Inner container of water heating device

Abstract

An inner container of a water heating device comprises a water tank body, a water inlet pipe, a water outlet pipe, an elastic sealing piece and an inner hexagonal fastening screw, the water tank body is provided with a water outlet connector pipe and a water inlet connector pipe, a horizontal pipe inlet part is inserted into a pipe body part, the pipe body part is inserted into an axis hole of an annular partition plate, and a radial positioning protrusion is embedded into a bottom inlet positioning groove. The inner hexagonal fastening screw is screwed with the inner threaded cavity and tightly presses the flange part; the horizontal pipe outlet part is inserted into the pipe body part of the other elastic sealing piece sleeve, the pipe body part is inserted into the axis hole of the annular partition plate, the radial positioning protrusion is embedded into the ejection positioning groove, and the inner hexagonal fastening screw is screwed with the inner thread outlet cavity. The elastic seal adopts the structure that the water inlet connector pipe inlet bottom positioning groove and the water outlet connector pipe outlet top positioning groove are formed, the radial positioning protrusions are arranged on the water inlet pipe and the water outlet pipe respectively and are consistent with the upward direction of the water inlet end and the water outlet end, and the water inlet end and the water outlet end are effectively prevented from facing reversely.

Description

Technical Field

[0001] The utility model relates to a domestic hot water device, in particular to a hot water tank for water inlet and outlet. Background Art

[0002] The current existing technology, Chinese patent 202322560753.5, a water tank structure and a heat pump water heater, the water tank structure includes a vertical water tank, a fixing part and a heat conductor. Among them, the vertical water tank includes an inner tank, a water inlet pipe, a water outlet pipe and a heat exchange pipe. The inner tank is provided with a heating chamber, the water inlet pipe is connected to the bottom of the heating chamber, and the water outlet pipe is connected to the top of the heating chamber; the fixing part is arranged in the heating chamber, and is provided with a water hole and a mounting hole; the heat conductor is passed through the mounting hole and is fixedly connected to the fixing part, the upper end of the heat conductor extends to the heating zone, and the lower end of the heat conductor extends to the bottom of the heating chamber. When there is no opening for assembly, ensure that the outlet end of the water inlet pipe faces downward and the outlet end of the water inlet pipe faces upward. Utility Model Content

[0003] The utility model aims to provide an air hot water tank, which has the characteristics of ensuring that the water outlet end of the water inlet pipe faces downwards and the water inlet end of the water outlet pipe faces upwards during assembly.

[0004] The utility model is realized in this way: a water heater inner tank, which is special in that it comprises a water tank body, a water inlet pipe, a water outlet pipe, an elastic sealing member and a hexagon socket fastening screw,

[0005] The water tank body is provided with a water outlet interface pipe located at the upper part and a water inlet interface pipe located at the lower part, the water outlet interface pipe is provided with an outlet internal thread cavity and an outlet circular ring partition, and the axis hole of the outlet circular ring partition is provided with a top positioning groove; the water inlet interface pipe includes an inlet internal thread cavity and an inlet circular ring partition, and the axis hole of the inlet circular ring partition is provided with a bottom positioning groove;

[0006] The water inlet pipe includes a horizontal water inlet pipe portion and a vertical water outlet pipe portion, and the water outlet pipe includes a horizontal water outlet pipe portion and an upper water inlet pipe portion;

[0007] The elastic sealing member comprises a tube body portion, a flange portion and a radial positioning protrusion;

[0008] The horizontal inlet pipe part is inserted into the pipe body part, the pipe body part is inserted into the axial hole of the circular ring partition, the radial positioning protrusion is engaged with the bottom positioning groove, the hexagon socket fastening screw is screwed into the internal thread cavity and the flange part is tightened; the horizontal outlet pipe part is inserted into the pipe body part of another elastic sealing sleeve, the pipe body part is inserted into the axial hole of the circular ring partition, the radial positioning protrusion is engaged with the top positioning groove, and the hexagon socket fastening screw is screwed into the internal thread cavity.

[0009] The special feature of the inner tank of the water heater is that the axes of the vertical water outlet pipe portion, the upper water inlet pipe portion and the water tank body coincide with each other.

[0010] The special feature of the inner tank of the water heater is that the end of the vertical water outlet pipe is closed and a plurality of radial water outlet holes are arranged at the lower part.

[0011] The special feature of the inner tank of the water heater is that the suspended end of the water outlet pipe is provided with an upper indicating concave point at the upper end of the diameter line of the vertical horizontal plane;

[0012] The suspended end of the water inlet interface pipe is provided with a lower indicating concave point at the lower end of the diameter line of the vertical horizontal plane.

[0013] The special feature of the water heater inner tank is that: a plug-in countersunk hole is provided in the tube body;

[0014] The horizontal pipe inlet portion and the horizontal pipe outlet portion are respectively inserted into the plug-in countersunk holes.

[0015] The utility model discloses an inner tank of a hot water device, wherein the elastic seal adopts such a structure, a bottom positioning groove for a water inlet interface pipe and a top positioning groove for a water outlet interface pipe are arranged, and radial positioning protrusions are respectively arranged on the water inlet pipe and the water outlet pipe so that the water inlet end and the water outlet end face upwards in the same direction, thereby effectively preventing the water inlet end and the water outlet end from being installed in the reverse direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a stereogram of the utility model.

[0017] Figure 2 It is a three-dimensional exploded view of the utility model.

[0018] Figure 3 yes Figure 2 Magnified view of area A.

[0019] Figure 4 yes Figure 2 Enlarged view of area B.

[0020] Figure 5 It is a three-dimensional diagram of the elastic sealing element of the utility model.

[0021] Figure 6 It is a three-dimensional cross-sectional view of the elastic sealing element of the utility model. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1 , Figure 2 As shown, a water heater inner tank comprises a water tank body 1, a water inlet pipe 2, a water outlet pipe 3, an elastic sealing member 4 and a hexagon socket fastening screw 5.

[0025] The water tank body 1 is provided with a water outlet interface pipe 11 located at the upper part and a water inlet interface pipe 12 located at the lower part. The water outlet interface pipe 11 is provided with an outlet internal thread cavity 111 and an outlet circular ring partition plate 112. The axial hole of the outlet circular ring partition plate is provided with a top positioning groove 113. The water inlet interface pipe 12 includes an inlet internal thread cavity 121 and an inlet circular ring partition plate 122. The axial hole of the inlet circular ring partition plate is provided with a bottom positioning groove 123.

[0026] The water inlet pipe 2 includes a horizontal water inlet pipe portion 21 and a vertical water outlet pipe portion 22, and the water outlet pipe 3 includes a horizontal water outlet pipe portion 31 and an upper water inlet pipe portion 32;

[0027] The elastic sealing member 4 includes a tube body portion 41, a flange portion 42 and a radial positioning protrusion 43;

[0028] The hexagon socket fastening screw includes an inner hexagon hole provided on the axis and an outer thread provided on the outer circumferential surface; the inner hexagon hole serves as a tool hole and a water guide hole;

[0029] like Figure 2 As shown, the radial positioning protrusion 43, the vertical water outlet pipe portion 22 and the bottom positioning groove 123 are located on the ZX plane, the radial positioning protrusion 43 and the vertical water outlet pipe portion 22 are facing the negative direction of the Z axis, and the bottom positioning groove 123 is located in the negative direction of the Z axis;

[0030] The radial positioning protrusion 43, the upper water inlet pipe portion 32 and the top positioning groove 113 are located in the ZX plane, the radial positioning protrusion 43 and the upper water inlet pipe portion 32 face the positive direction of the upper Z axis, and the top positioning groove 113 is located in the positive direction of the Z axis;

[0031] The horizontal inlet pipe portion 21 is inserted into the tube body portion 41, the tube body portion 41 is inserted into the axial hole of the annular partition 122, the radial positioning protrusion 43 is engaged with the bottom positioning groove 123, the hexagon socket fastening screw 5 is screwed into the internal thread cavity 121 and the flange portion 42 is tightened; the horizontal outlet pipe portion 31 is inserted into the tube body portion 41 of another elastic sealing component 4, the tube body portion 41 is inserted into the axial hole of the annular partition 112, the radial positioning protrusion 43 is engaged with the top positioning groove 113, and the hexagon socket fastening screw 5 is screwed into the internal thread cavity 111.

[0032] The axes of the vertical water outlet pipe portion 22, the upper water inlet pipe portion 32 and the water tank body 1 coincide with each other.

[0033] As a further improvement of the present invention: the end of the vertical water outlet pipe portion 22 is closed, and a plurality of radial water outlet holes 221 are provided at the lower portion.

[0034] The suspended end of the water outlet interface pipe 11 is provided with an upper indicating concave point 114 at the upper end of the diameter line on the vertical horizontal plane;

[0035] The suspended end of the water inlet interface pipe 12 is provided with a lower indicating concave point 124 at the lower end of the diameter line of the vertical horizontal plane;

[0036] Such a design can prevent the water inlet interface pipe 12 and the water outlet interface pipe from being welded to the water tank body 1, thereby ensuring accuracy.

[0037] As a further improvement of the present utility model: a plug-in countersunk hole 44 is provided in the tube body 41;

[0038] The horizontal pipe inlet portion 21 and the horizontal pipe outlet portion 31 are respectively inserted into the insertion countersunk holes 44 .

[0039] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A water heater tank, characterized in that: It includes a water tank body, a water inlet pipe, a water outlet pipe, an elastic seal and hexagon socket fastening screws. The water tank body is provided with a water outlet interface pipe located at the upper part and a water inlet interface pipe located at the lower part, the water outlet interface pipe is provided with an outlet internal thread cavity and an outlet circular ring partition, and the axis hole of the outlet circular ring partition is provided with a top positioning groove; the water inlet interface pipe includes an inlet internal thread cavity and an inlet circular ring partition, and the axis hole of the inlet circular ring partition is provided with a bottom positioning groove; The water inlet pipe includes a horizontal water inlet pipe portion and a vertical water outlet pipe portion, and the water outlet pipe includes a horizontal water outlet pipe portion and an upper water inlet pipe portion; The elastic sealing member comprises a tube body portion, a flange portion and a radial positioning protrusion; The horizontal inlet pipe part is inserted into the pipe body part, the pipe body part is inserted into the axial hole of the circular ring partition, the radial positioning protrusion is engaged with the bottom positioning groove, the hexagon socket fastening screw is screwed into the internal thread cavity and the flange part is tightened; the horizontal outlet pipe part is inserted into the pipe body part of another elastic sealing sleeve, the pipe body part is inserted into the axial hole of the circular ring partition, the radial positioning protrusion is engaged with the top positioning groove, and the hexagon socket fastening screw is screwed into the internal thread cavity.

2. A water heater tank according to claim 1, characterized in that: The axes of the vertical water outlet pipe portion, the upper water inlet pipe portion and the water tank body coincide with each other.

3. A water heater liner according to claim 1, characterized in that: The end of the vertical water outlet pipe is closed, and a plurality of radial water outlet holes are arranged at the lower part.

4. A water heater tank according to claim 1, characterized in that: The suspended end of the water outlet interface pipe is provided with an upper indicating concave point at the upper end of the diameter line on the vertical horizontal plane; The suspended end of the water inlet interface pipe is provided with a lower indicating concave point at the lower end of the diameter line of the vertical horizontal plane.

5. A water heater liner according to claim 1, 2, 3 or 4, characterized in that: The tube body is provided with a plug-in countersunk hole; The horizontal pipe inlet portion and the horizontal pipe outlet portion are respectively inserted into the plug-in countersunk holes.

Images