecting hole is multiple, and multiple described second connecting holes edges are parallel to the directional spreding of described induction tunnel axis on the perisporium of described induction tunnel.Or, the quantity of described first connecting hole is multiple, and multiple described first connects edge, hole is parallel to the directional spreding of described connection seat axis on the perisporium of described connection seat.Therefore can according to required for concrete source of the gas kind, adjusting the size in gap.
Optionally, described connector is screw or pin.
Optionally, the outer peripheral face of described connection seat is additionally provided with the first holding section, the outer peripheral face of described induction tunnel is additionally provided with the second holding section;Described first holding section and described second holding section snap-fit engagement.
Optionally, described first connecting hole is arranged on described first holding section, and described second connecting hole is arranged on described second holding section.Being so designed that and be conducive to keeping the complete of induction tunnel inwall, improve ejector capacity, the combustion gas not resulting in inflow can reduce flow velocity because of these irregular surfaces.
Optionally, in described first holding section, the second holding section, one of them is fixture block, and another is draw-in groove, and described fixture block is used for being fastened in described draw-in groove.After first holding section, the second holding section coordinate, the first connecting hole, the second connecting hole are directed at automatically, it is possible to avoid manual-alignment length consuming time, inefficient problem, and can assist and realize connecting the fixing of seat and induction tunnel.
Optionally, described nozzle carrier includes the connecting tube for connecting gas pipeline, and described connecting tube communicates with described nozzle, and the axis of described connecting tube is vertical with the axis of described nozzle or is located along the same line.Advantage is in that: make connecting tube towards arranging according to the concrete orientation of gas pipeline, to facilitate the installation of gas pipeline.
Optionally, also including furnace head base, described induction tunnel is arranged on described furnace head base one-body moldedly.
The present invention also provides for a kind of gas-cooker, and it includes the burner described in any of the above-described item.
Accompanying drawing explanation
Fig. 1 is the structural representation of the burner of existing gas-cooker;
Fig. 2 is the perspective view of the burner of gas-cooker in the embodiment of the present invention;
Fig. 3 is the three-dimensional exploded view of the burner of gas-cooker in the embodiment of the present invention;
Fig. 4 is the front view of the burner of gas-cooker in the embodiment of the present invention;
Fig. 5 is the top view of the burner of gas-cooker in the embodiment of the present invention;
Fig. 6 is the sectional view in A-A direction in Fig. 5;
Fig. 7 illustrates the three-dimensional structure diagram of nozzle carrier in burner;
Fig. 8 illustrates the three-dimensional structure diagram of burner nozzle seat in a variation of the embodiment of the present invention.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail.
The embodiment of the present invention provides a kind of burner, with reference to shown in Fig. 2-5, including furnace head base 100, and the induction apparatus 200 being connected with furnace head base 100, combustion gas and air are delivered to furnace head base 100 according to after certain ratio mixing by induction apparatus 200.
Induction apparatus 200 includes nozzle 210, induction tunnel 220 and fixed support 230, and induction tunnel 210 is arranged on furnace head base 100 one-body moldedly, and fixed support 230 is used for connecting nozzle 210 and induction tunnel 220.Wherein, the spout 210a (Fig. 4) of nozzle 210 is directed at the entrance port 220a (Fig. 3, Fig. 4) of induction tunnel 220, having gap between spout 210a and entrance port 220a, the size in this gap determines air and the ratio of the combustion gas mixing of ejection from nozzle.
In the present embodiment, fixed support tool 230 has the nozzle carrier 231 for connecting nozzle 210 and the connection seat 232 for being connected with induction tunnel 220, nozzle carrier 231 and connection seat 232 interval to arrange, to form the gap between spout 210a and entrance port 220a, nozzle 210 is fixedly arranged on nozzle carrier 231.Wherein, with reference to Fig. 2-5 and in conjunction with shown in Fig. 6, connect seat 232 and be provided with the first connecting hole 232a, induction tunnel 220 has second connecting hole 221 corresponding for connecting hole 232a with first, is connected fixing with induction tunnel 220 for fixed support 230 by the connector 240 being arranged in the first connecting hole 232a, the second connecting hole 221.Wherein, connector 240 is screw or pin, in the present embodiment adopt screw, correspondingly, the first connecting hole 232a, the second connecting hole 221 inwall on offer the screw thread matched with screw.When screw is arranged in two connecting holes and during with connecting hole threaded engagement, together with can being securely connected between fixed support with induction tunnel, avoid moving axially between the two, thus preventing moving axially between nozzle and induction tunnel, gap between the spout of nozzle and the entrance port of induction tunnel can be immobilized, to ensure that combustion gas and air have stable mixed proportion, it is ensured that efficiency of combustion.Can realize fixing it addition, have only to screw between induction tunnel and fixed support, it is not necessary to other counterpart, number of parts is few, therefore can reducing the fit tolerance having assembled between rear nozzle and induction tunnel, nozzle and induction tunnel are more easily aligned, it is possible to increase injection effect.
In the present embodiment, connecting seat 232 is ring-type, is sheathed on outside injection 220 manages.First connecting hole 232a is located on the perisporium connecting seat 232, and the second connecting hole 221 is located on the perisporium of induction tunnel 220.Wherein, connecting and be additionally provided with boss 233 on the outer peripheral face of seat 232, the first connecting hole 232a is opened on boss 233.The arranging of boss 233 can increase the perisporium connecting seat 232 thickness at this position, correspondingly increases the degree of depth of the first connecting hole 232, increases the mating surface of screw and the first connecting hole 232, raising Assembly stability;It addition, the surface of boss 233 is plane, it is possible to reduce technology difficulty when offering the first connecting hole 232a, reduce assembly difficulty during rigging screw simultaneously.
With reference to shown in Fig. 6, in the present embodiment, the second connecting hole 221 being opened on induction tunnel 220 is through hole.Owing to the perisporium generally ratio of induction tunnel 220 is relatively thin, if the degree of depth of the second connecting hole 221 is excessively shallow, then the mating surface of screw and the second connecting hole 221 is too small, can cause that connection between the two is unstable, causes loosening between induction tunnel and fixed support.Therefore the present embodiment the second connecting hole is set to through hole, i.e. through hole, so can increase the mating surface of screw and the second connecting hole so that fixing relatively reliable between induction tunnel and fixed support.
In other embodiments, the quantity of the second connecting hole can also be multiple, and multiple second connecting hole is along being parallel to the directional spreding of induction tunnel axis on the perisporium of induction tunnel, during assembling, can according to different gas sources, make the first connecting hole relative from the second different connecting holes, and fixed by screw.This is because, for different gas sources, require different from the mixed proportion of air mixing during burning, so also can be different to the clearance requirement between the spout of nozzle and the entrance port of induction tunnel, now first can determine the size in gap according to concrete source of the gas type, then the first connecting hole is fixed by screws in together with the second corresponding connecting hole.Or, it is also possible to the first connecting hole is set to axially aligned multiple, during installation, first determines the size in gap according to concrete source of the gas type, then the second connecting hole is fixed by screws in together with the first corresponding connecting hole.It addition, under the premise ensureing stability maintenance, the second connecting hole can also be blind hole.
In other embodiments, connect seat and may not be ring-type, for instance can also be lamellar or other shapes, be attached on the outer peripheral face of induction tunnel, then pass through connector and both is connected;Or, the link position connecting seat and induction tunnel is not limited only to the outer peripheral face at induction tunnel, can also at the end face of induction tunnel, such as, connection seat is set to ring-type or several circumferentially distributed contiguous blocks are corresponding with the end face of entrance port, is then axially inserted into connector, links together connecting the seat end face with induction tunnel.Additionally, nozzle carrier and connection seat can also be wholely set, such as fixed support can be set to cylindric, one end is used for fixed nozzle, the other end is used for connecting induction tunnel, but need to ensure to have between spout and entrance port interval, and between spout and entrance port, offer a through hole being available for air entrance, air to be entered induction tunnel and combustion gas mixing.
Further, with continued reference to Fig. 3 and in conjunction with Fig. 5, Fig. 7, connect and the outer peripheral face of seat 232 is additionally provided with the first holding section 232b, the outer peripheral face of induction tunnel 220 is additionally provided with the second holding section 220b, the first holding section 232b and the second holding section 220b snap-fit engagement.When the first holding section 232b, the second holding section 220b engaging, the first connecting hole 232a and the second connecting hole 221 are correspondingly aligned.First holding section 232b, the second holding section 220b mono-aspect facilitate operator the first connecting hole and the second connecting hole can be directed at exactly in very short time, the connection between fixed support 230 and induction tunnel 220 can be assisted to fix on the other hand.
Wherein, the first holding section 232b is draw-in groove, and the second holding section 220b is suitable in the fixture block being fastened on draw-in groove.Wherein, draw-in groove can be through vertically, it is also possible to not through.
In other embodiments, it is also possible to the shape of the first holding section, the second holding section is exchanged.First connecting hole may be disposed on the first holding section, and the second connecting hole is arranged on the second holding section.
With continued reference to Fig. 7, nozzle carrier 231 also includes the connecting tube 231a for connecting gas pipeline, and the axis of connecting tube 231 and the axis of nozzle 210 are located along the same line, and wherein, nozzle 210 communicates with connecting tube 231a.In other embodiments, in order to facilitate the installation of the pipeline of gas pipeline, it is also possible to be set to: the axis of connecting tube 231 is vertical with the axis of nozzle 210, with reference to shown in Fig. 8.
Based on same inventive concept, the present invention also proposes a kind of gas-cooker, and it includes foregoing burner.
Although present disclosure is as above, but the present invention is not limited to this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.