CN217464895U

CN217464895U - Water inlet assembly and electric water heater with same

Info

Publication number: CN217464895U
Application number: CN202221155694.2U
Authority: CN
Inventors: 罗潘; 蒲俊程; 杨亮谋
Original assignee: Guangdong Macro Gas Appliance Co Ltd
Current assignee: Guangdong Macro Gas Appliance Co Ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-09-20
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a subassembly and have its electric water heater intakes, include: the water inlet pipe assembly and the water retaining sleeve penetrate through a water inlet nozzle of the inner container of the electric water heater; the water inlet pipe assembly includes: the water inlet joint is arranged on the water inlet joint, the upper end of the water inlet joint is sealed, and a plurality of inner-layer water outlet holes are formed in the side wall of the water inlet pipe; the water retaining sleeve is sleeved on the water inlet pipe, a gap is reserved between the water retaining sleeve and the water inlet pipe, the upper end of the water retaining sleeve is arranged in a closed mode, a plurality of outer-layer water outlet holes are formed in the water retaining sleeve, and the inner-layer water outlet holes and the outer-layer water outlet holes are arranged in a staggered mode; the water inlet device is characterized in that the bottom of the water inlet nozzle is provided with an installation step, the bottom of the water retaining sleeve is provided with a flange matched with the installation step, and the flange is pressed and fixed on the water inlet nozzle by the water inlet connector. Effectively avoid manger plate sheathed tube to warp, ensure that manger plate sheathed tube can take out from the water inlet tap all the time, the part is maintained, is changed conveniently.

Description

Water inlet assembly and electric water heater with same

Technical Field

The utility model relates to a hot water equipment technical field especially relates to a subassembly and have its electric water heater of intaking.

Background

In order to improve the hot water output rate of the water heater, the water flow entering the water heater needs to be treated by slow flow, and the prior technical scheme is basically divided into the following two types: one is to add a water retaining cap on the water inlet pipe, and the other is to add a water retaining plate. The water retaining structure is provided with two parts, namely a water retaining cap (or a water retaining plate) and a fixing column capable of fixing the water retaining cap (or the water retaining plate), and the water retaining structure needs to be installed in a disassembled mode, is complex to install and is high in cost.

The literature search finds that the closest to the scheme of the present application is the chinese utility model patent with publication number CN202209777U, which discloses a water inlet pipe assembly of a water heater, comprising: a water inlet pipe connecting part, the interior of which is provided with a circulation hole; the first flow guide part is provided with a first open end at one end, the first open end is connected with the water inlet pipe connecting part, the other end is a first closed end, an accommodating space communicated with the circulation hole is formed inside the first flow guide part, and a plurality of flow guide holes are formed in the side wall of the first flow guide part; further comprising: the suit is in the outside second water conservancy diversion portion of first water conservancy diversion portion, second water conservancy diversion portion has second open end and second blind end be provided with a plurality of guiding gutters on the lateral wall of second water conservancy diversion portion, the surface of first water conservancy diversion portion with drainage clearance has between the internal surface of second water conservancy diversion portion, a plurality of water conservancy diversion holes with a plurality of guiding gutters are crisscross to be set up. The flow rate of cold water entering the water tank is reduced, so that the mixing speed of the cold water and the hot water is reduced, and the utilization rate of the hot water is improved.

Although the water inlet pipe assembly disclosed in the above-mentioned prior patent application can solve the too fast problem of the velocity of flow of intaking well, nevertheless because the bottom of second water conservancy diversion portion is unsettled setting, and a plurality of water conservancy diversion holes and a plurality of guiding gutter crisscross setting, it is easy to lead to second water conservancy diversion portion to appear deformation to impact down or other factors influence under long-time high-pressure rivers, thereby make second water conservancy diversion portion can not take out from the water inlet nozzle of inner bag, and need maintain through the installing port of inner bag lateral part, the maintenance of part is changed inconveniently.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a can satisfy hot water output rate requirement, and the part is maintained, is changed simple and convenient subassembly of intaking more.

Another object of the present invention is to provide an electric water heater having the above water inlet assembly.

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

A water intake assembly comprising: the water inlet pipe assembly and the water retaining sleeve penetrate through a water inlet nozzle of the inner container of the electric water heater; the water inlet pipe assembly includes: the water inlet joint is arranged on the water inlet joint, the upper end of the water inlet joint is sealed, and a plurality of inner-layer water outlet holes are formed in the side wall of the water inlet pipe; the water retaining sleeve is sleeved on the water inlet pipe, a gap is reserved between the water retaining sleeve and the water inlet pipe, the upper end of the water retaining sleeve is arranged in a closed mode, a plurality of outer-layer water outlet holes are formed in the water retaining sleeve, and the inner-layer water outlet holes and the outer-layer water outlet holes are arranged in a staggered mode; the water inlet device is characterized in that the bottom of the water inlet nozzle is provided with an installation step, the bottom of the water retaining sleeve is provided with a flange matched with the installation step, and the flange is pressed and fixed on the water inlet nozzle by the water inlet connector.

More preferably, the inner layer water outlet hole and the outer layer water outlet hole are partially overlapped.

More preferably, the outer apopore with the inner apopore one-to-one sets up, outer apopore with correspond the size difference of inner apopore.

More preferably, the water outlet holes of the inner layer are uniformly distributed along the axial direction and the circumferential direction of the water inlet pipe; the outer-layer water outlets are uniformly distributed along the axial direction and the circumferential direction of the water retaining sleeve.

More preferably, the number of the outer layer water outlet holes is different from that of the inner layer water outlet holes.

More preferably, the inner layer water outlet and the outer layer water outlet are circular, elliptical or irregular arc-shaped.

More preferably, the outer wall of the water retaining sleeve is in interference fit with the inner wall of the water inlet nozzle of the liner of the electric water heater.

More preferably, a sealing gasket is arranged between the water inlet joint and the water inlet nozzle and between the water retaining sleeve and the water inlet joint.

More preferably, a water inlet channel communicated with the water inlet pipe is arranged in the water inlet joint, and an external thread is arranged at one end, far away from the water inlet pipe, of the water inlet joint.

More preferably, a plug for closing the water inlet pipe is arranged at the upper end of the water inlet pipe.

More preferably, the water blocking sleeve is a hydrophilic member.

An electric water heater comprises an inner container, wherein the water inlet assembly is arranged on the inner container.

The beneficial effects of the utility model are that.

The water inlet nozzle is characterized in that an installation step is arranged at the bottom of the water inlet nozzle, and a flange matched with the installation step is arranged at the bottom of the water retaining sleeve, so that the water retaining sleeve can be limited, the deformation of the water retaining sleeve is effectively avoided, the water retaining sleeve can be taken out from the water inlet nozzle all the time, and parts are convenient to maintain and replace.

Secondly, because the water outlet holes on the inner layer and the outer layer are partially overlapped, the water pressure impact force borne by the water retaining sleeve can be effectively reduced, and the water retaining sleeve has a better anti-deformation effect; after the water flows through the inner and outer water outlet holes, the direction of the water flow is changed, and the spraying angle of the water flow is approximately horizontal or slightly upward; and meanwhile, the water inflow is slowed down, the hot water output is improved, the hot water output rate can be improved from 65% to 77% through actual measurement, the product cost is reduced, the maintenance is ensured to be convenient, and meanwhile, the requirement of the hot water output rate is met.

Drawings

Fig. 1 is an exploded view of the water inlet assembly according to the present invention.

Fig. 2 shows a water inlet pipe assembly structure diagram of the water inlet assembly provided by the present invention.

Fig. 3 is a cross-sectional view of the water inlet assembly provided by the present invention.

Fig. 4 is a partially enlarged view of fig. 3.

Fig. 5 is a schematic view of the water flow of the water inlet assembly provided by the present invention.

Fig. 6 is a front view of the water inlet assembly provided by the present invention.

Fig. 7 is a partial cross-sectional view of the electric water heater provided by the present invention.

Reference numerals indicate the same.

1: water inlet pipe assembly, 2: water retaining sleeve, 3: water inlet nozzle, 4: an inner container.

11: inlet tube, 12: plug, 13: gasket, 14: water inlet joint, 21: rib, 31: and (5) mounting a step.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. First feature "above", "below" and "under" second feature may include first feature being directly below or obliquely below the second feature, or merely indicating that the first feature is at a lower level than the second feature.

The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary by referring to the drawings, are intended to explain the present invention, and should not be construed as limiting the present invention.

Example 1.

As shown in fig. 1 to 6, a water inlet assembly includes: a water inlet pipe component 1 and a water retaining sleeve 2 penetrate through a water inlet nozzle 3 of the inner container of the electric water heater; the water inlet pipe assembly 1 includes: water supply connector 14 with install water supply connector 14 is last, the upper end seals the inlet tube 11 that sets up be equipped with a plurality of inlayer apopores on the lateral wall of

inlet tube

11, 2 covers of manger plate sleeve pipe are established on the inlet tube and with leave the clearance between the inlet tube 11, the upper end of manger plate sleeve pipe 2 seals the setting be equipped with a plurality of outer apopores on the manger plate sleeve pipe 2, the inlayer apopore with outer apopore sets up for the dislocation, and the setting can be set up or stagger completely for the part overlaps to the dislocation set mode, realizes through size, quantity, the position that sets up the hole. The bottom of the water inlet nozzle 3 is provided with an installation step 31, the bottom of the water retaining sleeve 2 is provided with a flange 21 matched with the installation step, and the flange 21 is pressed and fixed on the water inlet nozzle 3 by the water inlet connector 14. Like this, during in-service use, when rivers got into the water heater, the direction of intaking is shown in fig. 4, and rivers get into the inlet tube through the subassembly of intaking, and rivers pass the inlayer apopore of inlet tube and the sheathed tube outer apopore of manger plate in proper order, get into the inner bag, and what changed is the rivers direction. When no outer apopore exists, the water flow is sprayed upwards in an inclined way, and after the outer apopore is added, because the inner apopore and the outer apopore are overlapped, the water flow spraying angle is changed into approximate level or the level is slightly upwards. The hot water output rate can be increased from 65% to 77% by actual measurement, and the hot water output rate requirement is met while the product cost is reduced; the installation step is arranged at the bottom of the water inlet nozzle, and the flange matched with the installation step is arranged at the bottom of the water retaining sleeve, so that the water retaining sleeve can be limited, the deformation of the water retaining sleeve is effectively avoided, the water retaining sleeve can be taken out from the water inlet nozzle all the time, and the parts are convenient to maintain and replace.

In this embodiment, the inner layer outlet hole and the outer layer outlet hole are partially overlapped. The outer apopore with the inlayer apopore one-to-one sets up, outer apopore with correspond the inlayer apopore variation in size. The water outlet holes of the inner layer are uniformly distributed along the axial direction and the circumferential direction of the water inlet pipe 11; the outer layer water outlets are uniformly distributed along the axial direction and the circumferential direction of the water retaining sleeve 2. In other embodiments, the number of the outer layer water outlet holes and the number of the inner layer water outlet holes are different. The partial overlapping arrangement can be realized by adjusting the size, the number and the position of the water outlet holes on the inner layer and the outer layer, and is not limited to the embodiment.

In order to further effectively change the water flow direction, the inner-layer water outlet hole and the outer-layer water outlet hole are circular, elliptical or irregular arc-shaped. Thus, the annular blocking is arranged between the water outlet holes of the inner layer and the outer layer, and the water flow spraying angle is approximately horizontal.

It should be noted that the water inlet pipe assembly 1 further includes: a water inlet joint 14 for mounting the water inlet pipe; the water inlet joint 14 is connected with a water inlet nozzle 3 of an inner container of the electric water heater through internal threads, and the water retaining sleeve 2 is assembled on the inner side of the water inlet nozzle 3 in an interference manner. Thus, the effect of preventing the deformation of the water blocking sleeve 2 is more excellent.

Furthermore, a sealing gasket 13 is arranged between the water inlet joint 14 and the water inlet nozzle 3 and between the water retaining sleeve 2, so that water leakage is avoided. And a plug 12 is arranged at the upper end of the water inlet pipe 11 for plugging.

A water inlet channel communicated with the water inlet pipe 11 is arranged in the water inlet joint 14, and an external thread is arranged at one end, far away from the water inlet pipe 11, of the water inlet joint 14. The external thread is arranged to facilitate the water inlet joint to be connected with an external pipeline for water inlet.

The water retaining sleeve 2 is a hydrophilic part, namely a PA part or a PPR part with better hydrophilicity.

Example 2.

As shown in fig. 7, the electric water heater comprises an inner container 4, and a water inlet component is arranged on the inner container 4, and is characterized in that the water inlet component is the water inlet component in embodiment 1.

The electric water heater provided by the embodiment has all the advantages of the embodiment 1, and as for the specific structure of the electric water heater, the existing or future structure can be adopted, and the details are not repeated herein.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims

1. A water intake assembly comprising: the water inlet pipe assembly and the water retaining sleeve penetrate through a water inlet nozzle of the inner container of the electric water heater; the water inlet pipe assembly includes: the water inlet joint is arranged on the water inlet joint, the upper end of the water inlet joint is sealed, and a plurality of inner-layer water outlet holes are formed in the side wall of the water inlet pipe; the water retaining sleeve is sleeved on the water inlet pipe, a gap is reserved between the water retaining sleeve and the water inlet pipe, the upper end of the water retaining sleeve is arranged in a closed mode, a plurality of outer-layer water outlet holes are formed in the water retaining sleeve, and the inner-layer water outlet holes and the outer-layer water outlet holes are arranged in a staggered mode; the water inlet device is characterized in that the bottom of the water inlet nozzle is provided with an installation step, the bottom of the water retaining sleeve is provided with a flange matched with the installation step, and the flange is pressed and fixed on the water inlet nozzle by the water inlet connector.

2. The water intake assembly of claim 1, wherein the inner outlet and the outer outlet are partially overlapped.

3. The water inlet assembly of claim 2, wherein the outer outlet holes and the inner outlet holes are arranged in a one-to-one correspondence, and the outer outlet holes and the corresponding inner outlet holes are different in size.

4. The water inlet assembly of claim 2, wherein the number of outlet holes in the outer layer is different from the number of outlet holes in the inner layer.

5. The water inlet assembly of claim 1, wherein the water outlet holes of the inner layer are uniformly distributed along the axial direction and the circumferential direction of the water inlet pipe; the outer-layer water outlets are uniformly distributed along the axial direction and the circumferential direction of the water retaining sleeve.

6. The water inlet assembly of claim 1, wherein the inner layer outlet hole and the outer layer outlet hole are circular, elliptical or irregular circular arcs.

7. The water inlet assembly of claim 1, wherein the water retaining sleeve has an interference fit between an outer wall thereof and an inner wall of the water inlet nozzle.

8. The water intake assembly of claim 7, wherein a gasket is disposed between the water intake connector and the water intake nozzle and the water retaining sleeve.

9. A water inlet assembly according to claim 1 wherein a plug is provided at the upper end of the water inlet pipe for closing the water inlet pipe.

10. An electric water heater, which comprises an inner container, and is characterized in that the inner container is provided with a water inlet component as claimed in any one of claims 1 to 9.