CN217423625U - Coupling assembling and water heater - Google Patents

Abstract

The utility model discloses a connecting assembly and a water heater, wherein the connecting assembly is used for being installed between an inner container and a shell of the water heater and comprises a first plastic sleeve part and a second plastic sleeve part, a connecting cavity is formed on the first plastic sleeve part, and a plurality of positioning parts are dispersedly formed on the side wall of the connecting cavity; one end of the second plastic sleeve is provided with a second positioning ring which is used for being in contact connection with the outer wall of the shell, the other end of the second plastic sleeve is provided with a plurality of clamping parts in a dispersing mode along the circumferential direction, clamping claws extending outwards are formed at the tail ends of the clamping parts, in the installation state, the second plastic sleeve is connected in the first plastic sleeve in a sleeved mode, each clamping claw is correspondingly installed in each positioning part, when foam materials are filled between the inner container and the shell, generated acting force firstly acts on the first plastic sleeve and transmits acting force to the shell through the first positioning ring, deformation and upwarping caused by extrusion in the plastic sleeve structure are avoided, the shell is not prone to deformation due to the limitation of the second positioning ring, the foam materials are prevented from being leaked, and the product quality is guaranteed.

Description

Coupling assembling and water heater

Technical Field

The utility model belongs to the technical field of the water heater, specifically speaking relates to a coupling assembling and 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 both communicated into the inner container, cold water is conveyed to the inner container, and heated hot water is output.

Lead to long between inner bag and the shell and need form the foaming, so that form the heat preservation effect to the inner bag, the cover structure is moulded to present water heater, generally for forming the muffjoint spare between inner bag and shell, under foaming material foaming inflation, can produce very big effort, the effort is outwards expanded from one side of inner bag, be used in current cover structure of moulding, mould the cover and receive outside power, often can produce the perk because the holding power is not enough, produce the foaming material even and spill over the scheduling problem along the shell preformed hole, influence product appearance, the shell deformation can also take place under the serious condition.

Disclosure of Invention

An object of the utility model is to provide a coupling assembling and water heater to the telescopic connection spare between inner bag and the shell that exists among the solution prior art takes place to rise to warp, causes the foaming material to spill over the scheduling problem under receiving the foaming effect.

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 application provides a connection assembly for mounting between a liner and a shell of a water heater, comprising:

the first plastic sleeve is provided with a connecting cavity, and the side wall of the connecting cavity is dispersedly provided with a plurality of positioning parts;

the external member is moulded to the second, the external member is moulded to the second is cover tube-shape, and its one end is formed with the second holding ring, be used for with the outer wall contact of shell is connected, and the other end is formed with a plurality of joint portions along circumference dispersion, the end of joint portion is formed with the jack catch of outside extension, under the installation status, the second is moulded the external member and is cup jointed in the first external member of moulding, each the jack catch one-to-one is installed in the locating part.

In some embodiments of the present application, the first plastic sleeve member is formed with a first positioning ring thereon, and the first positioning ring is located at an opening side of the connection cavity.

In some embodiments of the present application, the first positioning ring has a first following surface formed thereon, and the shape of the first following surface is adapted to the inner wall of the housing.

In some embodiments of the present application, the second positioning ring has a second following surface formed thereon, and the second following surface is shaped to fit the outer wall of the housing.

In some embodiments of the present application, a plurality of guide portions are further formed on the side wall of the connection cavity, and each positioning portion corresponds to one of the guide portions and is located at an end of the guide portion.

In another aspect, the utility model also provides a water heater, including inner bag, shell and connecting pipe, be formed with the interface on the outer wall of inner bag, be formed with the intercommunication mouth on the shell, the water heater still includes the aforesaid arbitrary coupling assembling.

In some embodiments of this application, the first both ends of moulding the external member respectively with the inner wall of shell and the outer wall contact of inner bag is connected, the second is moulded the external member and is passed the intercommunication mouth inserts in the first external member of moulding, under the installation state, first holding ring and the second holding ring is located respectively the inside and outside both sides of shell.

In some embodiments of this application, first be formed with first through-hole on moulding the external member, the second is moulded and is formed with the second through-hole on the external member, the one end of connecting pipe is passed in proper order the intercommunication mouth the second through-hole first through-hole and the interface inserts into the heating intracavity of inner bag.

In some embodiments of the present application, a butt joint portion is sleeved outside the connection pipe, an outer dimension of the butt joint portion is larger than the first through hole, and a butt joint groove is formed at an end of the butt joint portion for connecting with the interface.

In some embodiments of the present application, an internal thread is formed in the docking groove, an external thread is formed on the interface, and the docking portion is in threaded connection with the interface.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

the water heater that this application relates to, be formed with coupling assembling between inner bag and shell, the connecting pipe passes this coupling assembling and is connected to the heating intracavity of inner bag, coupling assembling includes that first cover spare and cup joint the second in the second cover spare of moulding moulds the external member, first cover spare one end of moulding is connected with the contact of inner bag shell, the other end is connected the contact on the inner wall of shell through first holding ring, the tip that the external member was moulded to the second is connected to in the first cover spare of moulding through joint portion, the other end passes through the second holding ring joint on the outer wall of shell, the effort that the foaming produced is at first used in the first cover spare and is transmitted the effort to the shell through first holding ring, the extrusion takes place to warp and rise in having avoided moulding the cover structure, the shell is because the restriction of second holding ring, also be as for taking place the deformation, product quality has been guaranteed, user experience is better.

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

Drawings

In order to more clearly illustrate the technical solutions of 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 view of a split structure of a connecting assembly according to the present invention;

FIG. 2 is a schematic view of a first plastic encasement structure;

FIG. 3 is a schematic view of a second plastic encasement construction;

FIG. 4 is a schematic view of the mounting position of the connection assembly in the water heater;

FIG. 5 is a schematic view of a portion of a water heater with a connection assembly;

FIG. 6 is a schematic illustration of the disassembled structure of FIG. 5;

FIG. 7 is a schematic view of a connecting tube and connecting assembly;

FIG. 8 is a sectional view A-A of FIG. 7;

FIG. 9 is a schematic plan view of the water heater;

FIG. 10 is a cross-sectional view B-B of FIG. 9;

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

100. a housing;

110. a communication port;

200. an inner container;

210. an interface;

300. a connecting pipe;

310. a docking portion;

311. a butt joint groove;

400. a connection assembly;

410. a first plastic sleeve member;

411. a first through hole;

412. a guide portion;

413. a positioning part;

414. a first positioning ring;

4141. a first following surface;

420. a second plastic sleeve member;

421. a second through hole;

422. a clamping part;

423. a claw;

424. a second positioning ring;

4241. the second following surface.

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 this application will be understood to be a specific case for those of ordinary skill in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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 invention. In order 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 reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.

In one aspect, as shown in fig. 1 to 3, the present application provides a connection assembly 400, which includes a first plastic sleeve 410 and a second plastic sleeve 420 partially sleeved in the first plastic sleeve 410, wherein a connection cavity is formed on the first plastic sleeve 410, and a plurality of positioning portions 413 are dispersedly formed on a sidewall of the connection cavity; the positioning part 413 is a groove extending inward along the sidewall of the connection chamber.

One end of the first plastic sleeve member 410 is formed with a first through hole 411, the other end is formed with a first positioning ring 414, the first positioning ring 414 is located at the opening side of the connecting cavity, in the installation state, the first plastic sleeve member 410 is located between the inner container 200 and the outer shell 100, and the first positioning ring 414 is in contact connection with the inner wall of the outer shell 100.

The second plastic sleeve 420 is in a sleeve shape, and has one end formed with a second positioning ring 424 for contacting with the outer wall of the casing 100, and the other end formed with a plurality of clamping portions 422 dispersed along the circumferential direction and extending along the axial direction of the second plastic sleeve 420.

In the installation process, one end of the second plastic sleeve 420 penetrates through the outer shell 100 to be inserted into the connecting cavity of the first plastic sleeve 410, the clamping portion 422 is provided at the end thereof with clamping jaws 423 extending outwards in the radial direction, in the installation state, the clamping jaws 423 are correspondingly installed in the positioning portion 413 one by one, and the second positioning ring 424 is located outside the outer shell 100.

The first positioning ring 414 is provided with a first conformal surface 4141, the shape of the first conformal surface 4141 is matched with the inner wall of the shell 100, the second positioning ring 424 is provided with a second conformal surface 4241, the shape of the second conformal surface 4241 is matched with the outer wall of the shell 100, in the mounting state, the first conformal surface 4141 is in contact connection with the inner wall of the shell 100, the second conformal surface 4241 is in contact connection with the outer wall of the shell 100, and the shapes of the first conformal surface 4141 and the second conformal surface 4241 are matched with the shape of the shell 100, so that the contact between the first conformal surface 4141 and the shell 100 is ensured to be tight, and the mounting gap is reduced.

In some embodiments of the present application, a plurality of guiding portions 412 are further formed on the side wall of the connecting cavity, each positioning portion 413 corresponds to one guiding portion 412, each guiding portion 412 extends from the positioning portion 413 to the opening of the connecting cavity, the guiding portion 412 is a groove formed in the side wall of the connecting cavity and extending inwards, the depth of the groove is smaller than that of the positioning portion 413, the design of the guiding portion 412 facilitates more accurate and convenient positioning of the claw 423 on the second plastic sleeve piece 420 to the positioning portion 413 of the first plastic sleeve piece 410, and the improvement of the connection efficiency is facilitated.

In the process of connecting the second plastic set 420 into the first plastic set 410, since the clamping portion 422 has a certain amount of elasticity along the radial direction of the second plastic set 420, each clamping jaw 423 and the clamping portion 422 are retracted inward in the central direction and enter the connecting cavity, each clamping jaw 423 moves along the guide portion 412 to the direction of the positioning portion 413, after the clamping jaw 423 reaches the positioning portion 413, the clamping jaw 423 and the clamping portion 422 are reset, the clamping jaw 423 enters the positioning portion 413, and the second plastic set 420 is connected into the first plastic set 420.

In another aspect, as shown in fig. 4 to 10, the present application provides a water heater, which includes a housing 100, an inner container 200, and a connecting assembly 400 located between the housing 100 and the inner container 200, wherein an interface 210 is formed on an outer wall of the inner container 200, a communication port 110 is formed on the housing 100, a maximum outer edge of a first positioning ring 414 is larger than the communication port 110 on the housing 100, an outer circumference of a second positioning ring 424 is larger than a size of the communication port 110, a connecting pipe 300 is inserted into a heating cavity of the inner container 200 through the communication port 110 of the housing 100, the connecting assembly 400, and the interface 210 on the inner container 200 in sequence, and the connecting pipe 300 may be a water inlet pipe or a water outlet pipe, and is used for delivering cold water or hot water into the heating cavity.

The first plastic sleeve member 410 is provided with a first through hole 411, the second plastic sleeve member 420 is provided with a second through hole 421, the size of the first through hole 411 is larger than that of the interface 210 on the inner container 200, and in the connecting assembly 400, one end of the connecting pipe 300 sequentially passes through the second through hole 421 and the first through hole 411 to be connected into the heating cavity of the inner container 200.

In the installed state, two ends of the first plastic sleeve 410 are respectively connected with the inner wall of the casing 100 and the outer wall of the inner container 200 in a contact manner, the second plastic sleeve 420 passes through the communication port 110 and is connected into the first plastic sleeve 410, and the first positioning ring 414 and the second positioning ring 424 are respectively located on the inner side and the outer side of the casing 100.

Further, as shown in fig. 8, the connection pipe 300 is further sleeved with a docking portion 310, the external dimension of the docking portion 310 is larger than that of the first through hole 411, a docking groove 311 is formed at the end of the docking portion 310, an internal thread is formed in the docking groove 311, an external thread is formed on the interface 210, and the docking portion 310 and the interface 210 are connected by a thread.

The specific connection process is as follows:

the first plastic sleeve piece 410 is placed in a gap between the outer shell 100 and the inner container 200, the first through hole 411 corresponds to the interface 210 on the inner container 200 and the communication port 110 on the outer shell 100, the first communication port 110 of the first plastic sleeve piece 410 is sleeved on the interface 210, the opening of the connection cavity of the first plastic sleeve piece 410 faces to one end where the outer shell 100 is located, and the second plastic sleeve piece 420 is installed in the connection cavity of the first plastic sleeve piece 410 from the outside of the communication port 110 of the outer shell 100.

When the second plastic set 420 is connected into the first plastic set 410, each of the claws 423 and the engaging portion 422 are retracted inward in the center direction, each of the claws 423 moves along the guide portion 412 in the direction of the corresponding positioning portion 413, and when the claws 423 reach the inside of the positioning portion 413, the claws 423 and the engaging portion 422 are restored by springing back, and the claws 423 enter the positioning portions 413, thereby connecting the second plastic set 420 into the first plastic set 410.

Finally, the connection pipe 300 connected with the butt joint part 310 in advance is inserted into the heating cavity of the inner container 200 through the communication port 110 of the casing 100, the connection assembly 400 and the interface 210 on the inner container 200 in sequence, and finally the butt joint part 310 is connected to the interface 210 of the inner container 200 through threads, so that the connection of the connection pipe 300 and the connection assembly 400, the inner container 200 and the casing 100 is realized.

When the water heater using the connecting assembly 400 is filled with the foaming material between the inner container 200 and the outer shell 100, the acting force generated by foaming firstly acts on the first plastic sleeve piece 410, and then the acting force is transmitted to the outer shell 100 through the first positioning ring 414, so that the deformation and the upwarp of the plastic sleeve structure caused by extrusion are avoided, the outer shell 100 is not deformed due to the limitation of the second positioning ring 424, the product quality is ensured, and the user experience is better.

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 of the present invention are only examples, 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 also intended to be covered by the scope of the present invention.

Claims (10)

1. A connection assembly for mounting between a liner and a shell of a water heater, comprising:

the first plastic sleeve is provided with a connecting cavity, and a plurality of positioning parts are dispersedly formed on the side wall of the connecting cavity;

the external member is moulded to the second, the external member is moulded to the second is cover tube-shape, and its one end is formed with the second holding ring, be used for with the outer wall contact of shell is connected, and the other end is formed with a plurality of joint portions along circumference dispersion, the end of joint portion is formed with the jack catch of outside extension, under the installation status, the second is moulded the external member and is cup jointed in the first external member of moulding, each the jack catch one-to-one is installed in the locating part.

2. The connection assembly according to claim 1,

the first plastic sleeve piece is provided with a first positioning ring, and the first positioning ring is located on the opening side of the connecting cavity.

3. The connection assembly according to claim 2,

a first following surface is formed on the first positioning ring, and the shape of the first following surface is matched with the inner wall of the shell.

4. The connection assembly according to claim 2,

and a second following surface is formed on the second positioning ring, and the shape of the second following surface is matched with the outer wall of the shell.

5. The connection assembly according to claim 2,

the side wall of the connecting cavity is also provided with a plurality of guide parts, and the positioning parts correspond to the guide parts one to one and are positioned at the end parts of the guide parts.

6. A water heater comprises an inner container, a shell and a connecting pipe, wherein an interface is formed on the outer wall of the inner container, and a communicating port is formed on the shell, and the water heater is characterized by further comprising the connecting assembly of any one of the claims 2 to 5.

7. The water heater of claim 6,

the first both ends of moulding the external member respectively with the inner wall of shell and the outer wall contact of inner bag is connected, the second is moulded the external member and is passed the intercommunication mouth inserts in the first external member of moulding, under the installation status, first holding ring and the second holding ring is located respectively the inside and outside both sides of shell.

8. The water heater of claim 6,

the first through-hole that is formed with on the external member is moulded to the first, the second is moulded and is formed with the second through-hole on the external member, the one end of connecting pipe passes in proper order the intercommunication mouth the second through-hole first through-hole and the interface inserts in the heating intracavity of inner bag.

9. The water heater of claim 8,

the outer side of the connecting pipe is sleeved with a butt joint part, the outer size of the butt joint part is larger than that of the first through hole, and a butt joint groove is formed in the end part of the butt joint part and used for being connected with the interface.

10. The water heater of claim 9,

an internal thread is formed in the butt joint groove, an external thread is formed on the interface, and the butt joint part is connected with the interface through a thread.

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