CN220792144U - Gas oven valve - Google Patents

Abstract

The utility model relates to a gas oven valve, which comprises a valve body and a valve rod, wherein the valve body is provided with an air inlet channel, a main air outlet channel, an auxiliary air outlet channel and a valve core cavity; the method is characterized in that: the auxiliary fire hole is communicated with the ventilation cavity through the valve port, a piston rod with a first sealing ring penetrates through the valve core, the piston rod is supported by a first spring to keep moving upwards, the piston rod is positioned below the valve rod, and the piston rod can be pushed to move downwards by moving downwards of the valve rod; the valve body is internally provided with an air-entraining channel which is connected with the main air-out channel and the air-entraining cavity, the air-entraining channel extends upwards and towards the direction back to the air-in channel, and the inlet end of the air-entraining channel is communicated with the valve core cavity below the valve core. The outlet of the main air outlet channel is closer to the upper part of the valve body, so that the main air outlet channel can be communicated with the burner without extending into the oven too much.

Description

Gas oven valve

Technical Field

The utility model relates to a gas valve, in particular to a gas oven valve suitable for an outdoor gas oven.

Background

The gas oven valve is a manually operated valve that controls the supply of gas. The common plug valve generally comprises a valve body provided with an air inlet channel and an air outlet channel, a rotatable valve core is arranged in the valve body, a spring cavity is arranged at the upper part of the valve core, a ventilation cavity is arranged at the lower part of the valve core, a valve rod capable of driving the valve core to rotate is arranged on the valve body in a penetrating manner, a spring which enables the valve rod to move upwards and separate from the connection trend of the valve core is held at the lower end top of the valve rod, the spring is positioned in the spring cavity on the valve core, and a large fire hole and a small fire hole which are used for communicating the air inlet channel and the air outlet channel are formed in the side wall of the ventilation cavity of the valve core. When the gas burner is used, a user operates the valve rod through the knob arranged on the operation panel, generally presses the knob and rotates anticlockwise, and can drive the valve core to rotate anticlockwise, so that the big fire hole on the valve core is communicated with the gas inlet channel in the valve body, and at the moment, the gas source can be sprayed out from the nozzle through the gas inlet channel, the big fire hole, the gas vent cavity and the gas outlet channel for the gas burner. The outdoor gas barbecue oven is characterized in that a igniting rack is arranged on a valve body of a traditional plug valve, the igniting rack is a tubular component with an air outlet channel, the air inlet end of the igniting rack is communicated with an ignition air channel in the valve body, an ignition wire of a gas valve is aligned with the air outlet end of the tubular component, and during ignition, gas is sprayed out from the air outlet end of the tubular component, and the ignition wire generates sparks to ignite the gas.

The patent of China patent No. ZL201920385596.X (bulletin No. CN 210014087U) discloses a gas valve for a gas oven, which comprises a valve body, a main gas outlet pipe arranged on the valve body, a ignition gas outlet pipe communicated with the valve body, a nozzle arranged at the gas outlet end of the ignition gas outlet pipe, a igniting tube and an igniting needle fixed on the igniting tube, wherein the gas outlet end of the igniting tube is provided with an igniting hole, and the igniting needle is fixed on the igniting tube; the air inlet end of the ignition tube is connected with the ignition air outlet tube. And chinese patent application No. zl201910368868.X (publication No. CN110145610 a) 'a dual fuel oven valve without nozzle replacement', they also disclose a gas oven valve similar to the aforementioned patent.

The gas outlet ends of the gas oven valve are all directly communicated with the bottom end of the valve body to outlet gas, so that the gas valve can be communicated with the burner after being stretched into the oven, the whole depth of the gas oven is limited, and the existing gas outlet mode can only reduce the length of the burner in a limited depth range.

Therefore, the air outlet mode of the existing gas oven valve can be further optimized.

Disclosure of Invention

The first technical problem to be solved by the present utility model is to provide a gas oven valve with better optimized gas outlet mode in view of the above state of the art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: the gas oven valve comprises a valve body with an air inlet channel, a main air outlet channel, an auxiliary air outlet channel and a valve core cavity, and a valve rod, wherein a valve core driven by the valve rod to rotate is arranged in the valve core cavity; the method is characterized in that: the auxiliary fire hole is positioned above the main fire hole, the main fire hole is directly communicated with the ventilation cavity, the auxiliary fire hole is communicated with the ventilation cavity through a valve port in the valve core, a piston rod with a first sealing ring capable of moving up and down is penetrated in the valve core, the upper end of the piston rod stretches into the connection cavity, the piston rod is supported by a first spring to be kept to move up so as to enable the first sealing ring to seal the valve port trend, the piston rod is positioned below the valve rod, and the first sealing ring can be pushed by the downward movement of the valve rod to move down along with the piston rod to open the valve port; the valve body is provided with a igniting rack communicated with the auxiliary fire hole; the valve body is internally provided with a gas-entraining channel which is connected with the main gas-out channel and the ventilation cavity, the gas-entraining channel extends upwards and is opposite to the direction of the gas-in channel, the inlet end of the gas-entraining channel is communicated with the valve core cavity below the valve core, and the outlet directions of the main gas-out channel and the auxiliary gas-out channel are downward.

For the convenience of forming the bleed air channel, the bleed air channel is Z-shaped and provided with a lower transverse channel, a vertical channel and an upper transverse channel, the lower transverse channel is communicated with a valve core cavity below the valve core, the upper end and the lower end of the vertical channel are respectively communicated with the upper transverse channel and the lower transverse channel, and the upper transverse channel is communicated with the main air outlet channel. The lower transverse channel, the vertical channel and the upper transverse channel are all horizontal, flat and vertical, one end of the channel penetrating through the valve body is conveniently formed, after the channel is formed, the tail end of the corresponding channel is only required to be blocked by a spherical plug, and the processing and forming are facilitated.

As an improvement, the piston rod is sleeved with a second sealing ring, an upper spring seat and a lower spring seat, the second sealing ring, the upper spring seat and the lower spring seat are all located in a connecting cavity of the valve core, the lower spring seat is tightly pressed on the second sealing ring by a first spring, the second sealing ring seals a through hole in the bottom wall of the connecting cavity, through which the piston rod passes, the upper spring seat is arranged at the upper end of the piston rod, and the upper end of the first spring acts on the upper spring seat to enable the piston rod to keep upward moving. The piston rod penetrates through the bottom surface of the connecting cavity, so that the second sealing ring can effectively prevent fuel gas from leaking to the connecting cavity, and the use is safer; the arrangement of the lower spring seat prevents the first spring from being directly pressed on the second sealing ring, thereby protecting the left and right of the second sealing ring, and simultaneously, the force transmitted to the second sealing ring by the first spring is more balanced; the arrangement of the upper spring seat can enable the force of the first spring to be transferred to the piston rod more uniformly.

Preferably, the peripheral wall of the connecting cavity is provided with a slot for inserting the lower end of the valve rod, the valve rod is sleeved with a corner limiting piece, the periphery of the valve rod is provided with a stop shoulder, the valve rod is sleeved with a second spring, and the second spring acts on the corner limiting piece to enable the corner limiting piece to be pressed upwards on the lower end face of the stop shoulder, so that the valve rod keeps moving upwards. The second spring enables the corner limiting piece to be always pressed on the stop shoulder, so that the valve rod and the corner limiting piece keep moving upwards, the inner top wall of the valve core cavity can be provided with a corresponding groove and a stop block, and the valve rod can be driven to rotate only when the valve rod is pressed downwards in an initial state.

In order to facilitate the manufacture of the valve body and the assembly of the components into the valve body, the valve body comprises an upper valve housing and a lower valve housing, the upper valve housing is fixed above the lower valve housing, and the air inlet channel, the main air outlet channel, the auxiliary air outlet channel, the valve core cavity and the air entraining channel are all arranged in the lower valve housing. The valve body comprises two major parts, does benefit to processing assembly, and each air flue sets up on lower valve casing concentratedly, can make the valve casing structure more simple, does benefit to processing.

For the convenience to fire with the fire row of main nozzle switch-on, main nozzle is installed to the exit end of above-mentioned main passageway of giving vent to anger, auxiliary nozzle is installed to the exit end of auxiliary passageway of giving vent to anger, install the igniting rack on the lower valve casing, auxiliary nozzle is put through with the passageway of giving vent to anger in the igniting rack, the lower part of igniting rack installs the some firearm, and the gas outlet end of igniting rack is aimed at to the some firearm, be equipped with the controller that is used for controlling the some firearm and ignites or not in the valve casing, the controller passageway wire with the some firearm is connected, the triggering end of controller stretches into the inner chamber of valve casing on, the cover is equipped with the trigger dish on the case, pushes down at the valve rod and drives the piston rod and move down and drive the case and rotate to auxiliary fire hole and auxiliary passageway switch-on under, the trigger dish triggers the triggering end of controller. The controller is arranged in the valve body, so that the ignition control part is integrally arranged in the valve body, and the appearance of the gas oven valve is simpler.

Compared with the prior art, the gas oven valve has the advantages that: through the setting of upwards and towards the extension bleed air passageway of back inlet channel direction in the valve body, can locate the auxiliary air outlet passageway in the position of leaning on of valve body, compare in the bottom of valve body, the export of main air outlet passageway is more by the upper portion of valve body, the main air outlet passageway need not to excessively stretch into the oven like this and can switch on with the combustor more, under the prerequisite of limited gas oven whole degree of depth, can make as long as possible with the water heater length of main air outlet passageway switch on, promotes the area of crossing the fire of the oven that adopts this gas oven valve.

Drawings

FIG. 1 is a schematic perspective view of a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of the present utility model;

fig. 3 is a cross-sectional view (in the axial direction of the intake passage) of an embodiment of the utility model;

FIG. 4 is a cross-sectional view (along the axial direction of the outlet channel) of an embodiment of the present utility model;

FIG. 5 is a schematic perspective view of an embodiment of the present utility model (with the firearms removed);

fig. 6 is a schematic perspective view of a lower valve housing in accordance with an embodiment of the present utility model;

fig. 7 is a schematic perspective view of a valve core according to an embodiment of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1-7, is a preferred embodiment of a gas oven valve.

The utility model provides a gas oven valve, includes valve body 1 and valve rod 2 that has inlet channel 1a, main passageway 1b that gives vent to anger, auxiliary outlet channel 1c and valve core chamber 1d, be equipped with in the valve core chamber 1d by valve rod 2 drive rotatory case 3, the upper portion of case 3 is equipped with the opening up and supplies the connecting chamber 32 that valve rod 2 connects, the case 3 lower part is equipped with the vent chamber 31 of opening down, open on the vent chamber 31 lateral wall of case has the main fire hole 33 that is used for intercommunication inlet channel 1a and main passageway 1b, and is used for intercommunication inlet channel 1a and auxiliary fire hole 34 of auxiliary outlet channel 1 c. The main fire hole 33 may be plural, and reference is made to the prior art.

The auxiliary fire hole 34 is positioned above the main fire hole 33, the main fire hole 33 is directly communicated with the ventilation cavity 31, the auxiliary fire hole 34 is communicated with the ventilation cavity 31 through a valve port 35 in the valve core 3, a piston rod 6 with a first sealing ring 5a capable of moving up and down is penetrated in the valve core 3, the upper end of the piston rod 6 stretches into the connecting cavity 32, the piston rod 6 is supported by a first spring 7a to keep moving up so that the first sealing ring 5a is used for blocking the valve port 35, the piston rod 6 is positioned below the valve rod 2, and the first sealing ring 5a can be pushed by the downward movement of the valve rod 2 to move down along with the piston rod 6 so as to open the valve port 35; the valve body 1 is provided with a igniting frame 8 communicated with the auxiliary fire hole 34; the valve body 1 is internally provided with a bleed air channel 1e, the bleed air channel 1e extends upwards and is opposite to the air inlet channel 1a, the inlet end of the bleed air channel 1e is communicated with a valve core cavity 1d below the valve core 3, the outlet end of the bleed air channel 1e is communicated with the main air outlet channel 1b, and the outlet directions of the main air outlet channel 1b and the auxiliary air outlet channel 1c are downwards.

The bleed air channel 1e is Z-shaped with a lower transverse channel 1e1, a vertical channel 1e2 and an upper transverse channel 1e3, the lower transverse channel 1e1 is communicated with a spool cavity 1d below the spool 3, the upper end and the lower end of the vertical channel 1e2 are respectively communicated with the upper transverse channel 1e3 and the lower transverse channel 1e1, and the upper transverse channel 1e3 is communicated with the main air outlet channel 1 b.

The piston rod 6 is sleeved with a second sealing ring 5b, an upper spring seat 61 and a lower spring seat 62, the second sealing ring 5b, the upper spring seat 61 and the lower spring seat 62 are all located in the connecting cavity 32 of the valve core, the lower spring seat 62 is pressed on the second sealing ring 5b by a first spring 7a, the second sealing ring 5b seals a through hole 321 in the bottom wall of the connecting cavity 32 for the piston rod 6 to pass through, the upper spring seat 61 is arranged at the upper end of the piston rod 6, and the upper end of the first spring 7a acts on the upper spring seat 61 so that the piston rod 6 keeps moving upwards.

The peripheral wall of the connecting cavity 32 is provided with a slot 322 for inserting the lower end of the valve rod 2, the valve rod 2 is sleeved with a corner limiting piece 22, the periphery of the valve rod 2 is provided with a stop shoulder 21, the valve rod 2 is sleeved with a second spring 7b, and the second spring 7b acts on the corner limiting piece 22 to enable the corner limiting piece 22 to be pressed upwards on the lower end face of the stop shoulder 21, so that the valve rod 2 keeps moving upwards.

The valve body 1 comprises an upper valve housing 11 and a lower valve housing 12, the upper valve housing 11 is fixed above the lower valve housing 12, and the air inlet channel 1a, the main air outlet channel 1b, the auxiliary air outlet channel 1c, the spool cavity 1d and the air entraining channel 1e are all arranged in the lower valve housing 12.

The main nozzle 10a is installed at the outlet end of the main air outlet channel 1b, the auxiliary nozzle 10b is installed at the outlet end of the auxiliary air outlet channel 1c, the igniting rack 8 is installed on the lower valve shell 12, the auxiliary nozzle 10b is communicated with the igniting channel in the igniting rack 8, the igniter 9 is installed at the lower part of the igniting rack 8, the igniter 9 is aligned to the air outlet end of the igniting rack 8, the upper valve shell 11 is internally provided with a controller 91 for controlling whether the igniter 9 ignites or not, a channel lead 92 of the controller 91 is connected with the igniter 9, a triggering end 911 of the controller 91 extends into the inner cavity of the upper valve shell 11, a triggering disc 93 is sleeved on the valve core 3, and the triggering disc 93 triggers the triggering end 911 of the controller 91 under the condition that the valve rod 2 is pressed down to drive the piston rod 6 to move downwards and drive the valve core 3 to rotate until the auxiliary fire hole 34 is communicated with the auxiliary air outlet channel 1 c.

When the gas igniting device is used, the valve rod 2 is pressed down, the valve rod 2 pushes the piston rod 6 to move downwards to open the valve port 35, the main gas outlet channel 1b, the ventilation cavity 31, the valve port 35 and the auxiliary fire hole 34 are opened, then the valve rod 2 is rotated to drive the valve core 3 to rotate to the connection position of the auxiliary fire hole 34 and the auxiliary gas outlet channel 1c, gas is guided out of the auxiliary gas outlet channel 1c only through the igniting rack 8, and the igniter 9 works to ignite the outlet end of the igniting rack 8. At this time, the main fire hole 33 is also communicated with the main gas outlet passage 1b, and the outlet end fire of the ignition frame 8 ignites the burner communicated with the main gas outlet passage 1 b.

Through the setting of upwards and towards the extension bleed air passageway of direction of back inlet channel 1a in the valve body 1, can locate the auxiliary air outlet channel 1c in the position of leaning on of valve body 1, compare in the bottom of valve body 1, the export of main air outlet channel 1b is more by the upper portion of valve body 1, like this main air outlet channel 1b need not to excessively stretch into the oven and can switch on with the combustor more, under the prerequisite of limited gas oven overall depth, the water heater length that switches on with main air outlet channel 1b can be as long as possible, promotes the excessive fire area of the oven that adopts this gas oven valve.

It should be noted that, in the description of the present embodiment, the terms "front, rear", "left, right", "upper, lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims (6)

1. The utility model provides a gas oven valve, includes valve body (1) and valve rod (2) that have inlet channel (1 a), main air outlet channel (1 b), auxiliary air outlet channel (1 c) and valve core chamber (1 d), be equipped with in valve core chamber (1 d) by valve rod (2) drive rotatory case (3), the upper portion of case (3) is equipped with opening up and supplies connecting chamber (32) that valve rod (2) connect, case (3) lower part is equipped with vent chamber (31) of opening down, open main fire hole (33) that are used for communicating inlet channel (1 a) and main air outlet channel (1 b) on the vent chamber (31) lateral wall of case, and auxiliary fire hole (34) that are used for communicating inlet channel (1 a) and auxiliary air outlet channel (1 c); the method is characterized in that: the auxiliary fire hole (34) is positioned above the main fire hole (33), the main fire hole (33) is directly communicated with the ventilation cavity (31), the auxiliary fire hole (34) is communicated with the ventilation cavity (31) through a valve port (35) in the valve core (3), a piston rod (6) with a first sealing ring (5 a) capable of moving up and down is penetrated in the valve core (3), the upper end of the piston rod (6) stretches into the connecting cavity (32), the piston rod (6) is supported and kept to move up by a first spring (7 a) to enable the first sealing ring (5 a) to seal the trend of the valve port (35), the piston rod (6) is positioned below the valve rod (2), and the first sealing ring (5 a) can be pushed to move down along with the piston rod (6) to open the valve port (35); a igniting rack (8) communicated with the auxiliary fire hole (34) is arranged on the valve body (1); the valve body (1) is internally provided with an air entraining channel (1 e), the air entraining channel (1 e) extends upwards and towards the direction opposite to the air inlet channel (1 a), the inlet end of the air entraining channel (1 e) is communicated with a valve core cavity (1 d) below the valve core (3), the outlet end of the air entraining channel (1 e) is communicated with the main air outlet channel (1 b), and the outlet directions of the main air outlet channel (1 b) and the auxiliary air outlet channel (1 c) are downwards.

2. The gas grill valve according to claim 1, wherein: the air entraining channel (1 e) is Z-shaped with a lower transverse channel (1 e 1), a vertical channel (1 e 2) and an upper transverse channel (1 e 3), the lower transverse channel (1 e 1) is communicated with a spool cavity (1 d) below the spool (3), the upper end and the lower end of the vertical channel (1 e 2) are respectively communicated with the upper transverse channel (1 e 3) and the lower transverse channel (1 e 1), and the upper transverse channel (1 e 3) is communicated with the main air outlet channel (1 b).

3. The gas grill valve according to claim 1, wherein: the piston rod (6) is sleeved with a second sealing ring (5 b), an upper spring seat (61) and a lower spring seat (62), the second sealing ring (5 b), the upper spring seat (61) and the lower spring seat (62) are all located in a connecting cavity (32) of the valve core, the lower spring seat (62) is pressed on the second sealing ring (5 b) by a first spring (7 a), the second sealing ring (5 b) seals a through hole (321) in the bottom wall of the connecting cavity (32) for the piston rod (6) to pass through, the upper spring seat (61) is installed at the upper end of the piston rod (6), and the upper end of the first spring (7 a) acts on the upper spring seat (61) so as to enable the piston rod (6) to keep moving upwards.

4. The gas grill valve according to claim 3, wherein: the connecting cavity (32) is provided with a slot (322) for the lower end of the valve rod (2) to be inserted in, a corner limiting piece (22) is sleeved on the valve rod (2), a shoulder (21) is arranged on the periphery of the valve rod (2), a second spring (7 b) is sleeved on the valve rod (2), and the second spring (7 b) acts on the corner limiting piece (22) to enable the corner limiting piece to be pressed upwards on the lower end face of the shoulder (21), so that the valve rod (2) keeps moving upwards.

5. The gas grill valve according to any one of claims 1 to 4, wherein: the valve body (1) comprises an upper valve shell (11) and a lower valve shell (12), the upper valve shell (11) is fixed above the lower valve shell (12), and the air inlet channel (1 a), the main air outlet channel (1 b), the auxiliary air outlet channel (1 c), the valve core cavity (1 d) and the air entraining channel (1 e) are all arranged in the lower valve shell (12).

6. The gas grill valve according to claim 5, wherein: the utility model provides a fire-fighting device is characterized in that a main nozzle (10 a) is installed at the exit end of main gas outlet channel (1 b), auxiliary nozzle (10 b) is installed to the exit end of auxiliary gas outlet channel (1 c), igniting rack (8) are installed on lower valve casing (12), auxiliary nozzle (10 b) are put through with the igniting channel in igniting rack (8), igniter (9) are installed to the lower part of igniting rack (8), the gas outlet end of igniting rack (8) is aimed at to igniter (9), be equipped with in upper valve casing (11) and be used for controlling igniter (9) and fire or not controller (91), controller (91) passageway wire (92) with the inner chamber of igniter (9), trigger end (911) of controller (91) stretches into upper valve casing (11), cover is equipped with trigger dish (93) on case (3), pushes down in valve rod (2) and drives piston rod (6) and moves down and rotate to auxiliary fire hole (34) and auxiliary gas outlet channel (1 c) under the state of triggering dish (93).