Filterable inner container for water heater

Abstract

The utility model relates to the technical field of water heater inner containers, and provides a filterable inner container for a water heater, which comprises an inner container main body, the top of the inner container main body is provided with a water receiving pipe, the periphery of the inner wall of the water receiving pipe is provided with fixing grooves, the bottom of the inner wall of each fixing groove is welded with an inserting rod, and a first filtering pipe is inserted into the water receiving pipe. One end of the bottom of the first filter pipe is located in the inner container body, and the periphery of the first filter pipe is connected to the inserting rods in a clamped mode. According to the filterable inner container for the water heater, water can be added into the inner container body through the water receiving pipe, when water flows into the inner container body, triple filtration can be conducted through the first filter pipe, the second filter pipe and the filter cartridge, a large number of impurities in the water can be filtered out through the filter element and granular activated carbon, and generation of scale in the inner container body can be reduced advantageously; the service life of the inner container can be prolonged, and the impact force of water flow can be reduced when water is filtered through the first elastic blocking rod and the second elastic blocking rod.

Description

Technical Field

[0001] The utility model relates to the technical field of water heater inner tanks, and specifically to a filterable inner tank for a water heater. Background Art

[0002] The inner tank is the core component of the water heater, which directly affects the safety performance, usage performance and service life of the water heater. It must have the characteristics of heat preservation, pressure resistance, rust-free, scale-free and water-proof. Once damaged, it is difficult to repair. Its life depends on the material and manufacturing process of the inner tank.

[0003] A Chinese patent discloses a new type of inner tank for an electric water heater, with the announcement number CN208238258U. The article proposes "including an inner tank body, the inner side of the inner wall of the inner tank body is provided with a high-temperature calcined blue coating, the middle of the inner wall of the inner tank body is provided with an ultrafine powder enamel layer, the outer side of the inner wall of the inner tank body is provided with a high-strength low-carbon steel plate layer, the inner tank body is provided with a cavity, the cavity is provided with a plurality of heating tubes, the right end of the heating tube is fixedly connected to the connecting seat, the right end of the connecting seat is provided with a wire connection port, and the wire connection port is sealed and connected to the right end of the inner tank body". However, the prior art cannot filter the water in the inner tank, resulting in the water in the inner tank being easily scaled on the inner wall of the inner tank after being heated. Therefore, it is very necessary to design a filterable inner tank for a water heater. Utility Model Content

[0004] The purpose of the utility model is to provide a filterable inner tank for a water heater, which solves the problem in the related art that the water in the inner tank cannot be filtered during use, resulting in the water in the inner tank easily generating scale on the inner wall of the inner tank after being heated.

[0005] The technical solution of the utility model is as follows:

[0006] A filterable inner tank for a water heater comprises an inner tank body, a water receiving pipe is provided on the top of the inner tank body, and fixing grooves are provided around the inner wall of the water receiving pipe, a plug rod is welded to the bottom of the inner wall of the fixing groove, a first filter tube is inserted into the interior of the water receiving pipe, and one end of the bottom of the first filter tube is located inside the inner tank body, the four sides of the first filter tube are respectively clamped on the plug rod, a second filter tube is inserted into one end of the bottom of the first filter tube, and a filter cartridge is inserted into one end of the bottom of the second filter tube, first elastic resistance rods are provided on both sides of the bottom of the first filter tube, and the telescopic ends of the first elastic resistance rods are welded and fixed to the outer wall of the second filter tube, second elastic resistance rods are provided on both sides of the bottom of the second filter tube, and the telescopic ends of the second elastic resistance rods are welded and fixed to the outer wall of the filter cartridge, a filter element is provided inside the second filter tube, and granular activated carbon is provided inside the filter cartridge.

[0007] Preferably, the interior of the first filter tube is mesh-shaped, the filter element is formed by stacking filter cloths, the outer contour of the second filter tube fits the inner contour of the first filter tube, and the outer contour of the filter cartridge fits the inner contour of the second filter tube.

[0008] Preferably, handles are welded around the top end surface of the first filter tube.

[0009] Preferably, an electric heating frame is screwed onto the inside of the inner tank body, and an electric heating wire is provided inside the electric heating frame; an electric socket is screwed onto the top of the inner tank body, and a connecting wire is provided at one end of the connecting socket, and the connecting wire is connected to the two electric heating frames; a conductive wire is provided at the other end of the connecting socket, and the conductive wire is connected to the two electric heating frames.

[0010] Preferably, the outer wall of the inner tank body is sleeved with a heat insulation sleeve, and the heat insulation sleeve is made of asbestos material.

[0011] Preferably, a base is inserted into one end of the bottom of the inner tank body, and connecting plates are welded around the outer wall of the base, and screw holes are opened on the connecting plates.

[0012] Preferably, a buffer groove is provided inside the base, and a support plate is provided inside the buffer groove, and a plurality of damping buffer rods are screwed to the bottom end surface of the support plate.

[0013] Preferably, the damping buffer rods are equidistantly distributed in a circular array, and one end of the bottom of the damping buffer rod is screwed and fixed to the base.

[0014] Beneficial effects of the utility model:

[0015] Water can be added into the inner tank body through the water connecting pipe. When the water flows into the inner tank body, it will be triple filtered through the first filter tube, the second filter tube and the filter cartridge. The filter element and granular activated carbon can filter out a large amount of impurities in the water, which is beneficial to reduce the scale formation in the inner tank body and increase the service life of the inner tank. The first elastic resistance rod and the second elastic resistance rod can reduce the impact force of the water flow during water filtering.

[0016] The first filter tube can be easily taken out through the handle to remove the filtered debris. The connecting wire can be connected to the power supply on the water heater so that the current can be transmitted to the electric heating frame through the connecting socket and the conductive wire, thereby making the heating wire generate heat and heating the water in the inner tank body. The inner tank body can be insulated and protected by the insulating sleeve, and the heat loss can be reduced. The bottom of the inner tank body can be protected by the base, and the base can be fixedly connected to the water heater by the connecting plate and the screw hole. The buffer groove, the support plate and the damping buffer rod can play a shock-absorbing and buffering role for the inner tank body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is an isometric view of the entire utility model;

[0019] Figure 2 This is an overall cross-sectional view of the utility model;

[0020] Figure 3 This is a schematic diagram of the bottom structure of the utility model;

[0021] Figure 4 This is the overall top view of the utility model;

[0022] In the figure: 1. Inner tank body; 2. Water connection pipe; 3. Fixing groove; 4. Insert rod; 5. First filter tube; 6. Second filter tube; 7. Filter cartridge; 8. First elastic resistance rod; 9. Second elastic resistance rod; 10. Filter element; 11. Granular activated carbon; 12. Handle; 13. Electric heating frame; 14. Heating wire; 15. Electric socket; 16. Electric wire; 17. Conductive wire; 18. Insulation sleeve; 19. Base; 20. Connecting plate; 21. Screw hole; 22. Buffer groove; 23. Support plate; 24. Damping buffer rod. DETAILED DESCRIPTION

[0023] The following will be combined with 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.

[0024] like Figure 1-4As shown, the present embodiment proposes a filterable inner tank for a water heater, comprising an inner tank body 1, a water receiving pipe 2 is provided on the top of the inner tank body 1, and a fixing groove 3 is provided around the inner wall of the water receiving pipe 2, a plug rod 4 is welded to the bottom of the inner wall of the fixing groove 3, a first filter tube 5 is inserted into the water receiving pipe 2, and one end of the bottom of the first filter tube 5 is located inside the inner tank body 1, the four sides of the first filter tube 5 are respectively clamped on the plug rod 4, a second filter tube 6 is inserted into one end of the bottom of the first filter tube 5, and a filter cartridge 7 is inserted into one end of the bottom of the second filter tube 6, first elastic resistance rods 8 are provided on both sides of the bottom of the first filter tube 5, and the telescopic end of the first elastic resistance rod 8 is connected to the outer of the second filter tube 6. The filter cartridge 7 is welded and fixed to the wall, second elastic resistance rods 9 are provided on both sides of the bottom of the second filter tube 6, and the telescopic ends of the second elastic resistance rods 9 are welded and fixed to the outer wall of the filter cartridge 7, a filter element 10 is provided inside the second filter tube 6, and granular activated carbon 11 is provided inside the filter cartridge 7. The interior of the first filter tube 5 is mesh-shaped, and the filter element 10 is formed by stacking filter cloths. The outer contour of the second filter tube 6 fits the inner contour of the first filter tube 5, and the outer contour of the filter cartridge 7 fits the inner contour of the second filter tube 6. Handles 12 are welded around the top end surface of the first filter tube 5, and the first filter tube 5 can be easily taken out by the handles 12. An electric heating frame 13 is screwed inside the inner tank body 1, and the electric heating frame 13 An electric heating wire 14 is arranged inside, an electric socket 15 is screwed on the top of the inner tank body 1, and a connecting wire 16 is arranged at one end of the connecting socket 15, and the connecting wire 16 is connected to the two electric heating frames 13, and a conductive wire 17 is arranged at the other end of the connecting socket 15, and the conductive wire 17 is connected to the two electric heating frames 13, and the connecting wire 16 is connected to the power supply on the water heater, so that the current can be transmitted to the electric heating frame 13 through the connecting socket 15 and the conductive wire 17, thereby making the electric heating wire 14 heat up, and the outer wall of the inner tank body 1 is sleeved with a heat insulation sleeve 18, and the heat insulation sleeve 18 is made of asbestos material, and the inner tank body 1 can be insulated and protected by the heat insulation sleeve 18, and a base 19 is inserted at one end of the bottom of the inner tank body 1, The outer wall of the base 19 is welded with connecting plates 20 all around, and screw holes 21 are provided on the connecting plates 20. The bottom of the inner tank body 1 can be protected by the base 19. At the same time, the base 19 can be fixedly connected to the water heater by using the connecting plates 20 and the screw holes 21. A buffer groove 22 is provided inside the base 19, and a support plate 23 is provided inside the buffer groove 22. A plurality of damping buffer rods 24 are screwed to the bottom end surface of the support plate 23. The buffer groove 22, the support plate 23 and the damping buffer rods 24 can be used to reduce shock and buffer the inner tank body 1. The damping buffer rods 24 are equidistantly distributed in a circular array, and one end of the bottom of the damping buffer rod 24 is screwed and fixed to the base 19.

[0025] In this embodiment, a drain port is provided at the bottom of the inner tank body 1, and water can be added to the inner tank body 1 through the water connection pipe 2. When the water flows into the inner tank body 1, it will be triple filtered through the first filter tube 5, the second filter tube 6 and the filter cartridge 7. The filter element 10 and the granular activated carbon 11 can filter out a large amount of impurities in the water, which is beneficial to reduce the scale formation in the inner tank body 1. The first elastic resistance rod 8 and the second elastic resistance rod 9 can reduce the impact force of the water flow during water filtering. The first filter tube 5 can be easily taken out through the handle 12, and the filtered debris can be removed. 6 is connected to the power supply on the water heater, so that the current can be transmitted to the electric heating frame 13 through the power socket 15 and the conductive wire 17, thereby causing the heating wire 14 to heat up, and then heating the water in the inner tank body 1. The inner tank body 1 can be insulated and protected by the insulation sleeve 18, and at the same time, the heat loss can be reduced. The bottom of the inner tank body 1 can be protected by the base 19. At the same time, the base 19 can be fixedly connected to the water heater by using the connecting plate 20 and the screw hole 21. The buffer groove 22, the support plate 23 and the damping buffer rod 24 can play a shock-absorbing and buffering role on the inner tank body 1.

[0026] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A filterable inner tank for a water heater, comprising an inner tank body (1), characterized in that: A water receiving pipe (2) is provided at the top of the inner tank body (1), and fixing grooves (3) are provided around the inner wall of the water receiving pipe (2), and a plug rod (4) is welded to the bottom of the inner wall of the fixing groove (3). A first filter tube (5) is inserted into the interior of the water receiving pipe (2), and one end of the bottom of the first filter tube (5) is located inside the inner tank body (1). The four sides of the first filter tube (5) are respectively clamped on the plug rod (4), and one end of the bottom of the first filter tube (5) is inserted into the second filter tube (6), and the second filter tube A filter cartridge (7) is inserted at one end of the bottom of the first filter tube (6), first elastic resistance rods (8) are provided on both sides of the bottom of the first filter tube (5), and the telescopic ends of the first elastic resistance rods (8) are welded and fixed to the outer wall of the second filter tube (6), second elastic resistance rods (9) are provided on both sides of the bottom of the second filter tube (6), and the telescopic ends of the second elastic resistance rods (9) are welded and fixed to the outer wall of the filter cartridge (7), a filter element (10) is provided inside the second filter tube (6), and granular activated carbon (11) is provided inside the filter cartridge (7).

2. A filterable inner tank for a water heater according to claim 1, characterized in that: The interior of the first filter tube (5) is in a mesh shape, the filter element (10) is formed by stacking filter cloths, the outer contour of the second filter tube (6) fits the inner contour of the first filter tube (5), and the outer contour of the filter cartridge (7) fits the inner contour of the second filter tube (6).

3. A filterable inner tank for a water heater according to claim 1, characterized in that: Handles (12) are welded around the top end surface of the first filter tube (5).

4. A filterable inner tank for a water heater according to claim 1, characterized in that: An electric heating frame (13) is screwed onto the interior of the inner pot body (1), and an electric heating wire (14) is provided inside the electric heating frame (13); an electric connection socket (15) is screwed onto the top of the inner pot body (1), and a connection wire (16) is provided at one end of the connection socket (15), and the connection wire (16) is connected to the two electric heating frames (13); a conductive wire (17) is provided at the other end of the connection socket (15), and the conductive wire (17) is connected to the two electric heating frames (13).

5. A filterable inner tank for a water heater according to claim 1, characterized in that: The outer wall of the inner tank body (1) is sleeved with a heat insulating sleeve (18), and the heat insulating sleeve (18) is made of asbestos material.

6. A filterable inner tank for a water heater according to claim 1, characterized in that: A base (19) is inserted into one end of the bottom of the inner container body (1), and connecting plates (20) are welded around the outer wall of the base (19), and screw holes (21) are provided on the connecting plates (20).

7. A filterable inner tank for a water heater according to claim 6, characterized in that: A buffer groove (22) is provided inside the base (19), and a support plate (23) is provided inside the buffer groove (22), and a plurality of damping buffer rods (24) are screwed to the bottom end surface of the support plate (23).

8. A filterable inner tank for a water heater according to claim 7, characterized in that: The damping buffer rods (24) are distributed equidistantly in a circular array, and one end of the bottom of the damping buffer rod (24) is screwed and fixed to the base (19).

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