Energy-saving central water supply electric water heater

Abstract

The utility model discloses an energy-saving central water supply electric water heater, which relates to the technical field of electric water heaters and comprises a water heater main body, a heater is arranged in the water heater main body, a water inlet pipe and a water outlet pipe penetrate through and are fixedly connected with the bottom of the water heater main body, and a blow-off pipe is arranged at the bottom of the water heater main body. The circulating floor heating water heater has the advantages that the circulating floor heating water heater is provided with the circulating floor heating mechanism, accordingly, the motor can be started to drive stirring rods to rotate in winter, and the water temperature in the water heater main body can be uniform; meanwhile, through cooperation of a rotating gear, a toothed bar, a piston rod and other assemblies, a water suction pipe can suck water in the water heater body, the water is discharged into a floor heating pipe through a water outlet pipe, finally, the water flows back into the water heater body through a backflow pipe to form circulation, and the floor heating effect can be achieved through continuous hot water circulation in the floor heating pipe.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric water heaters, in particular to an energy-saving central water supply electric water heater. Background Art

[0002] An electric water heater is a water heater that uses electricity as energy for heating. It is one of the three major water heaters along with gas water heaters and solar water heaters. Electric water heaters can be divided into three types according to the heating power: storage type (also known as volumetric type or heat storage type), instant heating type, and quick heating type (also known as semi-storage type).

[0003] The utility model with publication number CN210486055U discloses an energy-saving electric water heater for household heating, comprising an inner tank, a hot water inlet pipe, a hot water outlet pipe, and a heating pipe, wherein the hot water inlet pipe, the hot water outlet pipe, and the heating pipe are arranged on the inner tank and extend into the inner tank, and further comprising a floor heating inlet pipe, a floor heating outlet pipe, and a floor heating pipe, wherein the floor heating inlet pipe and the floor heating outlet pipe are arranged on the inner tank and extend into the inner tank. In the above application document, the inner tank is connected with the floor heating pipe, and the floor heating pipe and the inner tank are filled with water, which is heated by the heating pipe and forced to circulate between the inner tank and the floor heating pipe by a circulating pump. In winter, the temperature of the water near the center of the inner tank is higher and the temperature near the inner wall is lower, which may cause uneven water temperature when the water is discharged and poor heating of the floor heating pipe. Utility Model Content

[0004] The utility model aims to provide an energy-saving central water supply electric water heater, which solves the existing problems.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses an energy-saving central water supply electric water heater, comprising a water heater body, a heater is arranged inside the water heater body, a water inlet pipe and a water outlet pipe are penetrated through and fixedly connected to the bottom of the water heater body, a sewage pipe is arranged at the bottom of the water heater body, a magnesium rod is arranged inside the sewage pipe, a motor is fixedly installed on the side of the water heater body through a mounting plate, the motor is fixedly connected to a stirring rod through its output shaft, the stirring rod penetrates and is rotatably connected to the water heater body, a circulating floor heating mechanism is arranged at the bottom of the water heater body, an anti-blocking filtering mechanism is arranged at the bottom of the interior of the water heater body, the circulating floor heating mechanism comprises a rotating gear and a liquid tank, the rotating gear is fixedly connected to the surface of the stirring rod, and the The liquid tank is fixedly connected to the bottom of the water heater body through a bracket, a return spring is provided inside the liquid tank, and a piston rod is slidably connected to the inside of the liquid tank through the return spring piston, and a gear rod is fixedly connected to the top of the piston rod, a water suction pipe passes through and is fixedly connected to one side of the liquid tank, and a water outlet pipe passes through and is fixedly connected to the other side of the liquid tank, and both the water suction pipe and the water outlet pipe are provided with a one-way valve, one end of the water suction pipe away from the liquid tank passes through and is fixedly connected to the bottom of the water heater body, one end of the water outlet pipe away from the liquid tank passes through and is fixedly connected to a floor heating pipe, one end of the floor heating pipe away from the water outlet pipe passes through and is fixedly connected to a return pipe, and one end of the return pipe away from the floor heating pipe passes through and is fixedly connected to the bottom of the water heater body.

[0007] Furthermore, the rotating gear is an incomplete gear, and the teeth on the rotating gear are adapted to the teeth on the gear rod. When the rotating gear rotates with the stirring rod and its upper teeth mesh with the teeth on the gear rod, the gear rod is driven to move upward.

[0008] Furthermore, the one-way valve on the water suction pipe is one-way conductive toward the interior of the liquid tank. When the piston rod moves upward and forms a negative pressure in the liquid tank, water in the water heater body is sucked through the water suction pipe.

[0009] Furthermore, the one-way valve on the water outlet pipe is one-way conductive toward the floor heating pipe. When the piston rod moves downward to squeeze the water in the liquid tank, the water in the liquid tank will be discharged into the floor heating pipe through the water outlet pipe.

[0010] Furthermore, the anti-blocking filtering mechanism includes a filter screen, an air pressure chamber and an extrusion block, the filter screen is fixedly connected to the top of the water suction pipe, the air pressure chamber is fixedly connected to the inner bottom of the water heater body through a bracket, an air bag is provided at one end of the air pressure chamber, and a push rod is slidably connected to the inner wall piston at the other end of the air pressure chamber, a cleaning brush is fixedly connected to the end of the push rod away from the air pressure chamber, and the extrusion block is fixedly connected to the surface of the stirring rod.

[0011] Furthermore, the length of the extrusion block is greater than the distance from the surface of the stirring rod to the airbag, and the airbag is in an expanded state in the initial state. When the extrusion block rotates with the stirring rod, it will repeatedly squeeze the airbag. The squeezed airbag will enter the air pressure chamber and push the push rod to move to the right.

[0012] Furthermore, the bristles of the cleaning brush are in contact with the filter screen in an initial state. The filter screen is made of stainless steel. When the cleaning brush moves repeatedly, the bristles will clean the surface of the filter screen. The filter screen made of stainless steel is not easy to rust or deform.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model is provided with a circulating floor heating mechanism, so that in winter, the motor can be turned on to drive the stirring rod to rotate so that the water temperature in the water heater body is more uniform. At the same time, the cooperation of the rotating gear, gear rod, piston rod and other components will make the water suction pipe absorb the water in the water heater body and discharge it into the floor heating pipe through the outlet pipe, and finally return to the water heater body through the return pipe to form a circulation. The continuous circulation of hot water in the floor heating pipe can achieve the effect of floor heating.

[0015] 2. The utility model is provided with an anti-blocking filtering mechanism, so that the water can be filtered through the filter when the water suction pipe absorbs water, thereby preventing scale from entering the floor heating pipe and forming accumulation. When the motor drives the stirring rod to rotate, it will also drive the cleaning brush to move back and forth through the cooperation of the extrusion block, air bag, air pressure chamber and other components. The cleaning brush moves back and forth and its bristles will clean the surface of the filter to prevent blockage.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a three-dimensional cross-sectional view of the overall structure of the utility model;

[0020] Figure 3 It is a three-dimensional schematic diagram of the structure of the circulating floor heating mechanism of the utility model;

[0021] Figure 4It is a three-dimensional cross-sectional view of the circulating floor heating mechanism structure of the utility model;

[0022] Figure 5 It is a three-dimensional schematic diagram of the anti-blocking filtering mechanism structure of the utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Water heater body; 2. Heater; 3. Water inlet pipe; 4. Water outlet pipe; 5. Drain pipe; 6. Motor; 7. Stirring rod; 8. Circulating floor heating mechanism; 81. Rotating gear; 82. Liquid tank; 83. Return spring; 84. Piston rod; 85. Gear rod; 86. Suction pipe; 87. Drain pipe; 88. Floor heating pipe; 89. Return pipe; 9. Anti-blocking filter mechanism; 91. Filter net; 92. Air pressure tank; 93. Air bag; 94. Push rod; 95. Cleaning brush; 96. Extrusion block; 10. Magnesium rod. DETAILED DESCRIPTION

[0025] 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 of 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.

[0026] See also Figure 1-5The utility model is an energy-saving central water supply electric water heater, comprising a water heater body 1, a heater 2 is arranged inside the water heater body 1, a water inlet pipe 3 and a water outlet pipe 4 are penetrated and fixedly connected at the bottom of the water heater body 1, a sewage pipe 5 is arranged at the bottom of the water heater body 1, a magnesium rod 10 is arranged inside the sewage pipe 5, a motor 6 is fixedly installed on the side of the water heater body 1 through a mounting plate, the motor 6 is fixedly connected with a stirring rod 7 through its output shaft, the stirring rod 7 penetrates and is rotatably connected to the water heater body 1, a circulating floor heating mechanism 8 is arranged at the bottom of the water heater body 1, an anti-blocking filtering mechanism 9 is arranged at the bottom of the water heater body 1, the circulating floor heating mechanism 8 comprises a rotating gear 81 and a liquid tank 82, the rotating gear 81 is fixedly connected to the surface of the stirring rod 7, and the liquid tank 82 is fixedly connected to the surface of the stirring rod 7 through a bracket Connected to the bottom of the water heater body 1, a return spring 83 is provided inside the liquid tank 82, and the inside of the liquid tank 82 is slidably connected to a piston rod 84 through the return spring 83 piston, and the top of the piston rod 84 is fixedly connected to a gear rod 85, and a suction pipe 86 is penetrated and fixedly connected to one side of the liquid tank 82, and a drain pipe 87 is penetrated and fixedly connected to the other side of the liquid tank 82, and a one-way valve is provided on the suction pipe 86 and the drain pipe 87. One end of the suction pipe 86 away from the liquid tank 82 is penetrated and fixedly connected to the bottom of the water heater body 1, and the end of the drain pipe 87 away from the liquid tank 82 is penetrated and fixedly connected to a floor heating pipe 88, and the end of the floor heating pipe 88 away from the drain pipe 87 is penetrated and fixedly connected to a return pipe 89, and the end of the return pipe 89 away from the floor heating pipe 88 is penetrated and fixedly connected to the bottom of the water heater body 1.

[0027] The rotating gear 81 is an incomplete gear, and the teeth on the rotating gear 81 match the teeth on the gear rod 85. The rotating gear 81 rotates along with the stirring rod 7 and when its upper teeth mesh with the teeth on the gear rod 85, the gear rod 85 is driven to move upward.

[0028] The one-way valve on the water suction pipe 86 is unidirectionally conductive toward the interior of the liquid tank 82 . When the piston rod 84 moves upward and forms a negative pressure in the liquid tank 82 , water in the water heater body 1 is sucked through the water suction pipe 86 .

[0029] The one-way valve on the drain pipe 87 is unidirectionally conductive toward the floor heating pipe 88 . When the piston rod 84 moves downward to squeeze the water in the liquid tank 82 , the water in the liquid tank will be discharged into the floor heating pipe 88 through the drain pipe 87 .

[0030] The anti-blocking filtering mechanism 9 includes a filter screen 91, an air pressure chamber 92 and an extrusion block 96. The filter screen 91 is fixedly connected to the top of the water suction pipe 86. The air pressure chamber 92 is fixedly connected to the inner bottom of the water heater body 1 through a bracket. An air bag 93 is provided at one end of the air pressure chamber 92. A push rod 94 is slidably connected to the inner wall piston at the other end of the air pressure chamber 92. A cleaning brush 95 is fixedly connected to the end of the push rod 94 away from the air pressure chamber 92. The extrusion block 96 is fixedly connected to the surface of the stirring rod 7.

[0031] The length of the extrusion block 96 is greater than the distance from the surface of the stirring rod 7 to the airbag 93, and the airbag 93 is in an expanded state in the initial state. When the extrusion block 96 rotates with the stirring rod 7, it will repeatedly squeeze the airbag 93. The air pressure inside the squeezed airbag 93 will enter the air pressure chamber 92 to push the push rod 94 to move to the right.

[0032] The bristles of the cleaning brush 95 are in contact with the filter 91 in the initial state. The filter 91 is made of stainless steel. When the cleaning brush 95 moves repeatedly, the bristles will clean the surface of the filter 91. The filter 91 made of stainless steel is not easy to rust or deform.

[0033] A specific application of the present embodiment is as follows: in winter, water can be supplied to the water heater body 1 through the water inlet pipe 3, the water in the water heater body 1 can be heated by turning on the heater 2, and the water outlet pipe 4 can be turned on to discharge the water for bathing, etc. In winter, the motor 6 can be turned on to drive the stirring rod 7 to rotate and stir the water in the water heater body 1 to prevent uneven water temperature. At the same time, the rotation of the stirring rod 7 will also drive the rotating gear 81 to rotate. At the beginning, when the rotating gear 81 rotates and its upper teeth are engaged with the teeth on the gear rod 85, it will drive the piston rod 84 to move upward, and the return spring 83 will be stretched. When the piston rod 84 moves upward, negative pressure will be formed in the liquid tank 82, thereby sucking the water in the water heater body 1 through the water suction pipe 86. When the rotating gear 81 rotates to the toothless part, the return spring 83 rebounds and drives the piston rod 84 and the gear rod 85 to move downward to restore. At this time, the active The plug rod 84 will squeeze the water in the liquid tank 82 so that the water in the liquid tank 82 is discharged into the floor heating pipe 88 through the drain pipe 87. The water in the floor heating pipe 88 will finally return to the water heater body 1 through the reflux pipe 89 to form a circulation. The circulation of hot water in the floor heating pipe 88 can achieve the effect of floor heating. The filter screen 91 can filter the water when the water suction pipe 86 absorbs water to prevent scale from entering the floor heating pipe 88 and forming accumulation. The squeezing block 96 will repeatedly squeeze the air bag 93 when it rotates with the stirring rod 7. The squeezed air bag 93 will enter the air pressure bin 92 to push the push rod 94 to move right. The push rod 94 will move right and drive the cleaning brush 95 to move right. When the air bag 93 rebounds, the air pressure returns to the air bag 93. At this time, the push rod 94 moves to the left, driving the cleaning brush 95 to move to the left to restore. The cleaning brush 95 moves back and forth and its bristles will clean the surface of the filter screen 91 to prevent blockage.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An energy-saving central water supply electric water heater, comprising a water heater body (1), characterized in that: A heater (2) is arranged inside the water heater body (1); a water inlet pipe (3) and a water outlet pipe (4) are passed through and fixedly connected to the bottom of the water heater body (1); a sewage pipe (5) is arranged at the bottom of the water heater body (1); a magnesium rod (10) is arranged inside the sewage pipe (5); a motor (6) is fixedly mounted on the side of the water heater body (1) via a mounting plate; the motor (6) is fixedly connected to a stirring rod (7) via its output shaft; the stirring rod (7) passes through and is rotatably connected to the water heater body (1); a circulating floor heating mechanism (8) is arranged at the bottom of the water heater body (1); and an anti-blocking filtering mechanism (9) is arranged at the bottom of the water heater body (1); The circulating floor heating mechanism (8) comprises a rotating gear (81) and a liquid tank (82), wherein the rotating gear (81) is fixedly connected to the surface of the stirring rod (7), and the liquid tank (82) is fixedly connected to the bottom of the water heater body (1) through a bracket, and a return spring (83) is arranged inside the liquid tank (82), and a piston rod (84) is slidably connected to the inside of the liquid tank (82) through the return spring (83), and a gear rod (85) is fixedly connected to the top of the piston rod (84), and a water suction pipe (86) is passed through and fixedly connected to one side of the liquid tank (82), and the liquid tank (82) is provided with a plurality of pistons. ) is penetrated and fixedly connected with a drain pipe (87) on the other side, the water suction pipe (86) and the drain pipe (87) are both provided with a one-way valve, the end of the water suction pipe (86) away from the liquid tank (82) is penetrated and fixedly connected with the bottom of the water heater body (1), the end of the drain pipe (87) away from the liquid tank (82) is penetrated and fixedly connected with a floor heating pipe (88), the end of the floor heating pipe (88) away from the drain pipe (87) is penetrated and fixedly connected with a return pipe (89), and the end of the return pipe (89) away from the floor heating pipe (88) is penetrated and fixedly connected with the bottom of the water heater body (1).

2. An energy-saving central water supply electric water heater according to claim 1, characterized in that: The rotating gear (81) is an incomplete gear, and the teeth on the rotating gear (81) are matched with the teeth on the gear rod (85).

3. An energy-saving central water supply electric water heater according to claim 2, characterized in that: The one-way valve on the water suction pipe (86) is unidirectionally conductive toward the interior of the liquid bin (82).

4. An energy-saving central water supply electric water heater according to claim 3, characterized in that: The conducting direction of the one-way valve on the drainage pipe (87) is one-way conducting towards the floor heating pipe (88).

5. An energy-saving central water supply electric water heater according to claim 4, characterized in that: The anti-blocking filtering mechanism (9) comprises a filter screen (91), an air pressure chamber (92) and an extrusion block (96); the filter screen (91) is fixedly connected to the top of the water suction pipe (86); the air pressure chamber (92) is fixedly connected to the inner bottom of the water heater body (1) through a bracket; an air bag (93) is provided at one end of the air pressure chamber (92); a push rod (94) is slidably connected to the inner wall piston at the other end of the air pressure chamber (92); a cleaning brush (95) is fixedly connected to the end of the push rod (94) away from the air pressure chamber (92); and the extrusion block (96) is fixedly connected to the surface of the stirring rod (7).

6. An energy-saving central water supply electric water heater according to claim 5, characterized in that: The length of the squeezing block (96) is greater than the distance from the surface of the stirring rod (7) to the airbag (93), and the airbag (93) is in an expanded state in an initial state.

7. An energy-saving central water supply electric water heater according to claim 6, characterized in that: In an initial state, the bristles of the cleaning brush (95) are in contact with the filter screen (91), and the filter screen (91) is made of stainless steel.

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