CN216080407U - Water inlet pipe module and electric water heater - Google Patents

Abstract

The utility model discloses a water inlet pipe module and an electric water heater, which comprise a water inlet inner pipe, a water inlet outer pipe and a sealing part; the side wall of the upper end of the water inlet inner pipe is provided with a plurality of conducting holes, and the bottom end of the water inlet inner pipe is provided with a water inlet; a plurality of water outlet holes are formed in one end, far away from the through hole, of the water inlet outer pipe; the water inlet outer pipe is sleeved outside the water inlet inner pipe, and the sealing part is used for sealing the water inlet inner pipe and the water inlet outer pipe. The utility model provides a water inlet pipe module and an electric water heater, which can ensure that the distribution of cold water flowing into the electric water heater from a water inlet pipe is more reasonable, reduce the disturbance to hot water in the electric water heater, improve the hot water output rate of the electric water heater, improve the sealing property of the joint of the water inlet pipe and a liner, and have the selectivity of whether the electric water heater comprises an electricity-proof wall function or not.

Description

Water inlet pipe module and electric water heater

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to a water inlet pipe module of an electric water heater.

Background

At present, water heaters are household appliances commonly used in daily life of people, and the water heaters are divided 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. The electric water heater can be divided into a water storage type electric water heater and an instant heating type electric water heater according to the heating power, and the water storage type electric water heater has the characteristics of large water yield, stable water temperature and the like due to the arrangement of a water tank, and is purchased and used by more families. For a conventional water storage type electric water heater, the conventional water storage type electric water heater generally comprises a water tank, an electric heating component and an electric control board, 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 performance of the water tank. The electric heating part is inserted into the inner container, and the electric heating part is electrified to generate heat so as to heat the water in the inner container.

The water flowing into the water heater in the water inlet pipe of the electric water heater is cold water, and the distribution of heated hot water in the water heater can be influenced by the input of the cold water, so that the output rate of the hot water is reduced.

The joint of the water inlet pipe and the inner container of the electric water heater has the risk of water leakage, the sealing performance is improved by adding the sealing rubber gasket, and the risk of water leakage exists at the joint.

Meanwhile, whether the original electric water heater has the function of the electricity-proof wall or not cannot be flexibly selected, and the requirement of self-defining selection of the function of the electric water heater according to customers at present is not met.

Therefore, how to reduce the influence of cold water flowing from the water inlet pipe on hot water in the electric water heater and improve the output rate of the hot water; how to increase the sealing performance of the sealing rubber gasket between the water inlet pipe and the inner container so that the sealing effect is better and more reliable; the electricity-proof wall function can be flexibly selected according to the personalized requirements of customers, and is a technical problem to be solved urgently.

Disclosure of Invention

The utility model provides a water inlet pipe module and an electric water heater, which can ensure that the distribution of cold water flowing into the electric water heater from a water inlet pipe is more reasonable, reduce the disturbance to hot water in the electric water heater, improve the hot water output rate of the electric water heater, improve the sealing property of the joint of the water inlet pipe and a liner, and have the selectivity of whether the electric water heater comprises an electricity-proof wall function or not.

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

a water inlet pipe module comprises a water inlet inner pipe, a water inlet outer pipe and a sealing part; the side wall of the upper end of the water inlet inner pipe is provided with a plurality of conducting holes, and the bottom end of the water inlet inner pipe is provided with a water inlet; a plurality of water outlet holes are formed in one end, far away from the through hole, of the water inlet outer pipe; the water inlet outer pipe is sleeved outside the water inlet inner pipe, and the sealing part is used for sealing the water inlet inner pipe and the water inlet outer pipe.

In some embodiments of the present application, the water inlet inner pipe includes an inner sleeve and an inner and outer conducting pipes, and the inner and outer conducting pipes are provided with a plurality of the conducting holes; wherein, the inner sleeve is communicated with the inner and outer conduction pipes.

In some embodiments of the present application, the seal portion includes a first bushing, a second bushing, and a plug; the first bushing is arranged between the top end of the water inlet inner pipe and the top end of the water inlet outer pipe; the second bushing is arranged between the bottom end of the water inlet outer pipe and the water inlet inner pipe; the plug is used for positioning and sealing the top end of the water inlet inner pipe and the top end of the water inlet outer pipe. The first bushing is matched with the plug to ensure the sealing between the top end of the water inlet inner pipe and the top end of the water inlet outer pipe; the second lining is used for guaranteeing the sealing performance of the bottom end of the water inlet inner pipe and the bottom end of the water inlet outer pipe.

In some embodiments of the present application, the plug includes a first limiting ring, a second limiting ring and a plug body, the first limiting ring and the second limiting ring are connected to the plug body, the first limiting ring abuts against the top end of the water inlet outer pipe, the second limiting ring abuts against the first bushing end face, and the plug body is inserted into the water inlet inner pipe. Thereby realizing the sealing and the positioning of the top end of the water inlet outer pipe.

In some embodiments of the present application, the second bushing includes a third limiting ring and a second bushing body, the third limiting ring is connected to the second bushing body, the third limiting ring abuts against the bottom end of the water inlet outer pipe, and the second bushing body is disposed between the bottom end of the water inlet outer pipe and the water inlet inner pipe. Thereby realizing the sealing and the positioning of the bottom ends of the water inlet inner pipe and the water inlet outer pipe.

In some embodiments of the present application, the first bushing includes a fourth limiting ring and a first bushing body, the fourth limiting ring is connected to the first bushing body, one end surface of the fourth limiting ring abuts against the top end of the water inlet inner pipe, and the other end surface of the fourth limiting ring abuts against the plug; an annular groove is formed in the first bushing, a sealing ring is arranged in the annular groove, and the sealing ring abuts against the water inlet outer pipe. Thereby realizing the sealing and the positioning of the top end of the water inlet inner pipe.

In some embodiments of the present application, the water inlet pipe further comprises a third bushing sleeved on the bottom end of the water inlet inner pipe. The third lining is used for connecting the water inlet pipe module with the water inlet pipe of the liner of the electric water heater.

In some embodiments of the present application, the water inlet pipe is aligned with the bottom end face of the third bushing, and the sealing rubber pad abuts against the bottom end face of the water inlet pipe and the bottom end face of the third bushing. The sealing rubber mat is abutted with the end faces of the inner container water inlet pipe and the third bushing to realize sealing, the area of the sealing contact surface is larger than the contact area of the original sealing rubber mat which is only abutted with the inner container water inlet pipe, and the sealing performance can be effectively improved.

In some embodiments of the present application, the water inlet inner pipe is integrally injection molded with the third bushing. The position relation of inner tube and third bush of intaking can effectual assurance of integrative injection moulding.

The utility model provides an electric water heater, includes inner bag and above-mentioned water inlet pipe module, be provided with inner bag inlet tube and spiral shell head on the inner bag, inner bag inlet tube suit is in outside the third bush, the inner bag inlet tube with third liner tube interference fit, the spiral shell head inserts in the inner tube of intaking, the spiral shell head with the inner tube clearance fit of intaking.

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

1. by arranging the water inlet inner pipe and the water inlet outer pipe, cold water flows in from the water inlet inner pipe and flows out from the water inlet outer pipe, so that the cold water is input into the water heater and has a certain buffering effect on the cold water; set up a plurality of conducting holes on bestriding the upper end lateral wall of inner tube of intaking through bestriding, set up the inlet opening at the inner tube bottom of intaking, a plurality of apopores have been seted up to the one end that the conducting hole was kept away from to the outer tube of intaking, cold water enters into the inner tube of intaking from the inlet opening, flow in from the bottom of the inner tube of intaking, in the conducting hole on the inner tube upper end lateral wall of intaking flows out the outer tube of intaking, flow out from the apopore of the outer tube bottom of intaking again, the effectual water route that has prolonged cold water inflow in the inner bag, the interference of cold water to the hot water in the inner bag has been reduced, thereby improve electric water heater's hot water play water efficiency.

2. The third bushing is arranged, so that the end surfaces of the third bushing and the inner container water inlet pipe are in contact with the sealing rubber strip, the sealing area is increased, and the sealing effect is improved; through the split design of the screw head and the water inlet pipe module, whether the electric water heater has the electricity-proof wall function or not is selective, and therefore the individualized requirements of customers can be better met.

Drawings

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

FIG. 1 is a schematic view of the overall structure of an embodiment of a water inlet pipe module according to the present invention

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a schematic view of an assembly of a water inlet tube and a sealing rubber pad of an inner container of an electric water heater;

FIG. 5 is an enlarged view of a portion of FIG. 4 at C;

FIG. 6 is a schematic view of the connection assembly of the water inlet tube of the inner container, the third liner tube and the sealing rubber gasket of the electric water heater of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at D;

FIG. 8 is an assembly view of a water inlet pipe, a screw head and a water inlet pipe module of an inner container of an electric water heater according to the present invention;

description of reference numerals:

100, an inner water inlet pipe; 110, a via hole; 111, a first sub-via hole; 112, a second sub-via hole; 120, inner sleeve; 130, an inner conduction pipe and an outer conduction pipe;

200, an outer water inlet pipe; 210, water outlet holes;

300, a sealing part; 310, a first bushing; 311, a fourth stop collar; 312, a first bushing body; 313, an annular groove; 314, a seal ring; 320, a second bushing; 321, a third limit ring; 322, a second bushing body; 330, a plug; 331, a first limit ring; 332, a second stop collar; 333, plug body; 340, a third bushing; 341, sealing the rubber gasket;

410, an inner container water inlet pipe; 420, screw head.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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 invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

In this embodiment, as shown in fig. 1, the water inlet pipe module includes an inner water inlet pipe 100, an outer water inlet pipe 200, and a sealing portion 300, wherein the sealing portion 300 is disposed between the inner water inlet pipe 100 and the outer water inlet pipe 200 for sealing the inner water inlet pipe 100 and the outer water inlet pipe 200.

In the present embodiment, as shown in fig. 1, 2 and 3, a plurality of through holes 110 are formed at the upper end of the side wall of the inner water inlet pipe 100, and the cold water in the inner water inlet pipe 100 flows into the outer water inlet pipe 200 through the through holes 110, so as to realize the water circulation between the inner water inlet pipe 100 and the outer water inlet pipe 200.

Specifically, as shown in fig. 1, 2 and 3, the via hole 110 includes two first sub-via holes 111 coaxially disposed and two second sub-via holes 112 coaxially disposed, and the two first sub-via holes 111 are perpendicular to the axes of the two second sub-via holes 112. The specific layout and number of the through holes 110 can be set in various ways, and are not limited herein.

Specifically, as shown in fig. 1, a water inlet is formed at the bottom end of the water inlet inner pipe 100, the input cold water is input from the water inlet at the bottom end of the water inlet inner pipe 100, and in order to extend the distance from the bottom end of the cold water inlet inner pipe 100 to the conducting hole 110, extend the distance and time for buffering the cold water, and sufficiently slow down the water flow velocity of the cold water, the conducting hole 110 is disposed at the top end of the water inlet inner pipe 100, which is shorter than the bottom end of the water inlet inner pipe 100.

Specifically, as shown in fig. 1, the water inlet inner pipe 100 is formed by two communicating pipes, namely an inner pipe 120 and an inner and outer conducting pipe 130.

As shown in fig. 1 and 3, the inner tube 120 is coaxially connected to the inner and outer conduits 130, and the hollow portion communicates with each other. The through hole 110 is opened in the inner and outer conductive pipes 130.

In the present embodiment, as shown in fig. 1 and 2, the sealing portion 300 includes a first bushing 310, a second bushing 320, and a plug 330.

The first bushing 310 is disposed between the top end of the inner and outer conducting pipes 130 and the top end of the outer water inlet pipe 200.

The plug 330 is used for positioning and sealing the top end of the inner water inlet pipe 100 and the top end of the outer water inlet pipe 200.

The second bushing 320 is disposed between the inner sleeve 120 and the outer water inlet pipe 200, and is used to ensure the sealing between the inner sleeve 120 and the outer water inlet pipe 200.

Specifically, the first bushing 310 includes a fourth retainer ring 311 and a first bushing body 312. The first bushing body 312 is coaxially connected to the fourth retainer ring 311.

Specifically, the plug 330 includes a first limit ring 331, a second limit ring 332, and a plug body 333. The first limiting ring 331, the second limiting ring 332 and the plug body 333 are coaxially connected in sequence.

Specifically, the second bushing 320 includes a third retainer ring 321 and a second bushing body 322. The third limiting ring 321 is coaxially connected with the second bushing body 322.

In the present embodiment, as shown in fig. 1, 2 and 3, the plug body 333 is inserted into the top end of the inner and outer conduction pipes 130, and the first stopper ring 331 abuts against the top end of the water inlet outer pipe 200, so as to seal the water inlet outer pipe 200 and position the positional relationship therebetween. One side of the second limit ring 332 is connected to the first limit ring 331, and the other side of the second limit ring 332 abuts against one side of the fourth limit ring 311, so that the sealing and position limiting of the first bushing 310 and the plug 330 are realized. The other side of the fourth limiting ring 311 abuts against the inner and outer conduction pipes 130, the inner side of the first bushing body 312 is matched with the outer side of the inner and outer conduction pipes 130, and the outer side of the first bushing body 312 is matched with the inner side of the water inlet outer pipe 200. The inner side surface of the fourth limiting ring 311 is matched with the outer side surface of the plug body 333. The outer side surface of the second limiting ring 332 is matched with the inner side surface of the water inlet outer pipe 200. The first bushing 310 and the plug 330 are matched with the water inlet outer pipe 200 and the inner and outer conduction pipes 130, so that the water inlet outer pipe 200 and the inner and outer conduction pipes 130 are sealed.

Specifically, an annular groove 313 is formed in the first bushing 310, and a seal ring 314 is disposed in the annular groove 313. The outer side of the sealing ring 314 abuts against the outer water inlet pipe 200.

Thereby effecting a seal and positional definition between first bushing 310 and inner and outer conduit 130.

In this embodiment, as shown in fig. 1 and 3, one side surface of the third limiting ring 321 abuts against the bottom end of the outer water inlet pipe 200, and the inner side surface of the third limiting ring 321 is matched with the outer side surface of the inner sleeve 120. The inner side of the second bushing body 322 is matched with the inner sleeve 120, and the outer side of the second bushing body 322 is matched with the water inlet outer pipe 200. Thereby achieving the sealing of the outer water inlet pipe 200 and the inner water inlet pipe 120.

In the present embodiment, in order to allow water to flow out of the outer water inlet pipe 200 and into the inner tank, a plurality of water outlet holes 210 are formed in a side wall of the outer water inlet pipe 200.

In order to allow the water flowing into the outer inlet pipe 200 from the water inlet pipe 110 to pass through a long water path, and to sufficiently buffer the cold water, and then to flow out of the water outlet holes 210, the water outlet holes 210 are provided at one end of the outer inlet pipe 200, which is far from the water inlet pipe 110. Namely, the plurality of outlet holes 210 are formed at the lower end of the inlet outer pipe 200.

The water outlet holes 210 may be distributed in various ways and are formed at the lower end of the water inlet outer pipe 200.

Specifically, as shown in fig. 3, the water outlet holes 210 are uniformly distributed at the lower end of the water inlet outer pipe 200.

In this embodiment, as shown in fig. 1, the bottom end of the inner sleeve 120 is sleeved with a third bushing 340, the third bushing 340 and the inner sleeve 120 are integrally injection-molded, and the relative position between the two is ensured by the way of integral injection-molding.

In the present embodiment, as shown in fig. 6 and 7, the bottom end of the inner sleeve 120 is aligned with the bottom end surface of the third bushing 340, and the sealing rubber pad 341 abuts against the bottom end surfaces of the inner sleeve 120 and the third bushing 340.

The utility model also relates to an electric water heater, which comprises the water inlet pipe module, an inner container, and an inner container water inlet pipe 410 and a screw head 420 which are connected with the inner container.

As shown in fig. 4 and 5, the original sealing structure is that the sealing rubber pad 341 only abuts against the liner water inlet pipe 410.

The third bushing 340 is added to abut against the sealing rubber pad 341, so that the sealing contact area is increased, and the sealing effect is better.

As shown in fig. 8, the screw head 420 is inserted into the inner tube 120, and the screw head 420 is clearance-fitted to the inner tube 120. The water inlet pipe module and the screw head 420 are arranged in a split mode, and flexible selection of whether the electric water heater has the electricity-proof wall function or not can be achieved according to the personalized requirements of customers in the design process.

In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (10)

1. A water intake riser module, comprising:

the side wall of the upper end of the water inlet inner pipe is provided with a plurality of conducting holes, and the bottom end of the water inlet inner pipe is provided with a water inlet;

the end, far away from the through hole, of the water inlet outer pipe is provided with a plurality of water outlet holes;

a sealing part;

the water inlet outer pipe is sleeved outside the water inlet inner pipe, and the sealing part is used for sealing the water inlet inner pipe and the water inlet outer pipe.

2. The inlet manifold module of claim 1, wherein the inlet manifold comprises:

an inner sleeve;

the inner and outer conduction pipes are provided with a plurality of conduction holes;

wherein, the inner sleeve is communicated with the inner and outer conduction pipes.

3. The water intake riser module of claim 1, wherein the seal comprises a first liner, a second liner, and a plug; the first bushing is arranged between the top end of the water inlet inner pipe and the top end of the water inlet outer pipe; the second bushing is arranged between the bottom end of the water inlet outer pipe and the water inlet inner pipe; the plug is used for positioning and sealing the top end of the water inlet inner pipe and the top end of the water inlet outer pipe.

4. The water inlet pipe module as claimed in claim 3, wherein the plug comprises a first limiting ring, a second limiting ring and a plug body, the first limiting ring and the second limiting ring are connected with the plug body, the first limiting ring abuts against the top end of the water inlet outer pipe, the second limiting ring abuts against the end face of the first bushing, and the plug body is inserted into the water inlet inner pipe.

5. The water inlet pipe module of claim 3, wherein the second bushing comprises a third limiting ring and a second bushing body, the third limiting ring is connected with the second bushing body, the third limiting ring abuts against the bottom end of the water inlet outer pipe, and the second bushing body is arranged between the bottom end of the water inlet outer pipe and the water inlet inner pipe.

6. The water inlet pipe module as claimed in claim 3, wherein the first bushing comprises a fourth limiting ring and a first bushing body, the fourth limiting ring is connected with the first bushing body, one end face of the fourth limiting ring abuts against the top end of the water inlet inner pipe, and the other end face of the fourth limiting ring abuts against the plug; an annular groove is formed in the first bushing, a sealing ring is arranged in the annular groove, and the sealing ring abuts against the water inlet outer pipe.

7. The water intake riser module of claim 1 further comprising a third liner disposed about the bottom end of the inner water intake tube.

8. The water inlet pipe module as claimed in claim 7, further comprising a sealing rubber gasket, wherein the water inlet inner pipe is aligned with the bottom end face of the third bushing, and the sealing rubber gasket is abutted against the water inlet inner pipe and the bottom end face of the third bushing.

9. The inlet pipe module of claim 7, wherein the inlet pipe is integrally injection molded with the third bushing.

10. An electric water heater, characterized in that, includes inner bag and the intake pipe module of any one of claims 7-9, be provided with inner bag inlet tube and spiral shell head on the inner bag, inner bag inlet tube suit is in the third bush is outside, inner bag inlet tube and third liner pipe interference fit, the spiral shell head inserts in the intake inner tube, spiral shell head and intake inner tube clearance fit.

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