CN217653878U - Tobacco pipe subassembly and domestic appliance - Google Patents

Abstract

The utility model provides a tobacco pipe subassembly and domestic appliance, the tobacco pipe subassembly includes: 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 effect of discharging fume.

Description

Tobacco pipe subassembly and domestic appliance

Technical Field

The utility model relates to the technical field of household appliances, concretely relates to tobacco pipe subassembly and household appliances.

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 good conditions.

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 flue gas in the smoke exhaust pipe is axial and the smoke exhaust holes are arranged in the radial direction, the smoke exhaust resistance is large, the smoke exhaust is not smooth, and the smoke exhaust effect is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the radial defect that leads to the resistance of discharging fume big that sets up of exhaust hole among the prior art to a tobacco pipe subassembly of the non-radial setting of exhaust hole is provided.

In order to solve the technical problem, the utility model provides a pair of tobacco pipe subassembly, include: 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 and 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 sequentially formed in a mode of surrounding the inner cavity, 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, the utility model discloses another technical problem that solves lies in overcoming the radial defect that leads to the resistance of discharging fume big that sets up of discharge fume hole to a domestic appliance of discharge fume hole non-radial setting is provided.

In order to solve the technical problem, the utility model provides a pair of household appliance, include: the smoke tube assembly of any one of the preceding claims, wherein the smoke tube assembly is adapted to extend outdoors.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a tobacco pipe subassembly sets up the retaining ring through the tip at the pipe body for this internal flue gas along the axial emission of admission pipe can direct discharge pipe body in the axial through first through-hole, and it is smooth and easy to discharge fume, has guaranteed the smoke exhaust effect.

2. The utility model provides a tobacco pipe subassembly is greater than the internal diameter of pipe body through the internal diameter of convex closure for a plurality of first through-holes that set up on the fender circle can be located the lumen in the outside of axial extending direction, and the inner wall of convex closure can play the effect to the direction of flue gas, more is favorable to flue gas discharge tobacco pipe subassembly.

3. The utility model provides a tobacco pipe subassembly forms the convex closure through the convex shell, simple structure.

4. The utility model provides a tobacco pipe subassembly, through holding the retaining ring setting at the second of great internal diameter, the retaining ring also has the effect of direction to the flue gas, more is favorable to the discharge of flue gas.

5. The utility model provides a tobacco pipe subassembly through setting up conical convex shell, has simplified the structure.

6. The utility model provides a tobacco pipe subassembly through the inboard indent of the inner chamber of retaining ring orientation convex closure, has played the effect of gathering together the flue gas, more is favorable to the flue gas to discharge the tobacco pipe subassembly from first through-hole.

7. The utility model provides a tobacco pipe subassembly through the protruding package of end cover shutoff, prevents in foreign matter and a large amount of rainwater entering tobacco pipe subassembly.

8. The utility model provides a tobacco pipe subassembly sets up the other end at the pipe body through the return bend, easy to assemble.

9. The utility model provides a tobacco pipe subassembly, through the biggest one end of footpath including the setting of second through-hole, because the inner wall of convex shell is crescent to the one end that is close to the end cover along the axial for in the convex shell, the position that is close to the one end of end cover is less than the interior bottom of lumen, and the rainwater can gather in the position of handing over the end, thereby can not flow backwards, and is rain-proof effectual.

10. The utility model provides a household appliance, owing to including foretell tobacco pipe subassembly, consequently have an arbitrary advantage of above-mentioned tobacco pipe subassembly, no longer give unnecessary details here.

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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic perspective view of a smoke exhaust pipe according to an embodiment of 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 plug 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 schematic 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 schematic 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 schematic side view of a portion of a smoke tube assembly according to an embodiment of the present invention;

fig. 11 is a front view schematically illustrating 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. 11;

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 vent; 212-a connecting strap; 213-bottom of 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 retaining ring;

3241-lead-out section;

l-the central axis of the tube body;

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

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can 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, and the discharge direction of the flue gas in the smoke discharge pipe 210 is changed from axial to radial, so that the smoke discharge resistance is large and the smoke discharge is not smooth. 2. Continuing to combine with fig. 2, a connecting band 212 is arranged between adjacent smoke discharge holes 211, when smoke discharge pipe 2 is installed, if straight pipe 210 is installed horizontally, and bottom 213 of straight pipe is just located on connecting band 212, then when it rains, D, B represents the falling direction of rainwater, rainwater falls into smoke discharge holes 211 through D, B, and then rainwater will enter inside of water heater 1 along 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 discharge direction of the flue gas, the inner diameter of the convex shell 322 is gradually enlarged, which is more beneficial to discharge of 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: and an end cover 33, wherein 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 circumferentially arranged 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, wherein the elbow pipe 34 is connected with 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 pipe assemblies, the pipe assembly being adapted to extend outdoors.

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

when it rains, the angle between the rainwater and the radial direction Z of the pipe body 31 is an acute angle or an obtuse angle, i.e., E or M direction, E, M indicates the direction in which the rainwater falls. 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.

The utility model provides a tobacco pipe subassembly is when discharging fume, as shown in fig. 11 and fig. 12, the flue gas that produces during the burning is according to J to discharging, and the flue gas reachs convex closure 32 through return bend 34 admission pipe body 31 from the water heater promptly, discharges fume from first through-hole 321 of convex closure 32 and second through-hole 323 and arranges the outside of tobacco pipe subassembly again, and first through-hole 321 is main discharge hole, and second through-hole 323 discharges fume less, and the primary function of second through-hole 323 is the remaining rainwater that flows into the tobacco 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, so that carbon monoxide generated during combustion is effectively prevented from being accumulated and diffused in the combustion chamber, and the use safety is improved.

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 can be made without departing from 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 inner cavity is enclosed by the convex shell (322);

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 near the first through hole (321) along a 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. The smoke tube assembly of any one of claims 1 to 5, wherein said retainer ring (324) comprises a lead-out portion (3241), said lead-out portion (3241) being disposed outwardly facing a smoke evacuation direction, said first through hole (321) being provided in said lead-out 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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