CN216744895U - Insulating tube structure and water heater - Google Patents

Abstract

The utility model discloses an insulation pipe structure and a water heater, wherein the insulation pipe structure comprises a straight pipe fitting, a bent pipe fitting and a connecting part, and a linear conveying inner cavity is formed in the straight pipe fitting; the bent pipe fitting is connected to one end of the straight pipe fitting, a first bent pipe part and a second bent pipe part perpendicular to the first bent pipe part are formed in the bent pipe fitting, a first water conveying cavity is formed in the first bent pipe part, a second water conveying cavity is formed in the second bent pipe part, and the first water conveying cavity is communicated with the conveying inner cavity in an installation state; a connecting hole is formed in the connecting part, and the bent pipe fitting is sleeved on the outer side of the first bent pipe part through the connecting hole and is used for connecting the straight pipe fitting and the bent pipe fitting with the inner container of the water heater; before leaving the factory, the insulating tube structure is integrated on the water heater in advance, the process of after-sale installation is omitted, the connecting part is further protected by the aid of the connecting part which is in interference fit with the outer side of the connecting part, the problem that the connecting part leaks water can be effectively solved, and safety performance and use feeling of customers are improved.

Description

Insulating tube structure and water heater

Technical Field

The utility model belongs to the technical field of water heaters, and particularly relates to an insulating tube structure and a water heater.

Background

At present, water heaters are household appliances commonly used in daily life of people, and are classified into electric water heaters, heat pump water heaters, solar water heaters and the like. Electric water heaters are widely used because of their convenient use.

For a conventional water heater, the conventional water heater generally comprises a water tank, a water inlet pipe, a water outlet pipe and the like, wherein the water tank comprises a shell and an inner container, the inner container is arranged in the shell, and an insulating layer is formed between the shell and the inner container to improve the insulating property of the water tank. The water inlet pipe and the water outlet pipe are communicated to the inner container, cold water is conveyed to the inner container, and heated hot water is output.

The water inlet and outlet pipe of the existing water heater mostly adopts a vertical insulating pipe structure, and after-sales personnel often install a right-angle adapter at the head of the water pipe due to the factors of saving installation space, attractive installation effect and the like during actual installation, so that the water pipe which is conveyed from top to bottom is changed into a horizontal direction, an external water pipe is conveniently connected, and the water heater is convenient for users to use.

After-sale personnel ann changes right angle adapter's in-process, when influencing the installation effectiveness, still can have because factors such as connection condition and assembly quality, ageing or damage appear in right angle adapter and the hookup location of business turn over water pipe, cause the problem that the junction leaked, and the degree of safety is lower, and the customer uses the impression relatively poor.

Disclosure of Invention

The utility model aims to provide an insulating tube structure and a water heater, and aims to solve the problems that in the prior art, in the process of connecting a right-angle adapter outside a water inlet pipe and a water outlet pipe of the existing water heater, the installation efficiency is low, the sealing performance of a connection part is poor, water leakage is easy to occur, potential safety hazards exist and the like.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

in one aspect, the present invention provides an insulation tube structure comprising:

the straight pipe fitting is internally provided with a linear conveying inner cavity;

the bent pipe part is connected to one end of the straight pipe part, a first bent pipe part and a second bent pipe part perpendicular to the first bent pipe part are formed in the bent pipe part, a first water conveying cavity is formed in the first bent pipe part, a second water conveying cavity is formed in the second bent pipe part, the first water conveying cavity and the second water conveying cavity are perpendicular to each other, and the first water conveying cavity is communicated with the conveying inner cavity in an installation state;

the connecting part is provided with a connecting hole, and the connecting part is sleeved on the outer side of the first bent pipe part through the connecting hole and is used for connecting the straight pipe part and the bent pipe part with the inner container of the water heater.

In some embodiments of the present application, the first water delivery chamber and the second water delivery chamber are generally L-shaped.

In some embodiments of the present application, a blind pipe cavity is further formed in the second bent pipe portion, and the blind pipe cavity and the second water delivery cavity are respectively located at two sides of the first water delivery cavity.

In some embodiments of the present application, a first connection portion is formed at an end of the first bent pipe portion, the first connection portion is a groove structure extending to the second bent pipe portion, and the straight pipe member is connected with the first connection portion in an interference fit manner.

In some embodiments of the present application, the first elbow portion is connected in the connecting hole by an interference fit.

In another aspect, the utility model further provides a water heater, which includes an outer shell, an inner container formed in the outer shell, and any one of the insulating tube structures, where the bent tube is located outside the outer shell and used for connecting with an external water conveying pipeline, and the straight tube extends into a heating cavity of the inner container through the outer shell and the inner container.

In some embodiments of the present application, an interface is formed on an outer wall of the inner container, an external thread is formed on the interface, a connection groove is formed on the connection portion, and an internal thread is formed in the connection groove for connecting with the interface.

In some embodiments of the present application, a gasket is disposed within the connecting portion, the gasket being located at the bottom of the connecting slot.

In some embodiments of the present application, a fastening sleeve is further disposed above the gasket, a positioning hole is formed in the fastening sleeve, an installation gap is formed between an outer wall of the fastening sleeve and an inner wall of the connecting groove, and in an installation state, the interface is formed in the installation gap.

In some embodiments of the present application, a plurality of positioning protrusions extending toward the center of the fastening sleeve are dispersedly formed on an inner wall of the positioning hole.

Compared with the prior art, the utility model has the advantages and positive effects that:

the utility model relates to an insulation tube structure includes straight pipe fitting and elbow pipe fitting, elbow pipe fitting connects at straight pipe fitting tip through interference fit in advance, will straighten pipe fitting and elbow pipe fitting through the connecting portion and connect on the inner bag of water heater, this insulation tube structure is integrated the elbow pipe fitting to the water heater in advance, erection joint is convenient, the process of after-sale installation has been saved, the junction uses connecting portion further to protect through interference fit and the outside, can effectively avoid the problem that the junction leaked, the security performance and customer use impression have been improved.

Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.

Drawings

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

FIG. 1 is a schematic structural diagram of an embodiment of an insulation tube structure according to the present invention;

fig. 2 is a schematic diagram of a split structure of the insulating tube structure according to the present invention;

FIG. 3 is a front view of the structure of the insulating tube structure proposed by the present invention;

FIG. 4 is one of the schematic A-A structures of FIG. 3;

FIG. 5 is a second schematic view of the structure A-A of FIG. 3;

FIG. 6 is a schematic view of the positions of the first and second limiting end surfaces;

FIG. 7 is a schematic view of the connection of the insulation pipe structure to the water heater;

FIG. 8 is a schematic view of the attachment of the insulation tube structure to the water heater liner;

in the figure, the position of the first and second end faces,

100. a housing;

200. an inner container;

210. an interface;

300. an insulating tube structure;

310. a straight pipe fitting;

311. a delivery lumen;

320. pipe bending parts;

321. a first bent pipe portion; 3211. a first water delivery cavity; 3212. a first limit end face;

322. a second bent pipe portion; 3221. a second water delivery cavity; 3222. a blind lumen;

330. a connecting portion;

331. a mounting gap;

332. a second limiting end face;

340. fastening the sleeve;

350. a gasket.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to 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; may be mechanically coupled, may be directly coupled, or may be indirectly coupled through an intermediary. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

As shown in fig. 1 and 2, the present application provides an insulation tube structure 300, which includes a straight tube 310 and a bent tube 320, wherein a linear type conveying inner cavity 311 is formed inside the straight tube 310, and in the installation state of the water heater, the straight tube 310 is used as a water inlet tube or a water outlet tube to be vertically connected into the inner container 200 of the water heater, and is communicated with the inner container 200 to convey cold water or output hot water to the heating inner container 200;

the elbow member 320 is connected to one end of the straight pipe member 310 extending out of the inner container 200, a first elbow part 321 and a second elbow part 322 perpendicular to the first elbow part 321 are formed in the elbow member 320, and a first water delivery cavity 3211 is formed in the first elbow part 321.

A second water delivery cavity 3221 is formed in the second elbow part 322, the first water delivery cavity 3211 and the second water delivery cavity 3221 are perpendicular to each other, and in an installation state, the first water delivery cavity 3211 is communicated with the conveying inner cavity 311; the water pipe connecting device is used for changing the communication direction of the water inlet pipe and the water pipe and is convenient to be connected with an external water pipe.

The end of the first bent pipe portion 321 is formed with a first connection portion, the first connection portion is a groove structure extending to the second bent pipe portion 322, and the straight pipe member 310 is connected with the first connection portion in an interference fit manner.

The straight pipe 310 and the bent pipe 320 are installed on the inner container 200 through the connection part 330, a connection hole is formed on the connection part 330, and the bent pipe 320 is sleeved outside the first bent pipe part 321 through the connection hole for connecting the straight pipe 310 and the bent pipe 320 with the inner container 200 of the water heater.

Specifically, as shown in fig. 6, an annular groove is formed on an outer wall of an end portion of the first elbow part 321 of the elbow member 320, a first stopper end surface 3212 is formed on a bottom of the annular groove, a stopper groove is formed on an end of the connecting hole close to the elbow member 320, and a second stopper end surface 332 is formed on a bottom of the stopper groove.

The outer wall of the first bent pipe portion 321 is in interference connection with the connecting hole, the first bent pipe portion 321 penetrates into the connecting hole until the first limiting end surface 3212 and the second limiting end surface 332 contact with each other, and the position between the bent pipe portion 320 and the connecting portion 330 is limited, so that connection is firm.

As shown in fig. 3 and 4, in some embodiments of the present application, the first and second water delivery cavities 3211 and 3221 are L-shaped as a whole, and fluid between the first and second water delivery cavities 3211 and 3221 directly communicates with each other.

As shown in fig. 3 and 5, in other embodiments of the present application, a blind lumen 3222 is further formed in the second elbow portion 322, the blind lumen 3222 and the second water delivery lumen 3221 are respectively located at two sides of the first water delivery lumen 3211, and when fluid flows into the second water delivery lumen 3221 from the first water delivery lumen 3211, the fluid passes through the blind lumen 3222 first, so that the pressure of the water flow can be effectively relieved, and noise generated during the water flow process can be reduced.

As shown in fig. 7 and 8, the present application further provides a water heater, which includes an inner container 200 of a housing 100 and the above-mentioned insulating tube structure 300, in an installation and use state, a bent tube 320 is located outside the housing 100 for connecting with an external water pipeline, and a straight tube 310 passes through the housing 100 and the inner container 200 and extends into a heating cavity of the inner container 200.

Specifically, be formed with a plurality of interfaces 210 on the outer wall of inner bag 200 for straight pipe fitting 310 passes, with inner bag 200 heating chamber intercommunication, be formed with the external screw thread on each interface 210, correspond the external screw thread on the interface 210, form the connecting groove on connecting portion 330, the connecting groove is for forming the recess on connecting portion 330 another terminal surface, the connecting groove is located the both ends of connecting portion 330 respectively with the spacing groove, is formed with the internal thread in the connecting groove, is used for being connected with interface 210.

In order to stabilize the connection of the straight pipe 310 in the connection portion 330 and prevent the straight pipe 310 and the connection portion 330 from shaking and deflecting during the actual use process to affect the tight connection, a gasket 350 is disposed in the connection portion 330, and the gasket 350 is sleeved on and outside the first bent pipe portion 321 and located at the bottom of the connection groove.

Further, in order to fix the position of the straight pipe 310 and improve the stability of the straight pipe 310, a fastening sleeve 340 is further arranged above the gasket 350, a positioning hole is formed in the fastening sleeve 340, an installation gap 331 is formed between the outer wall of the fastening sleeve 340 and the inner wall of the connection groove, during installation, the connection groove is sleeved outside the interface 210, and the interface 210 is completely located in the installation gap 331.

After the fastening sleeve 340 is installed in the coupling groove, the top thereof is flush with the top of the coupling portion 330.

In order to reduce the quality of fastening sleeve 340, the dispersion is formed with a plurality of location archs that extend to fastening sleeve 340 central direction on the inner wall of locating hole, and under the installation, location arch and the contact of first bent pipe portion 321 outer wall are fixed with first bent pipe portion 321, reduce to rock, improve the stability of whole equipment.

The specific installation process comprises the following steps:

the whole insulation tube structure 300 is installed before the water heater leaves a factory, the first elbow part 321 of the elbow pipe 320 is sleeved on the first connecting part of the straight pipe 310 in an interference fit mode, the gasket 350 and the fastening sleeve 340 are installed in the connecting part 330 in advance, and then the upper end of the straight pipe 310 together with the connecting part 330 is sleeved on the straight pipe 310 until the first limiting end surface 3212 contacts the second limiting end surface 332.

The straight pipe 310 penetrates through the outer wall of the outer shell 100 and the interface 210 of the inner container 200 and extends into the heating inner cavity of the inner container 200, and finally the connecting part 330 is connected to the interface 210 in a threaded connection manner, so that the connection between the insulating tube structure 300 and the water heater is completed.

This insulating tube structure 300 is integrated on the water heater with elbow fitting 320 in advance, has saved the process of after-sale installation, and the junction uses connecting portion 330 further to protect through interference fit and the outside, can effectively avoid the problem that the junction leaked, has improved security performance and customer and has used the impression.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention, and therefore, the scope of the present invention shall be subject to the claims.

Claims (10)

1. An insulating tube structure, comprising:

the straight pipe fitting is internally provided with a linear conveying inner cavity;

the bent pipe fitting is connected to one end of the straight pipe fitting, a first bent pipe part and a second bent pipe part perpendicular to the first bent pipe part are formed in the bent pipe fitting, a first water conveying cavity is formed in the first bent pipe part, a second water conveying cavity is formed in the second bent pipe part, the first water conveying cavity and the second water conveying cavity are perpendicular to each other, and in an installation state, the first water conveying cavity is communicated with the conveying inner cavity;

the connecting part is provided with a connecting hole, and the connecting part is sleeved on the outer side of the first bent pipe part through the connecting hole and is used for connecting the straight pipe part and the bent pipe part with the inner container of the water heater.

2. The insulation tube structure of claim 1,

the first water delivery cavity and the second water delivery cavity are integrally L-shaped.

3. The insulation tube structure of claim 1,

a blind pipe cavity is formed in the second bent pipe part, and the blind pipe cavity and the second water delivery cavity are respectively positioned on two sides of the first water delivery cavity.

4. The insulation tube structure of claim 1,

the tip of first bent pipe portion is formed with first connecting portion, first connecting portion be for to the groove structure that the second bent pipe portion extends, straight pipe fitting with first connecting portion interference fit is connected.

5. The insulation tube structure of claim 1,

the first bent pipe part is connected in the connecting hole in an interference fit mode.

6. A water heater comprising a housing and a liner formed in the housing, characterized in that the water heater further comprises an insulation tube structure as claimed in any one of the above claims 1 to 5, the elbow pipe is located outside the housing and is used for connecting with an external water pipeline, and the straight pipe passes through the housing and the liner and extends into a heating cavity of the liner.

7. The water heater of claim 6,

the outer wall of the inner container is provided with an interface, an external thread is formed on the interface, a connecting groove is formed on the connecting part, and an internal thread is formed in the connecting groove and used for being connected with the interface.

8. The water heater of claim 7,

a gasket is arranged in the connecting portion and is located at the bottom of the connecting groove.

9. The water heater of claim 8,

the gasket is characterized in that a fastening sleeve is further arranged above the gasket, a positioning hole is formed in the fastening sleeve, an installation gap is formed between the outer wall of the fastening sleeve and the inner wall of the connecting groove, and the interface is formed in the installation gap in an installation state.

10. The water heater of claim 9,

and a plurality of positioning bulges extending towards the center direction of the fastening sleeve are dispersedly formed on the inner wall of the positioning hole.

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