CN218993665U - Improved outdoor gas water heater - Google Patents

Improved outdoor gas water heater Download PDF

Info

Publication number
CN218993665U
CN218993665U CN202223425531.4U CN202223425531U CN218993665U CN 218993665 U CN218993665 U CN 218993665U CN 202223425531 U CN202223425531 U CN 202223425531U CN 218993665 U CN218993665 U CN 218993665U
Authority
CN
China
Prior art keywords
smoke
hood
plate
petticoat pipe
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202223425531.4U
Other languages
Chinese (zh)
Inventor
伍仲恩
梁友志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan City Shunde District Manli Electrical Co ltd
Original Assignee
Foshan City Shunde District Manli Electrical Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan City Shunde District Manli Electrical Co ltd filed Critical Foshan City Shunde District Manli Electrical Co ltd
Priority to CN202223425531.4U priority Critical patent/CN218993665U/en
Application granted granted Critical
Publication of CN218993665U publication Critical patent/CN218993665U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

Landscapes

  • Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)

Abstract

The utility model provides an outdoor gas heater of improvement, includes the organism, and the organism top is equipped with the exhaust port, and the organism top is equipped with the fume extractor who is connected with the exhaust port, and fume extractor includes the petticoat pipe subassembly, and the petticoat pipe subassembly includes the petticoat pipe main part and around the petticoat pipe baffle that the exhaust port set up, and the petticoat pipe subassembly still includes the forced-ventilated tobacco pipe, and forced-ventilated tobacco pipe one end is connected and is located the petticoat pipe baffle with the exhaust port. Specifically, the smoke hood main body is arranged at the top of the machine body, a smoke hood baffle is arranged in the smoke hood main body to prevent outside rainwater or wind from splashing into the machine body from a smoke outlet, and the gas water heater can be arranged on a balcony or an external wall and other places with severe environments; through selecting forced-ventilated type tobacco pipe and being connected with the exhaust port, solve among the prior art because the problem of installation space position, the producer need not to match and set up many water heater, has reduced manufacturing cost. The utility model has the characteristics of reasonable structural design, strong reliability, strong practicability, high universality, low cost and the like.

Description

Improved outdoor gas water heater
Technical Field
The utility model relates to the technical field of gas water heaters, in particular to an improved outdoor gas water heater.
Background
The traditional gas water heater has the smoke outlet arranged at the top of the gas water heater, the gas water heater arranged indoors has the smoke outlet arranged at the top, and the smoke outlet is generally provided with a strong smoke exhaust pipe for exhausting the smoke to the outside in a directional way; the outdoor gas water heater is generally arranged outdoors, the top of the outdoor gas water heater is provided with a smoke outlet, the smoke outlet is provided with a smoke cover, and smoke generated by combustion is discharged from the smoke cover through the smoke outlet during operation; or outside rainwater is easy to splash into the machine body after entering the smoke outlet from the smoke cover, so that electric elements in the machine body are damaged, and gas hot water is influenced; on the other hand, because of the problem of installation space position, the flue gas is exhausted in a certain direction by adopting the smoke exhaust pipe of the outdoor gas water heater, so that in order to meet the use requirement of users, manufacturers also need to set up a plurality of water heaters in a matching way, and therefore, a plurality of production molds are required to be set up in a matching way, the corresponding box shells and other parts are more in variety, the inventory occupancy rate is higher, and the production cost is difficult to reduce.
The Chinese patent document No. CN215637974U discloses a gas water heater in 2022 month 1, and specifically discloses a gas water heater which comprises a gas water heater, wherein the gas water heater is provided with an inner cavity, a combustion part, a hot water pipeline and an air inlet, the combustion part and the hot water pipeline are arranged in the inner cavity, the air inlet is communicated with the combustion part and the outer side of the gas water heater, and the air inlet of the gas water heater is separated from the inner cavity. But this structure still has the drawbacks described above.
Therefore, further improvements are needed.
Disclosure of Invention
The utility model aims to provide an improved outdoor gas water heater to overcome the defects in the prior art, the improved outdoor gas water heater is wide in installation position, can be installed on a balcony or an external wall and other places with severe environments, can prevent water and wind, is high in component universality, can greatly reduce manufacturing cost, and is reasonable in structural design, high in reliability, high in practicability, high in universality and low in cost.
According to the outdoor gas heater of this purpose design of improvement, which comprises a bod, the organism top is equipped with the exhaust port, the organism top be equipped with the fume extractor that the exhaust port is connected, fume extractor includes the petticoat pipe subassembly, the petticoat pipe subassembly includes the petticoat pipe main part and centers on the petticoat pipe baffle that the exhaust port set up, the petticoat pipe subassembly still includes strong exhaust pipe, jiang Paishi tobacco pipe one end with the exhaust port is connected and is located in the petticoat pipe baffle.
The smoke cover main body comprises a smoke cover front plate, a smoke cover rear plate, a smoke cover bottom plate, a smoke cover top plate and smoke cover side plates, wherein the smoke cover front plate, the smoke cover rear plate, the smoke cover bottom plate, the smoke cover top plate and the smoke cover side plates enclose to form the smoke cover main body, and the smoke cover baffle is fixed on the smoke cover top plate.
The smoke hood assembly further comprises an exhaust passage in matched connection with the smoke outlet, and the exhaust passage is at least partially positioned in the smoke hood baffle.
The smoke hood rear plate and/or the smoke hood top plate are/is provided with holes for the Jiang Paishi smoke pipes to pass through, and the Jiang Paishi smoke pipes pass through the holes and then are connected with the smoke outlets.
The hood rear plate, the hood top plate and the hood side plates are provided with first flanges, the periphery of the hood bottom plate is provided with second flanges, and the hood front plate is provided with third flanges; the second flange is connected with the first flange through riveting, screws or welding, so that the hood bottom plate is fixedly connected with the hood rear plate, the hood top plate and the hood side plates, and the third flange is connected with the second flange through riveting, screws or welding, so that the hood front plate is fixedly connected with the hood bottom plate.
The front plate of the smoke hood is provided with a plurality of rows and columns of louver-shaped structures.
The cross sections of the hood baffle and the hood front plate are arc-shaped, trapezoid-shaped or V-shaped.
The gas-fired burner is characterized in that a burner is arranged in the burner, an air inlet connector for conveying gas is arranged at the bottom of the burner, a proportional valve is arranged between the air inlet connector and the burner, a smoke exhaust fan is arranged above the burner, and the smoke exhaust fan can suck high-temperature smoke generated during combustion of the burner and is discharged from the smoke exhaust port.
A water tank is arranged above the burner, a water inlet joint and a water outlet joint are arranged at the bottom of the burner, one side of the water tank is connected with a cold water inlet pipe communicated with the water inlet joint, a water inlet valve is arranged on the water inlet joint, a water flow sensor for detecting the flow of liquid flowing into the water tank is arranged between the water inlet joint and the cold water inlet pipe, and the other side of the water tank is connected with a hot water outlet pipe communicated with the water outlet joint; the burner can exchange heat with cold water in the water tank to form hot water, and the hot water is sequentially discharged from the hot water outlet pipe and the water outlet joint.
The machine body is internally provided with a controller, and the controller is electrically connected with the water flow sensor, the smoke exhaust fan and the proportional valve.
The utility model relates to an improved outdoor gas water heater, which comprises a machine body, wherein the top of the machine body is provided with a smoke outlet, the top of the machine body is provided with a smoke exhaust device connected with the smoke outlet, the smoke exhaust device comprises a smoke hood assembly, and the smoke hood assembly comprises a smoke hood main body, a smoke hood baffle plate and a strong smoke exhaust pipe, wherein the smoke hood baffle plate is arranged around the smoke outlet. Specifically, the smoke hood main body is arranged at the top of the machine body, a smoke hood baffle is arranged in the smoke hood main body to prevent outside rainwater or wind from splashing into the machine body from a smoke outlet, and the gas water heater can be arranged on a balcony or an external wall and other places with severe environments; through selecting forced-ventilated type tobacco pipe and being connected with the exhaust port, solve among the prior art because the problem of installation space position, the producer need not to match and set up many water heater, has reduced manufacturing cost. The device has the characteristics of reasonable structural design, strong reliability, strong practicability, high universality, low cost and the like.
Drawings
FIG. 1 is a schematic diagram of an outdoor gas water heater according to an embodiment of the utility model.
Fig. 2 is a schematic view of a hood assembly according to an embodiment of the utility model.
Fig. 3 is an exploded view of a hood assembly according to an embodiment of the present utility model.
FIG. 4 is a schematic view of the hood body, hood baffle and exhaust passage according to an embodiment of the present utility model.
FIG. 5 is a schematic view of the structure of the body, hood assembly and forced-ventilated smoke tube according to an embodiment of the present utility model.
The correspondence between the reference numerals and the component names in fig. 1 to 5 is:
1-organism, 101-exhaust port, 102-air inlet connector, 103-water inlet connector, 104-water outlet connector, 2-hood assembly, 201-hood main body, 2011-hood front plate, 20111-tripe form structure, 2012-hood back plate, 2013-hood bottom plate, 20131-second turn-ups, 2014-hood top plate, 2015-hood side plate, 2016-open pore, 2017-first turn-ups, 202-hood baffle, 203-forced-exhaust smoke tube, 204-exhaust channel, 3-burner, 4-proportional valve, 5-burner, 6-water tank, 601-cold water inlet pipe, 602-hot water outlet pipe, 7-water inlet valve, 8-water flow sensor, 9-controller.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Referring to fig. 1-5, in one embodiment, an improved outdoor gas water heater is provided, which comprises a machine body 1, a smoke outlet 101 is arranged at the top of the machine body 1, a smoke exhaust device connected with the smoke outlet 101 is arranged at the top of the machine body 1, the smoke exhaust device comprises a smoke hood assembly 2, the smoke hood assembly 2 comprises a smoke hood main body 201 and a smoke hood baffle 202 arranged around the smoke outlet 101, the smoke hood assembly 2 further comprises a strong smoke exhaust pipe 203, and one end of the strong smoke exhaust pipe 203 is connected with the smoke outlet 101 and is positioned in the smoke hood baffle 202.
Specifically, the fume hood main body 201 is arranged at the top of the machine body 1, the fume hood baffle 202 is arranged in the fume hood main body 201 to prevent outside rainwater or wind from splashing into the machine body 1 from the fume outlet 101, and the gas water heater can be arranged on a balcony or an external wall or other places with severe environments; through selecting forced-ventilated type tobacco pipe 203 to be connected with exhaust port 101, solve among the prior art because the problem of installation space position, the producer need not to match and set up many water heater, has reduced manufacturing cost.
Referring to fig. 2 and 5, further, the hood main body 201 includes a hood front plate 2011, a hood rear plate 2012, a hood bottom plate 2013, a hood top plate 2014 and a hood side plate 2015, the hood front plate 2011, the hood rear plate 2012, the hood bottom plate 2013, the hood top plate 2014 and the hood side plate 2015 enclose to form the hood main body 201, and the hood baffle 202 is fixed on the hood top plate 2014.
It should be noted that, the hood baffle 202 may be fixed to the hood top plate 2014 by riveting, screws or welding; the hood back plate 2012, hood bottom plate 2013, hood top plate 2014 and hood side plate 2015 are integrally stamped and formed from a metal material.
Referring to fig. 3 and 4, further, the hood assembly 2 further includes an exhaust passage 204 cooperatively coupled to the smoke outlet 101, the exhaust passage 204 being at least partially within the hood shield 202.
Further, as shown in fig. 4, the hood back plate 2012 and/or the hood top plate 2014 is provided with an opening 2016 through which the strong exhaust pipe 203 passes, and the strong exhaust pipe 203 is connected to the smoke outlet 101 after passing through the opening 2016.
Specifically, the hood back plate 2012 is provided with an opening 2016, and the strong exhaust pipe 203 is connected with the smoke outlet 101 from the opening 2016 on the hood back plate 2012; alternatively, the hood top plate 2014 is provided with an opening 2016, and the forced-air smoke pipe 203 is connected to the smoke outlet 101 through the opening 2016 of the hood top plate 2014.
Referring to fig. 3 and 4, further, a hood back plate 2012, a hood top plate 2014 and a hood side plate 2015 are provided with a first flange 2017, a second flange 20131 is provided on the periphery of the hood bottom plate 2013, and a hood front plate 2011 is provided with a third flange; wherein, the second flange 20131 is connected with the first flange 2017 through riveting, screw or welding, so as to realize the fixed connection of the hood bottom plate 2013 with the hood back plate 2012, the hood top plate 2014 and the hood side plate 2015, and the third flange is connected with the second flange 20131 through riveting, screw or welding, so as to realize the fixed connection of the hood front plate 2011 with the hood bottom plate 2013.
Further, the hood front plate 2011 is provided with a plurality of rows and columns of louver structures 20111.
Specifically, the louver-shaped structure 20111 is arranged to prevent smoke from accumulating, reduce smoke discharging resistance and prevent the smoke hood main body 201 from causing higher internal temperature rise of the machine body 1 due to smoke accumulation.
Further, the cross sections of the hood baffle 202 and the hood front plate 2011 are arc-shaped, trapezoidal or V-shaped.
Referring to fig. 1, further, a burner 3 is disposed in a machine body 1, an air inlet joint 102 for delivering fuel gas is disposed at the bottom of the machine body 1, a proportional valve 4 is disposed between the air inlet joint 102 and the burner 3, a smoke exhaust fan 5 is disposed above the burner 3, and the smoke exhaust fan 5 can suck high-temperature smoke generated during combustion of the burner 3 and discharge the smoke from a smoke exhaust port 101.
Specifically, the proportion valve 4 controls the mixing proportion of the fuel gas and the air, so that the combustion condition of the thick flame and the thin flame in the combustor 3 can be controlled, the combustion temperature can be effectively reduced, the residence time of the flue gas in a high temperature area can be reduced, and the emission of nitrogen oxides can be reduced; the smoke exhaust fan 5 is arranged above the burner 3, and when the gas burns, the smoke exhaust fan 5 is started to generate negative pressure, and smoke generated by the gas burning is extracted and discharged to the outside from the smoke outlet 101.
Referring to fig. 1, further, a water tank 6 is arranged above the burner 3, a water inlet joint 103 and a water outlet joint 104 are arranged at the bottom of the burner 1, a cold water inlet pipe 601 communicated with the water inlet joint 103 is connected to one side of the water tank 6, a water inlet valve 7 is arranged on the water inlet joint 103, a water flow sensor 8 for detecting the flow of liquid flowing into the water tank 6 is arranged between the water inlet joint 103 and the cold water inlet pipe 601, and a hot water outlet pipe 602 communicated with the water outlet joint 104 is connected to the other side of the water tank 6; the burner 3 can exchange heat with cold water in the water tank 6 to form hot water, and the hot water is sequentially discharged from the hot water outlet pipe 602 and the water outlet joint 104.
Referring to fig. 1, further, a controller 9 is further disposed in the machine body 1, and the controller 9 is electrically connected with the water flow sensor 8, the smoke exhaust fan 5 and the proportional valve 4.
It should be noted that, the outdoor gas water heater of this embodiment adopts full frequency conversion direct current control system, and half load heat effect is about 5% in national standard requirement, and the hot water minimum temperature rise in summer can fall to 2 degrees, has superstrong anti wind pressure ability, can resist 12 grades of wind-force, and anti wind pressure value reaches 350PA. And the full-frequency conversion direct current control system operates in an ultra-silent mode, and the full-load operation noise is as low as 55 dB.
The working principle of the improved outdoor gas water heater is as follows: cold water enters a water flow sensor 8 through a water inlet valve 7, the water flow sensor 8 transmits a water flow signal to a controller 9, the controller 9 controls the smoke exhaust fan 5 to rotate, simultaneously opens a valve of the proportional valve 4, and simultaneously discharges and ignites in the combustor 3; at this time, the fuel gas enters the proportional valve 8 through the air inlet joint 102, then flows into the burner 3, is discharged and ignited through the controller 9, the high-temperature flue gas flows through the water tank 6 and exchanges heat with cold water entering the water tank 6, the waste gas after heat exchange is sucked by the smoke exhaust fan 5 and is discharged from the smoke exhaust port 101 and the smoke hood main body 201 or is discharged from the smoke exhaust port 101 and the strong smoke exhaust pipe 203, and the heated hot water is connected to a user faucet or a shower head through the water outlet joint 104 for use.
The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides an outdoor gas heater of improvement, includes organism (1), organism (1) top is equipped with exhaust port (101), its characterized in that: the utility model discloses a smoke exhaust device, including organism (1), organism (1) top be equipped with smoke exhaust device that exhaust port (101) are connected, smoke exhaust device includes petticoat pipe subassembly (2), petticoat pipe subassembly (2) include petticoat pipe main part (201) and around smoke exhaust port (101) set up petticoat pipe baffle (202), petticoat pipe subassembly (2) still include forced draught tobacco pipe (203), jiang Paishi tobacco pipe (203) one end with exhaust port (101) are connected and are located in petticoat pipe baffle (202).
2. The improved outdoor gas water heater of claim 1, wherein: the smoke cover main body (201) comprises a smoke cover front plate (2011), a smoke cover rear plate (2012), a smoke cover bottom plate (2013), a smoke cover top plate (2014) and a smoke cover side plate (2015), wherein the smoke cover front plate (2011), the smoke cover rear plate (2012), the smoke cover bottom plate (2013), the smoke cover top plate (2014) and the smoke cover side plate (2015) enclose to form the smoke cover main body (201), and the smoke cover baffle (202) is fixed on the smoke cover top plate (2014).
3. The improved outdoor gas water heater of claim 2, wherein: the smoke hood assembly (2) further comprises an exhaust channel (204) in matched connection with the smoke outlet (101), and the exhaust channel (204) is at least partially positioned in the smoke hood baffle (202).
4. The improved outdoor gas water heater of claim 2, wherein: the smoke hood rear plate (2012) and/or the smoke hood top plate (2014) are/is provided with an opening (2016) for the Jiang Paishi smoke tube (203) to pass through, and the Jiang Paishi smoke tube (203) passes through the opening (2016) and then is connected with the smoke outlet (101).
5. The improved outdoor gas water heater of claim 2, wherein: the smoke hood rear plate (2012), the smoke hood top plate (2014) and the smoke hood side plates (2015) are provided with first flanges (2017), the periphery of the smoke hood bottom plate (2013) is provided with second flanges (20131), and the smoke hood front plate (2011) is provided with third flanges; wherein, second turn-ups (20131) with first turn-ups (2017) are through riveting, screw or welded connection, in order to realize petticoat pipe bottom plate (2013) with petticoat pipe back plate (2012), petticoat pipe roof (2014) and petticoat pipe curb plate (2015) fixed connection, third turn-ups with second turn-ups (20131) are through riveting, screw or welded connection, in order to realize petticoat pipe front plate (2011) with petticoat pipe bottom plate (2013) fixed connection.
6. The improved outdoor gas water heater of claim 2, wherein: the front plate (2011) of the smoke hood is provided with a plurality of rows and columns of louver-shaped structures (20111).
7. The improved outdoor gas water heater of claim 2, wherein: the cross sections of the smoke hood baffle plate (202) and the smoke hood front plate (2011) are arc-shaped, trapezoid-shaped or V-shaped.
8. The improved outdoor gas water heater of claim 1, wherein: be equipped with combustor (3) in organism (1), organism (1) bottom is equipped with air inlet connector (102) that are used for carrying the gas, air inlet connector (102) with be equipped with proportional valve (4) between combustor (3), combustor (3) top is equipped with exhaust fan (5), exhaust fan (5) can be smoked high temperature flue gas that produces when combustor (3) burning is followed exhaust port (101) are discharged.
9. The improved outdoor gas water heater of claim 8, wherein: a water tank (6) is arranged above the combustor (3), a water inlet joint (103) and a water outlet joint (104) are arranged at the bottom of the machine body (1), a cold water inlet pipe (601) communicated with the water inlet joint (103) is connected to one side of the water tank (6), a water inlet valve (7) is arranged on the water inlet joint (103), a water flow sensor (8) for detecting the flow of liquid flowing into the water tank (6) is arranged between the water inlet joint (103) and the cold water inlet pipe (601), and a hot water outlet pipe (602) communicated with the water outlet joint (104) is connected to the other side of the water tank (6); the combustor (3) can exchange heat with cold water in the water tank (6) to form hot water, and the hot water is sequentially discharged from the hot water outlet pipe (602) and the water outlet joint (104).
10. The improved outdoor gas water heater of claim 9, wherein: the machine body (1) is internally provided with a controller (9), and the controller (9) is electrically connected with the water flow sensor (8), the smoke exhaust fan (5) and the proportional valve (4).
CN202223425531.4U 2022-12-16 2022-12-16 Improved outdoor gas water heater Active CN218993665U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223425531.4U CN218993665U (en) 2022-12-16 2022-12-16 Improved outdoor gas water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223425531.4U CN218993665U (en) 2022-12-16 2022-12-16 Improved outdoor gas water heater

Publications (1)

Publication Number Publication Date
CN218993665U true CN218993665U (en) 2023-05-09

Family

ID=86218474

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223425531.4U Active CN218993665U (en) 2022-12-16 2022-12-16 Improved outdoor gas water heater

Country Status (1)

Country Link
CN (1) CN218993665U (en)

Similar Documents

Publication Publication Date Title
TW200400337A (en) High efficiency water heater
US6053162A (en) Balanced flue sealed vent terminal assembly
US3435816A (en) Vent arrangement for sealed combustion systems
CN110186193B (en) Control method of self-adaptive wind pressure and gas water heater
CN201104010Y (en) Condensing gas wall hanging stove
CN218993665U (en) Improved outdoor gas water heater
US6543437B1 (en) Drafthood adapter assembly particularly for stoves and fireplaces
CN208253933U (en) Gas heater of self-adaptation wind pressure
WO2022068888A1 (en) Pipe assembly and heating apparatus
KR20110040755A (en) Cover for a chimney
CA1299041C (en) Power vent
EP2878896B1 (en) Gas water heating appliance with air pressure switch
US4926840A (en) Pilot gas bypass system for fuel-fired furnaces
CN216924742U (en) Forced exhaust type outdoor gas water heater
CN112629035A (en) Automatic-cleaning full-premix gas heating water heater and control method thereof
US2776656A (en) Down draft eliminator
CN220321597U (en) High-efficient heat transfer system, hanging stove and water heater
CN220436810U (en) Gas heating water heater
CN220892566U (en) High-power full-premix condensing furnace and heat supply and heating system thereof
CN210486036U (en) Gas water heater capable of exhausting gas quickly
CN220552094U (en) Wall-mounted boiler with rainwater drainage function
CN217817003U (en) Three-side fire-viewing gas fireplace
CN218955180U (en) Wall-mounted efficient heat exchange water heater
CN210197674U (en) Integrated heat supply unit device
CN213931469U (en) Be applied to guide plate of V font of gas hanging stove

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant