Gas water heater

Abstract

The utility model discloses a gas water heater which comprises a shell, a water pipe, a combustor, a smoke exhaust assembly, a control system and a heat exchanger are arranged in the shell, the heat exchanger transmits heat generated by the combustor to the water pipe, the combustor is connected with a gas feeding pipe capable of being connected with a gas pipe, and the gas feeding pipe is provided with a gas inlet valve. A conducting device for communicating the air supply pipe with the burner is arranged between the air supply pipe and the burner, is provided with at least two air inlet channels with different apertures, and is also provided with a switching mechanism capable of switching to the air inlet channels with different apertures to conduct the air supply pipe with the burner; according to the gas water heater, the at least two gas inlet channels with different hole diameters are arranged on the conduction device, and the switching mechanism is arranged, so that the gas water heater can flexibly cope with different types of gas, and a user can easily switch different gas sources without worrying about the problem of low combustion efficiency or unsafety caused by gas pressure difference.

Description

TECHNICAL FIELD

[0001] The utility model relates to water heater technical field especially relates to a gas water heater. BACKGROUND

[0002] A gas water heater is a device that uses natural gas or liquefied petroleum gas as fuel to heat water. Currently, some customers sometimes have insufficient natural gas or gas stop phenomenon, at which time it is necessary to switch to liquefied gas for use. But the traditional gas water heater has some limitations when switching gas source in practice. For example, a single aperture gas inlet channel cannot flexibly adapt to the needs under different working conditions, such as switching different gas sources, because the gas pressure of different gas sources is not the same, resulting in differences in gas inlet amount. This may lead to insufficient combustion, affecting thermal efficiency, increasing gas consumption, and possibly producing more pollutant emissions.

[0003] The utility model is made based on the above situation. CONTENT OF THE UTILITY MODEL

[0004] The utility model overcomes the deficiency of prior art, provides a gas water heater which can switch the gas inlet channel of corresponding aperture according to different gas pressure, and improve the gas combustion efficiency.

[0005] The utility model is implemented by the following technical solutions:

[0006] A gas water heater, comprising a shell, a water pipe, a burner, a smoke exhaust assembly, a control system and a heat exchanger for transferring heat generated by the burner to the water pipe are arranged in the shell, a gas supply pipe connected with a gas pipe is connected to the burner, an air inlet valve is arranged on the gas supply pipe, a conduction device for connecting the gas supply pipe and the burner is arranged between the gas supply pipe and the burner, at least two air inlet channels with different apertures are arranged on the conduction device, and a switching mechanism for switching the air inlet channel with different apertures to conduct the gas supply pipe and the burner is further arranged on the conduction device.

[0007] The gas water heater as described above, wherein the conduction device comprises a connecting seat, a gas distribution cavity capable of communicating with the gas supply pipe and a gas distribution hole for connecting the gas distribution cavity and the burner are arranged on the connecting seat, an adjusting plate is movably connected to the connecting seat, all the air inlet channels are arranged on the adjusting plate along the moving direction of the adjusting plate, and an adjusting mechanism for driving the adjusting plate to move so that one of the air inlet channels is in communication with the gas distribution hole and the burner is further arranged on the connecting seat.

[0008] The gas water heater as described above, wherein the adjusting mechanism comprises an adjusting seat connected to the connecting seat, an adjusting block is connected to the adjusting plate, an adjusting rod capable of driving the adjusting block to move is rotatably connected to the adjusting seat, the adjusting rod is threadedly connected to the adjusting block, and a limiting cavity for limiting the movement of the adjusting block is further arranged on the adjusting seat.

[0009] The gas water heater as claimed in any one of the preceding claims, wherein the connecting seat is provided with a guide groove for guiding the movement of the adjusting plate, and the gas distribution hole penetrates the groove bottom of the guide groove.

[0010] The gas water heater as claimed in any one of the preceding claims, wherein the groove bottom of the guide groove is provided with an annular groove, the annular groove surrounds the outer side of the gas distribution hole, and a sealing ring for sealing the gap between the adjusting plate and the guide groove is arranged in the annular groove.

[0011] The gas water heater as claimed in any one of the preceding claims, wherein the connecting seat is further connected with a baffle for further limiting the sliding of the adjusting plate along the guide groove, the baffle is provided with a gas outlet hole opposite to the gas distribution hole, and the burner is in communication with the gas outlet hole.

[0012] The gas water heater as claimed in any one of the preceding claims, wherein the two sides of the connecting seat are provided with gas distribution holes, and the number of the adjusting plates is two, and the two adjusting plates are connected to the adjusting block.

[0013] The gas water heater as claimed in any one of the preceding claims, wherein the adjusting seat comprises a connecting plate arranged on the connecting seat and a U-shaped frame connected to the connecting plate, the U-shaped frame is provided with a connecting leg bent outward, and the connecting plate is provided with an avoiding hole for the adjusting plate to insert into the guide groove.

[0014] The gas water heater as claimed in any one of the preceding claims, wherein the water pipe has a water inlet end and a water outlet end, and the water outlet end of the water pipe is provided with a temperature controller.

[0015] The gas water heater as claimed in any one of the preceding claims, wherein the smoke exhaust assembly comprises a smoke collecting cover, and the smoke collecting cover is connected with an exhaust pipe.

[0016] Compared with the prior art, the utility model has the following advantages:

[0017] The present application provides at least two different diameter air inlet channels on the on-off device, and a switching mechanism is provided, so that the gas water heater can flexibly cope with different types of gas, so that the user can easily switch between different gas sources without worrying about the problem of low combustion efficiency or safety caused by gas pressure difference. Different diameter air inlet channels can be optimized according to the characteristics of different gas sources to ensure the most suitable gas flow for each use. This not only helps to improve combustion efficiency, reduce gas consumption, but also reduces the generation of harmful emissions, which is friendly to the environment. The switching mechanism allows users to quickly switch between different gas sources, simplifying the operation process and improving user experience. Users do not need complex adjustments or professional knowledge to ensure that the water heater is in the best working condition. Since the combustion process is optimized, the risk of wear and tear and damage caused by insufficient or excessive combustion is reduced, which helps to prolong the overall service life of the gas water heater. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model discloses a specific embodiment of the utility model is further described in detail below, in which:

[0019] Figure 1 It is the structure diagram of the utility model;

[0020] Figure 2 It is the structure diagram of the utility model after removing the shell;

[0021] Figure 3 It is the structure diagram of the utility model in the conduction device;

[0022] Figure 4 It is the cross section of the utility model in the conduction device Figure 1 ;

[0023] Figure 5 It is the cross section of the utility model in the conduction device Figure 2 ;

[0024] Figure 6 It is the exploded view of the utility model in the conduction device. Specific embodiments

[0025] The utility model is further described below in conjunction with the drawings:

[0026] As Figures 1 to 6 shown, a kind of gas water heater, including shell 1, water pipe 2, burner 3, smoke exhaust assembly 4, control system are equipped in the shell 1, and the heat exchanger 5 of heat transfer generated by burner 3 to water pipe 2, the gas pipe connection can be connected on the burner 3 connection gas pipe 6, air inlet valve 61 are equipped on the gas pipe 6, and the conduction device 7 of making both intercommunication is equipped between gas pipe 6 and burner 3, the air inlet passage 71 of at least two different pore sizes is equipped on the conduction device 7, and the switching mechanism 72 of the air inlet passage 71 of different pore sizes can be switched to make gas pipe 6 and burner 3 conduction is equipped on the conduction device 7.

[0027] The present case sets at least two different aperture gas inlet channels 71 on the conduction device 7, and is equipped with a switching mechanism 72, so that the gas water heater can flexibly cope with different types of gas, so that the user can easily switch between different gas sources without worrying about the problem of low combustion efficiency or safety caused by gas pressure difference. The gas inlet channel 71 with different aperture can be optimized according to the characteristics of different gas sources to ensure the most suitable gas flow for each use. This not only helps to improve the combustion efficiency and reduce gas consumption, but also reduces the generation of harmful emissions, which is friendly to the environment. The switching mechanism 72 allows users to quickly switch between different gas sources, simplifying the operation process and improving user experience. Users do not need complex adjustments or professional knowledge to ensure that the water heater is in the best working condition. Because the combustion process is optimized, the risk of wear and tear and damage caused by insufficient or excessive combustion is reduced, which helps to prolong the overall service life of the gas water heater.

[0028] Specifically, the conduction device 7 includes a connecting seat 73, which is provided with a gas distribution cavity 731 capable of communicating with the gas supply pipe 6 and a gas distribution hole 732 communicating the gas distribution cavity 731 with the burner 3. The connecting seat 73 is also movably connected with an adjusting plate 74, all the gas inlet channels 71 are arranged on the adjusting plate 74 along the moving direction of the adjusting plate 74, and the connecting seat 73 is also provided with an adjusting mechanism capable of driving the adjusting plate 74 to move so as to make one of the gas inlet channels 71 communicate with the gas distribution hole 732 and the burner 3.

[0029] The conduction device 7 can flexibly select the most suitable gas inlet channel 71 according to the change of gas type or working condition through the gas inlet channel 71 with different aperture on the adjusting plate 74, so as to ensure that better combustion effect can be obtained regardless of the type of gas used. The moving direction of the adjusting plate 74 is consistent with the arrangement of all the gas inlet channels 71, so that when the adjusting plate 74 is moved by the adjusting mechanism, the selected gas inlet channel 71 can be accurately aligned with the gas distribution hole 732, thereby realizing accurate control of the gas flow. This helps to optimize the combustion efficiency and reduce unnecessary gas consumption.

[0030] Further, the adjusting mechanism includes an adjusting seat 751 connected to the connecting seat 73, the adjusting plate 74 is connected with an adjusting block 741, the adjusting seat 751 is rotatably connected with an adjusting rod 752 capable of driving the adjusting block 741 to move, the adjusting rod 752 is threadedly connected with the adjusting block 741, and the adjusting seat 751 is further provided with a limiting cavity 753 for limiting the movement of the adjusting block 741. Wherein, the adjusting plate 74 can be connected to the adjusting block 741 by screw fasteners or other connection methods.

[0031] The adjusting rod 752 and the adjusting block 741 are connected by screw thread, which can efficiently convert the rotary motion into linear motion. This mechanism can ensure the accuracy of the movement of the adjusting plate 74, so that the air inlet passage 71 can be accurately switched each time. The limiting cavity 753 provides a limiting effect for the movement of the adjusting block 741, preventing the adjusting block 741 from exceeding the set range. In an embodiment, the adjusting plate 74 is provided with two different diameter air inlet passages 71, namely small hole air passage 701 and large hole air passage 702, which can be ensured to be adjusted in place by the limit position.

[0032] Further, the connecting seat 73 is provided with a guide groove 733 for guiding the movement of the adjusting plate 74, and the gas distribution hole 732 penetrates the groove bottom of the guide groove 733. The groove bottom of the guide groove 733 is provided with an annular groove 734, which surrounds the outside of the gas distribution hole 732, and the annular groove 734 is provided with a sealing ring 735 for sealing the gap between the adjusting plate 74 and the guide groove 733. The gap between the adjusting plate 74 and the guide groove 733 can be effectively sealed by the sealing ring 735, preventing gas leakage through these tiny gaps, while also helping to maintain the correct gas pressure and flow required by the burner.

[0033] In an embodiment, the connecting seat 73 is also connected with a baffle 76 for further limiting the sliding of the adjusting plate 74 along the guide groove 733, and the baffle 76 is provided with an air outlet hole 761 opposite to the gas distribution hole 732, and the burner 3 communicates with the air outlet hole 761. The baffle 76 serves as an additional safety measure, increasing the system redundancy. Even if other components have minor problems, the baffle 76 can ensure the normal operation of the basic function, improving the reliability and durability of the entire system.

[0034] In an embodiment, the connecting seat 73 is provided with gas distribution holes 732 on both sides, and the number of adjusting plates 74 is two, both of which are connected to the adjusting block 741. Two adjusting plates 74 act on the same adjusting block 741, which can more evenly distribute the adjusting force and avoid the problem of deviation or wear caused by uneven force on one side. This helps to improve the stability and durability of the entire adjusting mechanism. At the same time, it also allows gas to enter the burner 3 from two directions.

[0035] In an embodiment, the adjusting seat 751 comprises a connecting plate 7511 arranged on the connecting seat 73 and a U-shaped frame 7512 connected to the connecting plate 7511, and the U-shaped frame 7512 is provided with outwardly bent connecting feet 7513, and the connecting plate 7511 is provided with a avoiding hole 7514 for the adjusting plate 74 to insert into the guide slot 733. The connecting seat 73 and the connecting plate 7511 are in an integrated structure, the connecting feet 7513 are connected to the connecting plate 7511 through threaded fasteners, the adjusting rod 752 is provided with a limiting slot 7521, and the U-shaped frame 7512 is provided with a clamping opening 7510 capable of cooperating with the limiting slot 7521.

[0036] In an embodiment, the water pipe 2 has a water inlet end 21 and a water outlet end 22, and the water outlet end 22 of the water pipe 2 is provided with a temperature controller 8. The water inlet end 21 of the water pipe 2 is provided with a water inlet adjusting valve.

[0037] In an embodiment, the smoke exhaust assembly 4 comprises a smoke collecting cover 41, and the smoke collecting cover 41 is connected with an exhaust pipe. The smoke collecting cover 41 is connected to the shell 1 through threaded fasteners.

Claims

1. A gas water heater characterised by: The utility model provides a kind of gas stove, including shell (1), water pipe (2), combustor (3), smoke exhaust assembly (4), control system and heat exchanger (5) are equipped in the shell (1), the combustor (3) is connected with the gas pipe can be connected with gas supply pipe (6) on it, gas supply pipe (6) is equipped with air inlet valve (61) on it, and gas supply pipe (6) and combustor (3) are equipped with the through device (7) between them to make both communication, the through device (7) is equipped with at least two different aperture air inlet passage (71) on it, and the through device (7) is further equipped with switching mechanism (72) that can be switched to different aperture air inlet passage (71) to make gas supply pipe (6) and combustor (3) through.

2. The gas water heater of claim 1, wherein: The through device (7) includes connecting seat (73), the connecting seat (73) is equipped with gas distribution cavity (731) that can be communicated with gas supply pipe (6) and gas distribution hole (732) that makes gas distribution cavity (731) and combustor (3) communication on it, and connecting seat (73) is further movably connected with adjusting plate (74), all air inlet passage (71) are arranged on adjusting plate (74) along the moving direction of adjusting plate (74), and connecting seat (73) is further equipped with adjusting mechanism that can drive adjusting plate (74) to move to make one of air inlet passage (71) and gas distribution hole (732) and combustor (3) through.

3. The gas water heater of claim 2, wherein: The adjusting mechanism includes adjusting seat (751) connected on connecting seat (73), adjusting block (741) is connected on adjusting plate (74), adjusting rod (752) is rotatably connected on adjusting seat (751) and can drive adjusting block (741) to move, adjusting rod (752) is screw-connected with adjusting block (741), and adjusting seat (751) is further equipped with limiting cavity (753) for limiting the movement of adjusting block (741).

4. The gas water heater of claim 3, wherein: Connecting seat (73) is equipped with guide groove (733) for guiding the movement of adjusting plate (74), and gas distribution hole (732) penetrates the groove bottom of guide groove (733).

5. The gas water heater of claim 4, wherein: The groove bottom of guide groove (733) is equipped with annular groove (734), the annular groove (734) surrounds the outside of gas distribution hole (732), and sealing ring (735) is equipped in the annular groove (734) for sealing the gap between adjusting plate (74) and guide groove (733).

6. The gas water heater of claim 5, wherein: Connecting seat (73) is further connected with baffle (76) for further limiting the sliding of adjusting plate (74) along guide groove (733), air outlet hole (761) is equipped on baffle (76) and faces gas distribution hole (732), and combustor (3) is communicated with air outlet hole (761).

7. The gas water heater of claim 6, wherein: Both sides of connecting seat (73) are equipped with gas distribution hole (732), and the number of adjusting plate (74) is two, and both adjusting plate (74) are connected on adjusting block (741).

8. The gas water heater of claim 7, wherein: The adjusting seat (751) comprises a connecting plate (7511) arranged on the connecting seat (73) and a U-shaped frame (7512) connected to the connecting plate (7511), wherein the U-shaped frame (7512) is provided with a connecting leg (7513) bent outward, and the connecting plate (7511) is provided with a avoiding hole (7514) for the adjusting plate (74) to insert into the guide slot (733).

9. The gas water heater of claim 1, wherein: The water pipe (2) has a water inlet end (21) and a water outlet end (22), and the water outlet end (22) of the water pipe (2) is provided with a temperature controller (8).

10. The gas water heater of claim 1, wherein: The smoke exhaust assembly (4) comprises a smoke collecting cover (41), and the smoke collecting cover (41) is connected with an exhaust pipe.

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