Double-layer water container of gas water heater
By adopting a double-layer water gall structure and anti-blocking mechanism in the gas water heater, the problems of uneven heating of the water and blockage of the dust net are solved, and the effects of uniform heating of the water and smooth flue gas are achieved.
Patent Information
- Application Number
- CN202421786614.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-26
AI Technical Summary
The water body of existing gas water heaters is unevenly heated, and the water temperature near the combustion chamber and the flue gas exhaust pipe is higher, while the water temperature away from these areas is lower, resulting in uneven temperature; at the same time, the mesh holes of the dustproof net are easily blocked by dust particles, affecting the emission of flue gas.
The double-layer water gallbladder structure is adopted, and the water body is heated evenly by rotating the stirring rod, and an anti-blocking mechanism is set up on the dustproof net. The brush is used to clear the blocked dust particles through the mesh to keep the flue gas flowing.
The temperature uniformity of water heating is achieved and the heating efficiency is improved. At the same time, the smoothness of the dustproof net is guaranteed, avoiding the problem of blockage of flue gas emissions.
Smart Images

Figure CN222837121U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas water heaters, in particular to a double-layer water tank of a gas water heater. Background Art
[0002] The prior art discloses a double-layer water bladder for a gas water heater with application number CN201720239838.5. The double-layer water bladder of the gas water heater comprises a lower water bladder, a condensed water recovery layer, and an upper water bladder fixedly installed in sequence from bottom to top. The lower water bladder comprises a combustion chamber and a fire tube connected to the combustion chamber. The upper water bladder comprises a heat exchanger. The two ends of the fire tube are respectively located in the combustion chamber and the condensed water recovery layer. One end of the heat exchanger is located in the condensed water recovery layer. The upper water bladder and the lower water bladder are connected by a seamless pipe. The gas water heater of the utility model adopts a double-layer water bladder structure, with a condensed water recovery layer provided in the middle of the double-layer water bladder. This effectively improves the phenomenon of condensed water extinguishing the burner, prolongs the service life of the burner and the water heater, and reduces safety hazards. At the same time, it further improves the heat exchange efficiency of the gas water heater.
[0003] The existing technology can heat the water body, but the water temperature near the combustion chamber and the flue gas exhaust pipe is higher, while the water temperature far away from the combustion chamber and the flue gas exhaust pipe is lower, resulting in uneven temperature of the water body and uneven heating; and dust particles will be present when the flue gas is discharged. Generally, a dust-proof net is set to intercept the dust particles, but the mesh of the dust-proof net is easily clogged by dust particles, affecting the emission of flue gas. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a double-layer water tank for a gas water heater.
[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0006] The double-layer water tank of the gas water heater includes a double-layer water tank body, the bottom of the double-layer water tank body is penetrated by a combustion furnace fixedly connected to it, the outer wall of the double-layer water tank body is fixedly connected to a plurality of connecting rods, and the plurality of connecting rods are fixedly connected to the base together, the bottom of the combustion furnace is fixedly connected to the top of the base, the front end of the combustion furnace is rotatably connected to the door body through a hinge, the side wall of the double-layer water tank body is provided with a water inlet hopper and a water outlet hopper connected thereto, the top of the combustion furnace is provided with an exhaust pipe fixedly connected thereto, the exhaust pipe penetrates the double-layer water tank body and is fixedly connected thereto, and the top of the exhaust pipe is fixedly connected to a dustproof The net is fixedly connected to the top of the double-layer water bladder body with a motor, the output end of the motor is fixedly connected to a first worm, the end of the first worm is coaxially fixedly connected to a reciprocating screw, the end of the reciprocating screw is coaxially fixedly connected to a second worm, the top of the double-layer water bladder body is fixedly connected to a limit block, the second worm is rotatably connected to the side wall of the limit block, the first worm and the second worm are both engaged with a worm gear, the bottom of the worm gear is fixedly connected to a rotating rod, the rotating rod passes through the double-layer water bladder body and is rotatably connected thereto, a plurality of stirring rods are fixedly connected to the outer wall of the rotating rod, and an anti-blocking mechanism is provided on the reciprocating screw.
[0007] In order to better achieve the above-mentioned purpose, the present invention adopts a further technical solution: the anti-blocking mechanism includes a movable plate sleeved on a reciprocating screw rod, the top of the double-layer water bladder body is fixedly connected with a U-shaped rod, the U-shaped rod passes through the movable plate and is slidably connected to it, and a plurality of brushes are provided at the bottom of the movable plate, and the bottom of the brush is set against the dustproof net.
[0008] In order to better achieve the above purpose, the present invention adopts a further technical solution: the outer wall of the water inlet hopper is fixedly connected to a first electromagnetic valve, and the outer wall of the water outlet hopper is fixedly connected to a second electromagnetic valve.
[0009] In order to better achieve the above-mentioned purpose, the present invention adopts a further technical solution: the top of the dustproof net and the top of the exhaust pipe are arranged on the same horizontal plane.
[0010] In order to better achieve the above-mentioned purpose, the present invention adopts a further technical solution: the plurality of stirring rods are distributed at equal intervals.
[0011] In order to better achieve the above purpose, the utility model adopts a further technical solution: the brush is a soft-bristle brush.
[0012] The advantages of this utility model are: the output end of the motor drives the first worm, reciprocating screw, second worm, two worm wheels, rotating rod and multiple stirring rods to rotate, and the rotation of the multiple stirring rods can stir the water in the double-layer water liner body, so that it is heated evenly, the temperature is balanced, and the heating effect is good. The dustproof net can intercept dust particles in the smoke. When there are too many dust particles, the mesh of the dustproof net will be blocked. The reciprocating screw drives the moving plate and the brush to move back and forth. When the brush moves, it will pass through the mesh to clear the blocked mesh, avoiding the mesh from being blocked and ensuring the smooth flow of smoke through the dustproof net. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic structural diagram of the double-layer water tank of the gas water heater proposed in the present utility model;
[0014] Figure 2 This is a cross-sectional view of the double-layer water tank of the gas water heater proposed in the present invention.
[0015] In the figure: 1 double-layer water tank body, 2 combustion furnace, 3 connecting rod, 4 base, 5 door body, 6 water inlet hopper, 7 water outlet hopper, 8 exhaust pipe, 9 dust screen, 10 motor, 11 first worm, 12 reciprocating screw, 13 second worm, 14 worm gear, 15 rotating rod, 16 stirring rod, 17 moving plate, 18 U-shaped rod. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.
[0017] Reference Figure 1-Figure 2 As shown, the double-layer water tank of the gas water heater includes a double-layer water tank body 1. The double-layer water tank body 1 is a double-layer vacuum setting to prevent heat loss of water. A combustion furnace 2 fixedly connected to the bottom of the double-layer water tank body 1 is provided. The combustion furnace 2 is a gas combustion furnace that can burn to heat water. The outer wall of the double-layer water tank body 1 is fixedly connected to a plurality of connecting rods 3, and the plurality of connecting rods 3 are commonly fixedly connected to the base 4. The bottom of the combustion furnace 2 is fixedly connected to the top of the base 4, and the front end of the combustion furnace 2 is rotatably connected to the door body 5 through a hinge. The side wall of the double-layer water tank body 1 is provided with a water inlet hopper 6 and a water outlet hopper 7 connected thereto. The outer wall of the water inlet hopper 6 is fixedly connected to a first electromagnetic valve, and the outer wall of the water outlet hopper 7 is fixedly connected to a second electromagnetic valve. Cold water can be added to the double-layer water tank body 1 through the water inlet hopper 6, and hot water in the double-layer water tank body 1 can be discharged for use through the water outlet hopper 7.
[0018] The top of the combustion furnace 2 is provided with an exhaust pipe 8 fixedly connected to it. The exhaust pipe 8 passes through the double-layer water liner body 1 and is fixedly connected to it. The top of the exhaust pipe 8 is fixedly connected to a dustproof net 9. The top of the dustproof net 9 and the top of the exhaust pipe 8 are arranged on the same horizontal plane. The high-temperature flue gas generated by combustion is discharged through the exhaust pipe 8. The flue gas can heat the water in the exhaust pipe 8, and the dustproof net 9 can intercept and filter dust particles in the flue gas.
[0019] The top of the double-layer water bladder body 1 is fixedly connected to a motor 10, and the output end of the motor 10 is fixedly connected to a first worm 11. The end of the first worm 11 is coaxially fixedly connected to a reciprocating screw 12, and the end of the reciprocating screw 12 is coaxially fixedly connected to a second worm 13. The top of the double-layer water bladder body 1 is fixedly connected to a limit block, and the second worm 13 is rotatably connected to the side wall of the limit block. The first worm 11 and the second worm 13 are both engaged with a worm gear 14, and the bottom of the worm gear 14 is fixedly connected to a rotating rod 15. The rotating rod 15 passes through the double-layer water bladder body 1 and is rotatably connected thereto. A plurality of stirring rods 16 are fixedly connected to the outer wall of the rotating rod 15, and the plurality of stirring rods 16 are distributed at equal intervals. The water can be stirred by rotating the plurality of stirring rods 16 so that it is heated evenly and the temperature is balanced.
[0020] An anti-clogging mechanism is provided on the reciprocating screw 12, which includes a movable plate 17 sleeved on the reciprocating screw 12, and a U-shaped rod 18 is fixedly connected to the top of the double-layer water bladder body 1. The U-shaped rod 18 passes through the movable plate 17 and is slidably connected thereto. A plurality of brushes are provided at the bottom of the movable plate 17, and the bottom of the brush is set against the dustproof net 9. The brush is a soft-bristle brush. When the dustproof net 9 is blocked, the brush will clear the blocked mesh through the mesh, thereby ensuring the smooth flow of the dustproof net 9.
[0021] The utility model can inject cold water into the double-layer water liner body 1 through the water inlet hopper 6, and the cold water can be heated to a suitable temperature through the combustion furnace 2, and the hot water is discharged through the water outlet hopper 7 for use; the combustion furnace 2 is a gas furnace, which will generate a large amount of high-temperature flue gas during combustion. The flue gas is discharged to the outside through the exhaust pipe 8, and the high-temperature flue gas in the exhaust pipe 8 can heat the cold water in the double-layer water liner body 1, so that the flue gas temperature is reduced, and the flue gas is utilized to save energy; the motor 10 is started, and the first worm 11, the reciprocating screw 12, and the first worm 11 are driven by the output end of the motor 10. The two worms 13, the two worm wheels 14, the rotating rod 15 and the multiple stirring rods 16 rotate. The rotation of the multiple stirring rods 16 can stir the water in the double-layer water liner body 1, so that it is heated evenly, the temperature is balanced, and the heating effect is good; the dust-proof net 9 is provided to intercept dust particles in the flue gas, and when there are too many dust particles, the mesh of the dust-proof net 9 will be blocked. The reciprocating screw 12 rotates to drive the movable plate 17 and the brush to move back and forth. When the brush moves, the brush will pass through the mesh to dredge the blocked mesh, avoid clogging of the mesh, and ensure smooth flow of smoke in the dust-proof net 9.
[0022] The utility model solves the problem in the prior art that the water temperature near the combustion chamber and the flue gas exhaust pipe is higher, while the water temperature away from the combustion chamber and the flue gas exhaust pipe is lower, resulting in uneven temperature of the water body and uneven heating, by arranging a stirring rod and a brush to pass through the clogged mesh holes; and dust particles are present when the flue gas is discharged, and a dust-proof net is generally provided to intercept the dust particles, but the mesh holes of the dust-proof net are easily clogged by dust particles, affecting the discharge of flue gas.
Claims
1. A double-layer water tank of a gas water heater, comprising a double-layer water tank body (1), characterized in that: The bottom of the double-layer water bladder body (1) is penetrated by a combustion furnace (2) fixedly connected thereto; the outer wall of the double-layer water bladder body (1) is fixedly connected to a plurality of connecting rods (3); the plurality of connecting rods (3) are commonly fixedly connected to a base (4); the bottom of the combustion furnace (2) is fixedly connected to the top of the base (4); the front end of the combustion furnace (2) is rotatably connected to a door body (5) via a hinge; the side wall of the double-layer water bladder body (1) is provided with a water inlet hopper (6) and a water outlet hopper (7) connected thereto; the top of the combustion furnace (2) is provided with an exhaust pipe (8) fixedly connected thereto; the exhaust pipe (8) penetrates the double-layer water bladder body (1) and is fixedly connected thereto; the top of the exhaust pipe (8) is fixedly connected to a dustproof net (9); the top of the double-layer water bladder body (1) is fixedly connected to a A motor (10) is provided, wherein the output end of the motor (10) is fixedly connected to a first worm (11), the end of the first worm (11) is coaxially fixedly connected to a reciprocating screw (12), the end of the reciprocating screw (12) is coaxially fixedly connected to a second worm (13), the top of the double-layer water bladder body (1) is fixedly connected to a limit block, the second worm (13) is rotatably connected to the side wall of the limit block, the first worm (11) and the second worm (13) are both meshed with a worm wheel (14), the bottom of the worm wheel (14) is fixedly connected to a rotating rod (15), the rotating rod (15) penetrates the double-layer water bladder body (1) and is rotatably connected thereto, the outer wall of the rotating rod (15) is fixedly connected to a plurality of stirring rods (16), and the reciprocating screw (12) is provided with an anti-blocking mechanism.
2. The double-layer water tank of the gas water heater according to claim 1, characterized in that: The anti-blocking mechanism comprises a movable plate (17) sleeved on a reciprocating screw rod (12); a U-shaped rod (18) is fixedly connected to the top of the double-layer water bladder body (1); the U-shaped rod (18) passes through the movable plate (17) and is slidably connected thereto; a plurality of brushes are provided at the bottom of the movable plate (17); the bottoms of the brushes are arranged to abut against the dustproof net (9).
3. The double-layer water tank of the gas water heater according to claim 1, characterized in that: The outer wall of the water inlet hopper (6) is fixedly connected to a first electromagnetic valve, and the outer wall of the water outlet hopper (7) is fixedly connected to a second electromagnetic valve.
4. The double-layer water tank of the gas water heater according to claim 1, characterized in that: The top of the dustproof net (9) and the top of the exhaust pipe (8) are arranged on the same horizontal plane.
5. The double-layer water tank of the gas water heater according to claim 1, characterized in that: The plurality of stirring rods (16) are distributed at equal intervals.
6. The double-layer water tank of the gas water heater according to claim 2, characterized in that: The brush is a soft-bristle brush.
Citation Information
Patent Citations
Double -deck water container of gas hot water machine
CN206618119U