CN212204625U - Gas stove - Google Patents
Gas stove Download PDFInfo
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- CN212204625U CN212204625U CN202020371971.8U CN202020371971U CN212204625U CN 212204625 U CN212204625 U CN 212204625U CN 202020371971 U CN202020371971 U CN 202020371971U CN 212204625 U CN212204625 U CN 212204625U
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- gas
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- fan
- pipe
- chassis
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Abstract
The utility model relates to a gas stove, be in including chassis, setting combustor in the chassis, this combustor sets up including drawing the ejector tube the nozzle holder and the setting of the income gas port end that draws the ejector tube are in nozzle on the nozzle holder is used for to the nozzle provide the gas and with the gas pipe that the nozzle holder is linked together, its characterized in that: the gas pipe is including neighbouring the first somatic part of nozzle holder, the enlarged chamber that forms of first somatic part portion expansion, the first fan that is provided with the gas speed who accelerates the inflow nozzle in the enlarged chamber, compare with prior art, the utility model has the advantages of the gas pressure that utilizes the gas pipe comes to act as energy source and orders about first fan rotation, and then accelerates the gas speed of inflow nozzle in order to improve the jettability, simultaneously when first fan is out of work, because first fan sets up in the enlarged chamber, can not increase original gas pipeline's flow resistance again, has simple structure's characteristics.
Description
Technical Field
The utility model relates to a domestic kitchen utensils and appliances technical field to and a can improve the gas-cooker who draws the ability of penetrating.
Background
The nozzle is an important part of the gas cooker, and the part directly determines the injection efficiency of the gas cooker to primary air and the uniform degree of gas and air mixing. The working condition of the nozzle can be ensured only by ensuring the coaxiality of the nozzle and the ejector, so that the injection efficiency and the mixing condition of the nozzle are ensured. However, the design size, casting precision, assembly method and thermal stress and bearing gravity of the gas cooker in the using process can cause the internal structure of the gas cooker to generate errors or deformation, so that the axis of the nozzle deviates from the axis of the ejector, and the ejection effect of the nozzle is weakened, therefore, the Chinese utility model 'gas cooker nozzle coaxiality flexible adjusting mechanism' with the patent number ZL201120287315.0(CN202209683U) discloses a gas cooker nozzle coaxiality flexible adjusting mechanism which comprises a nozzle and an ejector, wherein the front end of the nozzle is provided with an air nozzle, the rear end of the nozzle is provided with an air inlet, the air inlet of the nozzle is connected with one end of a flexible hose, the other end of the flexible hose is connected with a cooker assembly, the center of the rear end surface of the ejector is provided with a limiting bayonet, the limiting bayonet is coaxial with the axis direction of the ejector, the front part of the nozzle is inserted into the cavity of the ejector through the limiting bayonet along the axis direction, the nozzle and the ejector are tightly connected by matching the nozzle and a hole shaft of the limiting bayonet, and the adjusting mechanism can improve the injection efficiency and the mixing effect of the nozzle on primary air through the matching of the flexible hose and the limiting bayonet of the ejector, strengthen the combustion stability and the completeness of the gas cooker burner and reduce the gas consumption and the pollutant discharge of the gas cooker. Except the method for improving the nozzle, the Chinese utility model 'multi-pipe injection structure for gas cooker' with patent number ZL201320045963.4(CN203052669U) changes single-pipe single-strand airflow into multi-pipe multi-strand airflow within a certain area range through the multi-pipe injection structure for gas cooker, which improves the entrainment volume of primary air, because two symmetrical gas jet streams collide with each other when intersecting, the laminar flow structure of the gas jet stream is destroyed and the running speed of the airflow is reduced in the collision process, thereby greatly improving the mixing process of the gas and the air, no matter the flexible adjusting mechanism of the coaxiality of the nozzle of the cooker or the multi-pipe injection structure can improve the injection effect, but the structures of the two are more complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the improvement that the structure is more simple draws the gas-cooker of drawing the ability of drawing the penetrating pipe is provided to above-mentioned prior art current situation.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: this gas-cooker including:
a chassis;
the combustor is arranged in the chassis and comprises an injection pipe;
the nozzle seat is arranged at the gas inlet end of the injection pipe;
a nozzle provided on the nozzle holder; and
the gas pipe, be used for to the nozzle provides the gas, with the nozzle holder is linked together its characterized in that:
the gas pipe comprises a first pipe body part adjacent to the nozzle seat, the first pipe body part is expanded to form an expansion cavity, and a first fan for accelerating the speed of gas flowing into the nozzle is arranged in the expansion cavity.
Furthermore, the chassis is provided with a concave part which is concave upwards from bottom to top corresponding to the expansion cavity, the concave part is communicated with outside air, and the concave part is provided with a second fan which is coaxial with the first fan. Except that the gas pressure that utilizes the gas pipe comes to act as the energy source and drives first fan and rotate, and then accelerates the gas speed that flows into the nozzle in order to improve injection ability, simultaneously because first fan and the coaxial setting of second fan, when first fan rotates for this reason, can drive the second fan and rotate, and then improve the flow of the primary air of concave part, finally realize the acceleration of primary air and gas and mix.
In order to better feed the primary air directly into the air inlet end of the ejector pipe, the concave part is preferably provided with a notch adjacent to the air inlet end of the ejector pipe.
Preferably, the first fans are provided with two first fans, and are symmetrically arranged relative to the gas pipe, and the rotating directions of the impellers of the first fans are opposite. The two impeller structures are symmetrically arranged along the central line of the gas pipe, and after gas passes through the impeller structures, the two impellers rotate in opposite directions, so that the flow rate of the gas passing through the middle part is maximum; the blades have the function of guiding fuel gas, the fuel gas enters the fuel gas channel with the reduced cross section area in the direction opposite to the nozzle opening after passing through the middle channel formed by the two impellers, the collision loss of the fuel gas in the copper gas pipe is reduced, and when the fuel gas reaches the nozzle inlet in the mode of opposite linear motion, the kinetic energy is optimal and the injection energy is the most sufficient.
Further, the second fans are also provided with two second fans, and the rotating directions of the impellers of the second fans are opposite. The two second fans coaxially connected with the two first fans can accelerate the air flow rate nearby the two second fans, and when overflowing liquid accumulates on the chassis, the overflowing liquid evaporation can be accelerated, so that the chassis is prevented from rusting.
Compared with the prior art, the utility model has the advantages of the gas pressure that utilizes the gas pipe comes to act as the energy source and orders about first fan and rotate, and then accelerates the gas speed of inflow nozzle in order to improve the jettability, simultaneously when first fan is out of work, because first fan setting is in the inflation intracavity, can not increase the flow resistance of original gas pipeline again, has simple structure's characteristics.
Drawings
Fig. 1 is a schematic structural view of a bottom of a chassis in an embodiment of the present invention;
fig. 2 is a schematic structural view of the inside of the chassis according to the embodiment of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a schematic structural view of a gas pipe in an embodiment of the present invention;
fig. 5 is a cross-sectional view of fig. 4.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in FIGS. 1 to 5, the preferred embodiment of the present invention is shown. The gas stove of the embodiment comprises a chassis 1 and a burner 2 arranged in the chassis 1, wherein the burner 2 comprises an injection pipe 11, a nozzle seat 3 arranged at a gas inlet end 111 of the injection pipe 11, a nozzle 4 arranged on the nozzle seat 3, and a gas pipe 5 which is used for providing gas for the nozzle 4 and is communicated with the nozzle seat 3, wherein the gas pipe 5 comprises a first pipe body part 51 adjacent to the nozzle holder 3, the first pipe body part 51 is expanded to form an expansion cavity 52, a first fan 6 for accelerating the speed of the gas flowing into the nozzle 4 is arranged in the expansion cavity 52, the gas pressure of the gas pipe 5 is used as an energy source to drive the first fan 6 to rotate, thereby increasing the speed of the gas flowing into the nozzle 4 to improve the injection capability, and at the same time when the first fan 6 is not operated, because the first fan 6 is arranged in the expansion cavity 52, the flow resistance of the original gas pipeline 5 cannot be increased.
In addition, the chassis 1 has a concave portion 521 recessed from bottom to top at a position corresponding to the expansion cavity 52, the concave portion 521 is communicated with the outside air, and the concave portion 521 is provided with a second fan 7 coaxially arranged with the first fan 6, except that the first fan 6 is driven to rotate by using the gas pressure of the gas pipe 5 as an energy source, thereby increasing the speed of the gas flowing into the nozzle 4 to improve the injection capability, and because the first fan 6 and the second fan 7 are coaxially arranged, the second fan 7 can be driven to rotate when the first fan 6 rotates to further increase the flow of the primary air of the concave portion 521, thereby finally realizing the accelerated mixing of the primary air and the gas, preferably, the first fan 6 of the present embodiment has two and is symmetrically arranged relative to the gas pipe 5, the impeller rotation directions of the respective first fans 6 are opposite, the two impeller structures are symmetrically arranged along the central line of the gas pipe 5, after the fuel gas passes through the impeller structure, the two impellers rotate in opposite directions, so that the flow rate of the fuel gas passing through the middle part is maximum; the blades of the impellers also have the function of guiding fuel gas, the fuel gas enters the fuel gas channel with the reduced sectional area in the direction opposite to the nozzle opening after passing through the middle channel formed by the two impellers, the collision loss of the fuel gas in the fuel gas pipe is reduced, and when the fuel gas reaches the nozzle inlet in the mode of opposite linear motion, the kinetic energy is optimal and the injection energy is the most sufficient. Meanwhile, the number of the second fans 7 is two, the rotating directions of the impellers of the second fans 7 are opposite, the air flow rate near the two second fans 7 which are coaxially connected with the two first fans 6 can be accelerated, when overflowing liquid accumulates on the chassis, overflowing liquid evaporation can be accelerated, the chassis is prevented from rusting, finally, in order to better and directly supplement primary air into the air inlet end 111 of the injection pipe 11, the notch 521 is arranged at the air inlet end 111, which is close to the injection pipe 11, of the concave portion 521, and the notch 5211 is formed.
The gas stove has the following use process: when the knob is unscrewed, the gas valve is communicated with the gas pipe 5 for supplying gas, at the moment, the gas in the gas pipe 5 serves as an energy source to drive the first fan 6 to rotate, so that the gas speed of the nozzle 4 is accelerated, and meanwhile, the primary air outside the chassis 1 can flow into the gas inlet end 111 of the injection pipe 11 through the notch 5211 by the second fan 7 coaxially arranged with the first fan 6, so that the gas and the primary air can be mixed in the gas inlet end 111 of the injection pipe 11 more quickly.
Claims (5)
1. A gas range, comprising:
a chassis (1);
the combustor (2) is arranged in the chassis (1) and comprises an injection pipe (11);
the nozzle seat (3) is arranged at the air inlet end (111) of the injection pipe (11);
a nozzle (4) provided on the nozzle holder (3); and
gas pipe (5), be used for to nozzle (4) provide the gas, with nozzle holder (3) are linked together, its characterized in that:
the gas pipe (5) comprises a first pipe body part (51) adjacent to the nozzle holder (3), the first pipe body part (51) is expanded to form an expansion cavity (52), and a first fan (6) for accelerating the gas flowing into the nozzle (4) is arranged in the expansion cavity (52).
2. The gas range of claim 1, wherein: the chassis (1) is provided with a concave part (521) which is concave upwards from bottom to top at a position corresponding to the expansion cavity (52), the concave part (521) is communicated with outside air, and the concave part (521) is provided with a second fan (7) which is coaxial with the first fan (6).
3. The gas range of claim 2, wherein: the concave part (521) is provided with a notch (5211) adjacent to the air inlet end (111) of the injection pipe (11).
4. A gas range as claimed in any one of claims 2 to 3, wherein: the two first fans (6) are symmetrically arranged relative to the gas pipe, and the rotating directions of the impellers of the first fans (6) are opposite.
5. The gas range of claim 4, wherein: the second fans (7) are also provided with two, and the rotating directions of the impellers of the second fans (7) are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020371971.8U CN212204625U (en) | 2020-03-20 | 2020-03-20 | Gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020371971.8U CN212204625U (en) | 2020-03-20 | 2020-03-20 | Gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212204625U true CN212204625U (en) | 2020-12-22 |
Family
ID=73822733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020371971.8U Active CN212204625U (en) | 2020-03-20 | 2020-03-20 | Gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212204625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757664A (en) * | 2021-08-12 | 2021-12-07 | 宁波方太厨具有限公司 | Induced draft mechanism, injection device and kitchen range |
-
2020
- 2020-03-20 CN CN202020371971.8U patent/CN212204625U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757664A (en) * | 2021-08-12 | 2021-12-07 | 宁波方太厨具有限公司 | Induced draft mechanism, injection device and kitchen range |
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