Connecting structure for gas-fired boiler exhaust pipe and heat exchanger
By designing a connection structure for the exhaust pipe of the gas boiler and the heat exchanger, using the coordination of insert blocks, limiting columns, slots and springs, the problem of cumbersome fixing methods of traditional gas boiler heat exhaust pipe fittings is solved, and the problem of cumbersome fixing methods of traditional gas boiler heat exhaust pipe fittings is realized. Simple and quick fixing and disassembly process.
Patent Information
- Application Number
- CN202420546633.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-20
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-03-20
AI Technical Summary
The fixing method of heat exhaust pipe fittings of traditional gas boilers is cumbersome, time-consuming and labor-intensive, and it is more troublesome to disassemble and replace.
A connection structure for gas boiler exhaust pipe and heat exchanger is designed, and a simple and fast fixing and disassembly process is achieved through the coordination of insert blocks, limiting columns, slots and springs.
The connection structure is simple to operate, saves time and effort, and is more convenient to fix and disassemble, avoiding the cumbersome and troublesomeness of traditional fixing methods.
Smart Images
Figure CN222459547U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of gas boilers, in particular to a connection structure for an exhaust pipe of a gas boiler and a heat exchanger. Background Art
[0002] Gas boilers include gas-fired water boilers, gas-fired hot water boilers, gas-fired steam boilers, etc. As the name suggests, a gas boiler refers to a boiler whose fuel is gas. A gas boiler is generally equipped with a heat exchange device, which can reuse the high-temperature gas generated by the combustion of the gas boiler.
[0003] In the prior art, the high-temperature gas generated by the combustion of a gas boiler is generally input into one end of a heat exchange device through a heat exhaust pipe, and uses its own high temperature to heat the gas or liquid in the other end of the heat exchange device.
[0004] However, the heat exhaust pipe of a traditional gas boiler is generally fixed to the input pipe at one end of the heat exchange device by threads or a large number of screws. This fixing method is cumbersome, time-consuming and labor-intensive, and it is troublesome to disassemble and replace. Therefore, the utility model proposes a connection structure for the exhaust pipe of a gas boiler and the heat exchanger to solve the above problems. Utility Model Content
[0005] The purpose of the utility model is to provide a connection structure for a gas boiler exhaust pipe and a heat exchanger to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a connection structure for a gas boiler exhaust pipe and a heat exchanger, the connection structure for a gas boiler exhaust pipe and a heat exchanger comprising: a boiler body, an exhaust pipe is arranged on the side of the boiler body, a mounting plate is arranged at the lower end of the exhaust pipe, slots are opened on the left and right sides of the mounting plate, limiting columns are arranged on both sides of the surface of the mounting plate, and an insert is arranged at the lower end of the limiting column;
[0007] A heat exchanger is provided with an air inlet pipe on the surface of the heat exchanger, a mounting seat is provided at the upper end of the air inlet pipe, a sealing rubber ring is provided on the upper surface of the mounting seat, limiting grooves are provided on both sides of the upper surface of the mounting seat, a plug hole is provided at one end of the limiting groove, sliding seats are provided on the left and right sides of the mounting seat, a telescopic column is provided in the sliding seat, a moving plate is provided at the inner end of the telescopic column, an insert plate is provided on the inner surface of the moving plate, a handle is provided at the outer end of the telescopic column, and a spring is provided on the surface of the telescopic column.
[0008] Preferably, the upper end of the exhaust pipe is fixedly connected to the side of the boiler body, and the mounting plate is fixedly connected to the lower end of the exhaust pipe.
[0009] Preferably, the slots provided on the left and right sides of the mounting plate are in a plate-like structure, the limiting posts are fixedly connected to both sides of the surface of the mounting plate, and the insert blocks are fixedly connected to the lower ends of the limiting posts.
[0010] Preferably, the air inlet pipe is fixedly connected to one end of the upper surface of the heat exchanger, and the mounting seat is fixedly connected to the upper end of the air inlet pipe.
[0011] Preferably, the sealing rubber ring is fixedly connected to the upper surface of the mounting seat, the limiting groove is arranged on the outer side of the sealing rubber ring, and the insertion hole arranged at one end of the limiting groove is in a cylindrical structure.
[0012] Preferably, the telescopic column is fixedly connected to both sides of the outer surface of the movable plate, the plug plate is fixedly connected to the inner surface of the movable plate, and the handle is fixedly connected to the outer end of the telescopic column.
[0013] Preferably, the sliding seat is fixedly connected to the left and right sides of the mounting seat, the telescopic column is slidably connected to the sliding seat, one end of the spring is fixedly connected to the inner surface of the sliding seat, and the other end of the spring is fixedly connected to the outer surface of the moving plate.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The utility model discloses a connection structure for the exhaust pipe of a gas boiler and a heat exchanger. When the exhaust pipe on the side of the boiler body is to be installed on the heat exchanger, the plug block is first aligned with the plug hole and then inserted, and the mounting plate is rotated to make the limit column and the plug block rotate into the other end of the limit groove. At this time, the handle is pulled backward and the plug plate is aligned with the slot, and then the handle is released. Under the action of the spring, the plug plate is inserted into the slot to fix the exhaust pipe on the intake pipe. This fixing method is simple to operate, saves time and effort, and is relatively convenient to disassemble. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 for Figure 1 The enlarged schematic diagram at A in the middle;
[0018] Figure 3 This is a schematic diagram of the local installation structure of the exhaust pipe;
[0019] Figure 4 This is a schematic diagram of the partial installation structure of the air intake pipe;
[0020] Figure 5 It is a top cross-sectional schematic diagram of the local installation structure of the pipe fitting;
[0021] Figure 6 This is a front cross-sectional schematic diagram of the local installation structure of the pipe fitting.
[0022] In the figure: 1. boiler body; 2. exhaust pipe; 3. mounting plate; 4. slot; 5. limit column; 6. plug block; 7. heat exchanger; 8. air inlet pipe; 9. mounting seat; 10. sealing rubber ring; 11. limit groove; 12. plug hole; 13. sliding seat; 14. telescopic column; 15. moving plate; 16. plug plate; 17. handle; 18. spring. DETAILED DESCRIPTION
[0023] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit 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] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected 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.
[0026] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other. Embodiment 1
[0027] See also Figures 1 to 6 The utility model provides a technical solution: a connection structure for a gas boiler exhaust pipe and a heat exchanger, the connection structure for a gas boiler exhaust pipe and a heat exchanger comprises: a boiler body 1, an exhaust pipe 2 is arranged on the side of the boiler body 1, a mounting plate 3 is arranged at the lower end of the exhaust pipe 2, slots 4 are opened on the left and right sides of the mounting plate 3, limiting columns 5 are arranged on both sides of the surface of the mounting plate 3, and a plug block 6 is arranged at the lower end of the limiting column 5; a heat exchanger 7, an air intake pipe 8 is arranged on the surface of the heat exchanger 7, and an air intake pipe 8 is arranged on the surface of the heat exchanger 7. A mounting seat 9 is provided at the upper end of the tube 8, a sealing rubber ring 10 is provided on the upper surface of the mounting seat 9, limiting grooves 11 are provided on both sides of the upper surface of the mounting seat 9, and a plug hole 12 is provided at one end of the limiting groove 11, a sliding seat 13 is provided on the left and right sides of the mounting seat 9, a telescopic column 14 is provided in the sliding seat 13, a moving plate 15 is provided at the inner end of the telescopic column 14, a plug plate 16 is provided on the inner surface of the moving plate 15, a handle 17 is provided at the outer end of the telescopic column 14, and a spring 18 is sleeved on the surface of the telescopic column 14;
[0028] When the exhaust pipe 2 on the side of the boiler body 1 is to be installed on the heat exchanger 7, first align the plug block 6 with the plug hole 12 and then insert it, rotate the mounting plate 3 to make the limiting column 5 and the plug block 6 rotate into the other end of the limiting groove 11, then pull the handle 17 backward and align the plug plate 16 with the slot 4, then release the handle 17, and under the action of the spring 18, the plug plate 16 is inserted into the slot 4 to fix the exhaust pipe 2 on the intake pipe 8. This fixing method is simple to operate, saves time and effort, and is relatively convenient to disassemble. Embodiment 2
[0029] On the basis of the first embodiment, in order to facilitate the installation of the exhaust pipe 2, the upper end of the exhaust pipe 2 is fixedly connected to the side of the boiler body 1, the mounting plate 3 is fixedly connected to the lower end of the exhaust pipe 2, the slots 4 opened on the left and right sides of the mounting plate 3 are in a plate-like structure, the limiting columns 5 are fixedly connected to the two sides of the surface of the mounting plate 3, the plug block 6 is fixedly connected to the lower end of the limiting column 5, the sealing rubber ring 10 is fixedly connected to the upper surface of the mounting seat 9, the limiting groove 11 is opened on the outer side of the sealing rubber ring 10, and the jack 12 opened at one end of the limiting groove 11 is in a cylindrical structure;
[0030] When the exhaust pipe 2 is to be installed on the mounting seat 9, first align the plug block 6 at the lower end of the limiting column 5 with the plug hole 12 on the surface of the mounting seat 9 and then insert it, then rotate the mounting plate 3 to make the limiting column 5 and the plug block 6 rotate into the other end of the limiting groove 11, so that the exhaust pipe 2 is installed on the intake pipe 8, wherein the sealing rubber ring 10 can make the exhaust pipe 2 more tightly and firmly installed through its own elasticity and damping, and at the same time, the sealing rubber ring 10 can also ensure that there will be no leakage when the boiler body 1 inputs high-temperature gas into the heat exchanger 7. This method of installing the exhaust pipe 2 is simple to operate and saves time and effort. Embodiment 3
[0031] On the basis of the second embodiment, in order to facilitate the fixing of the exhaust pipe 2, an intake pipe 8 is fixedly connected to one end of the upper surface of the heat exchanger 7, a mounting seat 9 is fixedly connected to the upper end of the intake pipe 8, a telescopic column 14 is fixedly connected to both sides of the outer surface of the movable plate 15, a plug plate 16 is fixedly connected to the inner surface of the movable plate 15, a handle 17 is fixedly connected to the outer end of the telescopic column 14, a sliding seat 13 is fixedly connected to the left and right side surfaces of the mounting seat 9, the telescopic column 14 is slidably connected to the sliding seat 13, one end of the spring 18 is fixedly connected to the inner surface of the sliding seat 13, and the other end of the spring 18 is fixedly connected to the outer surface of the movable plate 15;
[0032] When the exhaust pipe 2 is to be fixed on the intake pipe 8, after the exhaust pipe 2 is installed on the mounting seat 9, the handle 17 is first pulled backward to make the telescopic column 14 drive the movable plate 15 to move backward, and at the same time, the plug plate 16 on the inner surface of the movable plate 15 is aligned with the slot 4, and then the handle 17 is released. Under the action of the spring 18, the movable plate 15 moves forward and drives the plug plate 16 to be inserted into the slot 4, thereby fixing the exhaust pipe 2 on the intake pipe 8. This method of fixing the exhaust pipe 2 is convenient and quick, and it is relatively easy to disassemble and replace.
[0033] Working principle: In actual use, when the exhaust pipe 2 on the side of the boiler body 1 is to be installed on the heat exchanger 7, first align the plug block 6 with the plug hole 12 and then insert it, rotate the mounting plate 3 to make the limit column 5 and the plug block 6 rotate into the other end of the limit groove 11, then pull the handle 17 backward and align the plug plate 16 with the slot 4, then release the handle 17, and under the action of the spring 18, the plug plate 16 is inserted into the slot 4 to fix the exhaust pipe 2 on the intake pipe 8. This fixing method is simple to operate, saves time and effort, and is relatively easy to disassemble. This avoids the problem that the heat exhaust pipe fittings of traditional gas boilers are generally fixed to the input pipe fittings at one end of the heat exchange device by threads or a large number of screws. This fixing method is relatively cumbersome, time-consuming and labor-intensive, and is relatively troublesome to disassemble and replace.
[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art 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 appended claims and their equivalents.
Claims
1. A connection structure for a gas boiler exhaust pipe and a heat exchanger, characterized in that: The connection structure for the exhaust pipe of a gas boiler and a heat exchanger comprises: a boiler body (1), an exhaust pipe (2) is arranged on the side of the boiler body (1), a mounting plate (3) is arranged at the lower end of the exhaust pipe (2), slots (4) are opened on the left and right sides of the mounting plate (3), limiting columns (5) are arranged on both sides of the surface of the mounting plate (3), and an insert block (6) is arranged at the lower end of the limiting column (5); A heat exchanger (7) is provided on the surface of the heat exchanger (7), a mounting seat (9) is provided at the upper end of the mounting seat (9), a sealing rubber ring (10) is provided on the upper surface of the mounting seat (9), limiting grooves (11) are provided on both sides of the upper surface of the mounting seat (9), a plug hole (12) is provided at one end of the limiting groove (11), a sliding seat (13) is provided on the left and right sides of the mounting seat (9), a telescopic column (14) is provided inside the sliding seat (13), a movable plate (15) is provided at the inner end of the telescopic column (14), an insert plate (16) is provided on the inner surface of the movable plate (15), a handle (17) is provided at the outer end of the telescopic column (14), and a spring (18) is sleeved on the surface of the telescopic column (14).
2. The connection structure between the exhaust pipe of a gas boiler and a heat exchanger according to claim 1, characterized in that: The upper end of the exhaust pipe (2) is fixedly connected to the side of the boiler body (1), and the mounting plate (3) is fixedly connected to the lower end of the exhaust pipe (2).
3. The connection structure between the exhaust pipe of a gas boiler and a heat exchanger according to claim 2, characterized in that: The slots (4) provided on the left and right sides of the mounting plate (3) are in a plate-like structure, the limiting columns (5) are fixedly connected to the two sides of the surface of the mounting plate (3), and the inserting blocks (6) are fixedly connected to the lower ends of the limiting columns (5).
4. The connection structure between the exhaust pipe of a gas boiler and a heat exchanger according to claim 1, characterized in that: The air inlet pipe (8) is fixedly connected to one end of the upper surface of the heat exchanger (7), and the mounting seat (9) is fixedly connected to the upper end of the air inlet pipe (8).
5. The connection structure between the exhaust pipe of a gas boiler and a heat exchanger according to claim 4, characterized in that: The sealing rubber ring (10) is fixedly connected to the upper surface of the mounting seat (9), the limiting groove (11) is arranged on the outer side of the sealing rubber ring (10), and the insertion hole (12) arranged at one end of the limiting groove (11) is in a cylindrical structure.
6. The connection structure between the exhaust pipe of a gas boiler and a heat exchanger according to claim 1, characterized in that: The telescopic column (14) is fixedly connected to both sides of the outer surface of the moving plate (15), the plug plate (16) is fixedly connected to the inner surface of the moving plate (15), and the handle (17) is fixedly connected to the outer end of the telescopic column (14).
7. The connection structure between the exhaust pipe of a gas boiler and a heat exchanger according to claim 6, characterized in that: The sliding seat (13) is fixedly connected to the left and right side surfaces of the mounting seat (9), the telescopic column (14) is slidably connected to the sliding seat (13), one end of the spring (18) is fixedly connected to the inner surface of the sliding seat (13), and the other end of the spring (18) is fixedly connected to the outer surface of the moving plate (15).