CN219572285U - Smoke pipe and gas water heater - Google Patents

Abstract

The utility model discloses a smoke tube and a gas water heater, wherein the smoke tube comprises a smoke tube and a smoke tube, the smoke tube is provided with a smoke discharging hole and a drainage hole, the smoke tube comprises a first tube section and a second tube section which are connected, the diameter of the first tube section is larger than that of the second tube section, one end of the smoke tube is sleeved at one end of the first tube section, the second tube section is positioned in the smoke tube, the inner peripheral wall of the smoke tube and the outer peripheral wall of the second tube section define a drainage cavity, and the drainage hole is communicated with the drainage cavity. According to the embodiment of the utility model, the smoke guide pipe is arranged into the sectional structures with different diameters, so that the annular drainage cavity is formed in the calandria, rainwater can be discharged through the drainage hole communicated with the drainage cavity, the problem of rainwater backflow of the gas water heater is effectively avoided, and the reliability of the gas water heater is improved.

Description

Smoke pipe and gas water heater

Technical Field

The utility model relates to the technical field of gas equipment, in particular to a smoke tube and a gas water heater.

Background

The gas heater can produce waste gas in the course of the work, needs to be outside the exhaust gas discharge chamber that will burn through the tobacco pipe, and the outdoor part of tobacco pipe extension is mostly honeycomb hole design, namely sets up a plurality of exhaust holes on the terminal peripheral wall of tobacco pipe, under rainy day environment, the rainwater can inevitably get into the tobacco pipe through the exhaust hole to flow into inside the water heater along the tobacco pipe, can lead to corrosion or lead to electrical components short circuit to the water heater inside in the past for a long time, causes the damage to the water heater.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the embodiment of the utility model provides the smoke tube capable of effectively preventing rainwater from flowing backwards.

The embodiment of the utility model also provides a gas water heater with the smoke tube.

The smoke pipe comprises a smoke exhaust pipe and a smoke guide pipe, wherein a smoke exhaust hole and a drainage hole are formed in the smoke exhaust pipe, the smoke guide pipe comprises a first pipe section and a second pipe section which are connected, the diameter of the first pipe section is larger than that of the second pipe section, one end of the smoke exhaust pipe is sleeved at one end of the first pipe section, the second pipe section is positioned in the smoke exhaust pipe, a drainage cavity is defined by the inner peripheral wall of the smoke exhaust pipe and the outer peripheral wall of the second pipe section, and the drainage hole is communicated with the drainage cavity.

According to the embodiment of the utility model, the smoke guide pipe is arranged into the sectional structures with different diameters, so that the annular drainage cavity is formed in the calandria, rainwater can be discharged through the drainage hole communicated with the drainage cavity, the problem of rainwater backflow of the gas water heater is effectively avoided, and the reliability of the gas water heater is improved.

In some embodiments, the drain hole communicates with an end of the drain cavity adjacent the first tube segment.

In some embodiments, the plurality of drain holes are arranged at intervals along the circumference of the smoke exhaust pipe.

In some embodiments, the smoke guide tube further comprises a first connecting section, a first end of the first connecting section is connected with the first tube section, a second end of the first connecting section is connected with the second tube section, and the diameter of the first connecting section gradually decreases in a direction from the first end to the second end.

In some embodiments, the smoke evacuation tube is an interference fit with the first tube segment.

In some embodiments, the end of the smoke evacuation tube remote from the smoke guide tube is closed.

In some embodiments, the smoke exhaust pipe comprises a third pipe section and a fourth pipe section which are connected, the diameter of the third pipe section is larger than that of the fourth pipe section, the third pipe section is sleeved on the first pipe section, the second pipe section is positioned in the third pipe section, the drainage hole is positioned in the third pipe section, and the smoke exhaust hole is positioned in the fourth pipe section.

In some embodiments, the smoke evacuation tube further comprises a second connecting section, a first end of the second connecting section being connected to the third tube section, a second end of the second connecting section being connected to the fourth tube section, the diameter of the second connecting section gradually decreasing in a direction from the first end to the second end thereof.

In some embodiments, the diameter of the smoke evacuation tube remains constant along its length.

The gas water heater of the second aspect of the embodiment of the utility model comprises a water heater body, an elbow and the smoke tube of any of the above embodiments, wherein the smoke tube is connected with the water heater body through the elbow.

Drawings

Fig. 1 is a schematic view of a smoke tube according to an embodiment of the present utility model.

Fig. 2 is an exploded view of a smoke tube according to an embodiment of the present utility model.

Fig. 3 is a perspective view of a smoke tube according to an embodiment of the present utility model.

Fig. 4 is a schematic view of a smoke tube according to an embodiment of the present utility model in an inclined state.

Fig. 5 is a schematic view of a gas water heater according to an embodiment of the present utility model.

Reference numerals:

100. a smoke tube; 110. a smoke guide pipe; 111. a first pipe section; 112. a second pipe section; 113. a first connection section; 120. a smoke exhaust pipe; 121. a third pipe section; 122. a fourth pipe section; 123. a second connection section; 124. a smoke vent; 125. a drain hole; 130. a drainage cavity; 200. an elbow; 300. a water heater body;

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The smoke tube 100 and the gas water heater according to the embodiment of the present utility model will be described with reference to the accompanying drawings.

As shown in fig. 1 to 4, the smoke pipe 100 according to the embodiment of the present utility model includes a smoke exhaust pipe 120 and a smoke guide pipe 110 connected to each other, wherein the smoke guide pipe 110 is used for connecting a gas water heater, and exhaust gas generated by combustion can be transmitted to the smoke exhaust pipe 120 and discharged to the outside through the smoke exhaust pipe 120.

Optionally, the smoke exhaust pipe 120 is provided with a smoke exhaust hole 124 and a drain hole 125, wherein the smoke exhaust hole 124 is used for discharging the waste gas generated by the gas water heater, the drain hole 125 is used for discharging the rainwater flowing back in the smoke pipe 100, the smoke guide pipe 110 comprises a first pipe section 111 and a second pipe section 112 which are connected, the diameter of the first pipe section 111 is larger than that of the second pipe section 112, one end of the smoke exhaust pipe 120 is sleeved at one end of the first pipe section 111, that is, the diameter of the smoke exhaust pipe 120 is larger than that of the first pipe section 111, when the smoke exhaust pipe 120 is sleeved on the first pipe section 111, the second pipe section 112 is positioned in the smoke exhaust pipe 120, the inner peripheral wall of the smoke exhaust pipe 120 and the outer peripheral wall of the second pipe section 112 define a drain cavity 130, and the drain hole 125 is communicated with the drain cavity 130.

It will be appreciated that since the diameter of the smoke exhaust pipe 120 is larger than the diameter of the second pipe section 112, there is an annular gap between the inner peripheral wall of the smoke exhaust pipe 120 and the outer peripheral wall of the second pipe section 112, the annular gap being the drainage cavity 130, and the drainage hole 125 being provided on the smoke exhaust pipe 120 and corresponding to the position of the drainage cavity 130, when rainwater flows back along the inner wall of the smoke exhaust pipe 120, it flows into the drainage cavity 130 and is discharged through the drainage hole 125, and the rainwater does not flow back into the gas water heater through the smoke guide pipe 110.

The effect of preventing the backflow of rainwater of the smoke tube 100 according to the embodiment of the present utility model will be described below by taking the state in which the end of the smoke tube 120 is inclined upward as an example, because the end of the smoke tube 100 may be inclined upward, inclined downward or in a horizontal state when installed, limited to the installation skills or consciousness of different installers.

As shown in fig. 4, the arrow direction in the drawing is the flow direction of the rainwater, in the rainy day, the rainwater flows into the smoke exhaust pipe 120 through the smoke exhaust hole 124 and the drain hole 125, a part of the rainwater is discharged through the smoke exhaust hole 124, and the other part flows along the inner wall of the smoke exhaust pipe 120, but due to the design of the double-layer structure at the drain cavity 130, the rainwater does not enter the smoke guide pipe 110, but is discharged through the drain hole 125 at the position of the drain cavity 130. Compared with the downward inclination and the horizontal installation, the upward inclination of the tail end of the smoke tube 100 is the most serious for the backflow of rainwater, so that the smoke tube 100 of the embodiment of the utility model can have good effect of preventing the backflow of rainwater under the downward inclination and the horizontal installation.

It can be understood that, when the smoke pipe 100 of the embodiment of the present utility model is installed, there is no additional requirement for the installer on the direction or angle, and when the smoke pipe 100 of the embodiment of the present utility model is applied, the portion of the smoke pipe 100 extending out of the wall body is inclined downward, horizontal, or upward (the upward inclination is not more than 30 °), and in practice, due to the guarantee limited by the thickness of the wall body and the basic common sense, even if the upward inclination is at a small angle, and is far lower than 30 °), rainwater will not flow back into the interior of the water heater.

The smoke guide pipe 110 of the embodiment of the utility model is provided with the sectional structures with different diameters, so that the annular drainage cavity 130 is formed in the calandria, rainwater can be discharged through the drainage hole 125 communicated with the drainage cavity 130, the problem of rainwater backflow of the gas water heater is effectively avoided, and the reliability of the gas water heater is improved.

In some embodiments, drain bore 125 communicates with an end of drain cavity 130 adjacent first tube segment 111. It will be appreciated that the annular drainage cavity 130 is coaxial with the smoke exhaust pipe 120, one end of the drainage cavity 130, which is far away from the first pipe section 111 in the axial direction, is of an open structure so as to allow rainwater to flow into the drainage cavity 130, and one end of the drainage cavity 130, which is near the first pipe section 111 in the axial direction, is of a closed structure, so that rainwater can be stored in the drainage cavity 130, and the drainage hole 125 is communicated with one end of the drainage cavity 130, which is near the first pipe section 111, so that most of the rainwater in the drainage cavity 130 can be discharged through the drainage hole 125, and corrosion of the smoke exhaust pipe 120 and the smoke guide pipe 110 caused by rainwater is avoided.

In some embodiments, the number of the drainage holes 125 is multiple, for example, 8, 10, 12, etc., and the plurality of drainage holes 125 are arranged at intervals along the circumferential direction of the smoke exhaust pipe 120, so that, on one hand, the speed of draining rainwater can be increased, the rainwater is prevented from being accumulated in the drainage cavity 130, on the other hand, during the process of installing the smoke pipe 100, the position of the drainage holes 125 is not required to be particularly paid attention, the corresponding drainage holes 125 can be ensured at the bottom of the drainage cavity 130, and the installation process is simplified.

As shown in fig. 2, the smoke guide pipe 110 further includes a first connection section 113, a first end of the first connection section 113 is connected to the first pipe section 111, a second end of the first connection section 113 is connected to the second pipe section 112, and a diameter of the first connection section 113 gradually decreases in a direction from the first end to the second end thereof.

The first connecting section 113 plays a transitional role, connects the first pipe section 111 and the second pipe section 112 with different diameters, can reduce the processing difficulty of the smoke guide pipe 110, and can adjust the volume of the drainage cavity 130 by adjusting the size of the first connecting section 113 and the size of the second pipe section 112, so that under the condition of large rainwater flow, sufficient space is reserved in the drainage cavity 130 to store rainwater and drain the rainwater.

In some embodiments, the end of the smoke evacuation tube 120 remote from the smoke guide tube 110 is closed, so that wind is prevented from flowing back into the smoke tube 100 and birds are prevented from entering the smoke tube 100.

The smoke vent 124 is located the one end that the smoke vent 120 kept away from the smoke guide pipe 110 to avoid having the flue gas deposit in the smoke vent 120, the smoke vent 124 divide into the multiunit, and every group all includes a plurality of circumference interval arrangement smoke vents 124 along the smoke vent 120, and the axial interval arrangement of smoke vent 120 is followed to multiunit smoke vent 124, and rainwater accessible smoke vent 124 enters into smoke vent 120, and a portion of rainwater also can be discharged in from smoke vent 120 through smoke vent 124, and the quantity and the aperture of smoke vent 124 set up according to actual demand.

The interference fit between the smoke exhaust pipe 120 and the first pipe section 111 prevents gaps from being formed between the smoke exhaust pipe 120 and the first pipe section 111, so that rainwater can flow into a room from the gaps between the smoke exhaust pipe 120 and the first pipe section 111, and the smoke exhaust pipe 120 and the first pipe section 111 can be connected through bolt connection or welding so as to realize stable connection and prevent the smoke exhaust pipe 120 and the first pipe section 111 from being separated.

As shown in fig. 2, in some embodiments, the smoke exhaust pipe 120 includes a third pipe section 121 and a fourth pipe section 122 connected to each other, the third pipe section 121 has a larger diameter than the fourth pipe section 122, the third pipe section 121 is sleeved on the first pipe section 111, the second pipe section 112 is located in the third pipe section 121, the drain hole 125 is located in the third pipe section 121, and the smoke exhaust hole 124 is located in the fourth pipe section 122.

It should be noted that, since the smoke guide pipe 110 needs to be connected with the elbow 200 or other connecting pipes or the elbow 200, the size of the first pipe section 111 may be the same as the size (such as 60 mm) of the conventional smoke guide pipe, so that the smoke guide pipe is convenient to be in plug-in fit with the elbow 200 or other connecting pipes, under the condition that the size of the first pipe section 111 is determined, the diameter of the smoke discharge pipe 120 should be larger than the conventional smoke guide pipe, but when the gas water heater is installed, the reserved aperture on the wall is the same as the size of the conventional smoke guide pipe, so that the smoke discharge pipe 120 is set to be the third pipe section 121 and the fourth pipe section 122 with different diameters, which not only can meet the fit relation with the first pipe section 111, but also can be matched with the reserved hole, without secondary reaming, so that the universality of the smoke guide pipe 100 is improved, and the installation efficiency of the gas water heater is improved.

Further, the smoke exhaust pipe 120 further comprises a second connecting section 123, the first end of the second connecting section 123 is connected with the third pipe section 121, the second end of the second connecting section 123 is connected with the fourth pipe section 122, the diameter of the second connecting section 123 gradually decreases in the direction from the first end to the second end, the second connecting section 123 plays a transitional role, and the third pipe section 121 and the fourth pipe section 122 with different diameters are connected, so that the processing difficulty of the smoke exhaust pipe 120 can be reduced.

In some embodiments, the diameter of the smoke evacuation tube 120 remains constant along the length of the tube, which reduces the difficulty of machining the smoke evacuation tube 120, but requires reaming the preformed holes when installing the smoke evacuation tube 120.

As shown in fig. 5, the gas water heater according to the second aspect of the present utility model includes a water heater body 300, an elbow 200, and the smoke tube 100 according to any of the foregoing embodiments, the smoke tube 100 is connected to the water heater body 300 through the elbow 200, the number of the elbow 200 may be one or more, and a straight tube smoke tube may be added between the elbows 200 according to practical situations.

The technical advantages of the gas water heater according to the second aspect of the present utility model are the same as those of the smoke pipe 100 according to the above embodiment, and will not be described here again.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims (10)

1. The utility model provides a tobacco pipe, its characterized in that, including discharging fume the pipe and leading the tobacco pipe, be provided with smoke vent and drainage hole on the tobacco pipe of discharging fume, it is including continuous first pipe section and second pipe section to lead the tobacco pipe, the diameter of first pipe section is greater than the diameter of second pipe section, the one end cover of discharging fume the pipe is established the one end of first pipe section, just the second pipe section is located discharge fume intraductal, discharge fume the interior perisporium of pipe with the periphery wall of second pipe section defines the drainage chamber, the drainage hole with the drainage chamber intercommunication.

2. The smoke tube of claim 1 wherein the drain hole communicates with an end of the drain cavity adjacent the first tube segment.

3. The smoke tube of claim 2, wherein the plurality of drainage apertures are spaced apart along the circumference of the smoke tube.

4. The smoke tube of claim 1, wherein said smoke tube further comprises a first connecting section, a first end of said first connecting section being connected to said first tube section, a second end of said first connecting section being connected to said second tube section, a diameter of said first connecting section decreasing in a direction from said first end to said second end.

5. The smoke tube of claim 1, wherein said smoke evacuation tube is an interference fit with said first tube segment.

6. The smoke tube of claim 1, wherein said smoke evacuation tube is closed at an end remote from said smoke guide tube.

7. The smoke tube as defined in any one of claims 1-6, wherein the smoke evacuation tube comprises a third tube section and a fourth tube section connected together, wherein the third tube section has a diameter greater than the fourth tube section, wherein the third tube section is sleeved on the first tube section, wherein the second tube section is positioned within the third tube section, wherein the drain hole is positioned within the third tube section, and wherein the smoke evacuation hole is positioned within the fourth tube section.

8. The smoke tube of claim 7, wherein said smoke tube further comprises a second connecting section, said second connecting section having a first end connected to said third tube section and a second end connected to said fourth tube section, said second connecting section having a diameter that decreases in a direction from said first end to said second end.

9. The smoke tube of any one of claims 1-6, wherein the diameter of the smoke tube remains constant along its length.

10. A gas water heater comprising a water heater body, an elbow and a smoke tube according to any one of claims 1 to 9, the smoke tube being connected to the water heater body by the elbow.