CN217236103U

CN217236103U - Air flow-limiting ring and gas heating water heater

Info

Publication number: CN217236103U
Application number: CN202220425013.3U
Authority: CN
Inventors: 陶龙礼; 邓晓文; 陈沛君
Original assignee: Guangzhou Devotion Home Environment Technology Co ltd
Current assignee: Guangzhou Devotion Home Environment Technology Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-08-19
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses an air current-limiting ring and gas heating water heater, this air current-limiting ring include inside installation department of discharging fume and outside air current-limiting portion, are equipped with the mounting hole that the exhaust port that is used for supplying gas heating water heater wore to establish on the installation department of discharging fume, and air current-limiting portion is equipped with a plurality of current-limiting pieces and splice bar, current-limiting piece with the splice bar is connected and is formed hollow out construction. Above-mentioned air restrictor ring is through being equipped with the restrictor plate on the air restrictor ring, changes the quantity of restrictor plate through the mode of demolising to change hollow out construction's draught area, can adjust into the air proportion according to the needs of different power or model, with the commonality and the adjustable ratio that have improved the restrictor ring.

Description

Air flow-limiting ring and gas heating water heater

Technical Field

The utility model relates to a water heater technical field, concretely relates to air restrictor ring and gas heating water heater.

Background

The working principle of the gas heating water heater is as follows: the heating furnace heats circulating water of a heating system by burning natural gas in a combustion chamber; smoke generated during combustion is pumped out by a fan and is discharged to the outside through an inner pipe of a coaxial chimney; meanwhile, the fan pumps the smoke in the combustion chamber out of the combustion chamber to form negative pressure, so that the outer pipe of the coaxial smoke pipe sucks outdoor air into the combustion chamber, the internal pressure and the external pressure are balanced, and the inner pipe of the coaxial chimney discharges high-temperature smoke in the process of sucking the air by the outer pipe of the coaxial chimney; the high-temperature flue gas can preheat the air sucked into the coaxial smoke pipe from the outside, so that the heat efficiency of the heating stove is also improved.

The air current-limiting ring is used as an independent part for connecting the air inlet of the gas heating water heater with the outer pipe of the coaxial smoke pipe, and is used for adjusting the air quantity, so that the heat efficiency of the gas heating furnace is improved, and the combustion smoke is improved.

Patent CN202581814U discloses an air flow-limiting device for a gas appliance smoke tube, which is a hollow circular plate structure to realize the flow-limiting of air. In the conventional technology, the restrictor rings with different diameters need to be replaced according to the requirements of different power machine types so as to adjust the air inlet proportion, so that the applicability of the conventional technology is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model discloses an object provides an air restriction ring, solves above-mentioned traditional problem, and it can adjust into the air proportion according to the needs of different powers or models to the commonality and the adjustable ratio of restriction ring have been improved.

The second purpose of the utility model is to provide a gas heating water heater adopting the air flow-limiting ring.

The utility model discloses one of the purpose adopts following technical scheme to realize:

the utility model provides an air current-limiting ring for install on a gas heating water heater, air current-limiting ring includes inside installation department of discharging fume and outside air current-limiting portion, be equipped with the mounting hole that the exhaust port that is used for supplying gas heating water heater wore to establish on the installation department of discharging fume, air current-limiting portion is equipped with a plurality of current-limiting pieces and splice bar, current-limiting piece with the splice bar is connected and is formed hollow out construction.

Preferably, the hollowed-out structure is a regular structure or an irregular structure.

Preferably, the hollow structure is a strip-shaped structure.

Preferably, the hollowed-out structure is a ladder-shaped structure.

Preferably, the hollowed-out structure is a crescent structure.

Preferably, the hollowed-out structure is a circular arc-shaped structure.

Preferably, the air restriction ring is provided with a side wall, and the outer diameter of the side wall is matched with the inner diameter of an air inlet of the gas heating water heater.

Preferably, the opposite sides of the side wall are provided with raised flanges, and the raised flanges are raised in the direction back to the mounting hole.

Preferably, the side wall is gradually and outwardly expanded from the bottom to the top, a flange extends outwardly from the top of the side wall, and the outer diameter of the flange is matched with the inner diameter of the outer pipe of the coaxial smoke pipe of the gas heating water heater.

The utility model discloses the second adopts following technical scheme to realize:

the gas heating water heater comprises a coaxial smoke pipe and further comprises the air flow-limiting ring, and the air flow-limiting ring is installed between the coaxial smoke pipe and an air inlet of the gas heating water heater.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses an air restrictor ring is through being equipped with the restrictor plate on the air restrictor ring, changes the quantity of restrictor plate through demolising the mode to change hollow out construction's draught area, can adjust into the air proportion according to the needs of different power or model, with the commonality and the adjustable ratio that have improved the restrictor ring.

The utility model discloses an air current-limiting ring is through being equipped with protruding turn-ups, but the direct mount forms the joint structure on the air inlet of gas heating water heater, need not beat the screw, also need not external joint installation of discharging fume, its simple structure, simple to operate.

Drawings

Fig. 1 is a schematic perspective view of an air restrictor ring according to a preferred embodiment of the present invention;

FIG. 2 is a top view of the air restriction ring of FIG. 1;

FIG. 3 is a cross-sectional view of the air restrictor ring of FIG. 2 at A-A;

fig. 4 is an exploded view of the combination of the air restriction ring, the gas-fired water heater, and the coaxial smoke tube shown in fig. 1.

In the figure: 100. an air restrictor ring; 10. a smoke exhaust mounting part; 11. mounting holes; 20. an air restriction portion; 21. a flow-limiting sheet; 22. connecting ribs; 23. a hollow structure; 30. a side wall; 31. the bulge is flanged; 32. a flange; 200. a coaxial smoke tube; 300. gas heating water heater.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that 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 implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.

Referring to fig. 1-4, in order to provide a preferred embodiment of the present invention, an air restriction ring 100 is installed between a coaxial smoke tube 200 and a gas heating water heater 300 to regulate air entering the gas heating water heater 300, specifically, the air restriction ring 100 includes an internal smoke exhaust installation portion 10 and an external air restriction portion 20, the smoke exhaust installation portion 10 is provided with an installation hole 11 for a smoke exhaust port of the gas heating water heater 300 to penetrate through, the air restriction portion 20 is provided with a plurality of restriction pieces 21 and a connection rib 22, and the restriction pieces 21 are connected with the connection rib 22 to form a hollow structure 23. The restrictor plate 21 and the connecting rib 22 are, but not limited to, detachably connected, such as clamped, fastened, or fixedly connected for facilitating shearing.

Above-mentioned air restrictor ring 100 is through being equipped with restrictor plate 21 on air restrictor ring 100, changes restrictor plate 21's quantity through the mode of demolising to change hollow out construction 23's draught area, can adjust into the air proportion according to the needs of different power or model, with the commonality and the adjustable ratio that have improved the restrictor ring, thereby improve heat exchange efficiency.

In one embodiment, the hollow structures 23 are regular structures or irregular structures, when the hollow structures 23 are regular structures, the flow-limiting sheets 21 are uniformly distributed and arranged, so that the air intake amount is uniformly distributed, and when the hollow structures 23 are irregular structures, a turbulent flow effect is formed on the intake air. Optionally, the hollow structure 23 is but not limited to one of a strip structure, a trapezoid structure, a crescent structure, and a circular arc structure, in this embodiment, the hollow structure 23 is a strip structure, so as to facilitate the detachment of the current limiting sheet 21, and by detaching the current limiting sheet 21, the ratio of the smoke exhaust amount to the air intake amount is changed, so that the air intake ratio can be adjusted according to the needs of different powers or models, and the air current limiting ring 100 does not need to be directly replaced.

In another embodiment, the air restriction ring 100 is substantially a disk structure, the air restriction ring 100 is provided with a side wall 30, and the outer diameter of the side wall 30 is matched with the inner diameter of the air inlet of the gas-heating water heater 300, so that the air restriction ring 100 can be sleeved in the air inlet. Optionally, the opposite sides of the side wall 30 are provided with raised flanges 31, the raised flanges 31 are raised in the direction away from the mounting hole 11, and can be directly mounted on the air inlet of the gas heating water heater 300 to form a clamping structure, without screws or external smoke exhaust connectors, and the structure is simple and convenient to mount. In other embodiments, the sidewall 30 is gradually enlarged from the bottom to the top, and a flange 32 extends outwardly from the top of the sidewall 30, and the outer diameter of the flange 32 is adapted to the inner diameter of the outer tube of the coaxial smoke tube 200.

As shown in fig. 4, the present invention further provides a gas heating water heater 300, which includes a coaxial smoke tube 200, the gas heating water heater 300 further includes the above-mentioned air restrictor ring 100, and the air restrictor ring 100 is installed between the coaxial smoke tube 200 and the air inlet of the gas heating water heater 300 to limit the flow of air.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above 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 above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, 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. The utility model provides an air restrictor ring for install on a gas heating water heater, its characterized in that, air restrictor ring includes inside installation department of discharging fume and outside air current-limiting portion, be equipped with the mounting hole that the exhaust port that is used for supplying gas heating water heater wore to establish on the installation department of discharging fume, air current-limiting portion is equipped with a plurality of restrictor pieces and splice bar, the restrictor piece with the splice bar is connected and is formed hollow out construction.

2. The air restriction ring of claim 1, wherein the hollowed-out structure is a regular structure or an irregular structure.

3. The air restrictor ring of claim 2, wherein the openwork structure is an elongated structure.

4. The air restrictor ring of claim 2, wherein the hollowed-out structure is a trapezoidal structure.

5. The air restriction ring of claim 2, wherein the hollowed-out structure is a crescent-shaped structure.

6. The air restriction ring according to claim 2, wherein the hollowed-out structure is a circular arc-shaped structure.

7. The air restrictor ring of claim 1, wherein the air restrictor ring has a sidewall with an outer diameter that is adapted to an inner diameter of an air inlet of a gas-fired water heater.

8. The air restriction ring of claim 7, wherein the opposing sides of the sidewall are provided with raised flanges that are raised away from the mounting hole.

9. The air restriction ring according to claim 7, wherein the sidewall is gradually expanded outward from the bottom to the top, and a flange is extended outward from the top of the sidewall, and the outer diameter of the flange is adapted to the inner diameter of the outer tube of the coaxial smoke tube of the gas-fired water heater.

10. A gas-fired water heater comprising a coaxial smoke tube, characterized in that the gas-fired water heater further comprises an air restrictor ring according to any one of claims 1 to 9, the air restrictor ring being installed between the coaxial smoke tube and an air inlet of the gas-fired water heater.