Gas valve for commercial furnace

Abstract

The utility model relates to a gas valve for a commercial furnace, which comprises a valve main body, the valve main body is provided with a valve core cavity, a gas inlet channel and a plurality of gas outlet channels used for being communicated with a gas inlet of a furnace end, and a regulating valve core movably connected with the valve core cavity is arranged in the valve core cavity. The adjusting valve element moves relative to the valve element cavity so that the air inlet channel and each air outlet channel can be in a conduction state or a separation state, control over the multiple air outlet channels can be achieved through the single adjusting valve element, multiple adjusting valve elements do not need to be additionally arranged, the installation difficulty of equipment is simplified, and the labor cost and the material cost of the equipment are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gas equipment, specifically relates to a gas valve for commercial furnace. BACKGROUND

[0002] The fire of commercial furnace is usually strong, the furnace head has multiple ring fire, the outside of the furnace head needs to be provided with multiple gas valves to control each ring fire one by one, and workers need to install multiple groups of gas valves during assembly, so that the labor cost and material cost of commercial furnace are relatively high.

[0003] Therefore, further improvement is needed. SUMMARY

[0004] The utility model discloses a gas valve for commercial furnace can control multiple gas outlets simultaneously, reduce the difficulty of assembly, improve the production efficiency of commercial furnace and reduce the material cost.

[0005] The utility model discloses a gas valve for commercial furnace can control multiple gas outlets simultaneously, reduce the difficulty of assembly, improve the production efficiency of commercial furnace and reduce the material cost.

[0006] A gas valve for commercial furnace, comprising a valve body, the valve body has a valve core cavity, an air inlet channel and a plurality of air outlet channels for communicating with the air inlet of the furnace head, a regulating valve core movably arranged in the valve core cavity, the regulating valve core can form a conductive state or a cut-off state between the air inlet channel and each air outlet channel by moving relative to the valve core cavity.

[0007] As a specific scheme, the valve core cavity is provided with a plurality of cavity air outlet holes, the cavity air outlet holes correspond to each air outlet channel one by one, the regulating valve core is provided with a core air outlet hole corresponding to the cavity air outlet hole, the regulating valve core further has a core air inlet hole communicating with each core air outlet hole respectively, the core air inlet hole can communicate with the air inlet channel, the regulating valve core can align or misalign the core air outlet hole with the corresponding cavity air outlet hole by moving relative to the valve core cavity, so as to form a conductive state or a cut-off state between the air inlet channel and each air outlet channel.

[0008] As a specific scheme, the cavity air outlet holes and the core air outlet holes are distributed on the valve core cavity and the regulating valve core respectively along the circumference, the horizontal height between different cavity air outlet holes forms a spacing, and the regulating valve core can align or misalign the core air outlet hole with the corresponding cavity air outlet hole by rotating relative to the valve core cavity.

[0009] As a specific scheme, the valve body is provided with an ignition valve cavity adjacent to the valve core cavity, the ignition valve cavity is provided with an electromagnetic valve, a cavity air inlet hole is arranged between the ignition valve cavity and the valve core cavity, the air inlet channel communicates with the ignition valve cavity, and the electromagnetic valve can open or close the cavity air inlet hole to make the air inlet channel communicate with or cut off the valve core cavity.

[0010] As a specific scheme, the adjusting valve core is connected with a movable jack rod, the movable jack rod can push the electromagnetic valve to open the cavity air inlet hole, the electromagnetic valve is connected with a reset spring, and the reset spring can push the electromagnetic valve to close the cavity air inlet hole.

[0011] As a specific scheme, the electromagnetic valve is electrically connected with a thermocouple, and the thermocouple can continuously open the cavity air inlet hole of the electromagnetic valve through the heat generated by the furnace head.

[0012] As a specific scheme, the valve body has three air outlet channels, the central axis of the middle air outlet channel passes through the center position of the valve body, and the other two air outlet channels are distributed on the left and right sides of the middle air outlet channel.

[0013] As a specific scheme, the valve body has two air outlet channels, the central axis of the first air outlet channel passes through the center position of the valve body, and the second air outlet channel is arranged on the left side of the first air outlet channel.

[0014] The beneficial effects of the present application are as follows:

[0015] A single adjusting valve core can control multiple air outlet channels, and multiple adjusting valve cores do not need to be additionally arranged, so that the installation difficulty of the equipment is simplified, and the labor cost and material cost of the equipment are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a decomposition schematic view of the first embodiment of the present application.

[0017] Figure 2 It is a cross-sectional schematic view of the first embodiment of the present application Figure One .

[0018] Figure 3 It is a cross-sectional schematic view of the first embodiment of the present application Figure Two .

[0019] Figure 4 It is a use state schematic view of the first embodiment of the present application.

[0020] Figure 5 It is a structure schematic view of the second embodiment of the present application. DETAILED DESCRIPTION

[0021] The present application will be further described below in combination with the drawings and embodiments.

[0022] First embodiment:

[0023] Referring to Figures 1-4The gas valve for the commercial furnace comprises a valve body 1, the valve body 1 is provided with a valve core cavity 11, an air inlet channel 12 and a plurality of air outlet channels 13 for communicating with the air inlet of the furnace head, the valve core cavity 11 is provided with an adjusting valve core 2 movably connected therewith, the adjusting valve core 2 can make the air inlet channel 12 and each air outlet channel 13 form a conductive state or an isolated state by moving relative to the valve core cavity 11, a single adjusting valve core 2 can realize the control of a plurality of air outlet channels 13, without the need of additionally setting a plurality of adjusting valve cores 2, which simplifies the installation difficulty of the equipment and reduces the labor cost and material cost of the equipment.

[0024] Further, the valve core cavity 11 is provided with a plurality of cavity air outlet holes 111, the cavity air outlet holes 111 correspond to each air outlet channel 13 one by one, the adjusting valve core 2 is provided with a core air outlet hole 21 corresponding to the cavity air outlet hole 111, the adjusting valve core 2 is further provided with a core air inlet hole 22 in communication with each core air outlet hole 21, the core air inlet hole 22 can be in communication with the air inlet channel 12, the adjusting valve core 2 can make the core air outlet hole 21 and the corresponding cavity air outlet hole 111 align or misalign by moving relative to the valve core cavity 11, so as to make the air inlet channel 12 and each air outlet channel 13 form a conductive state or an isolated state, the overall structure is simple and not prone to failure.

[0025] Further, the cavity air outlet holes 111 and the core air outlet holes 21 are distributed on the valve core cavity 11 and the adjusting valve core 2 along the circumference respectively, the horizontal height between different cavity air outlet holes 111 forms a spacing, the adjusting valve core 2 can make the core air outlet hole 21 and the corresponding cavity air outlet hole 111 align or misalign by making a rotation movement relative to the valve core cavity 11, the user only needs to rotate the adjusting valve core 2 to realize the control of the use state of each air outlet channel 13, which is simple and convenient to operate.

[0026] Further, the position adjacent to the valve core cavity 11 in the valve body 1 is provided with an ignition valve cavity 14, the ignition valve cavity 14 is provided with an electromagnetic valve 3, the ignition valve cavity 14 and the valve core cavity 11 are provided with a cavity air inlet hole 15, the air inlet channel 12 is in communication with the ignition valve cavity 14, the electromagnetic valve 3 can open or close the cavity air inlet hole 15 to make the air inlet channel 12 and the valve core cavity 11 conductive or isolated.

[0027] Further, the adjusting valve core 2 is connected with a movable top rod 4, the movable top rod 4 can push the electromagnetic valve 3 to open the cavity air inlet hole 15, the electromagnetic valve 3 is connected with a reset spring 31, the reset spring 31 can push the electromagnetic valve 3 to close the cavity air inlet hole 15.

[0028] Further, the electromagnetic valve 3 is electrically connected with a thermocouple (not marked in the figure), the thermocouple can make the electromagnetic valve 3 continuously open the cavity air inlet hole 15 through the heat generated by the furnace head, which can play a flameout protection effect and improve the safety of the equipment.

[0029] When ignition is needed, the user presses the movable top rod 4 and pushes the electromagnetic valve 3 to open the cavity air inlet hole 15, the burner starts to ignite, the thermocouple generates an electric signal to the electromagnetic valve 3 after being heated, and the electromagnetic valve 3 is maintained open, when the flame is extinguished, the thermocouple stops generating an electric signal, and the electromagnetic valve 3 is closed again under the action of the reset spring 31.

[0030] Further, the valve body 1 has three gas outlet channels 13, the central axis of the middle gas outlet channel 13 passes through the center position of the valve body 1, and the other two gas outlet channels 13 are respectively distributed on the left and right sides of the middle gas outlet channel 13.

[0031] Second embodiment:

[0032] See Figure 5 The difference between the present embodiment and the first embodiment is that the valve body 1 of the gas valve for the commercial stove has two gas outlet channels 13, the central axis of the first gas outlet channel 13 passes through the center position of the valve body 1, and the second gas outlet channel 13 is arranged on the left side of the first gas outlet channel 13.

[0033] The rest is the same as the first embodiment, which will not be repeated here.

[0034] The above embodiments are only preferred schemes of the present application, and the present application can have other embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present application, and these equivalent modifications or substitutions are all included in the scope set by the claims of the present application.

Claims

1. A gas valve for commercial furnaces, characterized in that: The invention comprises a valve body (1), wherein the valve body (1) has a valve core cavity (11), an air inlet channel (12) and a plurality of air outlet channels (13) for communicating with the air inlet of a burner head, wherein a regulating valve core (2) movably connected to the valve core cavity (11) is provided in the valve core cavity (11), and the regulating valve core (2) can form a conducting state or a blocking state between the air inlet channel (12) and each air outlet channel (13) by moving relative to the valve core cavity (11).

2. The gas valve for commercial furnace according to claim 1, characterized in that: The valve core cavity (11) is provided with a plurality of cavity air outlet holes (111), and the cavity air outlet holes (111) correspond to each air outlet channel (13) one by one. The regulating valve core (2) is provided with a core air outlet hole (21) corresponding to the cavity air outlet hole (111). The regulating valve core (2) also has a core air inlet hole (22) respectively connected to each core air outlet hole (21). The core air inlet hole (22) can be connected to the air inlet channel (12). The regulating valve core (2) can align or stagger the core air outlet hole (21) with the corresponding cavity air outlet by moving relative to the valve core cavity (11), so that the air inlet channel (12) and each air outlet channel (13) are in a conducting state or a disconnected state.

3. The gas valve for commercial furnace according to claim 2, characterized in that: The cavity air outlet holes (111) and the core air outlet holes (21) are respectively distributed along the circumferential direction on the valve core cavity (11) and the regulating valve core (2), and the horizontal heights between the different cavity air outlet holes (111) form a spacing. The regulating valve core (2) can align or stagger the core air outlet holes (21) with the corresponding cavity air outlet holes by rotating relative to the valve core cavity (11).

4. The gas valve for commercial furnace according to claim 2, characterized in that: An ignition valve cavity (14) is provided in the valve body (1) at a position adjacent to the valve core cavity (11), a solenoid valve (3) is provided in the ignition valve cavity (14), a cavity air inlet hole (15) is provided between the ignition valve cavity (14) and the valve core cavity (11), the air inlet channel (12) is connected to the ignition valve cavity (14), and the solenoid valve (3) can open or close the cavity air inlet hole (15) to connect or disconnect the air inlet channel (12) and the valve core cavity (11).

5. The gas valve for commercial furnace according to claim 4, characterized in that: The regulating valve core (2) is connected to a movable push rod (4), and the movable push rod (4) is capable of pushing the solenoid valve (3) to open the cavity air inlet hole (15). The solenoid valve (3) is connected to a return spring (31), and the return spring (31) is capable of pushing the solenoid valve (3) to close the cavity air inlet hole (15).

6. The gas valve for commercial furnace according to claim 5, characterized in that: The solenoid valve (3) is electrically connected to a thermocouple, and the thermocouple can cause the solenoid valve (3) to continuously open the cavity air inlet (15) through the heat generated by the burner.

7. The gas valve for commercial furnace according to any one of claims 1 to 6, characterized in that: The valve body (1) has three air outlet channels (13), the central axis of the middle air outlet channel (13) passes through the center of the valve body (1), and the other two air outlet channels (13) are respectively distributed on the left and right sides of the middle air outlet channel (13).

8. The gas valve for commercial furnace according to any one of claims 1 to 6, characterized in that: The valve body (1) has two air outlet channels (13), the central axis of the first air outlet channel (13) passes through the center of the valve body (1), and the second air outlet channel (13) is arranged on the left side of the first air outlet channel (13).

Images