CN210569229U

CN210569229U - Telescopic exhaust pipe and gas water heater

Info

Publication number: CN210569229U
Application number: CN201920742138.7U
Authority: CN
Inventors: 闵仲康; 邓飞忠; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-05-19
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a telescopic exhaust pipe, which comprises a smoke exhaust pipe and an adjusting pipe telescopically connected with the smoke exhaust pipe, wherein one end of the smoke exhaust pipe is provided with a first buckling structure, and the other end is circumferentially provided with a plurality of smoke exhaust holes; one end of the adjusting pipe is provided with a first clamping structure, and the first clamping structure can be clamped with the first buckling structure or the smoke exhaust hole in a matched mode. The utility model discloses a scalable blast pipe, it can stretch out length adjustment according to the demand, and the suitability is strong, and the commonality is wide to the assembly is simple and efficient, connects reliable and stable, is favorable to reducing installation cost. Also discloses a gas water heater with the telescopic exhaust pipe.

Description

Telescopic exhaust pipe and gas water heater

Technical Field

The utility model relates to a gas heater technical field especially relates to a scalable blast pipe and gas heater.

Background

At present, manufacturers of household gas water heaters released in the market are generally only provided with an exhaust smoke pipe with the length less than 500mm and a matched bent pipe, so that waste gas generated by combustion is conveniently discharged outdoors in normal use. Along with the refined matching of kitchen appliances and the improvement of indoor environmental conditions, many customers need to install the water heater in the place close to the water source, far away from the heat source and the indoor ventilation window, at the moment, the installation length of the smoke tube is generally insufficient, the actual use conditions cannot be met, only a few extra smoke tubes can be additionally arranged or the smoke tube is connected to the outdoor space through the switching of the aluminum foil tube, and the installation workload and the cost are objectively increased.

In addition, if an aluminum foil pipe is selected, the aluminum foil pipe is easy to corrode and deform under stress due to the discharged high-temperature smoke, and a series of faults such as unsmooth smoke discharge, carbon deposit and the like can be caused after long-term use.

Disclosure of Invention

The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model provides a scalable blast pipe, its adjustable blast pipe's length, the suitability is strong, and the commonality is wide to the assembly is simple swift, connects reliable and stable.

The utility model also provides a gas heater of having this scalable blast pipe.

According to the telescopic exhaust pipe provided by the above, the telescopic exhaust pipe is realized by the following technical scheme:

a telescopic exhaust pipe comprises a smoke exhaust pipe and an adjusting pipe telescopically connected with the smoke exhaust pipe, wherein one end of the smoke exhaust pipe is provided with a first buckling structure, and the other end of the smoke exhaust pipe is circumferentially provided with a plurality of smoke exhaust holes; one end of the adjusting pipe is provided with a first clamping structure, and the first clamping structure can be in first clamping connection with the first buckling structure or the smoke exhaust hole.

In some embodiments, the inner diameter of the smoke exhaust pipe is larger than the outer diameter of the adjusting pipe, and one end of the adjusting pipe close to the first clamping structure is telescopically inserted into the smoke exhaust pipe.

In some embodiments, an end of the adjusting pipe extending into the smoke exhaust pipe is provided with a concave notch, and the first clamping structure comprises a first connecting piece arranged in the notch and at least one protrusion arranged on the outer surface of the first connecting piece in a protruding manner; the first buckling structure is at least one clamping groove arranged on the peripheral wall of the smoke exhaust pipe or a first necking part arranged at the end part of the smoke exhaust pipe, and the clamping groove or the first necking part can be matched and clamped with the protrusion.

In some embodiments, the first connecting piece is integrally formed with the adjustment tube, and the protrusion is stamped and formed outwardly from the first connecting piece.

In some embodiments, the smoke exhaust device further comprises a connecting pipe, one end of the connecting pipe is telescopically inserted into one end of the adjusting pipe, which is far away from the first clamping structure, and the other end of the connecting pipe can be opened towards a direction which is far away from the smoke exhaust hole or the first clamping structure.

In some embodiments, one end of the connecting pipe extending into the adjusting pipe is provided with a second clamping structure, one end of the adjusting pipe far away from the first clamping structure is provided with a second buckling structure, and the second buckling structure can be clamped with the second clamping structure in a matched mode.

In some embodiments, the end of the connecting pipe extending into the adjusting pipe is provided with a concave notch, and the second clamping structure comprises a second connecting piece arranged in the notch and at least one convex rib arranged on the outer surface of the second connecting piece in a protruding manner; the second buckling structure is at least one clamping hole arranged on the peripheral wall of the adjusting pipe or a second necking part arranged at the end part of the connecting pipe. Preferably, the second connecting piece and the connecting pipe are integrally formed, and the convex rib is formed by outwards stamping the second connecting piece.

In some embodiments, the connecting tube is provided with a flared portion at an end remote from the second clamping structure.

According to the gas heater who provides above-mentioned, it realizes through following technical scheme:

the utility model provides a gas water heater, includes water heater body and exhaust elbow be equipped with the outlet flue on the water heater body, wherein still include as above the blast pipe, the blast pipe passes through the exhaust elbow with the outlet flue is connected.

Compared with the prior art, the utility model discloses an at least including following beneficial effect:

1. the utility model has the advantages that the adjusting pipe is telescopically connected with the smoke exhaust pipe, so that the exhaust pipe can be extended and adjusted, the applicability is strong, the universality is wide, and the installation cost is favorably reduced;

2. the utility model discloses a scalable blast pipe, its assembly is simple and efficient, connects reliable and stable.

Drawings

Fig. 1 is a schematic structural view of a retractable exhaust pipe in embodiment 1 of the present invention, in which the exhaust pipe is in a closed state;

fig. 2 is a schematic structural view of the retractable exhaust pipe in embodiment 1 of the present invention, in which the exhaust pipe is in a fully opened state;

fig. 3 is a partially enlarged view of a portion a in fig. 2;

FIG. 4 is a schematic structural view of a smoke exhaust pipe in embodiment 1 of the present invention;

FIG. 5 is a schematic structural view of an adjusting tube in embodiment 1 of the present invention

Fig. 6 is a partially enlarged view of a portion B in fig. 5;

fig. 7 is a schematic structural view of a connecting pipe in embodiment 1 of the present invention;

fig. 8 is a partially enlarged view of portion C of fig. 7;

fig. 9 is a schematic structural view of a gas water heater according to embodiment 2 of the present invention.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.

Example 1

As shown in fig. 1-3, in the telescopic exhaust pipe of the present embodiment, the exhaust pipe 100 includes a smoke exhaust pipe 1 and an adjusting pipe 2 telescopically connected to the smoke exhaust pipe 1, one end of the smoke exhaust pipe 1 is provided with a first fastening structure 11, and the other end is circumferentially provided with a plurality of smoke exhaust holes 12 for improving the smoothness of smoke exhaust; one end of the adjusting pipe 2 is provided with a first clamping structure 21, and the first clamping structure 21 can be matched and clamped with the first buckling structure 11 or the smoke exhaust hole 12. The telescopic exhaust pipe of the embodiment has the advantages that the adjusting pipe 2 is telescopically connected with the smoke exhaust pipe 1, so that the exhaust pipe 100 can be adjusted in extension length, and the telescopic exhaust pipe is high in applicability and wide in universality; meanwhile, the first clamping structure 21 is matched with the first buckling structure 11 or the smoke exhaust hole 12, so that the adjusting pipe 2 and the smoke exhaust pipe 1 can be assembled simply and quickly, and the adjusting pipe 2 and the smoke exhaust pipe 1 can be stably and reliably connected when the exhaust pipe 100 is completely opened or closed.

Preferably, the outer diameter of the adjusting pipe 2 is smaller than the inner diameter of the smoke exhaust pipe 1, and one end of the adjusting pipe 2 close to the first clamping structure 21 is telescopically inserted into the smoke exhaust pipe 1. Preferably, the adjusting pipe 2 and the smoke exhaust pipe 1 are made of stainless steel to prevent the exhaust pipe 100 from being corroded or deformed by high-temperature smoke, thereby ensuring the smoothness of smoke exhaust.

As shown in fig. 4, the first fastening structure 11 is at least one fastening groove 111 disposed on the peripheral wall of the smoke exhaust pipe 1 or a first necking portion disposed at the end of the smoke exhaust pipe 1, and the fastening groove 111 or the first necking portion can be fastened to the first fastening structure 21 disposed on the adjusting pipe 2. In this embodiment, the first engaging structure 11 is at least one engaging groove 111. The smoke exhaust pipe 1 is circumferentially provided with a plurality of smoke exhaust holes 12 at one end far away from the first buckling structure 11 so as to improve the smoothness and stability of the smoke exhaust channel.

As shown in fig. 5-6, specifically, the adjusting pipe 2 is provided with an inwardly concave notch 20 at one end extending into the smoke exhaust pipe 1, the first clamping structure 21 includes a first connecting piece 211 arranged in the notch 20 and at least one protrusion 212 convexly arranged on the outer surface of the first connecting piece 211, so that the first connecting piece 211 has a certain elasticity or deformability, and under the action of external force, the free end of the first connecting piece 211 can deform towards the inside of the adjusting pipe 2, so that the adjusting pipe 2 and the smoke exhaust pipe 1 can be folded more conveniently and rapidly, and the adjusting pipe 2 and the smoke exhaust pipe 1 can be clamped in a matched manner when being opened. Preferably, the first connecting piece 211 is integrally formed with the adjusting tube 2, and the protrusion 212 is formed by stamping the first connecting piece 211 outwards, so that the assembling process of the adjusting tube 2 can be reduced, the manufacturing efficiency of the adjusting tube 2 can be improved, and the purpose of reducing the cost can be achieved.

Preferably, the outer surface of the first connecting piece 211 is provided with two protrusions 212 at intervals in a protruding manner, the first buckling structure 11 is provided with two clamping grooves 111, and the positions of the two clamping grooves 111 correspond to the positions of the two protrusions 212, so that the two protrusions 212 are matched with the two clamping grooves 211, and the firmness of connection between the adjusting pipe 2 and the smoke exhaust pipe 1 is further improved.

In this embodiment, when the exhaust pipe 100 is fully opened, the two protrusions 212 are respectively engaged with the two engaging grooves 111 to fasten the adjusting pipe 2 to the smoke exhaust pipe 1, so as to ensure stable and reliable connection between the adjusting pipe 2 and the smoke exhaust pipe 1. When the adjusting pipe 2 and the smoke exhaust pipe 1 need to be folded, only the first connecting piece 211 needs to be pressed moderately, the adjusting pipe 2 or the smoke exhaust pipe 1 is rotated, so that the protrusions 212 are separated from the clamping grooves 111, the folding mode is simple, the operation is easy, and when the adjusting pipe 2 is folded to a certain degree, the two protrusions 212 can be matched and clamped with the smoke exhaust holes 12 to prevent the adjusting pipe 2 from sliding out of the smoke exhaust pipe 1.

As shown in fig. 2 and fig. 7-8, further, the present embodiment further includes a connecting tube 3, one end of the connecting tube 3 is telescopically inserted into an end of the adjusting tube 2 away from the first engaging structure 21, and the other end can be opened in a direction away from the smoke discharge hole 12 or the first engaging structure 21. Specifically, the one end of connecting pipe 3 in stretching into adjusting pipe 2 is equipped with second joint structure 31, and adjusting pipe 2 is equipped with second lock structure 22 in the one end of keeping away from first joint structure 21, and second lock structure 22 can cooperate the joint with second joint structure 31. Thus, the provision of the connection pipe 3 facilitates further increasing the opening length of the exhaust pipe 100, thereby improving the applicability of the exhaust pipe 100; when the connecting pipe 3 is opened to the direction far away from the first clamping structure 21, the second clamping structure 31 is matched with the second buckling structure 22, so that the connecting pipe 3 and the adjusting pipe 2 are quickly and stably connected.

More specifically, the second engaging structure 22 is at least one engaging hole 221 provided on the peripheral wall of the adjusting tube 2 or a second necking portion provided at the end of the adjusting tube 2. The connecting pipe 3 is provided with an inward notch 30 at one end extending into the adjusting pipe 2, the second clamping structure 31 comprises a second connecting piece 311 arranged in the notch 30 and at least one convex rib 312 convexly arranged on the outer surface of the second connecting piece 311, so that the free end of the second connecting piece 311 has certain elasticity or deformability, the second connecting piece 311 is pressed moderately, the convex rib 312 is separated from the limiting position of the clamping hole 211, and the connecting pipe 3 is easy to fold along the direction of the first clamping structure 21.

Preferably, the second connecting piece 311 is integrally formed with the connecting tube 3. Two parallel ribs 312 are arranged on the outer surface of the second connecting piece 311, and the two ribs 312 are integrally punched outwards from the second connecting piece 311.

In addition, connecting pipe 3 is equipped with flaring portion 32 in the one end of keeping away from second joint structure 31 or incision 30, and the exhaust elbow cooperation that the connecting pipe 3 passes through flaring portion 32 and water heater of being convenient for is connected on the one hand, and on the other hand can carry on spacingly to connecting pipe 3, avoids connecting pipe 3 to fold totally to adjusting pipe 2 and cause and open the difficulty. In this embodiment, a plurality of bumps that are evenly arranged may be further disposed in the circumferential direction of the flared portion 32 to enhance the limiting effect.

In addition, in order to avoid the phenomenon that the connecting pipe 3 folded into the adjusting pipe 2 slides out, a limiting protrusion (not shown in the figure) close to the flared part 32 can be arranged on the connecting pipe 3, and the limiting protrusion can be matched and clamped with the clamping hole 221 so as to fix the connecting pipe 3 in the adjusting pipe 2 when folded.

Specifically, the telescopic exhaust pipe of this embodiment, exhaust pipe 1 are equipped with two sets of first lock structures 11 in the one end circumference that is close to adjusting pipe 2. The adjusting pipe 2 is provided with three groups of symmetrical second buckling structures 22 in the circumferential direction close to one end of the connecting pipe 3, the other end of the adjusting pipe is provided with two groups of first clamping structures 21 matched with the first buckling structures 11, and the first clamping structures 21 and the second buckling structures 22 are parallel to each other and are arranged in a staggered mode. Three groups of second clamping structures 31 corresponding to the second buckling structures 22 are circumferentially arranged at one end of the connecting pipe 3 extending into the adjusting pipe 2. From this the pipe 1 of discharging fume can be dismantled through two sets of buckle structures with the control tube 2 and be connected together, and control tube 2 with the connecting pipe 3 accessible three sets of buckle structures can dismantle and be connected together.

Further, in order to prevent the smoke discharge pipe 1, the adjusting pipe 2 and the connecting pipe 3 from leaking smoke at the joints therebetween, aluminum foil tapes or other sealing members may be used to seal the joints therebetween.

Example 2

As shown in fig. 9, the gas water heater of the present embodiment includes a water heater body 200 and an exhaust elbow 300, a smoke outlet is provided on the water heater body 200, and further includes the telescopic exhaust pipe 100 as described in embodiment 1, the connection pipe 3 of the exhaust pipe 100 is connected to the smoke outlet through the exhaust elbow 300, the assembly of the exhaust pipe 100 is simple and fast, the extension length of the exhaust pipe 100 can be adjusted according to actual conditions, and the connection is stable and reliable, which is beneficial to reducing the installation cost. Since the structure of the retractable exhaust pipe has been described in detail, specifically and clearly in embodiment 1, the detailed description is omitted here for brevity.

The mounting principle of the exhaust pipe 100 is explained below with reference to fig. 9:

when the distance between the exhaust elbow 300 and the wall is far, the connecting pipe 3 and the adjusting pipe 2 can be sequentially stretched towards the direction far away from the smoke discharge hole 12, at the moment, the exhaust pipe 100 is completely opened to be longest in length, during installation, the connecting pipe 3 is connected with the exhaust elbow 300 through the flaring part 32, and one end of the smoke discharge pipe 1 close to the smoke discharge hole 12 extends out of the wall, so that smoke can be conveniently discharged outdoors.

When the distance between the exhaust elbow 300 and the wall is short, the connecting pipe 3 or the adjusting pipe 2 only needs to be stretched towards the direction far away from the smoke discharge hole 12 and connected with the exhaust elbow 300, and one end of the smoke discharge pipe 1 close to the smoke discharge hole 12 extends out of the wall. If necessary, the connection tube 3 or the adjustment tube 2 can be taken out.

When the distance between the exhaust elbow 300 and the wall is very short, the adjusting pipe 2 and the connecting pipe 3 are kept in a folded state and only need to be connected with the exhaust elbow 300 through the smoke exhaust pipe 1, and at the moment, the length of the exhaust pipe 100 is shortest. Except that, the adjusting pipe 2 and the connecting pipe 3 can be simultaneously taken out by pressing the first clamping structure 21 of the adjusting pipe 2.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. A telescopic exhaust pipe is characterized by comprising a smoke exhaust pipe (1) and an adjusting pipe (2) telescopically connected with the smoke exhaust pipe (1), wherein one end of the smoke exhaust pipe (1) is provided with a first buckling structure (11), and the other end of the smoke exhaust pipe is circumferentially provided with a plurality of smoke exhaust holes (12); one end of the adjusting pipe (2) is provided with a first clamping structure (21), and the first clamping structure (21) can be clamped with the first buckling structure (11) or the smoke exhaust hole (12) in a matched mode.

2. The telescopic exhaust pipe according to claim 1, wherein the inner diameter of the smoke exhaust pipe (1) is larger than the outer diameter of the adjusting pipe (2), and one end of the adjusting pipe (2) close to the first clamping structure (21) is telescopically inserted into the smoke exhaust pipe (1).

3. The retractable exhaust pipe according to claim 2, wherein the adjusting pipe (2) is provided with an inward concave notch (20) at one end extending into the smoke exhaust pipe (1), and the first clamping structure (21) comprises a first connecting piece (211) arranged in the notch (20) and at least one protrusion (212) convexly arranged on the outer surface of the first connecting piece (211); the first buckling structure (11) is arranged on at least one clamping groove (111) on the peripheral wall of the smoke exhaust pipe (1) or is arranged on a first necking part at the end part of the smoke exhaust pipe (1), and the clamping groove (111) or the first necking part can be matched and clamped with the protrusion (212).

4. A retractable exhaust pipe according to claim 3, characterized in that the first connecting piece (211) is integrally formed with the adjusting pipe (2), and the protrusion (212) is formed by stamping the first connecting piece (211) outwards.

5. A telescopic exhaust pipe according to any one of claims 1 to 4, further comprising a connecting pipe (3), wherein one end of the connecting pipe (3) is telescopically inserted into one end of the adjusting pipe (2) far away from the first clamping structure (21), and the other end of the connecting pipe can be opened in a direction away from the smoke discharge hole (12) or the first clamping structure (21).

6. The telescopic exhaust pipe according to claim 5, wherein a second clamping structure (31) is arranged at one end of the connecting pipe (3) extending into the adjusting pipe (2), a second buckling structure (22) is arranged at one end of the adjusting pipe (2) far away from the first clamping structure (21), and the second buckling structure (22) can be clamped with the second clamping structure (31) in a matched manner.

7. The retractable exhaust pipe according to claim 6, characterized in that the connecting pipe (3) is provided with an inward notch (30) at one end extending into the adjusting pipe (2), and the second clamping structure (31) comprises a second connecting piece (311) arranged in the notch (30) and at least one convex rib (312) convexly arranged on the outer surface of the second connecting piece (311); the second buckling structure (22) is at least one clamping hole (221) arranged on the peripheral wall of the adjusting pipe (2) or a second necking part arranged at the end part of the connecting pipe (3).

8. The retractable exhaust duct according to claim 7, characterized in that the second connecting piece (311) is integrally formed with the connecting pipe (3), and the rib (312) is formed by punching the second connecting piece (311) outward.

9. A telescopic exhaust pipe according to claim 6, characterized in that the connecting pipe (3) is provided with a flared portion (32) at an end remote from the second snap-fit structure (31).

10. A gas water heater comprising a water heater body (200) and an exhaust elbow (300), a smoke outlet being provided on said water heater body (200), characterized in that it further comprises an exhaust pipe (100) according to claims 1-9, said exhaust pipe (100) being connected to said smoke outlet through said exhaust elbow (300).