CN217875835U

CN217875835U - Air door adjusting mechanism for gas stove

Info

Publication number: CN217875835U
Application number: CN202220430627.0U
Authority: CN
Inventors: 张波; 刘晓刚; 方晓艳; 郭达; 俞瑜
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-11-22
Anticipated expiration: 2032-02-28

Abstract

The utility model relates to an air door adjustment mechanism for gas-cooker, including drawing and penetrating pipe, nozzle holder and installing the nozzle on the nozzle holder, the spout of nozzle is towards drawing the income gas port end of penetrating the pipe, its characterized in that: the nozzle seat also comprises a base which surrounds the periphery of the nozzle seat, and a blast channel communicated with a blast fan is formed between the base and the nozzle seat; and install the piece of adjusting wind on the nozzle holder, should adjust wind the piece and can draw the income gas port end of penetrating the pipe relatively along the axis direction of drawing penetrating the pipe and remove, compare with prior art, the utility model has the advantages of: the base is surrounded on the periphery of the existing nozzle seat, so that a blowing channel communicated with a blowing fan is formed between the base and the nozzle seat, a natural injection air channel is formed between the nozzle seat and the air inlet end of the injection pipe, the blowing amount in the blowing channel can be adjusted simultaneously, and the primary air amount of the natural injection air channel can be adjusted, so that different air sources and use conditions can be met.

Description

Air door adjusting mechanism for gas stove

Technical Field

The utility model relates to a gas cooking utensils technical field especially relates to an air door adjustment mechanism of gas cooking utensils.

Background

Most of existing stove burners on the market are atmospheric burners, partial primary air needs to be premixed in advance, and therefore the amount of the required premixed primary air needs to be adjusted by an air door opening size adjusting device. Currently, there are two most common methods: one is through rotating the air adjusting plate, change the effective flow area of the suction inlet of primary air through the back-and-forth movement of the air adjusting plate, thus regulate the suction capacity of the primary air, such as Chinese utility model patent ZL201620848024.7 (grant publication No. CN 205909358U) discloses an air adjusting plate for adjusting the size of the injection hole in Chinese utility model patent for a gas cooker, there is a handle on the air adjusting plate, during the actual work, can rotate the air adjusting plate to adjust the size of the injection hole through controlling the handle, and then control the injection capacity of the primary air; secondly, the primary air injection amount is controlled by using the blowing mode of a blower of the blast stove, but the blower arrangement of the blast stove often influences the original natural injection capacity; the air door cannot be used for controlling primary air like original natural injection, the air blowing amount is usually controlled by controlling the rotating speed of the fan, the structure is complex, the procedure is complex, the fault is easy to occur, and therefore the air door adjusting mechanism of the gas cooker needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned prior art current situation and provide a simple structure and be difficult for the air door adjustment mechanism who is used for gas-cooker that breaks down.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this an air door adjustment mechanism for gas-cooker including drawing and penetrating pipe, nozzle holder and installing the nozzle on the nozzle holder, the spout orientation of nozzle draw the gas inlet end of penetrating the pipe, its characterized in that: the nozzle holder further comprises:

the base surrounds the periphery of the nozzle seat, and a blast channel communicated with a blast fan is formed between the base and the nozzle seat in a surrounding manner; and

and the air adjusting piece is arranged on the nozzle seat and can move relative to the air inlet end of the injection pipe along the axial direction of the injection pipe.

The air adjusting member preferably includes a plate body having a through hole at the center thereof through which the nozzle passes, and a peripheral wall connected to the plate body and mounted on the nozzle holder, from the viewpoint of simple structure. The center of the plate body of the air adjusting piece is provided with a through hole for the nozzle to pass through, so that the air adjusting piece can adjust the blast volume in the blast channel and the natural injection air channel formed between the nozzle seat and the air inlet end of the injection pipe while the gas injection of the nozzle is not hindered; if, when the air adjusting piece moves towards the air inlet end of the injection pipe, the blast volume in the blast channel becomes large, and the primary air volume of the natural injection air channel formed between the nozzle seat and the air inlet end of the injection pipe becomes small, otherwise, when the air adjusting piece moves reversely towards the air inlet end of the injection pipe, the blast volume in the blast channel becomes small, and the primary air volume of the natural injection air channel formed between the nozzle seat and the air inlet end of the injection pipe becomes large, so that the reverse adjustment can better adjust the proportion of two air flows.

Of course, besides the above-mentioned reverse adjustment of the ratio of the two air flows, the air flow can be adjusted in the same direction, preferably, a communication port communicated with the air blowing channel and the outside is arranged on the nozzle holder, and the size of the communication port can be changed when the air adjusting member moves along the axial direction of the injection pipe relative to the air inlet end of the injection pipe. Due to the arrangement of the communication port, when the air adjusting piece moves towards the air inlet end of the injection pipe, the communication port is at least partially opened, and the air volume in the air blowing channel can be partially discharged to the outside due to the local opening of the communication port, so that the primary air volume of the natural injection air channel formed between the nozzle seat and the air inlet end of the injection pipe is reduced, and the air volume in the air blowing channel is also reduced; on the contrary, when the air adjusting piece moves reversely towards the air inlet end of the injection pipe, the communication port is at least partially closed, and the blast volume in the blast channel can flow into the air inlet end of the injection pipe more due to the partial closing of the communication port, so that the primary air volume of the natural injection air channel formed between the nozzle seat and the air inlet end of the injection pipe is increased, and the blast volume in the blast channel is also increased.

In order to supplement the blast volume to the gas inlet end of the ejector pipe more directly, the flow direction of the blast channel in the ejector pipe is preferably consistent with the flow direction of the fuel gas.

Further, the nozzle seat comprises a first seat body consistent with the axis direction of the injection pipe and a second seat body perpendicular to the axis direction of the injection pipe.

In order to facilitate connection of the external gas to the second base, preferably, the base has a connection port corresponding to the second base, and the connection port is used for connection of the gas joint.

In order to achieve the above-mentioned co-directional adjustment of the air blowing passage and the natural ejection air passage, it is preferable that the through hole is located downstream of the connection port in the gas flow direction of the nozzle.

Compared with the prior art, the utility model has the advantages of: through having the base in the peripheral encirclement of current nozzle holder for enclose between base and the nozzle holder and become the blast air passageway that has and air-blast fan intercommunication, and the nozzle holder is formed with between the income gas port end of drawing the ejector pipe and draws and penetrate the air channel naturally, when adjusting the piece of adjusting the wind according to the combustion regime like this, can adjust the blast volume in the blast air passageway simultaneously and draw the primary air volume that penetrates the air channel naturally, with satisfy different air supplies and behaviour in use, simple structure just is difficult for breaking down.

Drawings

Fig. 1 is a schematic structural view of a damper adjustment mechanism in embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1 (illustrating the damper moving toward the inlet end of the eductor tube);

fig. 3 is a schematic structural view of an air adjusting member in embodiment 1 of the present invention;

fig. 4 is a cross-sectional view of the damper adjusting mechanism according to embodiment 2 of the present invention (the view shows a schematic view of the damper adjusting member moving in a reverse direction toward the air inlet end of the induction pipe);

fig. 5 is a schematic structural view of a nozzle holder and a base according to embodiment 2 of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Example 1

As shown in fig. 1 to 3, embodiment 1 of the present invention is described. The air door adjusting mechanism for the gas stove in the embodiment comprises an injection pipe 1, a nozzle seat 2 and a nozzle 3 arranged on the nozzle seat 2, wherein a nozzle of the nozzle 3 faces an air inlet end 11 of the injection pipe 1, the nozzle seat 2 further comprises a base 4 surrounding the periphery of the nozzle seat 2, and an air blowing channel 5 communicated with an air blowing fan is defined between the base 4 and the nozzle seat 2; and install the piece 6 of adjusting wind on the nozzle holder 2, should adjust wind piece 6 and can draw the inlet end 11 removal of the pipe 1 relatively along the axis direction of drawing the pipe 1, through having base 4 at the peripheral encirclement of current nozzle holder 2, make and enclose between base 4 and the nozzle holder 2 and have the blast air passageway 5 with the blast air fan intercommunication, and be formed with the nature and draw and penetrate the air passageway between the inlet end 11 of pipe 1 with drawing the nozzle holder 2, when adjusting the piece 6 of adjusting wind according to the combustion condition like this, can adjust the blast volume in the blast air passageway 5 and draw the primary air volume that penetrates the air passageway naturally simultaneously, in order to satisfy different air supplies and situation of use.

Specifically, from the viewpoint of simple structure, the air adjusting member 6 preferably includes a plate body 61 and a peripheral wall 62 connected to the plate body 61 and configured to be mounted on the nozzle holder 2, the plate body has a through hole 611 in the center through which the nozzle 3 passes, and the air adjusting member 6 has a through hole 611 in the center of the plate body 61 through which the nozzle 3 passes, so that the air adjusting member 6 can adjust the amount of air blown into the air blowing passage 5 and the size of the natural injection air passage formed between the nozzle holder 2 and the air inlet end 11 of the injection pipe 1 while not obstructing the injection of the gas by the nozzle 3; if, when adjusting wind piece 6 and moving towards the income gas port end 11 of driving pipe 1, the blast volume in the blast channel 5 became big, and the nozzle seat 2 and the income gas port end 11 of driving pipe 1 between the nature of formation draw the air channel the air quantity diminish, on the contrary, when adjusting wind piece 6 and moving towards the income gas port end 11 of driving pipe 1 backward, the blast volume in the blast channel 5 became little, and the nature that forms between nozzle seat 2 and the income gas port end 11 of driving pipe 1 draws the air channel the air quantity grow, such backward adjustment can adjust the proportion of two air currents better. In order to supplement the air blowing amount to the air inlet end 11 of the ejector tube 1 more directly, the flow direction of the air blowing passage 5 in the ejector tube 1 is consistent with the flow direction of the fuel gas, correspondingly, the nozzle seat 2 comprises a first seat body 22 consistent with the axial direction of the ejector tube 1 and a second seat body 23 perpendicular to the axial direction of the ejector tube 1, and the base 4 is provided with a connecting port 41 corresponding to the second seat body 23 for connecting the fuel gas connector 7, so that the external fuel gas is conveniently connected with the second seat body 23.

Example 2

The structure is basically the same as that of the embodiment 1, and the only difference is that: the proportion of the two airflows is adjusted in the same direction, specifically, a communicating port 21 communicated with the air blowing channel 5 and the outside is arranged on the nozzle seat 2, and the size of the communicating port 21 can be changed by the air adjusting piece 6 under the state that the air adjusting piece moves relative to the air inlet end 11 of the injection pipe 1 along the axial direction of the injection pipe 1. Due to the arrangement of the communication port 21, when the air adjusting piece 6 moves towards the air inlet end 11 of the ejector pipe 1, the communication port 21 is at least partially opened, and the air quantity in the air blowing channel 5 can be partially discharged to the outside due to the local opening of the communication port 21, so that the primary air quantity of a natural ejector air channel formed between the nozzle seat 2 and the air inlet end 11 of the ejector pipe 1 is reduced, and the air quantity in the air blowing channel 5 is also reduced; on the contrary, when the air adjusting member 6 moves reversely towards the air inlet end 11 of the ejector tube 1, the communication port 21 is at least partially closed, and the air volume in the air blowing passage 5 can flow into the air inlet end 11 of the ejector tube 1 more due to the partial closing of the communication port 21, so that the primary air volume of the natural ejector air passage formed between the nozzle holder 2 and the air inlet end 11 of the ejector tube 1 is increased, and the air volume in the air blowing passage 5 is also increased. Further, in order to achieve the above-described co-directional adjustment of the air blowing passage 5 and the natural injection air passage, the through hole 611 is located downstream of the connection port 41 in the gas flow direction of the nozzle 3, as shown in fig. 4 and 5.

Claims

1. The utility model provides an air door adjustment mechanism for gas-cooker, including drawing and penetrating pipe (1), nozzle holder (2) and installing nozzle (3) on nozzle holder (2), the spout orientation of nozzle (3) draw the income gas port end (11) of penetrating pipe (1), its characterized in that: the nozzle holder (2) further comprises:

the base (4) surrounds the periphery of the nozzle seat (2), and a blast channel (5) communicated with a blast fan is formed between the base (4) and the nozzle seat (2); and

the air adjusting piece (6) is arranged on the nozzle seat (2) and can move along the axial direction of the injection pipe (1) relative to the air inlet end (11) of the injection pipe (1).

2. The damper adjusting mechanism for a gas range according to claim 1, wherein: the air adjusting piece (6) comprises a plate body (61) and a peripheral wall (62) which is connected with the plate body (61) and is installed on the nozzle seat (2), and a through hole (611) for the nozzle (3) to penetrate through is formed in the center of the plate body (61).

3. The damper adjusting mechanism for a gas range according to claim 2, wherein: the nozzle seat (2) is provided with a communicating port (21) communicated with the air blowing channel (5) and the outside, and the size of the communicating port (21) can be changed when the air adjusting piece (6) moves along the axial direction of the injection pipe (1) relative to the air inlet end (11) of the injection pipe (1).

4. The damper adjusting mechanism for a gas range according to any one of claims 2 to 3, wherein: the flowing direction of the blast channel (5) in the injection pipe (1) is consistent with the flowing direction of fuel gas.

5. The damper adjusting mechanism for a gas range according to claim 4, wherein: the nozzle seat (2) comprises a first seat body (22) consistent with the axial direction of the injection pipe (1) and a second seat body (23) perpendicular to the axial direction of the injection pipe (1).

6. The damper adjusting mechanism for a gas range according to claim 5, wherein: the base (4) is provided with a connecting port (41) for connecting a gas joint corresponding to the second base body (23).

7. The damper adjusting mechanism for a gas range according to claim 6, wherein: the through hole (611) is located downstream of the connection port (41) in a gas flow direction of the nozzle (3).