Gas mixing device

Abstract

The utility model discloses a gas mixing device, including a shell, the shell is connected with a mixing assembly for gas mixing, the mixing assembly includes: an air supply assembly for air supply installed on the lower side of the shell, the air supply assembly includes an air pump arranged at the bottom of the shell, the air pump suction end is provided with an air suction pipe, the middle end of the bottom of the shell is provided with a motor, the output end of the motor is connected with a gear assembly, the driven gear in the gear assembly is connected with a jet column connected to the right side of the shell, and the utility model relates to the technical field of gas mixing. In the gas mixing device, the motor drives the jet column and the auxiliary jet column to rotate in the opposite direction through the gear assembly, the air pump is turned on and the external gas is injected into the auxiliary jet column through the gas pipe, the air pump extracts the external gas through the suction pipe and the filter assembly, and then the gas is sprayed into the shell through the injection pipe, sleeve, connecting strip, and jet hole and fully mixed with the gas sprayed from the auxiliary jet column.

Description

Technical Field

[0001] The utility model relates to the technical field of gas mixing, in particular to a gas mixing device. Background Art

[0002] When the stove is in use, a corresponding gas mixing device is required to draw outside air to the gas pipe end for mixing with the gas ejected therefrom. A stove gas mixing device with reference to patent number CN211146585U includes a stove core and a fan. The bottom end of the stove core is equipped with a fan, and the output end of the fan is connected to the bottom end of the vertical shaft through a connecting pipe, so as to improve the mixing effect, make the structural design more reasonable, and make it more convenient to use. As described in the above patent, when the existing gas mixing device is used, it only blows outside air to the gas pipe end, but fails to fully mix with the gas ejected from the gas pipe end, which easily causes uneven concentration of the mixed gas, and the device fails to filter impurities in the extracted gas, thereby affecting subsequent gas combustion. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a gas mixing device, which solves the problem that the gas and air cannot be fully mixed, thus affecting the subsequent gas combustion.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: A gas mixing device includes a shell, the shell is connected to a mixing assembly for gas mixing, and the mixing assembly includes:

[0005] An air supply assembly is installed on the lower side of the shell for air supply, the air supply assembly includes an air pump arranged at the bottom of the shell, an air extraction pipe is provided at the air pump suction end, a motor is provided at the middle end of the bottom of the shell, a gear assembly is connected to the motor output end, a driven gear in the gear assembly is connected to an air jet column connected to the right side of the shell, the air jet column includes a sleeve driven by the gear assembly and rotatably connected to the shell, an array of connecting strips is provided on the upper edge of the sleeve near the inside of the shell, a plurality of groups of air jet holes supplied by the air pump are provided on the upper surface of the connecting strip, and an injection pipe rotatably connected to the bottom of the sleeve is provided at the air outlet end of the air pump;

[0006] An auxiliary jet column is arranged on the left side of the gear assembly;

[0007] A gas pipe is arranged on the left side of the shell and is rotatably connected to the upper end of the auxiliary jet column;

[0008] An air outlet pipe is arranged at the top of the shell;

[0009] The filter assembly is arranged on the left side of the shell and is used for filtering the air extraction pipe.

[0010] Preferably, the motor is a servo motor, the air pump suction end is provided with a solenoid valve fixedly connected to the suction pipe, and the driving gear in the gear assembly is coaxially fixedly connected to the output end of the motor and the auxiliary jet column respectively.

[0011] Preferably, the driven gear in the gear assembly is coaxially fixedly connected to the sleeve, and the inner end of the sleeve is hollow and is respectively connected to the connecting strip and the injection pipe.

[0012] Preferably, the internal structure of the auxiliary jet column is the same as the internal structure of the jet column, and a gas concentration sensor is provided on the inner side of the air outlet pipe.

[0013] Preferably, the filter assembly includes a bevel gear assembly connected to the driving gear in the gear assembly, a casing is provided on the outside of the shell near the left side of the bevel gear assembly, a filter plate driven by the bevel gear assembly is rotatably connected to the left side of the casing, a cleaning brush with a bristle end that fits the left side of the filter plate is provided on the outside of the casing, and the lower end of the casing is fixedly connected to and communicated with the exhaust pipe.

[0014] Preferably, the driving bevel gear in the bevel gear assembly is coaxially fixedly connected to the driving gear, and the driven bevel gear in the bevel gear assembly is coaxially fixedly connected to the filter plate.

[0015] Beneficial Effects

[0016] The utility model provides a gas mixing device. Compared with the prior art, it has the following beneficial effects:

[0017] (1) The gas mixing device is provided with a gas supply part in the device. The motor drives the jet column and the auxiliary jet column to rotate in opposite directions through the gear assembly. The gas pump is turned on to allow the external gas to be injected into the auxiliary jet column through the gas pipe. The gas pump extracts the external gas through the suction pipe and the filter assembly. Then the gas is injected into the shell through the injection pipe, sleeve, connecting strip and jet hole and is fully mixed with the gas ejected from the auxiliary jet column.

[0018] (2) The gas mixing device is provided with a filter assembly in the device. The air pump draws external gas through the suction pipe, the housing, and the filter plate. The filter plate filters impurities in the gas. During the operation of the motor-driven gear assembly, the bevel gear assembly drives the filter plate to rotate under the drive of the gear assembly. The bristle end of the cleaning brush cleans the impurities attached to the outer surface of the filter plate to prevent clogging. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a cutaway stereogram of the utility model;

[0020] Figure 2 For this utility model Figure 1 A partial enlarged view of the middle A;

[0021] Figure 3 It is a three-dimensional diagram of the utility model.

[0022] In the figure: 1. Shell; 2. Air supply assembly; 21. Air pump; 22. Exhaust pipe; 23. Motor; 24. Gear assembly; 25. Jet column; 251. Sleeve; 252. Connecting strip; 253. Jet hole; 26. Injection pipe; 3. Auxiliary jet column; 4. Gas pipe; 5. Exhaust pipe; 6. Filter assembly; 61. Bevel gear assembly; 62. Casing; 63. Filter plate; 64. Cleaning brush. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1-3 The first embodiment shown: a gas mixing device, comprising a shell 1, the shell 1 is connected with a mixing assembly for gas mixing, the mixing assembly comprising: an air supply assembly 2 for air supply installed on the lower side of the shell 1, the air supply assembly 2 comprises an air pump 21 arranged at the bottom of the shell 1, an air extraction pipe 22 is arranged at the air extraction end of the air pump 21, a motor 23 is arranged at the middle end of the bottom of the shell 1, a gear assembly 24 is connected to the output end of the motor 23, a driven gear in the gear assembly 24 is connected to an air injection column 25 connected to the right side of the shell 1, the air injection column 25 comprises a sleeve 251 driven by the gear assembly 24 and rotatably connected to the shell 1, an array of connecting strips 252 is arranged on the upper edge of the sleeve 251 near the inside of the shell 1, a plurality of groups of air injection holes 253 supplied by the air pump 21 are arranged on the upper surface of the connecting strip 252, and an injection pipe 26 rotatably connected to the bottom of the sleeve 251 is arranged at the air outlet end of the air pump 21;

[0025] The auxiliary jet column 3 is arranged on the left side of the gear assembly 24; the gas pipe 4 is arranged on the left side of the shell 1 and is rotatably connected to the upper end of the auxiliary jet column 3; the air outlet pipe 5 is arranged on the top of the shell 1; the filter assembly 6 is arranged on the left side of the shell 1 for filtering the air extraction pipe 22; the motor 23 is a servo motor, and the air extraction end of the air pump 21 is provided with a solenoid valve fixedly connected to the air extraction pipe 22, and the driving gear in the gear assembly 24 is coaxially fixedly connected to the output end of the motor 23 and the auxiliary jet column 3 respectively; the driven gear in the gear assembly 24 is coaxially fixedly connected to the sleeve 251, and the inner end of the sleeve 251 is hollow and is respectively connected to the connecting strip 252 and the injection pipe 26;

[0026] The internal structure of the auxiliary jet column 3 is the same as that of the jet column 25. A gas concentration sensor is provided inside the gas outlet pipe 5. The solenoid valve and the concentration sensor are electrically connected to an external controller. The motor 23 drives the jet column 25 and the auxiliary jet column 3 to rotate in the opposite direction through the gear assembly 24. The air pump 21 is turned on to allow external gas to be injected into the auxiliary jet column 3 through the gas pipe 4. The air pump 21 extracts external gas through the suction pipe 22 and the filter assembly 6. Then, the gas is injected into the housing 1 through the injection pipe 26, the sleeve 251, the connecting strip 252, and the jet hole 253 and is fully mixed with the gas ejected from the auxiliary jet column 3.

[0027] like Figure 1-2 The second embodiment shown is mainly different from the first embodiment in that:

[0028] The filter assembly 6 includes a bevel gear assembly 61 connected to the driving gear in the gear assembly 24, a housing 62 is provided on the outside of the housing 1 near the left side of the bevel gear assembly 61, a filter plate 63 driven by the bevel gear assembly 61 is rotatably connected to the left side of the housing 62, a cleaning brush 64 with a bristle end affixed to the left side of the filter plate 63 is provided on the outside of the housing 62, and the lower end of the housing 62 is fixedly connected and communicated with the exhaust pipe 22;

[0029] The active bevel gear in the bevel gear assembly 61 is coaxially fixedly connected to the active gear, and the driven bevel gear in the bevel gear assembly 61 is coaxially fixedly connected to the filter plate 63. The air pump 21 extracts external gas through the exhaust pipe 22, the housing 62, and the filter plate 63. The filter plate 63 filters impurities in the gas. When the motor 23 drives the gear assembly 24 to operate, the bevel gear assembly 61 drives the filter plate 63 to rotate under the drive of the gear assembly 24, and the bristle end of the cleaning brush 64 cleans the impurities attached to the outer surface of the filter plate 63 to prevent clogging.

[0030] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

[0031] During use, the user starts the motor 23, and the motor 23 drives the jet column 25 and the auxiliary jet column 3 to rotate in the opposite direction through the gear assembly 24, turns on the air pump 21 and allows the external gas to be injected into the auxiliary jet column 3 through the gas pipe 4, and the air pump 21 extracts the external gas through the exhaust pipe 22 and the filter assembly 6, and then the gas is sprayed into the shell 1 through the injection pipe 26, the sleeve 251, the connecting strip 252, and the jet hole 253 and is fully mixed with the gas sprayed from the auxiliary jet column 3, and then the mixed gas is guided to the gas supply end through the outlet pipe 5, wherein the gas concentration sensor in the outlet pipe 5 detects the concentration of the mixed gas flowing through and transmits it to the external controller, and the external controller adjusts the solenoid valve at the exhaust end of the air pump 21 accordingly according to the feedback signal of the gas concentration sensor. In the above process, the filter assembly 6 filters out the impurities extracted by the air pump 21.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas mixing device, comprising a housing (1), characterized in that: The housing (1) is connected to a mixing assembly for mixing gas, the mixing assembly comprising: An air supply assembly (2) for supplying air is installed on the lower side of the shell (1), the air supply assembly (2) comprising an air pump (21) arranged at the bottom of the shell (1), an air extraction pipe (22) being provided at the air extraction end of the air pump (21), a motor (23) being provided at the middle end of the bottom of the shell (1), an output end of the motor (23) being connected to a gear assembly (24), a driven gear in the gear assembly (24) being connected to an air injection column (25) connected to the right side of the shell (1), the air injection column (25) comprising a sleeve (251) driven by the gear assembly (24) and rotatably connected to the shell (1), an array of connecting strips (252) being provided at the upper edge of the sleeve (251) near the inside of the shell (1), a plurality of groups of air injection holes (253) supplied by the air pump (21) being provided on the upper surface of the connecting strip (252), and an injection pipe (26) being rotatably connected to the bottom of the sleeve (251) being provided at the air outlet end of the air pump (21); An auxiliary jet column (3) is arranged on the left side of the gear assembly (24); A gas pipe (4) is arranged on the left side of the housing (1) and is rotatably connected to the upper end of the auxiliary jet column (3); An air outlet pipe (5) is arranged on the top of the housing (1); A filter assembly (6) is arranged on the left side of the housing (1) and is used for filtering the air extraction pipe (22).

2. A gas mixing device according to claim 1, characterized in that: The motor (23) is a servo motor, the air pump (21) is provided with an electromagnetic valve fixedly connected to the air extraction pipe (22) at the air extraction end, and the driving gear in the gear assembly (24) is coaxially fixedly connected to the output end of the motor (23) and the auxiliary jet column (3).

3. A gas mixing device according to claim 1, characterized in that: The driven gear in the gear assembly (24) is coaxially fixedly connected to the sleeve (251); the inner end of the sleeve (251) is hollow and is respectively connected to the connecting strip (252) and the injection pipe (26).

4. A gas mixing device according to claim 1, characterized in that: The internal structure of the auxiliary jet column (3) is the same as the internal structure of the jet column (25), and a gas concentration sensor is provided on the inner side of the gas outlet pipe (5).

5. A gas mixing device according to claim 1, characterized in that: The filter assembly (6) comprises a bevel gear assembly (61) connected to a driving gear in the gear assembly (24); a housing (62) is provided on the outside of the housing (1) near the left side of the bevel gear assembly (61); a filter plate (63) driven by the bevel gear assembly (61) is rotatably connected to the left side of the housing (62); a cleaning brush (64) with a bristle end abutting against the left side of the filter plate (63) is provided on the outside of the housing (62); and the lower end of the housing (62) is fixedly connected to and communicated with the exhaust pipe (22).

6. A gas mixing device according to claim 5, characterized in that: The driving bevel gear in the bevel gear assembly (61) is coaxially fixedly connected to the driving gear, and the driven bevel gear in the bevel gear assembly (61) is coaxially fixedly connected to the filter plate (63).

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