Multi-connected water heating device with top water inlet and outlet function

Abstract

The utility model discloses a top water inlet and outlet multi-connected hot water device which comprises a first heating cavity, at least one second heating cavity is arranged on the side portion of the first heating cavity side by side, heaters are axially installed at the lower ends of the first heating cavity and the second heating cavity in an inserted mode, and a first water passing connecting base is installed at the upper end of the first heating cavity. One end of each first water passing connecting base is connected with a water inlet pipe, second water passing connecting bases are installed at the upper ends of the second heating cavities, the first water passing connecting bases are connected with the adjacent second water passing connecting bases through bypass pipes, and the upper ends of the second heating cavities are connected in an inserted mode through the second water passing connecting bases; the lower end of the first heating cavity is communicated with each second heating cavity through a communicating pipe on the side portion, and the second water passing connecting base on the last second heating cavity in the water flow direction is communicated with the water outlet pipe. According to the multi-connected water heater, the problems of water cut-off overheating and local overheating drying in the existing multi-connected water heater can be solved.

Description

Technical Field

[0001] The utility model relates to the field of instant water heaters, in particular to a multi-unit hot water device with water inlet and outlet at the top. Background Art

[0002] Water heaters are commonly used electrical appliances in people's daily lives, especially instant water heaters, which can be used immediately and are very convenient to use. Instant water heaters need to heat water quickly, and the water is flowing. In the case of water outage, the hot water discharged from the water outlet pipe will not overheat. However, if the water outage occurs during the use of the instant water heater, the water outlet of the instant water heater will be too hot after the water outage is restored, which may scald the user. In addition, most existing water heaters have water outlets at the top, not the top, which will cause the hot water and gas at the top of the heating chamber to not be completely discharged, posing the risk of local overheating or dry burning. Utility Model Content

[0003] The utility model provides a multi-connected hot water device with water inlet and outlet at the top, which solves the problems of overheating when water is shut off and local overheating and drying out that occur in the existing multi-connected water heaters.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-unit hot water device with water inlet and outlet at the top, comprising a first heating chamber, at least one second heating chamber is arranged side by side on the side of the first heating chamber, heaters are axially inserted and installed at the lower ends of the first heating chamber and the second heating chamber, a first water connection seat is installed at the upper end of the first heating chamber, one end of the first water connection seat is connected to the water inlet pipe, a second water connection seat is installed at the upper end of the second heating chamber, and a bypass pipe is passed between the first water connection seat and the adjacent second water connection seat. The upper ends of the second heating chambers are connected to each other through second water-passing connecting seats, the lower end of the first heating chamber is connected to each second heating chamber through a connecting pipe on the side, and the second water-passing connecting seat on the last second heating chamber along the water flow direction is connected to the water outlet pipe, and water is discharged from the top to avoid local overheating or dry burning in the second heating chamber. The bypass pipe can pass the incoming cold water part into the heated hot water to reduce the closed water temperature rise and prevent scalding. It can also discharge the gas from the first heating chamber to avoid local overheating or dry burning in the first heating chamber.

[0005] Preferably, the heater comprises a mounting seat axially extending into the first heating chamber and the second heating chamber, and a heating tube connected to the mounting seat.

[0006] Preferably, the side portions of the mounting seat are provided with connecting pipes extending tangentially along the circumference, and the connecting pipes are connected to the connecting pipes. The water in the second heating chamber can flow in a spiral shape through tangential water inlet, which can reduce the generation of scale and extend the service life.

[0007] Preferably, the mounting seat is connected to the lower end of the first heating chamber or the second heating chamber by an axially arranged screw, and a sealing ring in contact with the inner wall of the first heating chamber or the second heating chamber is sleeved on the outer circumference of the mounting seat, which has a good sealing effect and is easy to disassemble and assemble on the mounting seat.

[0008] Preferably, the inner diameter of the bypass pipe is smaller than the inner diameter of the first water connection seat and the second water connection seat, so that the water flow through the bypass pipe is smaller than the water flow in and out of the first heating chamber or the second heating chamber.

[0009] Preferably, the water inlet pipe and the water outlet pipe both extend toward the lower end of the first heating chamber to facilitate installation.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] A multi-unit heating chamber structure is adopted, which can be increased or decreased as needed. In addition, a structure with water inlet from the upper end, a bypass pipe and water outlet from the top is adopted, which avoids local overheating or dry burning in the first heating chamber and the second heating chamber. A bypass pipe is provided, which can pass the incoming cold water part into the heated hot water, which can reduce the closed water temperature rise and prevent scalding. The heater has a good sealing effect, and the water flowing in the first heating chamber and the second heating chamber is swirling water, which can speed up the flow rate and reduce the generation of scale. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of the first embodiment of the utility model;

[0013] Figure 2 It is a front cross-sectional view of the first embodiment of the utility model;

[0014] Figure 3 This is a bottom view of the first embodiment of the utility model;

[0015] Figure 4 for Figure 3 AA section view of the local structure;

[0016] Figure 5 It is a front view of the second embodiment of the utility model;

[0017] Figure 6 It is a front cross-sectional view of a second embodiment of the utility model;

[0018] Figure 7 for Figure 5 BB section view;

[0019] Figure 8 It is a front view of the third embodiment of the utility model;

[0020] Fig. 9 It is a front cross-sectional view of the third embodiment of the utility model. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] like Figure 1-9 As shown, the utility model provides a multi-unit hot water device with water inlet and outlet at the top, including a first heating chamber 1, at least one second heating chamber 2 is arranged side by side on the side of the first heating chamber 1, a heater 9 is axially inserted and installed at the lower ends of the first heating chamber 1 and the second heating chamber 2, a first water connection seat 6 is installed at the upper end of the first heating chamber 1, one end of the first water connection seat 6 is connected to the water inlet pipe 3, and a second water connection seat 8 is installed at the upper end of the second heating chamber 2, and the first water connection seat 6 and the adjacent second water connection seat 8 are connected. The two heating chambers 2 are connected by a bypass pipe 7, and the upper ends of the second heating chambers 2 are connected to each other by a second water-through connecting seat 8. The lower end of the first heating chamber 1 is connected to each second heating chamber 2 through a connecting pipe 5 on the side. The second water-through connecting seat 8 on the last second heating chamber 2 along the water flow direction is connected to the water outlet pipe 4. Water enters and exits from the upper end, avoiding local overheating or dry burning of the first heating chamber 1 and the second heating chamber 2. The bypass pipe 7 can pass the incoming cold water part into the heated hot water, which can reduce the closed water temperature rise and prevent scalding.

[0023] Specifically, the first heating chamber 1 and the adjacent second heating chamber 2 are in a series structure, while the multiple second heating chambers 2 are in a parallel structure, and the water from the first heating chamber 1 will enter the multiple second heating chambers 2 for heating at the same time, with high heating efficiency. The water inlet pipe 3 and the water outlet pipe 4 both extend toward the lower end of the first heating chamber 1, which is convenient for installation.

[0024] like Figure 1-4 As shown, a first heating chamber 1 and a second heating chamber 2 are connected in series; Figure 5-7 As shown, the first heating chamber 1 is connected in series with two parallel second heating chambers 2; Figure 8-9 As shown, a first heating chamber 1 and three parallel second heating chambers 2 are connected in series.

[0025] The bypass pipe 7 can be used as a part of the first water connection seat 6 and inserted into the adjacent second water connection seat 8 to achieve connectivity. The inner hole diameter of the bypass pipe 7 is smaller than the inner hole diameters of the first water connection seat 6 and the second water connection seat 8, so that the water flow passing through the bypass pipe 7 can be smaller than the water flow in and out of the first heating chamber 1 or the second heating chamber 2. When water is taken in by the water inlet pipe 3, most of the water will flow into the first heating chamber 1, and a small part will enter the hot water that has been heated twice in the adjacent second water connection seat 8 through the bypass pipe 7.

[0026] In this embodiment, the heater 9 includes a mounting seat 11 axially extending into the first heating chamber 1 and the second heating chamber 2 and a heating tube 13 connected to the mounting seat 11. The heating tube 13 and the mounting seat 11 are connected as an integral structure and are inserted into the first heating chamber 1 and the second heating chamber 2 together during installation. In order to ensure the sealing performance, the mounting seat 11 is connected to the lower end of the first heating chamber 1 or the second heating chamber 2 through an axially arranged screw 12. A sealing ring 10 in contact with the inner side wall of the first heating chamber 1 or the second heating chamber 2 is sleeved on the outer circumference of the mounting seat 11, which has a good sealing effect and is convenient for disassembly and assembly on the mounting seat 11. The screws 12 can be arranged on both sides of the mounting seat 11 to press and fix the mounting seat 11. The sealing ring 10 can be an O-ring or a sealing ring of other shapes, and the overall sealing effect is good.

[0027] In this embodiment, if Figure 7 As shown, the side of the mounting seat 11 is provided with a connecting head 14 extending tangentially along the circumference, and the connecting pipe 5 is connected with the connecting head 14. The water flow in the second heating chamber 2 through the tangential water inlet can flow in a spiral shape, which can reduce the generation of scale and extend the service life.

[0028] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0029] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A multi-unit hot water device with water inlet and outlet at the top, characterized in that: include: A first heating chamber (1), at least one second heating chamber (2) is arranged side by side on the side of the first heating chamber (1), a heater (9) is axially inserted and installed at the lower ends of the first heating chamber (1) and the second heating chamber (2), a first water connection seat (6) is installed at the upper end of the first heating chamber (1), one end of the first water connection seat (6) is connected to the water inlet pipe (3), and a second water connection seat (8) is installed at the upper end of the second heating chamber (2), the first water connection seat (6) and the adjacent second water connection seat (8) are connected through a bypass pipe (7), and the upper ends of the second heating chambers (2) are plugged and connected to each other through the second water connection seat (8), the lower end of the first heating chamber (1) is connected to each second heating chamber (2) through a connecting pipe (5) on the side, and the second water connection seat (8) on the last second heating chamber (2) along the water flow direction is connected to the water outlet pipe (4).

2. The multi-unit hot water device with top water inlet and outlet according to claim 1, characterized in that: The heater (9) comprises a mounting seat (11) extending axially into the first heating chamber (1) and the second heating chamber (2), and a heating tube (13) connected to the mounting seat (11).

3. The multi-unit hot water device with top water inlet and outlet according to claim 2, characterized in that: The side portions of the mounting seat (11) are provided with connecting pipe heads (14) extending out along the circumferential tangent direction, and the connecting pipe (5) is connected to the connecting pipe head (14).

4. The multi-unit hot water device with top water inlet and outlet according to claim 2, characterized in that: The mounting seat (11) is connected to the lower end of the first heating chamber (1) or the second heating chamber (2) via an axially arranged screw (12), and a sealing ring (10) is sleeved on the outer circumference of the mounting seat (11) and contacts the inner wall of the first heating chamber (1) or the second heating chamber (2).

5. The multi-unit hot water device with top water inlet and outlet according to claim 1, characterized in that: The inner diameter of the bypass pipe (7) is smaller than the inner diameters of the first water connection seat (6) and the second water connection seat (8).

6. The multi-unit hot water device with top water inlet and outlet according to claim 1, characterized in that: The water inlet pipe (3) and the water outlet pipe (4) both extend towards the lower end of the first heating chamber (1).

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