CN212006240U

CN212006240U - Chimney seat of gas water heater and gas water heater system

Info

Publication number: CN212006240U
Application number: CN201921674124.2U
Authority: CN
Inventors: 吴录文; 黄茂林
Original assignee: Midea Group Co Ltd; Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-11-24
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a gas heater discloses a gas heater's chimney seat, including chimney seat body (1) that has water heater fixed knot structure (1c), it includes outer tube (1a) and fixes inner tube (1b) in this outer tube (1a), wherein the length of inner tube (1b) is greater than outer tube (1a), thereby the upper segment protrusion in of inner tube (1b) the last port of outer tube (1a), the chimney seat is still including being used for cramping fixedly to outer tube (1a) upper end is in order to wrap up the part of cramping of inner tube (1b), should cramp the part and be detachable components of a whole that can function independently structure. Furthermore, the utility model discloses still disclose a gas heater system. The utility model discloses a chimney seat adopts double-deck split type structural design, can adjust the elasticity of chimney seat during the installation for the installation of the coaxial tobacco pipe of gas heater is dismantled simply conveniently, has improved gas heater's whole aesthetic property simultaneously.

Description

Chimney seat of gas water heater and gas water heater system

Technical Field

The utility model relates to a gas heater specifically, relates to a chimney seat of burning hot water heater. Furthermore, the utility model discloses still relate to a gas heater system.

Background

With the widespread connection of gas pipelines to households, gas water heaters are becoming more and more common in places such as households, hotels, restaurants and the like.

The coaxial tobacco pipe of gas heater on the market is connected with gas heater through the chimney seat, and current chimney seat is mostly stainless steel single-layer construction, and the outer lane of tobacco pipe is leaned on the chimney seat to be fixed, and the inner circle then directly is connected with gas heater's tobacco pipe. However, in the actual installation process of the gas water heater, the installation of the coaxial smoke tube requires higher installation accuracy, and the installation error cannot be adjusted by the structural design, so that the installation and the disassembly of the coaxial smoke tube are difficult. In addition, because the chimney seat belongs to accessories, the color of the chimney seat is often not matched with the color of the whole gas water heater, so that the color of the chimney seat is not coordinated with the color of the whole gas water heater after the chimney seat is installed, and the integral attractiveness is affected.

In addition, the chinese utility model patent that the applicant previously applied for was published as 30.1.2018 and published as CN206944494U discloses a chimney seat and a gas water heater, the chimney seat adopts a double-layer structure design, but in the actual installation process of the gas water heater, the installation error of the coaxial smoke tube still cannot be adjusted, and because of the double-layer structure, the butt joint of the inner tube and the coaxial smoke tube is more difficult, and the installation and disassembly problems of the coaxial smoke tube are very prominent.

In view of the above-mentioned shortcomings of the prior art, there is a need for a new cartridge holder.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a gas heater's chimney seat is provided, it can improve the problem of the coaxial tobacco pipe installation of gas heater dismantlement difficulty effectively to can improve the complete machine aesthetic property.

The utility model discloses the technical problem who further solves provides a gas water heater system, and this gas water heater system's chimney seat can be convenient for the installation of coaxial tobacco pipe, and the aesthetic property is good.

In order to solve the technical problem, the utility model provides a gas heater's chimney seat, including the chimney seat body, this chimney seat body includes the outer tube and fixes the inner tube in this outer tube, the chimney seat is still including being used for fixing the outer tube upper end is in order to wrap the part that cramps of inner tube, should cramp the part and divide the body structure for detachable.

As a preferred structure, the tightening means may include a first tightening piece having connection flanges formed at both ends thereof and a second tightening piece having mating flanges formed at both ends thereof, the connection flanges and the mating flanges having mounting structures for mounting fasteners formed thereon.

In particular, the tightening part further comprises a sealing gasket for clamping between the connecting flanging and the mating flanging.

More specifically, the mounting structure for mounting the threaded fastener includes a through hole formed on one of the connecting flange and the mating flange, and an internally threaded hole formed on the other.

Preferably, an outer diameter of an upper end portion of the outer tube is smaller than an outer diameter of a main body portion of the outer tube to form a stepped shaft shape, an outer diameter of the main body portion of the tightening member is the same as an outer diameter of the main body portion of the outer tube in a state where the tightening member is tightened and fixed to the upper end portion of the outer tube, and an upper end of the tightening member is flush with an upper end of the inner tube.

Preferably, the cartridge holder includes a water heater fixing structure which is an outwardly turned flange formed at a lower end of the outer sleeve, and a fastener mounting hole is formed on the outwardly turned flange.

Specifically, the chimney seat body is a cast integral piece, and the inner pipe and the outer sleeve are radially spaced from each other and have a connecting rib therebetween.

Preferably, the cigarette holder body is further provided with a first detection port and a second detection port, the first detection port penetrates through the tube wall of the outer sleeve and is communicated with the tube cavity of the outer sleeve, the second detection port penetrates through the tube walls of the outer sleeve and the inner tube and is communicated with the tube cavity of the inner tube, and the first detection port and the second detection port are correspondingly provided with a first sealing screw and a second sealing screw which are detachable.

Preferably, the outer sleeve is an air inlet pipe section, and the inner pipe is an air outlet pipe section.

Furthermore, the utility model provides a gas heater system, including gas heater and chimney seat, wherein, the chimney seat is above-mentioned arbitrary technical scheme's chimney seat, the chimney seat is fixed through the water heater fixed knot structure on this chimney seat on the gas heater, just the lower extreme of inner tube with gas heater's gas vent leakproofness butt joint, the lower extreme of outer tube with gas heater's air inlet leakproofness butt joint.

Through the technical scheme, the utility model discloses the inner tube and the outer tube of chimney seat adopt the structural design of pertinence, and the part of cramping is fixed to the outer tube upper end can wrap up the inner tube because the utility model discloses a chimney seat actually adopts the part of cramping the part as the outer tube, behind the inner tube installation, through the upper end of cramping the part of cramping with the components of a whole that can function independently structure to the outer tube, cramping the part and adopting components of a whole that can function independently structure, it can dismantle and adjust the tightness, therefore even there is installation error in chimney seat and the coaxial tobacco pipe installation, through the fastening degree of cramping the part, it can hold installation error effectively for the installation of coaxial tobacco pipe is dismantled more conveniently easily, has reduced the installation degree of difficulty, has avoided because the gas leakage hidden danger that the installation is not in place.

Furthermore, because the utility model discloses a cramp the part and be independent of the main part of chimney seat, in the use, can be according to the colour of gas heater complete machine, to the coating that cramp the same or the phase-match colour of part spraying, this can improve the home environment, promotes the whole aesthetic property of gas heater system.

Further advantages of the invention, as well as the technical effects of preferred embodiments, will be further explained in the following detailed description.

Drawings

Fig. 1 is a schematic view of the exploded structure of the chimney seat of the gas water heater of the present invention.

Fig. 2 is a schematic structural view of the cartridge holder shown in fig. 1.

Description of the reference numerals

1 outer sleeve of chimney seat body 1a

1b first tightening piece of inner tube 2

2a connection flanging 3 sealing gasket

4 first detection port 5 first sealing screw

6 second detection port 7 second sealing screw

8 connecting rib 9 second clamping piece

9a paired flanging 10 fastening screw

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

It should be noted that, in the following description of the technical solution of the present invention, the terms "upper section", "upper port", and the like are defined by using the chimney seat itself as the technical reference, wherein the end of the chimney seat used for connecting with the gas water heater is the lower end, and the end opposite to the lower end is the upper end. However, the "upper" and "lower" do not mean the upper and lower directions that the chimney seat must have when being installed on the gas water heater, and in the actual installation situation, because the setting positions of the gas water heater air inlet and the air vent are different, the possibility exists in the vertical installation, the inclined installation and the horizontal installation of the chimney seat, and the limitation of the upper and lower directions of the chimney seat itself does not limit the protection range of the gas water heater system.

Referring to fig. 1 and 2, the chimney seat of the gas water heater according to the basic embodiment of the present invention includes a chimney seat body 1 having a water heater fixing structure 1c, the chimney seat body 1 includes an outer sleeve 1a and an inner tube 1b fixed in the outer sleeve 1a, wherein the chimney seat further includes a tightening part for tightening the upper end of the outer sleeve 1a to wrap the inner tube 1b, and the tightening part is a detachable split structure.

On the basis of the above basic technical scheme of the chimney seat, the structure of the chimney seat is adapted to the air inlet and exhaust structure of a common gas water heater, preferably, in the chimney seat of the utility model, the outer sleeve 1a is an air inlet pipe section, and the inner pipe 1b is an exhaust pipe section. The double-layer design of the sleeve has the advantages that the hot-gas water heater adopts gas to heat cold water, air inlet and air exhaust are needed, the air exhaust pipe section is arranged on the inner layer, and exhausted waste gas can heat the air inlet in the outer sleeve 1b through heat transfer, so that heat loss is reduced, heat utilization rate is improved, and gas consumption is reduced.

In order to facilitate understanding of the above-mentioned basic technical solution of the present invention, the present invention further describes the gas water heater system with the above-mentioned chimney base, which can be described relatively specifically with respect to the installation structure of the chimney base and the coaxial smoke tube.

Specifically, the utility model discloses hot gas water heater system includes gas heater and the utility model discloses each detailed embodiment's chimney seat, under the mounted state, the chimney seat is fixed on gas heater through the water heater fixed knot structure 1c on it, and inner tube 1 b's lower extreme and gas heater's gas vent leakproofness butt joint, outer tube 1 a's lower extreme and gas heater's air inlet leakproofness butt joint (can make inner tube 1 b's length be greater than outer tube 1a generally for inner tube 1 b's upper segment protrusion is in outer tube 1 a's last port, the installation of being convenient for). On the basis, the inner pipe of the coaxial smoke pipe is connected with the inner pipe 1b of the smoke pipe seat in a sealing mode to achieve the exhaust function, and the outer pipe of the coaxial smoke pipe is connected with the outer sleeve 1a in a sealing mode through the tightening part to achieve the air inlet function of the gas water heater. In the installation of chimney seat and coaxial tobacco pipe, as long as the inner tube installation targets in place, even because there is certain installation error because factors such as installation environment, because the tightness of the part of cramping as the intermediate junction spare can be adjusted, the outer tube of coaxial tobacco pipe and the outer tube 1a of chimney seat are connected through the part of cramping, can enough hold installation error, can realize effectual sealing again through tightening up of the part of cramping simultaneously.

Therefore, through the chimney seat of the above basic technical solution of the present invention, the chimney seat of the present invention adopts a double-layer structure, wherein the inner tube 1b and the outer sleeve 1a can adopt a targeted structural design, for example, the length of the inner tube 1b can be made larger than the length of the outer sleeve 1a, so that the inner tube 1b protrudes out of the upper port of the outer sleeve 1a, during the installation process, because the upper end of the inner tube 1b is exposed, the inner tube 1b can be ensured to be conveniently and easily butt-jointed and installed in place with the inner tube of the coaxial smoke tube, meanwhile, because the chimney seat adopts the tightening part to compensate the length of the outer sleeve 1a, the tightening part is actually used as a part of the outer sleeve 1a, the inner tube is formed and wrapped by the tightening part, after the inner tube is installed in place, the tightening part of the split structure is tightened to the upper end of the outer sleeve 1a, the tightening, can dismantle and can adjust the fastening degree, even there is the installation error in chimney seat and the coaxial tobacco pipe installation, fastening degree through cramping the part can hold the installation error effectively for the installation of coaxial tobacco pipe is dismantled more conveniently easily, has reduced the installation degree of difficulty, has avoided because the gas of installation not in place leaks the hidden danger.

The utility model discloses a chimney seat can be fixed to gas heater through various specific water heater fixed knot constructs 1c on, typically, see fig. 1, water heater fixed knot constructs 1c and can be for forming the flange reason that turns up at outer sleeve pipe 1a lower extreme, should turn up to be formed with the fastener mounting hole on the flange reason, through setting up the chimney seat to gas heater on, can be fixed to gas heater with the chimney seat through the fastener mounting hole of flange reason upper end that turns up on, generally can adopt the bolt, can be formed with the internal thread hole on the gas heater, can centre gripping sealing gasket between flange reason and the gas heater turns up, in order to strengthen the leakproofness.

Further, in order to enhance the sealing performance of the chimney seat itself, the chimney seat body 1 may be an integral casting, such as an aluminum casting, the inner tube 1b and the outer sleeve 1a are integrally formed, a radial space is provided between the inner tube 1b and the outer sleeve 1a to facilitate the installation of the inner tube and the outer tube of the coaxial smoke tube, and the inner tube 1b and the outer sleeve 1a may be connected by an integrally cast connecting rib 8. This can be achieved relatively easily in the casting art, which reduces the number of parts that need to be sealed and reduces safety hazards.

As a preferred embodiment, as shown in fig. 1, the cartridge holder body 1 may further include a first detection port 4 and a second detection port 6, the first detection port 4 may penetrate through the tube wall of the outer tube 1a to communicate with the lumen of the outer tube 1a, the second detection port 6 may penetrate through the tube walls of the outer tube 1a and the inner tube 1b to communicate with the lumen of the inner tube 1b, and the first detection port 4 and the second detection port 6 may be provided with a first sealing screw 5 and a second sealing screw 7 which are detachable. Under this kind of preferred structural style, be equipped with first detection mouth 4 and second detection mouth 6 on the chimney seat body 1, first detection mouth 4 can be used for the gaseous detection of admitting air in outer tube 1a generally, and second detection mouth 6 can be used for the detection of the exhaust gas of emission in inner tube 1b, and this has greatly made things convenient for gas heater to advance exhaust system's maintenance work, and after the maintenance, can seal the detection mouth promptly through first sealing screw 5 and second sealing screw 7.

The utility model discloses a cramp part can adopt multiple components of a whole that can function independently structural style, for example three formula, four formula etc. preferably, see fig. 1 and fig. 2 and show, cramp part can include first cramp piece 2 and second cramp piece 9, and first cramp piece 2 is formed with and connects flanging 2a, and second cramp piece 9 is formed with pairs flanging 9a, connects flanging 2a and pairs and be formed with the mounting structure who is used for installing the fastener on flanging 9 a. Generally speaking, first cramp piece 2 and second cramp piece 9 can adopt the semicircular main part, are convenient for cramp fixedly, and certainly not being limited to this, first cramp piece 2 and second cramp piece 9 can adopt the main part of other shapes, can cramp fixedly all belong to the utility model discloses a protection scope.

Specifically, for example, the above-described mounting structure for mounting the threaded fastener may include a through hole formed on one of the connecting burring 2a and the mating burring 9a, and an internally threaded hole formed on the other. Thus, during installation, the lower ends of the first and second tightening

tabs

2 and 9 are positioned to the upper end portion of the outer sleeve 1a, the connecting burring 2a and the mating burring 9a are opposed to each other, and tightening is adjusted by the screw of the threaded fastener (e.g., the tightening screw 10), which effectively causes the tightening member to tighten the upper end portion of the outer sleeve 1a and to wrap the inner pipe 1 b. More preferably, in order to achieve sealing more effectively, the tightening part may further include a sealing gasket 3 for clamping between the connecting burring 2a and the counterpart burring 9 a. This kind of seal gasket 3 can adopt the elasticity seal gasket that has the flexibility to can have certain elasticity compression volume, as required, can also be through selecting for use the seal gasket 3 of suitable thickness, in order to adapt to installation error effectively, realize effectual sealed.

In order to facilitate the tightening of the tightening member while enhancing the aesthetic appearance in the mounted state of the bowl, it is preferable that the outer diameter of the upper end portion of the outer sleeve 1a be smaller than the outer diameter of the main body portion of the outer sleeve 1a so as to be formed in a stepped shaft shape, the outer diameter of the main body portion of the tightening member be the same as or substantially the same as the outer diameter of the main body portion of the outer sleeve 1a in the state where the tightening member is tightened to the upper end portion of the outer sleeve 1a, and the upper end of the tightening member be flush with the upper end of the inner tube 1 b. That is, the thickness of the tightening piece of the tightening member is the same as or substantially the same as the difference in radius of the stepped shaft, so that the entire tightening member does not protrude from the outer peripheral surface of the outer tube 1a in the installed tightening state, the overall appearance is improved, and the tightening state of the tightening member is made more firm and reliable. The upper end of the tightening part is flush or basically flush with the upper end of the inner pipe 1b, which is more convenient for the installation of the coaxial smoke pipe.

More preferably, the main body portion of the tightening part may be coated with a coating having the same color as or matching the color of the hot gas water heater as a whole. Therefore, the chimney base is arranged on the gas water heater, so that the color of the chimney base main body 1 can be coordinated with the color of the whole gas water heater, the attractiveness of a gas water heater system is improved, and the home environment is beautified.

As can be seen from the above description of the embodiments of the present invention, the cigarette holder of the present invention has a double-layer structure, wherein the inner tube 1b and the outer tube 1a have unique structural design, and the tightening member is fixed to the upper end of the outer tube 1a and then surrounds the inner tube 1b, such that the inner tube 1b protrudes from the upper end of the outer tube 1a, during the installation process, since the upper end of the inner tube 1b is exposed, the inner tube 1b can be easily and conveniently abutted against the inner tube of the coaxial smoke tube, and at the same time, the cigarette holder originally adopts the tightening member to compensate the length of the outer tube 1a, after the inner tube is installed in place, by tightening the tightening member of the split structure to the upper end of the outer tube 1a, the tightening member adopts the split structure, which can be disassembled and adjusted in tightness, even if there is an installation error in the installation process of the cigarette holder and the coaxial smoke tube, through the fastening degree of the hooping component, the installation error can be effectively accommodated, so that the coaxial smoke tube is more convenient and easier to install and disassemble, the installation difficulty is reduced, and the hidden danger of gas leakage caused by improper installation is avoided. Furthermore, the utility model discloses under the preferred embodiment, through the design of outer sheathed tube stepped shaft shape and the coating setting of cramping parts, can improve effectively the utility model discloses aesthetic property under the gas heater system whole installation state improves the house environment.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The chimney seat of the gas water heater is characterized by comprising a chimney seat body (1), wherein the chimney seat body (1) comprises an outer sleeve (1a) and an inner pipe (1b) fixed in the outer sleeve (1 a); the cartridge holder includes a tightening member fixed to an upper end portion of the outer tube (1a) to surround the inner tube (1b), the tightening member being a detachable separate structure.

2. The cartridge holder of a gas water heater according to claim 1, wherein the tightening member comprises a first tightening piece (2) and a second tightening piece (9), the first tightening piece (2) is formed with connecting flanges (2a) at both ends thereof, the second tightening piece (9) is formed with mating flanges (9a) at both ends thereof, and the connecting flanges (2a) and the mating flanges (9a) are formed with mounting structures for mounting fasteners.

3. The cartridge holder of a gas water heater according to claim 2, characterized in that said tightening member further comprises a sealing gasket (3) for clamping between said connecting flanging (2a) and said counter-flanging (9 a).

4. The bowl base of a gas water heater according to claim 2, characterized in that said mounting structure for mounting threaded fasteners comprises a through hole formed on one of said connecting flanging (2a) and mating flanging (9a), and an internally threaded hole formed on the other.

5. The bowl of a gas water heater according to any one of claims 1 to 4, wherein the outer diameter of the upper end portion of the outer jacket tube (1a) is smaller than the outer diameter of the main body portion of the outer jacket tube (1a) to form a stepped shaft shape, the outer diameter of the main body portion of the tightening member is the same as the outer diameter of the main body portion of the outer jacket tube (1a) in a state where the tightening member is tightened and fixed to the upper end portion of the outer jacket tube (1a), and the upper end of the tightening member is flush with the upper end of the inner tube (1 b).

6. The cartridge holder of a gas water heater according to any one of claims 1 to 4, characterized in that the cartridge holder comprises a water heater fixing structure (1c), the water heater fixing structure (1c) being an out-turned flange formed at the lower end of the outer sleeve (1a) with fastener mounting holes formed thereon.

7. The bowl of a gas water heater according to any one of claims 1 to 4, characterized in that the bowl body (1) is cast in one piece, the inner tube (1b) and the outer sleeve (1a) being radially spaced from each other with a connecting rib (8) between them.

8. The cartridge holder of the gas water heater according to any one of claims 1 to 4, wherein the cartridge holder body (1) is further provided with a first detection port (4) and a second detection port (6), the first detection port (4) penetrates through the tube wall of the outer tube (1a) and is communicated with the tube cavity of the outer tube (1a), the second detection port (6) penetrates through the tube walls of the outer tube (1a) and the inner tube (1b) and is communicated with the tube cavity of the inner tube (1b), and the first detection port (4) and the second detection port (6) are correspondingly provided with a first sealing screw (5) and a second sealing screw (7) which are detachable.

9. The bowl of a gas water heater according to any of the claims 1 to 4, characterized in that the outer sleeve (1a) is an intake pipe section and the inner pipe (1b) is an exhaust pipe section.

10. A gas water heater system comprising a gas water heater and a cartridge holder, characterized in that the cartridge holder is a cartridge holder according to any one of claims 1 to 9, the cartridge holder is fixed on the gas water heater by a water heater fixing structure (1c) on the cartridge holder, and the lower end of the inner tube (1b) is in sealing butt joint with the exhaust port of the gas water heater, and the lower end of the outer sleeve (1a) is in sealing butt joint with the air inlet of the gas water heater.