CN216897780U

CN216897780U - Water heater

Info

Publication number: CN216897780U
Application number: CN202122780529.8U
Authority: CN
Inventors: 陈玉丹; 赵立新; 余文君; 陈杰; 唐乾坤; 柳松; 姚广佳
Original assignee: Changhong Meiling Xinhua Technology Co ltd
Current assignee: Changhong Meiling Xinhua Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-07-05
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a water heater, comprising: the water heater comprises a water heater shell, a water inlet pipe and a water outlet pipe, wherein the water heater shell is provided with a first water inlet pipe and a first water outlet pipe; the heat exchanger component is positioned in the water heater shell and is provided with a second water inlet pipe and a second water outlet pipe; and connecting pipes are connected between the first water inlet pipe and the second water inlet pipe and between the first water outlet pipe and the second water outlet pipe, and can be freely bent and axially stretched. The connecting pipe of the water heater can freely bend and extend in the shell of the water heater, and even if the positions of the first water inlet pipe and the second water inlet pipe and the positions of the first water outlet pipe and the second water outlet pipe of different water heaters are different, the connecting pipe can also bypass obstacles to be smoothly connected. The connecting pipe can be adapted to water heaters with different specifications, and the same connecting pipe can be used in production and maintenance of different water heaters.

Description

Water heater

Technical Field

The utility model belongs to the technical field of households, and particularly relates to a water heater.

Background

In the current household water heater, the heat exchanger components in a plurality of water heaters are the same, but because the water pipe interfaces of the water heater shells of different types are different, water pipes with different lengths need to be produced in a matching way to connect the heat exchanger and the water heater shells, so that the problem of numerous specifications of the water pipes of the water heater is caused, and the production and after-sale guarantee of the water heater are not facilitated.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the water heater, the connecting pipe in the water heater can be freely bent and axially stretched, and the connecting pipe can be adapted to water heaters of different models, so that the standardization of the connecting pipe is realized.

The water heater according to the embodiment of the first aspect of the utility model comprises: the water heater comprises a water heater shell, a water pump and a water pump, wherein the water heater shell is provided with a first water inlet pipe and a first water outlet pipe; the heat exchanger assembly is positioned in the water heater shell and is provided with a second water inlet pipe and a second water outlet pipe; the first water inlet pipe with between the second water inlet pipe and first outlet pipe with all be connected with a connecting pipe between the second outlet pipe, the connecting pipe can freely be crooked and axial is flexible.

The water heater provided by the embodiment of the utility model at least has the following beneficial effects: the connecting pipe of the water heater shell and the water heater assembly can be freely bent and axially stretched, so that the connecting pipe can freely bend and extend in the water heater shell, can be adaptively connected with water heater shells of different models, realizes the standardization of the connecting pipe, and reduces the production and maintenance cost.

According to some embodiments of the utility model, the connection pipe includes an outer pipe and an inner pipe disposed inside the outer pipe, and the inner pipe and the outer pipe define an insulation space therebetween.

According to some embodiments of the utility model, the outer tube is braided from a plurality of flexible strips.

According to some embodiments of the utility model, the inner tube is a corrugated tube made of a plastic material.

According to some embodiments of the utility model, the two ends of the connecting pipe are provided with sealing joints, each sealing joint comprises a stud part and an insertion part arranged at one end of the stud part, the stud portion has a first external thread adjacent the spigot portion and a second external thread spaced from the first external thread, the inner wall of the connecting pipe is provided with a first internal thread hole matched with the second external thread, the first water inlet pipe, the second water inlet pipe, the first water outlet pipe and the second water outlet pipe are all provided with a second internal thread hole matched with the first external thread, the inserting part is inserted into the inner wall of the first water inlet pipe or the first water outlet pipe or the second water inlet pipe or the second water outlet pipe in a tight fit manner, the sealing joint is provided with a water passing channel which penetrates through the stud part and the insertion part and is communicated with the connecting pipe.

According to some embodiments of the utility model, the socket is provided with at least one ring of annular skirt, which is in interference fit with the first water inlet pipe or the first water outlet pipe or the second water inlet pipe or the second water outlet pipe.

According to some embodiments of the utility model, the annular skirt portion is provided with two circles, the two circles of annular skirt portions are arranged at intervals along the axial direction of the stud portion, and a sealing area is defined between the two circles of annular skirt portions and the inner wall of the corresponding first water inlet pipe or the corresponding first water outlet pipe or the corresponding second water inlet pipe or the corresponding second water outlet pipe.

According to some embodiments of the present invention, the sealing joint is provided with a limiting platform located between the first external thread and the second external thread, the limiting platform protrudes out of the first external thread or the second external thread along a radial direction of the bolt portion, and the first water inlet pipe or the first water outlet pipe or the second water inlet pipe or the second water outlet pipe can abut against an end surface of the limiting platform.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic view of the water heater housing and the location of the water heater components of the present invention;

FIG. 2 is a schematic view of the overall structure of the water heater of the present invention;

FIG. 3 is a schematic structural diagram of a connecting tube according to an embodiment;

fig. 4 is a schematic structural view of a sealing joint of the embodiment.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, the present invention uses a new type of water heater, comprising: the water heater comprises a water heater shell 10, wherein the water heater shell 10 is provided with a first water inlet pipe 101 and a first water outlet pipe 102; a heat exchanger assembly 20 located inside the water heater shell 10, the heat exchanger assembly 20 being provided with a second water inlet pipe 201 and a second water outlet pipe 202; a connecting pipe 30 is connected between the first water inlet pipe 101 and the second water inlet pipe 201 and between the first water outlet pipe 102 and the second water outlet pipe 202, and the connecting pipe 30 can be freely bent and axially extended and retracted. The water heater utilizes the characteristics of free bending and axial extension of the connecting pipe, so that the connecting pipe can freely bend and extend in the shell of the water heater, and even if the positions of the first water inlet pipe 101 and the second water inlet pipe 201, and the positions of the first water outlet pipe 102 and the second water outlet pipe 202 of different water heaters are different, the connecting pipe 30 can be smoothly connected by bypassing obstacles. The connecting pipe 30 can be adapted to water heaters with different specifications, so that the material production and storage cost of manufacturers is reduced, and the after-sale service of the water heaters is further guaranteed.

Referring to fig. 3, in some embodiments of the present invention, the connection pipe 30 includes an outer pipe 301 and an inner pipe 302 disposed inside the outer pipe 301, and the inner pipe 302 and the outer pipe 301 define an insulation space therebetween. The water heater is provided with high-temperature parts, the double-layer connecting pipe 30 with the heat insulation space can reduce the damage of high temperature to the inner-layer pipe 302 for water delivery, and the service life of the connecting pipe 30 is prolonged.

Referring to fig. 3, in some embodiments of the present invention, the outer tube 301 is formed by weaving a plurality of flexible strips, so that the outer tube 301 is deformed and then is shaped to prevent interference with other components inside the water heater.

Referring to fig. 3, in some embodiments of the utility model, the outer tube 301 is formed from 3 flexible strips braided.

Referring to fig. 3, in some embodiments of the present invention, the angle between two crossing flexible strips is an obtuse angle, and the angle between two crossing flexible strips may be 120 ° or 135 °.

Referring to fig. 3, in some embodiments of the present invention, the inner tube 302 is a corrugated tube made of plastic. The inner pipe may be made of one or more of TPE, rubber, silica gel, TPU, PE and other elastic materials.

Referring to fig. 4, in some embodiments of the present invention, the sealing joints 40 are disposed at both ends of the connection pipe, the sealing joint 40 includes a column part 406 and an insertion part 401 disposed at one end of the column part 406, the column part 406 has a first external thread 402 adjacent to the insertion part 401 and a second external thread 403 spaced apart from the first external thread 402, the inner wall of the connection pipe is provided with a first internal thread hole 501 matched with the second external thread 403, the first inlet pipe 101, the second inlet pipe 201, the first outlet pipe 102 and the second outlet pipe 202 are each provided with a second internal thread hole 502 matched with the first external thread 402, the insertion part 401 is tightly inserted into the inner wall of the first inlet pipe 101 or the first outlet pipe 102 or the second inlet pipe 201 or the second outlet pipe 202, and the sealing joint 40 penetrates through the column part 406 and the insertion part 401 and is connected to the connection pipe 30 A water passage 405 therethrough. The traditional water pipe connection mode is as follows: one end of the water pipe is sleeved on the other pipeline, and then the water pipe is clamped tightly by the clamp to achieve the purpose of sealing, but the sealing effect is gradually reduced along with the aging of the clamp. The sealing joint 40 has two connection modes of tight fit connection and threaded connection, the sealing joint 40 is convenient to install, and water leakage at the joint of the connecting pipe 30 and the pipeline can be effectively prevented after installation, so that the aim of prolonging the maintenance period of the water heater is fulfilled.

Referring to figure 4, in some embodiments of the utility model, the spigot 401 is provided with at least one ring of annular skirt 4011, said annular skirt 4011 being in interference fit with the first inlet conduit 101 or the first outlet conduit 102 or the second inlet conduit 201 or the second outlet conduit 202. The existence of the annular skirt 4011 can increase the sealing effect of the insertion part 401, and meanwhile, the existence of the annular skirt 4011 increases the friction force between the insertion part 401 and the inner wall of the pipeline, so that the sealing joint 40 is not easy to fall off.

Referring to fig. 4, in some embodiments of the present invention, the annular skirt 4011 is provided with two circles, the two circles of the annular skirt 4011 are spaced apart from each other along the axial direction of the stud portion 406, and a sealing region 407 is defined between the two circles of the annular skirt 4011 and the inner wall of the corresponding first inlet pipe 101, first outlet pipe 102, second inlet pipe 201, or second outlet pipe 202. The two annular skirts 4011 on the plug part 401 can define a sealing area 407 with the interior of the pipe, so that the sealing joint 40 with the two annular skirts 4011 has a better sealing effect.

Referring to fig. 4, in some embodiments of the present invention, the sealing joint 40 is provided with a limiting platform 404 located between the first external thread 402 and the second external thread 403, the limiting platform 404 protrudes from the first external thread 402 or the second external thread 403 along a radial direction of the screw column portion 406, and the first water inlet pipe 101, the first water outlet pipe 102, the second water inlet pipe 201, or the second water outlet pipe 202 can abut against an end surface of the limiting platform 404. The spacing platform 404 can space the first external thread 402 from the second external thread 403 to prevent the sealing joint 40 from being excessively twisted when the sealing joint 40 is installed, which may result in damage to the sealing joint 40.

Referring to fig. 4, in some embodiments of the present invention, in order to prevent excessive distortion when the connection pipe 30 is connected to the sealing joint 40, the stop platform 404 can rotate axially relative to the sealing joint 40, and the second external thread 403 is disposed on the stop platform 404.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A water heater, comprising:

the water heater comprises a water heater shell (10), wherein the water heater shell (10) is provided with a first water inlet pipe (101) and a first water outlet pipe (102);

a heat exchanger assembly (20) located within the water heater housing (10), the heat exchanger assembly (20) being provided with a second water inlet pipe (201) and a second water outlet pipe (202);

and a connecting pipe (30) is connected between the first water inlet pipe (101) and the second water inlet pipe (201) and between the first water outlet pipe (102) and the second water outlet pipe (202), and the connecting pipe (30) can be freely bent and axially stretched.

2. The water heater according to claim 1, characterized in that the connecting pipe (30) comprises an outer pipe (301) and an inner pipe (302) arranged inside the outer pipe (301), and the inner pipe (302) and the outer pipe (301) define an insulating space therebetween.

3. The water heater according to claim 2, wherein the outer tube (301) is cross-woven from a plurality of flexible strips.

4. The water heater according to claim 2, wherein the inner tube (302) is a corrugated tube of plastic material.

5. The water heater according to claim 1, wherein the two ends of the connecting pipe are provided with sealing joints (40), each sealing joint (40) comprises a column part (406) and an inserting part (401) arranged at one end of the column part (406), the column part (406) is provided with a first external thread (402) adjacent to the inserting part (401) and a second external thread (403) arranged at a distance from the first external thread (402), the inner wall of the connecting pipe is provided with a first internal thread hole (501) matched with the second external thread (403), the first water inlet pipe (101), the second water inlet pipe (201), the first water outlet pipe (102) and the second water outlet pipe (202) are provided with a second internal thread hole (502) matched with the first external thread (402), and the inserting part (401) is tightly inserted in the first water inlet pipe (101), the first water outlet pipe (102), the second water inlet pipe (201) or the first water outlet pipe (102), or the second water inlet pipe (201) or the inserting part (401) The inner wall of the second water outlet pipe (202), the sealing joint (40) is provided with a water passing channel (405) which penetrates through the stud part (406) and the insertion part (401) and is communicated with the connecting pipe (30).

6. The water heater according to claim 5, characterized in that the socket (401) is provided with at least one ring of annular skirt (4011), the annular skirt (4011) being tightly fitted to the inner pipe wall of the first inlet pipe (101) or the first outlet pipe (102) or the second inlet pipe (201) or the second outlet pipe (202).

7. A water heater according to claim 6, wherein the annular skirt (4011) is provided with two rings, the two rings of the annular skirt (4011) are arranged at intervals along the axial direction of the stud portion (406), and a sealing section (407) is defined between the two rings of the annular skirt (4011) and the inner wall of the corresponding first water inlet pipe (101) or first water outlet pipe (102) or second water inlet pipe (201) or second water outlet pipe (202).

8. The water heater according to claim 5, characterized in that the sealing joint (40) is provided with a limiting platform (404) located between the first external thread (402) and the second external thread (403), the limiting platform (404) protrudes from the first external thread (402) or the second external thread (403) along the radial direction of the screw column part (406), and the first water inlet pipe (101) or the first water outlet pipe (102) or the second water inlet pipe (201) or the second water outlet pipe (202) can abut against the end surface of the limiting platform (404).