CN218846470U

CN218846470U - Gas water heater

Info

Publication number: CN218846470U
Application number: CN202222811501.0U
Authority: CN
Inventors: 卢楚鹏; 李新学; 胡垣华; 孙颖楷; 朱莲宗
Original assignee: Guangdong Vanward New Electric Co Ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-04-11
Anticipated expiration: 2032-10-24

Abstract

The utility model relates to a gas water heater, which comprises a heat exchanger shell, a heat exchange pipe, a first connecting piece and a water pipe joint, wherein the heat exchange pipe, the first connecting piece and the water pipe joint are positioned in the heat exchanger shell; the first connecting piece is fixedly connected to the heat exchange pipe joint and is provided with a pressure applying part which is matched with the pressure bearing part on the heat exchange pipe joint so as to fix the heat exchange pipe joint outside the heat exchanger shell; the water pipe joint is fixedly communicated with the heat exchange pipe joint through a second connecting piece. Effectively reduce condensing heat exchanger and business turn over water piping connection required part, practice thrift the cost, the installation of being convenient for is favorable to improving production efficiency, and user experience feels also good.

Description

Gas water heater

Technical Field

The utility model relates to a gas heater technical field especially relates to a gas heater.

Background

Compared with the common gas water heater, the condensing gas water heater absorbs heat in high-temperature flue gas by adding the condensing heat exchanger, thereby heating cold water and further achieving the effects of energy conservation and environmental protection.

The connecting portion of current condensation heat exchanger subassembly and business turn over water pipe, except that water pipe head, still contain parts such as plastic connector, U type bolt, jump ring, sealing washer, gasket, the part of use is more, leads to the loaded down with trivial details and the structure of installation unstable, is unfavorable for production efficiency's improvement, and user experience feels also poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gas heater, effectively reduce the required part of condensation heat exchanger and business turn over water piping connection, practice thrift the cost, the installation of being convenient for is favorable to improving production efficiency.

The purpose of the utility model is to adopt the following technical scheme to realize:

a gas water heater comprising:

a heat exchanger housing;

the heat exchange pipe is positioned in the heat exchanger shell and is provided with a heat exchange pipe joint, the heat exchange pipe joint can be movably arranged in the heat exchanger shell and can extend out of the heat exchanger shell, and a pressure bearing part which can be abutted against the inner wall of the heat exchanger shell is arranged on the heat exchange pipe joint;

the first connecting piece is provided with a pressure applying part matched with the pressure bearing part on the heat exchange pipe joint, the first connecting piece is fixedly connected to the heat exchange pipe joint, and the pressure bearing part and the pressure applying part jointly clamp the heat exchanger shell so as to fix the heat exchange pipe joint on the heat exchanger shell;

and the water pipe joint is fixedly communicated with the heat exchange pipe joint through a second connecting piece.

Furthermore, the first connecting piece comprises a workpiece main body, one end of the workpiece main body is provided with a first flange to form the pressing portion, and the workpiece main body is fixedly connected to the heat exchange pipe joint.

Further, the workpiece main body is hollow and provided with an internal thread, and the outer surface of the heat exchange pipe joint is provided with an external thread matched with the internal thread for screwing.

Further, the other end of the workpiece main body is provided with a second flange, a third flange which can be attached to the second flange is arranged on the water pipe joint, and the second connecting piece is used for fixedly connecting the second flange with the third flange.

Further, the second connecting piece is a buckle.

Further, the heat exchange pipe joint extends into in the water pipe joint, just the outer wall of heat exchange pipe joint with be provided with the sealing washer that is used for sealed both clearances between the inner wall of water pipe joint.

Further, the heat exchange pipe joint comprises a first joint main body, one end of the first joint main body is provided with a positioning flange to form the bearing portion, and the other end of the first joint main body is provided with a groove for accommodating the sealing ring.

Further, the first flange is circular in shape, and is radially distributed on the outer periphery of one end of the workpiece main body in a circle.

Furthermore, the second flange is polygonal in shape, and is radially distributed on the outer peripheral side of the other end of the workpiece main body in a circle.

The utility model discloses a gas heater compares with the background art, and the beneficial effect who has is:

the installation steadiness that can guarantee heat exchange tube connects is mutually cooperated with the portion of exerting pressure on the first connecting piece through the last portion of bearing of heat exchange tube joint, and water pipe head passes through second connecting piece and heat exchange tube connects stationary phase intercommunication simultaneously, effectively reduces the required part of condensation heat exchanger and business turn over water piping connection, practices thrift the cost, and the installation of being convenient for is favorable to improving production efficiency, and user experience feels also good.

Drawings

Fig. 1 is a schematic structural view of a gas water heater of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic structural diagram of the heat exchange tube joint in FIGS. 1 and 2;

FIG. 4 is a schematic structural diagram of the first connecting member in FIGS. 1 and 2;

fig. 5 is a schematic structural view of the water pipe joint in fig. 1 and 2.

Description of the reference symbols:

10. a heat exchanger housing; 20. a heat exchange pipe joint; 201. positioning the flange; 202. an external thread; 203. a groove; 30. a seal ring; 40. a first connecting member; 401. a workpiece main body; 402. a first flange; 403. a second flange; 404. an internal thread; 50. a second connecting member; 60. a water pipe joint; 601. a third flange; 602. a second connector body.

Detailed Description

In the description of the present application, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 to 5, a gas water heater according to a preferred embodiment of the present invention is shown, which includes a heat exchanger housing 10, a heat exchange tube located in the heat exchanger housing 10, a first connecting member 40, and a water tube connector 60, wherein the heat exchange tube has a heat exchange tube connector 20, the heat exchange tube connector 20 is movably disposed in the heat exchanger housing 10 and can extend to the outside of the heat exchanger housing 10, and the heat exchange tube connector 20 has a pressure-bearing portion capable of abutting against the inner wall of the heat exchanger housing 10; the first connecting member 40 has a pressing portion engaged with the pressure-receiving portion of the heat exchange pipe joint 20; the first connecting piece 40 is fixedly connected to the heat exchange pipe joint 20, and the pressure bearing part and the pressure applying part clamp the heat exchanger shell 10 together so as to fix the heat exchange pipe joint 20 on the heat exchanger shell 10; the water pipe joint 60 is fixedly communicated with the heat exchange pipe joint 20 through a second connector 50 (preferably, a snap).

Specifically, in the present embodiment, the first connecting member 40 comprises a workpiece body 401, one end of the workpiece body 401 is provided with a first flange 402 to form a pressure applying portion, and the workpiece body 401 is fixedly connected to the heat exchange pipe joint 20; the workpiece main body 401 is hollow and is provided with an internal thread 404, and the outer surface of the heat exchange pipe joint 20 is provided with an external thread 202 which is matched with the internal thread 404 for screwing; the other end of the workpiece main body 401 is provided with a second flange 403, the water pipe joint 60 is provided with a third flange 601 which can be attached to the second flange 403, and the second connecting piece 50 is used for fixedly connecting the second flange 403 and the third flange 601. During installation, the first connecting piece 40 is firstly sleeved and screwed on the heat exchange pipe joint 20, then one end part of the heat exchange pipe joint 20 is inserted into the water pipe joint 60, and then the second connecting piece 50 (preferably a buckle) fastens the second flange 403 on the first connecting piece 40 and the third flange 601 on the water pipe joint 60, so that the heat exchange pipe joint 20 is stably connected with the water pipe joint 60, and the structure is simple and easy to implement.

Specifically, in the present embodiment, the heat exchanger tube adapter 20 extends into the water tube adapter 60, and the sealing ring 30 for sealing the gap between the outer wall of the heat exchanger tube adapter 20 and the inner wall of the second adapter main body 602 of the water tube adapter 60 is disposed therebetween, so as to avoid the water leakage problem.

Specifically, in this embodiment, the heat exchange tube connector 20 includes a first connector main body, one end of the first connector main body is provided with a positioning flange 201 to form a pressure-bearing portion, the other end of the first connector main body is provided with a groove 203 for accommodating the sealing ring 30, the external thread 202 is located between the positioning flange 201 and the groove 203, the positioning flange 201 is used for limiting the length of the heat exchange tube connector 20 extending out of the heat exchanger housing 10, when the first connecting member 40 is screwed, the positioning flange 201 and the heat exchanger housing 10 can be pressed, and the heat exchange tube connector 20 and the heat exchanger housing 10 are assembled in a sealing manner.

Specifically, in the present embodiment, the first flange 402 is circular in shape and radially distributed around the outer periphery of one end of the workpiece body 401, which has the advantages of reducing the pressure of the first connecting member 40 on the heat exchanger housing 10, preventing the heat exchanger housing 10 from being damaged, and reducing the number of components by replacing the gasket. The second flange 403 is polygonal in shape, and is radially arranged on the outer periphery of the other end of the workpiece main body 401 in a circle, so as to facilitate tightening with a tool such as a wrench.

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.

The details of the foregoing embodiments are merely representative of several embodiments of the present invention, which are described in more detail and detail, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A gas water heater, its characterized in that: the method comprises the following steps:

a heat exchanger housing (10);

the heat exchange tube positioned in the heat exchanger shell (10) is provided with a heat exchange tube joint (20), the heat exchange tube joint (20) can be movably arranged in the heat exchanger shell (10) and can extend out of the heat exchanger shell (10), and the heat exchange tube joint (20) is provided with a pressure bearing part which can be abutted against the inner wall of the heat exchanger shell (10);

the first connecting piece (40) is provided with a pressure applying part matched with the pressure bearing part on the heat exchange pipe joint (20); the first connecting piece (40) is fixedly connected to the heat exchange pipe joint (20), and the pressure bearing part and the pressure applying part clamp the heat exchanger shell (10) together so as to fix the heat exchange pipe joint (20) on the heat exchanger shell (10);

and the water pipe joint (60) is fixedly communicated with the heat exchange pipe joint (20) through a second connecting piece (50).

2. The gas water heater of claim 1, wherein: the first connecting piece (40) comprises a workpiece main body (401), one end of the workpiece main body (401) is provided with a first flange (402) to form the pressure portion, and the workpiece main body (401) is fixedly connected to the heat exchange pipe joint (20).

3. The gas water heater of claim 2, wherein: the workpiece main body (401) is hollow and provided with internal threads (404), and the outer surface of the heat exchange pipe joint (20) is provided with external threads (202) matched with and screwed with the internal threads (404).

4. The gas water heater of claim 3, wherein: the other end of the workpiece main body (401) is provided with a second flange (403), a third flange (601) which can be attached to the second flange (403) is arranged on the water pipe joint (60), and the second connecting piece (50) is used for fixedly connecting the second flange (403) with the third flange (601).

5. The gas water heater of claim 4, wherein: the second connector (50) is a buckle.

6. The gas water heater of claim 1, wherein: the heat exchange pipe joint (20) extends into the water pipe joint (60), and a sealing ring (30) used for sealing a gap between the outer wall of the heat exchange pipe joint (20) and the inner wall of the water pipe joint (60) is arranged between the outer wall of the heat exchange pipe joint and the inner wall of the water pipe joint.

7. The gas water heater of claim 6, wherein: the heat exchange pipe joint (20) comprises a first joint main body, one end of the first joint main body is provided with a positioning flange (201) to form the bearing portion, and the other end of the first joint main body is provided with a groove (203) used for containing the sealing ring (30).

8. The gas water heater of claim 2, wherein: the first flange (402) is circular in shape and is radially distributed on the outer peripheral side of one end of the workpiece main body (401).

9. The gas water heater of claim 4, wherein: the second flange (403) is polygonal in shape, and is radially distributed on the outer peripheral side of the other end of the workpiece main body (401) in a circle.