CN215892746U

CN215892746U - Water inlet pipe and water heater

Info

Publication number: CN215892746U
Application number: CN202121784795.1U
Authority: CN
Inventors: 杨颂文; 李桦铿
Original assignee: Guangdong Vanward New Electric Co Ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2022-02-22
Anticipated expiration: 2031-07-31

Abstract

The utility model provides a water inlet pipe which comprises an outer pipe and a high-temperature-resistant support piece positioned in the outer pipe, wherein a water inlet is formed in one end of the outer pipe, a plurality of water outlets are formed in the side wall of the outer pipe, and the high-temperature-resistant support piece is sleeved with the outer pipe. The utility model also provides a water heater. The utility model improves the structure of the water inlet pipe, reduces the risk of blocking the water inlet by melting when the plastic water inlet pipe is dry-burned, and reduces the manufacturing cost of the water inlet pipe.

Description

Water inlet pipe and water heater

Technical Field

The utility model relates to the technical field of water heaters, in particular to a water inlet pipe and a water heater.

Background

The water inlet pipe of the existing electric water heater plays a certain guiding role for water flow, the water flow passes through the water inlet pipe and then enters the inner container of the electric water heater, generally, the water inlet pipe can guide the water flow to the bottommost part of the inner container, the water flow direction is downward, the phenomenon that cold water surges upwards to avoid impacting hot water on the inner container, so that the hot water output is unstable, the water outlet is suddenly cooled and suddenly heated, and the hot water outlet efficiency is low.

Meanwhile, in the practical application of the electric water heater, in order to improve the heating efficiency and the hot water output rate, the heating pipe is usually extended into the bottommost part of the inner container as far as possible so as to fully heat the water in the whole inner container, therefore, the water inlet pipe and the heating pipe are both arranged at the bottommost part of the inner container, because of cost limitation, the water inlet pipe is usually made of plastic, when the electric water heater is dried, because the water inlet pipe is close to the heating pipe, the heat generated by the heating pipe can melt the water inlet pipe, and a fault is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defect that the water inlet of the existing water inlet pipe is blocked by melting when the water heater is in a dry-burning condition, and provides the water inlet pipe. The utility model improves the structure of the water inlet pipe and reduces the risk of blocking the water inlet by melting when the plastic water inlet pipe is dry-burned.

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a water inlet pipe, includes outer tube and high temperature resistant support piece, the one end of outer tube is the water inlet, be equipped with a plurality of delivery port on the lateral wall of outer tube, the outer pipe box is located high temperature resistant support piece.

In one embodiment, a plurality of water outlets are symmetrically arranged on the side wall of the outer pipe, and the water outlets are inclined towards the water inlet.

In one embodiment, the outer pipe is provided with an annular boss around the water inlet at one end, and the other end of the outer pipe is a spherical water retaining end.

In one embodiment, the high temperature-resistant support member is tightly attached to the inner wall of the outer pipe.

In one embodiment, the inner wall of the outer tube is provided with a groove extending to one end face of the outer tube, in one embodiment, the high-temperature-resistant support comprises a first member and a second member which are connected with each other, the first member is cylindrical, and one end of the second member which is long-strip-shaped is arranged at one end of the first member; the first member and the second member are sequentially arranged along the direction far away from the water inlet and are tightly attached to the inner wall of the outer pipe.

In one embodiment, the number of the second members is two, the two second members are symmetrically arranged at one end of the first member, and the other end of the two second members is bent to fit with the inner wall of the spherical water retaining end.

In one embodiment, the outer tube is an integrally formed part.

In one embodiment, the refractory support may be made of stainless steel, ceramic, tempered glass, or thermoset plastic.

The water inlet pipe has the technical effects that: the water flow flows into the outer pipe from the water inlet and then flows out from the water outlet on the side wall of the outer pipe. The outer tube that plastics were made is supported by its inside high temperature resistant support piece, even if the water heater takes place the dry combustion method condition, fused plastics can wrap up in high temperature resistant support piece outsidely, avoids the plastics melting to block up the water inlet, leads to the relief valve to become invalid, causes the too big explosion that arouses of water heater inner bag pressure.

The utility model also provides a water heater, which comprises the water inlet pipe and a water tank, wherein the bottom of the water tank is provided with a water inlet pipe orifice and a water outlet pipe orifice, the water inlet pipe is inserted into the water tank from the water inlet pipe orifice, the water tank is internally provided with a water outlet pipe, and the water outlet pipe is communicated with the water outlet pipe orifice.

In this embodiment, the inlet tube subassembly divide into outer tube and high temperature resistant support piece, and high temperature resistant support piece hugs closely the inner wall at the outer tube, when meetting the water heater dry combustion method condition, and the outer tube of plastics can melt gradually under high temperature environment, and high temperature resistant support piece can support the outer tube that the melting is softened, avoids the molten plastics to pile up and influences hot water output at the water inlet, reduces the risk that the water heater broke down.

Drawings

FIG. 1 is a schematic view of the overall structure of a water inlet pipe according to the present invention;

FIG. 2 is a schematic view of the combination of the outer pipe and the high temperature-resistant supporting member in the water inlet pipe according to the present invention;

FIG. 3 is a schematic view of a high temperature support member of a water inlet pipe according to the present invention;

fig. 4 is a schematic structural diagram of a water heater according to the present invention.

In the drawings: 1. an outer tube; 101. a water outlet; 102. a water inlet; 103. a groove; 104. an annular boss; 105. a spherical water retaining end; 2. a high temperature resistant support; 201. a first member; 202. a second member; 3. a water tank; 4. a water inlet pipe orifice; 5. a water outlet pipe orifice; 6. a water outlet pipe; 7. a sewage pipe orifice.

The arrows in fig. 4 indicate the circulation direction of the water in the water tank.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Examples

An embodiment of a water intake riser is shown in fig. 1-3. The utility model provides a water inlet pipe, includes outer tube 1 and high temperature resistant support piece 2, and the one end of outer tube 1 is water inlet 102, is equipped with a plurality of delivery ports 101 on the lateral wall of

outer tube

1, 1 covers of outer tube are located high temperature resistant support piece 2. The high temperature resistant support 2 is tightly attached to the inner wall of the outer pipe 1 to support the outer pipe 1. The water flows into the outer pipe 1 from the water inlet 102 and flows out from the water outlet 101 on the side wall of the outer pipe 1. The high-temperature-resistant support 2 is high in hardness and high-temperature-resistant, and can support the outer pipe 1 made of plastic, even if the outer pipe 1 is melted at high temperature, the high-temperature-resistant support 2 can support the basic shape of the outer pipe 1, so that the phenomenon that the melted plastic blocks the water inlet 102 to influence hot water output is avoided, and the risk that the water heater breaks down is reduced.

It is easily understood that the high temperature-resistant support may be made of high temperature-resistant metal material such as stainless steel, aluminum alloy, etc., or high temperature-resistant non-metal material such as polytetrafluoroethylene, etc.

In one embodiment, the water outlets 101 are symmetrically arranged on the side wall of the outer tube 1, and the water outlets 101 are inclined towards the water inlet 102. Specifically, the water outlet 101 is an arc-shaped groove inclined toward the water inlet 102, and water flows into the outer tube 1 from the water inlet 102 and then flows out from the water outlet 101. The arcuate slot is angled toward the inlet 102 to direct the flow of water. The water flows out of the symmetrical arc-shaped grooves and flows towards the water inlet 102, so that the water in the water heater is driven to circulate continuously, and the heat exchange is fully carried out.

In one embodiment, an annular boss 104 is provided around the water inlet 102 at one end of the outer tube 1, and a spherical water blocking end 105 is provided at the other end of the outer tube 1. The annular boss 104 facilitates the mounting and spacing of the outer tube 1 on the water heater. The water flow entering the outer tube 1 will be limited by the spherical water-retaining end 105 and will only flow out at the water outlet 101.

In one embodiment, as shown in fig. 1, the high temperature resistant support 2 is inserted into the outer tube 1 from the water inlet 102, and the high temperature resistant support 2 is tightly attached to the inner wall of the outer tube 1, and the inner wall of the outer tube 1 is provided with a groove 103 extending to an end face of one end of the outer tube 1. The high temperature-resistant support 2 is inserted into the outer tube 1 from the water inlet 102 and closely attached to the inner wall of the outer tube 1. Two grooves 103 are arranged at the water inlet 102, and the two grooves 103 are symmetrically arranged. At the groove 103, the support 2 is not attached to the outer tube 1, and a user or a worker can take out the high temperature-resistant support 2 through the groove 103.

In one embodiment, the sidewall of the outer tube 1 between the spherical water-retaining end 105 and the water outlet 101 forms a water-retaining cavity. The water blocking cavity changes the direction of water flow while blocking the water flow. After the water flow enters the interior of the outer tube 1 from the water inlet 102, the water blocking cavity gives a recoil force to the entering water flow, so that the water flow flows towards the water inlet 102 and flows out from the water outlet 101.

In one embodiment, as shown in fig. 3, the high temperature resistant support 2 comprises a first member 201 and a second member 202 which are connected with each other, the first member 201 is cylindrical, and one end of the second member 202 which is long is arranged at one end of the first member 201; the first member 201 and the second member 202 are sequentially arranged along a direction away from the water inlet 102 and are tightly attached to the inner wall of the outer tube 1. The first member 201 is cylindrical and is closely attached to the outer pipe 1 near the inlet 102, and the second member 202 is closely attached to the inner wall of the outer pipe 1 without the outlet 101, so that the support 2 supports the outer pipe 1 without affecting the flow of water into or out of the inlet.

In one embodiment, the number of the second members 202 is two, two second members 202 are symmetrically arranged at one end of the first member 201, and the other end is curved to fit the inner wall of the spherical water retaining end 105. Of course, it should be noted that the number and position of the second members 202 are not intended to limit the present invention.

In one embodiment, 8 symmetrically arranged water outlets 101 are symmetrically arranged on the side wall of the outer tube 1. Each side is provided with 4 water outlets 101.

In one embodiment, the outer tube 1 is an integrally formed part. The annular boss 104 and the water outlet 101 are integrally formed by injection molding in an injection molding machine along with the outer pipe 1, so that the manufacturing process of the whole outer pipe 1 is simple, and the manufacturing cost is low.

FIG. 4 illustrates an embodiment of a water heater. The water heater comprises the water inlet pipe and further comprises a water tank 3, a water inlet pipe opening 4 and a water outlet pipe opening 5 are formed in the bottom of the water tank 3, the water inlet pipe is inserted into the water tank 3 from the water inlet pipe opening 4, a water outlet pipe 6 is arranged inside the water tank 3, and the water outlet pipe 6 is communicated with the water outlet pipe opening 5. In this embodiment, the water flows into the water tank 3 through the water inlet pipe, and is discharged through the water outlet pipe 6 after the water tank 3 is heated. The water pipe is located the bottom of water tank 3, and the rivers that the inlet tube flowed into water tank 3 flow towards inlet pipe mouth 4 direction, drive the hydrologic cycle in the water tank 3 and flow, strengthen the heat exchange among the water heater.

In one embodiment, the bottom of the water tank 3 is also provided with a sewage nozzle 7. Maintenance personnel can clean the water tank 3 through the sewage pipe opening 7.

In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A water intake riser, characterized by: the water inlet device is characterized by comprising an outer pipe (1) and high-temperature-resistant supporting pieces (2), wherein one end of the outer pipe (1) is a water inlet (102), a plurality of water outlets (101) are formed in the side wall of the outer pipe (1), and the high-temperature-resistant supporting pieces (2) are sleeved with the outer pipe (1).

2. A water intake riser according to claim 1, wherein: the water outlets (101) are symmetrically arranged on the side wall of the outer pipe (1), and the water outlets (101) incline towards the water inlet (102).

3. A water intake riser according to claim 1, wherein: the water inlet is characterized in that an annular boss (104) wound on the water inlet (102) is arranged on the periphery of one end of the outer pipe (1), and the other end of the outer pipe (1) is a spherical water retaining end (105).

4. A water intake riser according to claim 1, wherein: the high-temperature-resistant supporting piece (2) is tightly attached to the inner wall of the outer pipe (1).

5. A water intake riser according to claim 1, wherein: the inner wall of the outer pipe (1) is provided with a groove (103) extending to the end face of one end of the outer pipe (1).

6. A water intake riser according to claim 3, wherein: the high-temperature-resistant support (2) comprises a first member (201) and a second member (202) which are connected with each other, wherein the first member (201) is cylindrical, the second member (202) is long, and one end of the second member (202) is arranged at one end of the first member (201); the first member (201) and the second member (202) are sequentially arranged along the direction far away from the water inlet (102) and are tightly attached to the inner wall of the outer pipe (1).

7. The water intake riser of claim 6, wherein: the number of the second members (202) is two, the two second members (202) are symmetrically arranged at one end of the first member (201), and the other end of the two second members is bent to be attached to the inner wall of the spherical water retaining end (105).

8. A water intake riser according to claim 3, wherein: the outer pipe (1) is an integrally formed part.

9. A water intake riser according to any one of claims 1-8, wherein: the high temperature resistant support may be made of stainless steel, ceramic, tempered glass or thermoset plastic.

10. A water heater, characterized in that: the water inlet pipe comprises the water inlet pipe according to any one of claims 1 to 9, and further comprises a water tank (3), wherein a water inlet pipe opening (4) and a water outlet pipe opening (5) are formed in the upper bottom of the water tank (3), the water inlet pipe is inserted into the water tank (3) from the water inlet pipe opening (4), a water outlet pipe (6) is arranged in the water tank (3), and the water outlet pipe (6) is communicated with the water outlet pipe opening (5).