CN219868524U - Water outlet mechanism and electric water heater - Google Patents

Abstract

The utility model discloses a water outlet mechanism and an electric water heater, wherein the water outlet mechanism comprises a water outlet pipe, the water outlet pipe is arranged in a liner, the water outlet pipe is provided with a water outlet end and a connecting end, the connecting end of the water outlet pipe is connected with the liner, the water outlet end of the water outlet pipe is provided with a curled edge structure, the curled edge structure is provided with a smooth outer wall surface, the water outlet pipe is provided with a water outlet and an auxiliary water outlet structure, and hot water in the liner can enter the water outlet pipe through the water outlet and the auxiliary water outlet structure. According to the water outlet mechanism, the hemming structure is arranged at the water outlet end of the water outlet pipe, the hemming structure increases the size of the water outlet end, the end face of the water outlet end becomes smooth, and the smooth outer wall surface of the hemming structure is not easy to scratch the coating on the inner wall even contacting with the inner wall of the liner. The auxiliary water outlet structure is arranged on the water outlet pipe, so that the water outlet is blocked too close to the inner wall surface of the liner, water cannot be normally discharged, and the water outlet pipe can normally discharge water through the auxiliary water outlet structure.

Description

Water outlet mechanism and electric water heater

Technical Field

The utility model relates to the technical field of household appliances, in particular to a water outlet mechanism and an electric water heater.

Background

The electric water heater is the most commonly used household appliance, and according to the material of inner bag, electric water heater's inlet tube and outlet pipe have different mounting means, to the nonmetallic inner bag, the business turn over water pipe generally adopts the mode of side to side.

The water outlet pipe is used for guiding the heated hot water in the inner container out of the inner container, and a water outlet formed on the water outlet pipe for the inflow of the hot water needs to be moved upwards possibly in view of the upward flowing property of the hot water in the inner container so as to avoid that cold water enters the water outlet pipe to cause the water outlet temperature of the electric water heater to be suddenly high or suddenly low. However, the water outlet end of the water outlet pipe is smaller than the top distance of the liner, so that the liner is scratched by the water outlet end of the water outlet pipe and the problem that water outlet cannot be normally realized due to too close distance between the water outlet pipe and the liner.

Therefore, how to provide an electric water heater capable of overcoming the above-mentioned drawbacks is a technical problem that needs to be solved.

Disclosure of Invention

The first object of the present utility model is to provide a water outlet mechanism, which is not easy to scratch the inner wall of the liner, and the water outlet smoothness of the water outlet mechanism is high.

The second object of the present utility model is to provide an electric water heater, in which the liner is not easily scratched, the service life is long, and the water outlet is smooth.

To achieve the purpose, the utility model adopts the following technical scheme:

a water outlet mechanism comprising: the water outlet pipe, the outlet pipe sets up in the inner bag, the outlet pipe has water outlet end and link, the link of outlet pipe with the inner bag is connected, the water outlet end of outlet pipe is equipped with the turn-up structure, the turn-up structure has smooth outer wall, be provided with delivery port and auxiliary water outlet structure on the outlet pipe, through the delivery port with auxiliary water outlet structure makes hot water in the inner bag can get into the outlet pipe.

Preferably, the auxiliary water outlet structure comprises an auxiliary water outlet hole arranged on the side wall of the water outlet pipe.

Preferably, the auxiliary water outlet structure comprises a notch arranged at the water outlet end of the water outlet pipe.

Preferably, the auxiliary water outlet structure comprises an auxiliary water pipe arranged on the side wall of the water outlet pipe, the auxiliary water pipe is provided with an auxiliary water port, and the height of the auxiliary water port is smaller than that of the water outlet.

Preferably, the auxiliary water pipes are multiple in number, and the auxiliary water pipes are arranged around the circumference of the water outlet pipe in a mixed mode and are radially arranged.

Preferably, the hemming structure is sleeved with a scratch-proof sleeve.

Preferably, the water outlet pipe is sleeved with a water purifying sleeve, a storage space is formed between the inner wall surface of the water purifying sleeve and the outer wall surface of the water outlet pipe, water purifying substances are placed in the storage space, and water passing holes are formed in the water purifying sleeve in a penetrating mode.

Preferably, the water outlet pipe comprises a first straight pipe, a curved pipe and a second straight pipe which are sequentially connected, one end of the first straight pipe, which is far away from the curved pipe, is a connecting end of the water outlet pipe, and one end of the second straight pipe, which is far away from the curved pipe, is a water outlet end of the water outlet pipe.

Preferably, the central angle of the curve pipe is smaller than 90 degrees.

An electric water heater comprises an inner container, a flange and a water outlet mechanism, wherein one side of the inner container is provided with a side mounting part, the flange is mounted on the side mounting part, and the connecting end of the water outlet pipe is connected with the flange.

The utility model has the beneficial effects that:

the water outlet mechanism comprises a water outlet pipe, wherein the water outlet pipe is arranged in the inner container, the water outlet pipe is provided with a water outlet end and a connecting end, the connecting end of the water outlet pipe is connected with the inner container, the water outlet end of the water outlet pipe is provided with a curled edge structure, the curled edge structure is provided with a smooth outer wall surface, the water outlet pipe is provided with a water outlet and an auxiliary water outlet structure, and hot water in the inner container can enter the water outlet pipe through the water outlet and the auxiliary water outlet structure. According to the water outlet mechanism, the hemming structure is arranged at the water outlet end of the water outlet pipe, the hemming structure increases the size of the water outlet end, the end face of the water outlet end becomes smooth, and the smooth outer wall surface of the hemming structure is not easy to scratch the coating on the inner wall even contacting with the inner wall of the liner. The auxiliary water outlet structure is arranged on the water outlet pipe, so that the water outlet is blocked too close to the inner wall surface of the liner, water cannot be normally discharged, and the water outlet pipe can normally discharge water through the auxiliary water outlet structure.

Drawings

Fig. 1 is a schematic diagram of an electric water heater according to an embodiment of the present utility model;

fig. 2 is a cross-sectional view of an electric water heater according to an embodiment of the present utility model;

fig. 3 is a schematic view of a structure of the electric water heater provided by the embodiment of the utility model in the liner under a certain view angle;

fig. 4 is a schematic view of a structure of the electric water heater provided by the embodiment of the utility model in the liner under another view angle;

fig. 5 is a schematic view of an inner part structure of an electric water heater according to an embodiment of the present utility model;

FIG. 6 is a cross-sectional view of the structure shown in FIG. 5;

FIG. 7 is an enlarged view of portion A of FIG. 6;

FIG. 8 is a schematic view of a positioning connection structure according to an embodiment of the present utility model;

FIG. 9 is a cross-sectional view of a positioning connection structure provided by an embodiment of the present utility model;

FIG. 10 is a schematic view of a first connecting pipe in a positioning connection structure according to an embodiment of the present utility model;

FIG. 11 is a cross-sectional view of a first connection tube in a positioning connection structure provided by an embodiment of the present utility model;

FIG. 12 is a schematic view of a second connecting tube in the positioning connection structure according to the embodiment of the present utility model;

FIG. 13 is a cross-sectional view of a second connection tube in a positioning connection structure provided by an embodiment of the present utility model;

FIG. 14 is a schematic view of a water outlet pipe according to an embodiment of the present utility model;

FIG. 15 is an enlarged view of portion B of FIG. 14;

FIG. 16 is a first schematic view of an auxiliary water outlet structure according to an embodiment of the present utility model;

FIG. 17 is a second schematic view of an auxiliary water outlet structure according to an embodiment of the present utility model;

FIG. 18 is a third schematic view of an auxiliary water outlet structure according to an embodiment of the present utility model;

FIG. 19 is a schematic view of a water outlet pipe and a water purifying sleeve provided by an embodiment of the present utility model;

fig. 20 is a cross-sectional view of a water outlet pipe and a water purifying sleeve provided in an embodiment of the present utility model;

FIG. 21 is a schematic view of a water inlet pipe and water purification mechanism provided by an embodiment of the present utility model;

fig. 22 is a partial cross-sectional view of a water inlet pipe and a water purification mechanism provided by an embodiment of the present utility model.

In the figure:

100. an inner container; 110. a side mounting portion; 120. an inner cavity;

200. a flange; 210. a first mounting sleeve; 220. a second mounting sleeve;

300. heating pipes;

400. a water inlet pipe; 401. a side inlet;

500. a water outlet pipe; 510. positioning the annular edge; 520. a hemming structure; 530. auxiliary water outlet holes; 540. a notch; 550. an auxiliary water pipe;

600. positioning connection structure;

610. a first connection pipe; 611. a second positioning annulus; 612. a third positioning annulus; 613. a first reinforcing rib; 614. a second reinforcing rib; 615. a first tube hole; 616. a second tube hole; 617. the limit clamp is convex; 618. marking the notch; 619. sealing ring grooves;

620. a second connection pipe; 621. a threaded column; 622. a screw cap;

630. a first seal ring; 640. a second seal ring;

700. a water purifying mechanism; 701. a water permeable hole; 710. a water purifying body; 711. positioning a base; 7111. an annular reinforcing plate; 712. a cylinder; 713. a top cover; 720. a water retaining cap; 721. a stud; 730. a spring retainer ring;

800. a water purifying sleeve; 801. a water passing hole; 802. plugging the supporting seat;

910. a water inlet assembly; 920. a water outlet assembly; 930. and (5) clamping the clamp.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The present utility model provides a water outlet mechanism which can be used in an electric water heater to lead out hot water in a liner 100. Of course, the water outlet structure can be used for other water using equipment according to the requirements besides the inside and outside of the electric water heater, and is not specifically shown here. The following description will be made by taking a water outlet structure for an electric water heater as an example.

Specifically, as shown in fig. 2 to 6 and 14 to 20, the water outlet mechanism includes a water outlet pipe 500, the water outlet pipe 500 is disposed in the liner 100, the water outlet pipe 500 has a water outlet end and a connection end, the connection end of the water outlet pipe 500 is connected with the liner 100, the water outlet end of the water outlet pipe 500 is provided with a curled structure 520, the curled structure 520 has a smooth outer wall surface, the water outlet pipe 500 is provided with a water outlet and an auxiliary water outlet structure, and hot water in the liner 100 can enter the water outlet pipe 500 through the water outlet and the auxiliary water outlet structure.

Since the water in the inner container 100 is heated and then rises and gathers in the upper portion of the inner container 100, in order to make the hot water enter the water outlet pipe 500 through the water outlet as much as possible, the water outlet end of the water outlet pipe 500 is generally close to the highest position of the inner container 100 as much as possible, but the water outlet end of the water outlet pipe 500 is easily scratched with the inner wall of the inner container 100, thereby damaging the inner container 100. The water outlet mechanism of this embodiment is provided with the curled edge structure 520 at the water outlet end of the water outlet pipe 500, and the curled edge structure 520 increases the size of the water outlet end, so that the end face of the water outlet end becomes smooth, no sharp corner is provided, and the smooth outer wall surface of the curled edge structure is not easy to scratch the coating on the inner wall even contacting with the inner wall of the inner container.

And because the water outlet end of the water outlet pipe 500 is too close to the inner wall of the liner 100 and is easy to cause water outlet abnormality, the water outlet mechanism of the embodiment is provided with an auxiliary water outlet structure on the water outlet pipe, the water outlet is blocked and can not normally outlet water due to too close to the inner wall surface of the liner, the auxiliary water outlet structure can assist the water outlet pipe to realize normal water outlet, and the water outlet pipe smoothly discharges water to enable the water outlet rate to meet the user requirements.

In some embodiments, as shown in fig. 16, the auxiliary water outlet structure includes an auxiliary water outlet hole 530 provided on a sidewall of the water outlet pipe 500. Optionally, the auxiliary water outlet 530 is a regular hole such as a round hole or a square hole penetrating through the sidewall of the water outlet 500, or an irregular hole, the number of the auxiliary water outlet 530 may be one or more according to the requirement, the plurality of auxiliary water outlets 530 are circumferentially spaced along the water outlet 500, and the distance between the auxiliary water outlet 530 and the water outlet is not easily too large, so as to avoid water with a low temperature from entering the water outlet 500 through the auxiliary water outlet 530.

In some embodiments, as shown in fig. 17, the auxiliary water outlet structure is a notch 540 provided at the water outlet end of the water outlet pipe 500. The notch 540 makes the water outlet uneven, and even if the water outlet end of the water outlet pipe 500 abuts against the inner wall of the liner 100, a gap is still left for water inflow. In some embodiments, the number of indentations 540 is a plurality, and a plurality of indentations 540 are disposed around the water outlet. In some embodiments, the side view of the notch 540 is semicircular, the top view of the notch 540 is elliptical, and the edges of the notch 540 are rounded to avoid scratching the inner wall of the liner 100.

In some embodiments, as shown in fig. 18, the auxiliary water outlet structure is an auxiliary water pipe 550 provided on a sidewall of the water outlet pipe 500, the auxiliary water pipe 550 is communicated with the water outlet pipe 500, the auxiliary water pipe 550 has an auxiliary water port, and the height of the auxiliary water port is smaller than that of the water outlet. In some specific embodiments, the end of the auxiliary water pipe 550 is likewise crimped. In some embodiments, the number of auxiliary water pipes 550 is plural, and the plurality of auxiliary water pipes 550 are disposed around the circumference of the water outlet pipe 500 and are arranged radially. The water outlet efficiency is further improved by the arrangement.

It should be noted that, according to the requirement, the auxiliary water outlet structure may be one or more of the auxiliary water outlet 530, the notch 540 and the auxiliary water pipe 550, so as to further improve the water outlet smoothness.

In some embodiments, the hemming structure 520 is sheathed with a scratch resistant sleeve. Optionally, the scratch-proof sleeve is a rubber sleeve with flexible, high temperature resistant and corrosion resistant properties. The scratch-proof sleeve can protect the hemming structure 520, and the water outlet end of the water outlet pipe 500 is less prone to scratch the inner wall surface of the liner 100.

In some embodiments, the water outlet pipe 500 is sleeved with the water purifying sleeve 800, a storage space is formed between the inner wall surface of the water purifying sleeve 800 and the outer wall surface of the water outlet pipe 500, a water passing hole 801 is formed in the water purifying sleeve 800 in a penetrating manner. Through setting up water purification sleeve 800, can improve purifying the hot water that is located the hot water layer of inner bag 100, improve out water quality, satisfy user's demand.

Because of the variety of water purification materials for improving water quality, different water purification materials can improve water quality from different aspects, for example, the water purification materials can be scale inhibitors, ores or chlorine scavengers, etc., and can realize the functions of scale inhibition, mineralization, chlorine removal, etc. And since different water purification substances are adapted to function at different temperatures, the water purification cartridge 800 is at a higher temperature and is adapted to store water purification substances adapted to function at lower temperatures.

In some embodiments, as shown in fig. 20, a plugging support seat 802 is further disposed between the water purifying sleeve 800 and the water outlet pipe 500, the plugging support seat 802 is sleeved on the water outlet pipe 500, and plugs between the water outlet pipe 500 and the water purifying sleeve 800, so that the purpose of plugging an opening at one end of the storage space is achieved besides ensuring that the water purifying sleeve 800 and the water outlet pipe 500 are coaxially sleeved. One or two plugging support seats 802 can be arranged according to requirements, and the two plugging support seats 802 can respectively plug annular openings at two ends of the storage space.

In some embodiments, a plurality of dividing baffles (not shown) are disposed in the storage space, so as to divide the storage space into a plurality of sub-spaces disposed at intervals, and different sub-spaces can be used for placing different water purifying substances. This can increase the kinds of water purifying substances that can be contained in the water purifying cartridge 800.

In some embodiments, outlet pipe 500 is a curved pipe. In some specific embodiments, the water outlet pipe 500 includes a first straight pipe, a curved pipe, and a second straight pipe connected in sequence, where an end of the first straight pipe away from the curved pipe is a connection end of the water outlet pipe 500, and an end of the second straight pipe away from the curved pipe is a water outlet end of the water outlet pipe 500. The water outlet pipe 500 is simple in structure, easy to assemble with the liner 100, and capable of enabling the water inlet to be closer to the top of the liner 100.

In some specific embodiments, the radius angle of the curved tube is less than 90 °. The arrangement is such that when the first straight pipe is horizontally installed in the inner chamber 110 of the liner 100, the second straight pipe can be extended in an obliquely upward direction, so that the water outlet pipe 500 is easier to be discharged.

The utility model provides an electric water heater which is a water storage type water heater and a side inlet and side outlet water heater. As shown in fig. 1 to 22, the electric water heater includes a liner 100, a flange 200, a heating pipe 300, a water inlet pipe 400, and a water outlet pipe 500. The inner container 100 has an inner cavity 120, the inner cavity 120 is used for storing water and accommodating the heating pipe 300, the water inlet pipe 400, the water outlet pipe 500 and the like, one side of the inner container 100 (the left side or the right side of the inner container 100 in the installation state of the electric water heater) has a side installation part 110, and the flange 200 is detachably connected to the side installation part 110. In some embodiments, the liner 100 is a non-metallic liner, such as a plastic liner or a crystal liner.

The flange 200 is used for integrally mounting the heating pipe 300, the water inlet pipe 400, the water outlet pipe 500, and the like to the side mounting portion 110 of the liner 100. The flange 200 is in a disc-shaped structure, in some embodiments, the flange 200 is a disc member, the side mounting portion 110 is an annular boss, a plurality of first mounting holes are circumferentially formed in the annular boss, a plurality of second mounting holes are circumferentially formed in the flange 200, and a plurality of connecting pieces are used to pass through the first mounting holes and the second mounting holes so as to realize detachable connection between the flange 200 and the side mounting portion 110. Of course, the detachable connection of the flange 200 and the side mounting portion 110 may be implemented in other manners, which are not limited herein.

In some embodiments, in order to limit the angle at which the flange 200 is mounted to the side mounting portion 110, thereby ensuring that the structure on the flange 200 has a fixed mounting position and mounting angle after being mounted to the liner 100, fool-proof structures may be provided on the flange 200 and the side mounting portion 110, and the fool-proof structures may be the cooperation of positioning holes and positioning posts, i.e., positioning holes are provided on one of the flange 200 and the side mounting portion 110, and positioning holes are provided on the other, thereby achieving fool-proof. Alternatively, one pair of the first mounting hole and the second mounting hole may be formed in a specific shape, and when the flange 200 is mounted, the first mounting hole and the second mounting hole having specific shapes need to be disposed facing each other and then the connection of the connector is performed, and the specific shape is not limited as long as the shape is different from the shape of the other mounting hole. Alternatively, specific indication symbols, such as two arrows, are provided on the flange 200 and the side mounting portion 110, and when the flange 200 is mounted, it is necessary to directly place the two arrows and then connect the connectors.

With continued reference to fig. 2 to 6, one end of the heating tube 300 is connected to the flange 200, and the other end of the heating tube 300 extends substantially to the other end of the liner 100 away from the side mounting portion 110, so that the heating efficiency of the heating tube 300 can be improved. In some embodiments, the connection position of the heating pipe 300 and the flange 200 is located substantially at the middle of the flange 200, thereby providing a sufficient installation space for the installation of the water inlet pipe 400 and the water outlet pipe 500 on the flange 200. In some embodiments, the heating tube 300 is welded to the flange 200; in some other embodiments, the heating tube 300 is removably coupled to the flange 200 by, but not limited to, a threaded connection, a bayonet connection, or the like.

In some embodiments, the heating tube 300 is an annular tube, with both free ends of the annular tube being connected to the flange 200. In some more specific embodiments, the heating tube 300 is a U-shaped tube, i.e., the heating tube 300 includes a first straight tube, a curved tube, and a second straight tube connected in sequence; in some other embodiments, the heating tube 300 is a special tube, for example, the heating tube 300 includes a first curve tube, a second curve tube, and a third curve tube connected in sequence, the first curve tube and the third curve tube being disposed above each other and having the same shape; alternatively, the heating tube 300 is a combination of more curved tubes and straight tubes. The number of heating pipes 300 may be set to one or more according to the need.

With continued reference to fig. 2 to 4, the flange 200 is provided with a first hole and a second hole penetrating in the thickness direction. The first hole communicates the water inlet pipe 400 with the water inlet assembly 910, and the water inlet assembly 910 is an external tap water pipe, so that tap water in the tap water pipe can enter the water inlet pipe 400 through the flange 200 and finally flow into the liner 100. The second hole is used for communicating the water outlet pipe 500 with the water outlet assembly 920, and the water outlet assembly 920 is an external water pipe of the electric water heater, so that the hot water heated by the heating pipe 300 in the liner 100 can enter the external water pipe through the water outlet pipe 500 and the flange 200.

To facilitate connection of the pipes, with continued reference to fig. 3, a first mounting sleeve 210 is disposed around the first hole and a second mounting sleeve 220 is disposed around the second hole on the flange 200, and the first and second mounting sleeves 210 and 220 provide more space for mounting the pipes, which is advantageous for improving mounting strength and mounting stability. In some embodiments, the first mounting sleeve 210 and the second mounting sleeve 220 are integrally formed with the main structure of the flange 200, and the first mounting sleeve 210 and the second mounting sleeve 220 are both protruding on the outer wall surface of the main structure of the flange 200; in some other embodiments, the first mounting sleeve 210, the second mounting sleeve 220 and the main structure of the flange 200 are independent structures, and the first mounting sleeve 210 and the second mounting sleeve 220 are respectively inserted into the first hole and the second hole, or the first mounting sleeve 210 and the second mounting sleeve 220 are respectively fixedly connected to the outer wall surface of the main structure of the flange 200.

With continued reference to fig. 2-6, the connection end of the outlet pipe 500 is detachably connected to the flange 200 by the positioning connection structure 600, and the opening at the connection end of the outlet pipe 500 communicates with the second hole. The positioning connection structure 600 and the flange 200 are engaged with each other and are limited to each other, so that the water outlet end of the water outlet pipe 500 is maintained in an installed state toward the highest position of the inner cavity 120 of the liner 100.

In some embodiments, as shown in fig. 2, the positioning connection structure 600 is a connection tube with a positioning structure that is threaded into the second bore and the second mounting sleeve 220. Specifically, the positioning connection structure 600 includes a first connection pipe 610, where the first connection pipe 610 may be a copper pipe or a pipe made of another material, and the first connection pipe 610 is inserted into the second mounting sleeve 220 and the second hole from outside to inside, and here, from outside to inside refers to being inserted in a direction from the outside of the liner 100 to the inner cavity 120 of the liner 100. And a first positioning ring surface is arranged on the inner wall surface of the second hole of the flange 200, a second positioning ring surface 611 is arranged on the outer wall surface of the first connecting pipe 610, and the second positioning ring surface 611 and the first positioning ring surface are mutually abutted and limited, so that the first connecting pipe 610 can not move further towards the inner cavity 120 of the liner 100.

And, the connection end of the water outlet pipe 500 is provided with a positioning annular rim 510 protruding outwards along the radial direction, the inner wall surface of the first connection pipe 610 is provided with a third positioning annular surface 612, the water outlet pipe 500 passes through the first connection pipe 610 from outside to inside, and the third positioning annular surface 612 is in spacing and abutting connection with the positioning annular rim 510, so that the water outlet pipe 500 cannot move further towards the inner cavity 120 of the liner 100. It should be noted that, because the water outlet pipe 500 is a curved pipe, in order to make the water outlet pipe 500 smoothly assembled with the first connecting pipe 610, the water outlet pipe 500 may be a splicing pipe formed by splicing a plurality of sub-pipes, the sub-pipes may be straight pipes or curved pipes, and the sub-pipes required to be connected with the first connecting pipe 610 are straight pipes, so that the problem of inconvenient installation can be solved by splicing the sub-pipes with the first connecting pipe 610 and other sub-pipes. The water outlet pipe 500 and the first connecting pipe 610 may be in interference fit, adhesive, and fixed by a connecting piece, so as to ensure that the water outlet pipe 500 and the first connecting pipe 610 do not rotate relatively after the installation is completed.

With continued reference to fig. 7-11, in some embodiments, the first connecting tube 610 includes a first tube portion and a second tube portion that are connected in a stepped manner, the outer diameter of the first tube portion is smaller than the outer diameter of the second tube portion, the second positioning annulus 611 is formed on the second tube portion, the first connecting tube 610 includes a stepped hole, the stepped hole includes a first hole 615 and a second hole 616, the aperture of the first hole 615 is smaller than the aperture of the second hole 616, the first hole 615 is formed in the first tube portion and a portion of the second tube portion, the second hole 616 is formed in the remaining second tube portion, and the stepped surface between the first hole 615 and the second hole 616 is the third positioning annulus 612.

Further, as shown with continued reference to fig. 10 and 11, the first tube portion is provided with first stiffening ribs 613, and in some embodiments, the first stiffening ribs 613 are annular ribs and are disposed circumferentially around the first tube portion. In some embodiments, the number of the first reinforcing ribs 613 is plural, and the plural first reinforcing ribs 613 are disposed at intervals on the first pipe portion. The provision of the first reinforcing ribs 613 can increase the structural strength of the first connection pipe 610, thereby facilitating the improvement of the support stability of the water outlet pipe 500.

With continued reference to fig. 10 and 11, the end of the second tube portion remote from the first tube portion is provided with a second stiffening rib 614, and in some embodiments the second stiffening rib 614 is a bar rib provided in a direction parallel to the axial direction of the second tube portion, optionally the second stiffening rib 614 is an L-shaped rib. In some embodiments, the number of the second reinforcing ribs 614 is plural, the plurality of second reinforcing ribs 614 are disposed at intervals along the circumferential direction of the second pipe portion, and the inner diameter of the forming space surrounded by the plurality of second reinforcing ribs 614 is larger than the inner diameter of the second pipe hole 616. The second reinforcing rib 614 not only can increase the structural strength of the first connection pipe 610, but also can increase the contact area between the first connection pipe 610 and the second installation sleeve 220 due to the contact with the inner wall surface of the second installation sleeve 220, thereby further improving the assembly stability of the first connection pipe 610 and the flange 200 and the support stability of the water outlet pipe 500.

In order to maintain the water outlet pipe 500 in the initial installation state, the water outlet pipe 500 is prevented from being accidentally rotated to lower the position of the water outlet pipe 500, so that insufficiently heated water is sucked, the first connecting pipe 610 is provided with a limiting clamping protrusion 617, the flange 200 is provided with a limiting clamping groove, and the limiting clamping protrusion 617 and the limiting clamping groove are clamped so that the water outlet end of the water outlet pipe 500 faces the highest point of the liner 100. Of course, in other embodiments, the positions of the limit stop protrusion 617 and the limit stop groove may be interchanged, that is, the limit stop protrusion 617 is disposed on the flange 200, and the limit stop groove is disposed on the outer wall surface of the first connection pipe 610. In some embodiments, the stop tabs 617 or stop slots are disposed on the first tube portion of the first connection tube 610 on a side of the second positioning annulus 611 adjacent to the first tube portion.

In order to indicate the position of the limit clip protrusion 617 or the limit clip groove on the first connection pipe 610, as shown in fig. 10, a mark notch 618 is provided at an end of the second reinforcement rib 614, the mark notch 618 is positioned on the same line as the limit clip protrusion 617 or the limit clip groove, and the line is parallel to the first connection pipe 610, so that the position of the limit clip protrusion 617 or the limit clip groove is determined by observing the position of the mark notch 618 when the first connection pipe 610 is installed, so that the installation angle of the first connection pipe 610 can be controlled more easily.

Further, in order to prevent the first connection pipe 610 from moving away from the inner cavity 120 of the liner 100, as shown in fig. 7 to 10, 12 and 13, the positioning connection structure 600 further includes a second connection pipe 620, where the second connection pipe 620 is disposed inside the first connection pipe 610 and outside the water outlet pipe 500, and the second connection pipe 620 is detachably connected to the first connection pipe 610. The first connecting pipe 610 can be limited by the second connecting pipe 620, so that the first connecting pipe 610 cannot move in a direction away from the inner cavity 120 of the liner 100, and the second connecting pipe 620 and the first connecting pipe 610 cooperate to clamp the positioning annular edge 510 of the water outlet pipe 500, so that the water outlet pipe 500 cannot rotate relative to the first connecting pipe 610. It should be noted that, the second connection pipe 620 is located in a space defined by the second pipe hole 616 and the plurality of second reinforcing ribs 614.

In some embodiments, a threaded structure is formed on an inner wall surface of the second tube hole 616, that is, the second tube hole 616 is a threaded hole, the second connecting tube 620 is a hexagonal bolt with a through hole formed along an axial direction, that is, the second connecting tube 620 includes a threaded post 621 and a nut 622 connected to each other, the threaded post 621 is screwed in the second tube hole 616, and the nut 622 is disposed in a space surrounded by the plurality of second reinforcing ribs 614.

With continued reference to fig. 9, a first sealing ring 630 is disposed between the first connecting pipe 610 and the second mounting sleeve 220, and a second sealing ring 640 is disposed between the second connecting pipe 620 and the first connecting pipe 610, so as to achieve the purpose of improving the tightness of the connection between the water inlet pipe 400 and the flange 200.

In some embodiments, as shown in fig. 10 and 11, a seal ring groove 619 is formed on the second pipe portion of the first connection pipe 610, and the first seal ring 630 is placed in the seal ring groove 619. In some embodiments, a serration pad and a spring washer are provided between the second connection pipe 620 and the first connection pipe 610, and the serration pad and the spring washer are provided to prevent loosening or reversing of the threads of the hexagonal bolt.

With continued reference to fig. 3 and 7, the electric water heater further includes a water inlet assembly 910 and a water outlet assembly 920 disposed outside the inner container 100, the water inlet assembly 910 is detachably connected to the first mounting sleeve 210 through a clip 930, tap water in the water inlet assembly 910 can enter the inner container 100 through a water inlet, and the water outlet assembly 920 is detachably connected to the second mounting sleeve 220 through the clip 930.

With continued reference to fig. 2-6, 21 and 22, the water inlet pipe 400 is connected within the first bore of the flange 200, where the connection may be a fixed connection, such as welding. Of course, the water inlet pipe 400 and the flange 200 may be connected in a detachable manner instead of being fixedly connected. In some embodiments, the connection end of the water inlet pipe 400 may also be detachably connected to the flange 200 by another positioning connection structure 600, and the opening at the connection end of the water inlet pipe 400 is brought into communication with the first hole. The positioning connection structure 600 and the flange 200 cooperate with each other and are limited to each other, so that the water inlet of the water inlet pipe 400 is maintained in an installation state toward the lowest position of the liner 100, thereby achieving the purpose of reducing the flow rate of the water inlet. It should be noted that, the specific structure of the positioning connection structure 600 is described above, and will not be described herein, but the usage scenario of the positioning connection structure 600 is replaced by the water inlet pipe 400 by the water outlet pipe 500, that is, the structure that is disposed on the water outlet pipe 500 and used in cooperation with the positioning connection structure 600 is also disposed on the water inlet pipe 400.

In some embodiments, the water inlet pipe 400 includes a horizontal water inlet section, at least one curved section, and a vertical water inlet section connected in sequence, the water inlet being disposed on the vertical water inlet section, the curved section enabling the vertical water inlet section to be disposed proximate to the bottom of the liner 100 such that the water inlet position is maintained at the bottom of the liner 100. Of course, the number of horizontal inlet sections included in the inlet pipe 400 may be set to be plural, as desired, at any position upstream of the vertical inlet section.

With continued reference to fig. 3, the electric water heater further includes a water purifying mechanism 700, and the water purifying mechanism 700 is disposed on the water inlet pipe 400. The water purifying substances provided in the water purifying mechanism 700 and the water purifying sleeve 800 may be the same, thereby improving the water purifying efficiency. Of course, since the water purifying substances for improving the water quality are various, different water purifying substances can improve the water quality from different aspects, for example, the water purifying substances can be scale inhibitors, ores or chlorine scavengers, etc., and the functions of scale inhibition, mineralization, chlorine removal, etc. are realized. And because different water purification materials are suitable for functioning at different temperatures, the water purification mechanism 700 is at a lower temperature and is suitable for storing water purification materials suitable for functioning at lower temperatures, and the water purification sleeve 800 is at a higher temperature and is suitable for storing water purification materials suitable for functioning at lower temperatures. The water purifying mechanism 700 and the water purifying sleeve 800 are provided to improve the storage amount and the storage type of the water purifying substance.

With continued reference to fig. 22, the water purification mechanism 700 includes a water purification body 710 and a water blocking cap 720. The water purification main body 710 is used for placing water purification substances, the water purification main body 710 is provided with a water permeable hole 701 in a penetrating way, the water retaining cap 720 is arranged on the water inlet end of the water inlet pipe 400 in a covering way, and the side wall of the water inlet end of the water inlet pipe 400 is provided with a water inlet 401. By arranging the water retaining cap 720, tap water flowing out from the water inlet 401 is blocked by the water retaining cap 720, the flowing speed is slowed down, and the water flow is reversed, so that the time required for flowing tap water with lower temperature to the upper part of the liner 100 is prolonged, and the phenomenon that the temperature of the discharged water is unstable due to too fast mixing of cold water and hot water is avoided.

In some embodiments, the water purifying body 710 includes a positioning base 711, a cylinder 712, and a top cover 713 sequentially connected from bottom to top, and the water permeable hole 701 is provided on the cylinder 712. Optionally, the water purifying body 710 further includes a plurality of dividing plates (not shown in the drawings) that divide the space inside the water purifying body 710 into a plurality of storage chambers, and different storage chambers can store different water purifying substances. This can increase the types of water purifying substances that can be contained in the water purifying body 710.

In some embodiments, the water blocking cap 720 is screwed with the water purifying body 710, the stud 721 is disposed on the water blocking cap 720, the screw hole is disposed on the positioning base 711, and the stud 721 is screwed in the screw hole. In some embodiments, the water purifying mechanism 700 further comprises at least one of a saw-tooth washer and a spring collar 730, wherein the saw-tooth washer and the spring collar 730 are sleeved on the stud 721 and are positioned between the water retaining cap 720 and the water purifying body 710, so as to achieve the purpose of preventing loosening or reversing of threads.

In some embodiments, the positioning base 711 is provided with a columnar portion protruding into the cylinder 712, and an annular reinforcing plate 7111 is provided on the columnar portion, and an outer end of the annular reinforcing plate 7111 abuts against an inner wall surface of the cylinder 712 to improve the stability of support of the cylinder 712.

In some embodiments, the first reinforcing rib 613 disposed on the first connecting pipe 610 is inserted into the water purifying sleeve 800, and the outer wall surface of the first reinforcing rib 613 is in spacing abutment with the inner wall surface of the water purifying sleeve 800, so that the water purifying sleeve 800 can be spacing, so that the water purifying sleeve 800 can be coaxially sleeved on the water outlet pipe 500.

The electric water heater provided by the utility model has the following advantages:

1. the inner container 100 has good sealing property. Compared with the installation mode of lower inlet and lower outlet, the electric water heater provided by the utility model adopts the installation mode of side inlet and side outlet, and only needs to be provided with the hole of the installation flange 200 on the side part of the inner container 100, thereby being beneficial to ensuring the tightness of the inner container 100 and reducing the water leakage risk of a user in the use process.

2. The installation difficulty of the water inlet and outlet pipes is reduced, and the overhaul is convenient. According to the electric water heater provided by the utility model, the water inlet pipe 400 and the water outlet pipe 500 are connected with the flange 200 in a detachable connection mode, so that the installation difficulty of the water inlet pipe and the water outlet pipe is reduced, the water inlet pipe and the water outlet pipe are easy to detach for maintenance and detection, the condition that the heating pipe 300 is limited in installation is relieved, the extending length and the structure of the heating pipe 300 are reduced due to the limitation of the water outlet pipe 500, the heating efficiency of the heating pipe 300 is not easy to influence, and meanwhile, the popularization and the use of the heating pipe 300 with a special structure are facilitated.

3. The temperature of the effluent is stable. Because the water outlet pipe 500 is connected to the flange 200 through the positioning connection structure 600, the water outlet end of the water outlet pipe 500 can be maintained in a mounting state facing the highest point of the liner 100, so that water which is not fully heated is prevented from entering the water outlet pipe 500, and the water outlet stability of the electric water heater is improved.

4. The water purifying effect is good, and the water purifying efficiency is high. The electric water heater provided by the utility model increases the filling quantity and the filling types of water purifying substances by arranging the water purifying mechanism 700 and the water purifying sleeve 800, and can achieve the functions of scale inhibition, mineralization, chlorine removal and the like.

5. The liner 100 is not easily damaged. By hemming the water outlet end of the water outlet pipe 500, the water outlet end of the water outlet pipe 500 is not easy to scratch the inner wall of the liner 100, which is beneficial to prolonging the service life of the liner 100.

6. The water outlet smoothness is good. By arranging the auxiliary water outlet structure on the water outlet pipe 500, the water outlet smoothness of the water outlet pipe 500 is ensured.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A water outlet mechanism, comprising:

the water outlet pipe (500), outlet pipe (500) set up in inner bag (100), outlet pipe (500) have water outlet end and link, the link of outlet pipe (500) with inner bag (100) are connected, the water outlet end of outlet pipe (500) is equipped with turn-up structure (520), turn-up structure (520) have smooth outer wall, be provided with delivery port and supplementary play water structure on outlet pipe (500), through the delivery port with supplementary play water structure makes hot water in inner bag (100) can get into outlet pipe (500).

2. The water outlet mechanism according to claim 1, wherein,

the auxiliary water outlet structure comprises an auxiliary water outlet hole (530) arranged on the side wall of the water outlet pipe (500).

3. The water outlet mechanism according to claim 1, wherein,

the auxiliary water outlet structure comprises a notch (540) arranged at the water outlet end of the water outlet pipe (500).

4. The water outlet mechanism according to claim 1, wherein,

the auxiliary water outlet structure comprises an auxiliary water pipe (550) arranged on the side wall of the water outlet pipe (500), the auxiliary water pipe (550) is provided with an auxiliary water port, and the height of the auxiliary water port is smaller than that of the water outlet.

5. The water outlet mechanism according to claim 4, wherein,

the auxiliary water pipes (550) are multiple in number, and the auxiliary water pipes (550) are arranged around the circumference of the water outlet pipe (500) in a mixing mode and are radially arranged.

6. The water outlet mechanism according to claim 1, wherein,

the hemming structure (520) is sleeved with a scratch-proof sleeve.

7. The water outlet mechanism according to any one of claims 1 to 6, wherein,

the water purifying device is characterized in that a water purifying sleeve (800) is sleeved outside the water outlet pipe (500), a storage space is formed between the inner wall surface of the water purifying sleeve (800) and the outer wall surface of the water outlet pipe (500), water purifying substances are placed in the storage space, and water passing holes (801) are formed in the water purifying sleeve (800) in a penetrating mode.

8. The water outlet mechanism according to any one of claims 1 to 6, wherein,

the water outlet pipe (500) comprises a first straight pipe, a curve pipe and a second straight pipe which are sequentially connected, one end of the first straight pipe, which is far away from the curve pipe, is a connecting end of the water outlet pipe (500), and one end of the second straight pipe, which is far away from the curve pipe, is a water outlet end of the water outlet pipe (500).

9. The water outlet mechanism according to claim 8, wherein,

the central angle of the curve pipe is smaller than 90 degrees.

10. An electric water heater characterized by comprising an inner container (100), a flange (200) and the water outlet mechanism of any one of claims 1-9, wherein one side of the inner container (100) is provided with a side mounting part (110), the flange (200) is mounted on the side mounting part (110), and the connecting end of the water outlet pipe (500) is connected with the flange (200).