CN115095879A - Tobacco pipe subassembly and domestic appliance - Google Patents

Abstract

The invention provides a smoke tube component and a household appliance, wherein the smoke tube component comprises: a tube body enclosing a tube cavity; the tip of pipe chamber is located to the retaining ring, and the retaining ring is gone up to the ring and is equipped with a plurality of first through-holes in proper order, and a plurality of first through-holes use the central axis of pipe body to be radial distribution as the center, first through-hole and pipe chamber intercommunication. This tobacco pipe subassembly and domestic appliance are through setting up the retaining ring at the tip of pipe body for this internal flue gas that discharges along the axial of admission pipe can directly discharge the pipe body through first through-hole in the axial, and it is smooth and easy to discharge fume, has guaranteed the smoke evacuation effect.

Description

Tobacco pipe subassembly and domestic appliance

Technical Field

The invention relates to the technical field of household appliances, in particular to a smoke pipe assembly and a household appliance.

Background

The gas water heater can provide corresponding air volume by controlling the rotating speed of the fan so as to maintain the gas water heater to execute the operation of the burner under a good condition.

In the related prior art, the smoke exhaust pipe adopted by the gas water heater is basically provided with a plurality of uniformly distributed smoke exhaust holes along the radial direction at the outlet of a circular smoke pipe so as to exhaust harmful smoke generated by combustion outdoors. Because the discharge direction of the smoke in the smoke discharge pipe is axial and the smoke discharge holes are arranged in radial direction, the smoke discharge resistance is large, the smoke discharge is not smooth, and the smoke discharge effect is influenced.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect of large smoke exhaust resistance caused by the radial arrangement of the smoke exhaust holes in the prior art, and provide a smoke pipe assembly with the non-radial arrangement of the smoke exhaust holes.

In order to solve the above technical problem, the present invention provides a smoke tube assembly, comprising: a tube body enclosing a tube cavity; the retaining ring is arranged at the end part of the tube cavity, a plurality of first through holes are sequentially arranged on the retaining ring in the axial direction and are radially distributed by taking the axis of the tube body as the center, and the first through holes are communicated with the inner cavity.

Optionally, the smoke tube assembly further comprises: the convex hull is arranged at one end of the pipe body, the convex hull is provided with an inner cavity communicated with the pipe cavity, the inner diameter of the convex hull is larger than that of the pipe body, and the check ring is arranged on the convex hull.

Optionally, the convex hull comprises: the convex shell is annularly arranged on the pipe body and surrounds the inner cavity; wherein the retainer ring is arranged at the end part of the convex shell.

Optionally, the convex shell is conical, the convex shell has a first end and a second end, the inner diameter of the first end is smaller than that of the second end, and the second end is provided with the retaining ring.

Optionally, the convex shell is a conical shell; and/or the convex shell and the pipe body are integrally formed.

Optionally, a plurality of second through holes are formed in one end, close to the first through hole, of the convex hull along the radial direction of the pipe body, the second through holes are arranged around the inner cavity in sequence, and the second through holes are communicated with the inner cavity.

Optionally, the retainer ring includes a guiding portion, the guiding portion is arranged to be convex toward the smoke exhaust direction, and the first through hole is formed in the guiding portion.

Optionally, the retaining ring is annular, and the smoke tube assembly further includes: the end cover is connected with the check ring, and the first through holes are formed in the outer portion of the end cover.

Optionally, the smoke tube assembly further comprises: and the bent pipe is connected with the other end of the pipe body.

Therefore, another technical problem to be solved by the invention is to overcome the defect of large smoke discharge resistance caused by the radial arrangement of the smoke discharge holes, thereby providing a household appliance with the non-radial arrangement of the smoke discharge holes.

In order to solve the above technical problem, the present invention provides a household appliance, comprising: the smoke tube assembly of any one of the preceding claims, wherein the smoke tube assembly is adapted to extend outdoors.

The technical scheme of the invention has the following advantages:

1. according to the smoke pipe assembly provided by the invention, the retainer ring is arranged at the end part of the pipe body, so that smoke entering the pipe body and discharged along the axial direction can be directly discharged out of the pipe body through the first through hole in the axial direction, smoke is smoothly discharged, and the smoke discharging effect is ensured.

2. According to the smoke tube assembly provided by the invention, the inner diameter of the convex hull is larger than that of the tube body, so that the plurality of first through holes arranged on the retainer ring can be positioned outside the tube cavity in the axial extending direction, and the inner wall of the convex hull can play a role in guiding smoke, so that the smoke can be discharged out of the smoke tube assembly more conveniently.

3. The smoke tube assembly provided by the invention forms the convex hull through the convex shell, and has a simple structure.

4. According to the smoke tube assembly provided by the invention, the retainer ring is arranged at the second end with the larger inner diameter, and the retainer ring has a guiding effect on smoke, so that the smoke tube assembly is more favorable for discharging the smoke.

5. The smoke tube assembly provided by the invention has the advantage that the structure is simplified by arranging the conical convex shell.

6. According to the smoke tube assembly provided by the invention, the retainer ring is inwards concave towards the inner side of the inner cavity of the convex hull, so that the smoke gathering effect is achieved, and the smoke can be discharged out of the smoke tube assembly from the first through hole more conveniently.

7. According to the smoke tube assembly provided by the invention, the convex hull is blocked by the end cover, so that foreign matters and a large amount of rainwater are prevented from entering the smoke tube assembly.

8. The smoke tube assembly provided by the invention is arranged at the other end of the tube body through the bent tube, so that the smoke tube assembly is convenient to install.

9. According to the smoke tube assembly provided by the invention, the second through hole is formed in the end with the largest inner diameter, and the inner wall of the convex shell is gradually enlarged towards the end close to the end cover along the axial direction, so that the position of the end close to the end cover in the convex shell is lower than the inner bottom of the tube cavity, rainwater can be gathered at the position of the intersection bottom, and therefore backflow is avoided, and the rainproof effect is good.

10. The household appliance provided by the invention has any one of the advantages of the smoke tube assembly due to the smoke tube assembly, and the description is omitted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of a smoke exhaust pipe according to an embodiment in the prior art;

FIG. 2 is a schematic perspective view of a straight pipe with a blocking cover of a smoke exhaust pipe according to an embodiment of the prior art;

FIG. 3 is a schematic perspective view of a straight pipe with a blocking cover for a smoke exhaust pipe according to another embodiment of the prior art;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a perspective view of a smoke tube assembly according to an embodiment of the present invention;

FIG. 6 is a schematic view of a partial structure of a smoke tube assembly according to an embodiment of the present invention;

FIG. 7 is an enlarged schematic view of the structure at P in FIG. 6;

FIG. 8 is a perspective view of a smoke tube assembly according to another embodiment of the present invention;

FIG. 9 is a partial front view of a smoke tube assembly according to an embodiment of the present invention;

FIG. 10 is a side view of a portion of a smoke tube assembly according to an embodiment of the present invention;

FIG. 11 is a front view of a smoke tube assembly according to another embodiment of the present invention;

FIG. 12 is an enlarged view of the structure at Q in FIG. 1;

fig. 13 is a schematic perspective view of a household appliance according to an embodiment of the present invention.

Description of reference numerals:

1-a gas water heater; 2-smoke exhaust pipe; 3-a smoke tube assembly;

210-a smoke exhaust pipe; 220-blocking cover;

211-smoke exhaust holes; 212-a connecting strap; 213-bottom of a straight tube;

31-a tube body; 32-convex hull; 33-end caps; 34-a bent pipe;

321-a first via; 322-convex hull; 323-second via hole; 324-a retainer ring;

3241-deriving part;

l-the central axis of the tube body;

m, B, D, E indicates the direction of rain fall and K, J indicates the direction of smoke.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

At present, as shown in fig. 1, a gas water heater 1 discharges smoke by using a smoke discharge pipe 2, as shown in fig. 2, the smoke discharge pipe 2 is a circular pipe and comprises a straight pipe 210 and a blocking cover 220, a plurality of smoke discharge holes 211 uniformly distributed are radially formed in the pipe wall of the circular straight pipe 210, and the tail end of the straight pipe 210 is blocked by using the blocking cover 220 so as to prevent impurities from entering the smoke discharge pipe 2 and being blocked. As shown in fig. 3, the straight pipe 210 of the smoke exhaust pipe 2 may also be a square pipe, and a plurality of uniformly distributed smoke exhaust holes 211 are radially formed on the pipe wall of the square straight pipe 210.

During the use process of the smoke exhaust pipe 2, the following technical problems are found to exist: 1. as shown in fig. 4, the discharge direction of the flue gas is K, the discharge direction of the flue gas in the smoke discharge pipe 210 is changed from axial direction to radial direction, the smoke discharge resistance is large, and the smoke discharge is not smooth. 2. Continuing to refer to fig. 2, a connecting band 212 is arranged between adjacent smoke discharge holes 211, when the smoke discharge pipe 2 is installed, if the straight pipe 210 is installed horizontally and the bottom 213 of the straight pipe is just located on the connecting band 212, then when it rains, D, B represents the falling direction of rainwater, and the rainwater falls into the smoke discharge holes 211 through D, B direction, and then the rainwater will enter the inside of the water heater 1 along the bottom connecting band 212. Since the rainwater contains sulfur dioxide and other acidic substances, the smoke exhaust pipe 2 or the whole machine is corroded, and the service life of the whole machine is shortened.

Example 1

As shown in fig. 5, a smoke tube assembly comprises: the pipe comprises a pipe body 31 and a retainer ring 324, wherein the pipe body 31 encloses a pipe cavity, the retainer ring 324 is arranged at the end part of the pipe cavity, a plurality of first through holes 321 are sequentially arranged on the retainer ring 324 in the circumferential direction, the plurality of first through holes 321 are radially distributed by taking the central axis L of the pipe body as the center, and the first through holes 321 are communicated with the pipe cavity.

The tube body 31 may be a circular tube or a square tube. Use pipe body 31 as the circular duct for example, set up retaining ring 324 through the tip at pipe body 31, use the central axis L of pipe body as the center, a plurality of first through-holes 321 use the central axis L of pipe body to be radial distribution as the center, can understand, the contained angle that forms between the axis of first through-hole 321 and the central axis L of pipe body is the acute angle, make the central axis L of the relative pipe body of a plurality of first through-holes 321 be radial, be favorable to entering pipe body 31 in along the flue gas of axial emission can direct discharge pipe body 31 through first through-hole 321 in the axial, it is smooth and easy to discharge fume, smoke discharging effect has been guaranteed.

Further, as shown in fig. 6, the smoke tube assembly further includes: the convex hull 32, the convex hull 32 locates one end of the body 31 of the tube, the convex hull 32 has inner chambers communicating with lumen, the internal diameter of the convex hull 32 is greater than the internal diameter of the body 31 of the tube, the retaining ring 324 locates on the convex hull 32.

The shell of foretell convex closure 32 encircles the lumen and sets up, the tip of pipe body 31 is located to convex closure 32, convex closure 32 sets up at the hoop epirelief pipe body 31, because the internal diameter of convex closure 32 is greater than the internal diameter of pipe body 31 for a plurality of first through-holes 321 that set up on the retaining ring 324 can be located the outside of lumen in axial extending direction, and the inner wall of convex closure 32 can play the effect to the direction of flue gas, more is favorable to flue gas exhaust tobacco pipe subassembly 3.

Further, as shown in fig. 5 and 6, the convex hull 32 includes: the convex shell 322, the convex shell 322 is annularly arranged on the pipe body 31, the convex shell 322 encloses an inner cavity, wherein, the retaining ring 324 is arranged at the end part of the convex shell 322.

The convex shell 322 is of a shell structure, one end of the convex shell 322 is connected with the pipe body 31, the convex shell 322 is annularly arranged on the pipe body 31, the retainer ring 324 can be annular, and the plurality of first through holes 321 are annularly and uniformly distributed on the retainer ring 324.

Further, as shown in FIG. 7, the convex shell 322 is tapered, and the convex shell 322 has a first end and a second end, the first end having an inner diameter smaller than the inner diameter of the second end, and the second end having a retaining ring 324.

In the discharging direction of the flue gas, the inner diameter of the convex shell 322 is gradually enlarged, which is more beneficial to discharging the flue gas. By locating the retaining ring 324 at the second end of the larger inner diameter, the retaining ring 324 also acts as a guide for the flue gas, and facilitates the removal of the flue gas.

Further, as shown in fig. 7, the convex hull 322 is a conical shell, simplifying the structure of the convex hull 32. Similarly, the convex shell 322 is integrally formed with the tube body 31, so that the sealing performance is good, and the overall structure is simplified.

Further, as shown in fig. 7 and 8, the retainer ring 324 includes a guiding portion 3241, the guiding portion 3241 is disposed to protrude toward the smoke discharging direction, and the first through hole 321 is disposed in the guiding portion 3241.

The guiding part 4241 and the body of the retainer ring 324 are integrally arranged, so that the outer surface of the guiding part 3241 protrudes outwards towards the smoke discharging direction, and the inner surface of the guiding part 3241 is concave towards the smoke discharging direction, thereby achieving the effect of gathering smoke and being more beneficial to discharging smoke out of the smoke pipe assembly from the first through hole 321.

Further, as shown in fig. 10, the retainer ring 324 is ring-shaped, and the smoke tube assembly further includes: the end cover 33, the end cover 33 is connected with the retainer ring 324, and the plurality of first through holes 321 are arranged around the periphery of the end cover 33.

The end cover 33 can be connected with the inner wall of the retainer ring 324, and the connection structure can be in a threaded connection, so that the end cover 33 can be detached, and maintenance is facilitated. The end cap 33 is used to seal off the convex hull 32 to prevent foreign matter and a large amount of rain water from entering the smoke tube assembly.

Further, as shown in fig. 7 and 9, the convex hull 32 is provided with a plurality of second through holes 323 at an end near the first through hole 321 along a radial direction of the pipe body 31, the plurality of second through holes 323 are sequentially arranged around the inner cavity, and the second through holes 323 are communicated with the annular cavity.

The plurality of second through holes 323 are arranged annularly, so that rainwater entering the convex hull 32 from the second through holes 323 can flow out. In addition, because the inner wall of convex shell 322 is gradually increased to the one end that is close to end cover 33 along the central axis L of pipe body for in convex shell 322, the position that is close to the one end of end cover 33 is less than the interior bottom of lumen, and the rainwater can gather in the position of crossing the end, thereby can not the refluence, and rain-proof effectual.

Further, as shown in fig. 8 and 11, the smoke tube assembly further includes: and an elbow pipe 34, the elbow pipe 34 being connected to the other end of the pipe body 31.

The bent pipe 34 is disposed at the other end of the pipe body 31 for easy installation.

Example 2

As shown in fig. 13, a home appliance includes: any one of the smoke tube assemblies, the smoke tube assembly adapted to extend outdoors.

As shown in fig. 7, the household appliance may be a gas water heater 1. When raining, when rainwater falls in a direction perpendicular to the radial direction of the pipe body 31, namely D, the rainwater drops into the convex hull 32 through the second through hole 323 and the first through hole 321 to reach the bottom, and the bottom section of the convex hull 32 is lower than the inner bottom of the pipe body 31, so that the rainwater can flow out of the smoke pipe assembly;

when it rains, the direction in which rainwater falls is indicated by E, M when rainwater falls at an acute or obtuse angle, i.e., E or M, with respect to the radial direction Z of the pipe body 31. Rainwater can drop into the convex hull 32 through the first through hole 321 and the second through hole 323 of the convex hull 32 to reach the bottom of the convex hull 32, and the rainwater cannot cross the boundary line under the action of factors such as additional gravity;

the two types of the above are most unfavorable to the rain direction of the smoke tube, and do not cause rain water to flow through the boundary line and enter the tube body 31, thereby fundamentally preventing corrosive substances such as sulfur dioxide in the rain water and the like from entering the water heater to corrode the smoke tube assembly and the water heater, and also ensuring the safety of electrical elements.

When the smoke pipe assembly of the present invention discharges smoke, as shown in fig. 11 and 12, the smoke generated during combustion is discharged in the direction J, i.e. the smoke enters the pipe body 31 from the water heater through the elbow pipe 34 to reach the convex hull 32, and then the smoke is discharged to the outside of the smoke pipe assembly from the first through hole 321 and the second through hole 323 of the convex hull 32, the first through hole 321 is a main smoke discharge hole, the smoke discharge of the second through hole 323 is less, and the second through hole 323 mainly functions to flow out the residual rainwater entering the smoke pipe. The direction of the first through hole 321 is almost parallel to the axial direction of the pipe body 31, the resistance is small, and the smoke discharge is smooth. The flue gas is discharged smoothly in time to powerfully ensure that carbon monoxide generated during combustion does not gather and then diffuse in the machine, thereby improving the use safety.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. 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. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. A smoke tube assembly, comprising:

a tube body (31) enclosing a lumen;

the retaining ring (324) is arranged at the end part of the tube cavity, a plurality of first through holes are sequentially arranged on the retaining ring (324) in the axial direction, the first through holes (321) are radially distributed by taking the central axis (L) of the tube body as the center, and the first through holes (321) are communicated with the tube cavity.

2. The smoke tube assembly of claim 1 further comprising:

the pipe comprises a convex hull (32) arranged at one end of the pipe body (31), the convex hull (32) is provided with an inner cavity communicated with the pipe cavity, the inner diameter of the convex hull (32) is larger than that of the pipe body (31), and a retainer ring (324) is arranged on the convex hull (32).

3. The smoke tube assembly of claim 2, wherein said convex hull (32) comprises:

the convex shell (322) is annularly arranged on the pipe body (31), and the convex shell (322) encloses the inner cavity;

wherein the retainer ring (324) is arranged at the end part of the convex shell (322).

4. The smoke tube assembly of claim 3, wherein said convex hull (322) is tapered, said convex hull (322) having a first end and a second end, said first end having an inner diameter smaller than an inner diameter of said second end, said second end being provided with said collar (324).

5. The smoke tube assembly of claim 3, wherein said convex shell (322) is a conical shell; and/or the convex shell (322) and the pipe body (31) are integrally formed.

6. The smoke tube assembly of any one of claims 2 to 5, wherein the convex hull (32) is provided with a plurality of second through holes (323) at one end close to the first through hole (321) along the radial direction of the tube body (31), the plurality of second through holes (323) are sequentially arranged around the inner cavity, and the second through holes (323) are communicated with the inner cavity.

7. A smoke tube assembly according to any of the claims 1-5, wherein said collar (324) comprises a guiding portion (3241), said guiding portion (3241) being provided outwardly facing the smoke evacuation direction, said first through hole (321) being provided in said guiding portion (3241).

8. The smoke tube assembly of any of claims 1-5 wherein said retainer ring (324) is annular, said smoke tube assembly further comprising:

and the end cover (33) is connected with the retainer ring (324), and the first through holes (321) are arranged outside the end cover (33).

9. The smoke tube assembly of any one of claims 1 to 5 further comprising:

and a bent pipe (34) connected to the other end of the pipe body (31).

10. A household appliance, characterized in that it comprises:

a smoke tube assembly (3) according to any of the claims 1 to 9, said smoke tube assembly (3) being adapted to be extended outdoors.

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