CN104713221B - Electric heater - Google Patents

Abstract

The invention discloses a kind of electric heater, including inner bag, water inlet pipe, flush pipe, outlet pipe and blow-off pipe.Inner bag is formed with water inlet, delivery port and sewage draining exit.Water inlet pipe is connected with water inlet, and water inlet pipe enters cold water for inside Hymecromone.Flush pipe is in inner bag, and flush pipe is fixedly connected in inner bag with water inlet pipe, and extends along the horizontal direction of inner bag, and flush pipe is connected with water inlet pipe, and the flushing water hole towards inner bag bottom wall is offered in flush pipe.Outlet pipe is connected with delivery port, and outlet pipe is used for the hot water for discharging inner bag.Blow-off pipe is connected with sewage draining exit, and blow-off pipe is used for the sewage for discharging inner bag.In this way, due to the flush pipe extended using the horizontal direction along inner bag, the sediment of inner bag lower-left end and bottom righthand side can be effectively discharged out, high-efficient dirt exhausting, row's dirt and deslagging and simple in construction.

Description

water heater

technical field

The invention relates to the field of water heaters, in particular to an electric water heater.

Background technique

Due to the specific water inlet and outlet passages of the water heater, it will cause sediment to stay in the lower left and right lower ends of the inner tank and be difficult to discharge. But existing water heater fails to solve this problem, and blowdown effect is very poor, can affect the quality of user's bathing water like this.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention needs to provide an electric water heater.

An electric water heater according to a preferred embodiment of the present invention includes an inner container, a water inlet pipe, a flushing pipe, a water outlet pipe and a sewage discharge pipe. The inner tank is formed with a water inlet, a water outlet and a sewage outlet. The water inlet pipe is in communication with the water inlet, and the water inlet pipe is used to pass cold water into the inner bag. The flushing pipe is arranged in the inner container, the flushing pipe is fixedly connected with the water inlet pipe in the inner container, and extends along the lateral direction of the inner container, the flushing pipe and the water inlet pipe connected, and the flushing pipe is provided with a flushing water hole facing the bottom wall of the liner. The water outlet pipe communicates with the water outlet, and the water outlet pipe is used to discharge the hot water in the inner container. The sewage discharge pipe communicates with the sewage discharge port, and the sewage discharge pipe is used to discharge the sewage of the inner container.

An electric water heater according to a preferred embodiment of the present invention can effectively flush the sediment from the lower left end to the lower right end of the inner tank by using the flushing pipe extending along the lateral direction of the inner tank, and effectively discharge the The sediment from the lower left end to the lower right end of the liner is efficient in sewage, scale and slag discharge and has a simple structure.

In some embodiments, the flushing pipe includes a left shunt pipe and a right shunt pipe connected with the water inlet pipe, the left shunt pipe extends to the left end of the inner tank, and a first shunt pipe is opened on the left shunt pipe. A flushing water hole, the right shunt pipe extends to the right end of the liner, and a second flushing water hole is opened on the right shunt pipe.

In some embodiments, the left shunt pipe is provided with the first flushing water hole at the left end of the inner container, and the right shunt pipe is provided with the first flushing hole at the right end of the inner container. Second rinse water hole.

In some embodiments, the water inlet pipe is connected with a water booster pump.

In some embodiments, the upper end of the water inlet pipe extending into the inner container is provided with a quick-fit sleeve, and the rear end of the quick-install sleeve is provided with a water outlet hole, and the water outlet hole is connected to a connecting pipe, and the left and right connecting pipes are respectively A first through hole and a second through hole communicating with each other are formed, the first through hole is connected with the left shunt pipe, and the second through hole is connected with the right shunt pipe.

In some embodiments, an O-ring is provided between the quick fitting sleeve and the water inlet pipe.

In some embodiments, the water inlet pipe is provided with a cross-slotted hole, and the cross-slotted hole communicates with the water outlet hole.

In some embodiments, the left and right ends of the quick-fit sleeve are provided with fixing screws, balls and springs arranged between the fixing screws and the balls, and the balls are positioned between the fixing screws and the balls. Under the extrusion of the spring, it is embedded in the positioning groove at the upper end of the water inlet pipe of the anti-electric wall.

In some embodiments, the water inlet pipe is a water inlet pipe for an electric wall.

In some embodiments, the drain pipe is threadedly connected with a drain valve.

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

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic structural view of an electric water heater according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional right view of the water inlet pipe of the electric water heater in Fig. 1 .

Fig. 3 is a sectional view of the left branch pipe and the right branch pipe of the electric water heater according to the embodiment of the present invention.

Fig. 4 is a perspective view of a water inlet pipe of an electric water heater according to an embodiment of the present invention.

Fig. 5 is an enlarged schematic diagram of part V of the electric water heater in Fig. 1 .

Fig. 6 is a perspective view of the quick-fit sleeve of the electric water heater according to the embodiment of the present invention.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. connected, or integrally connected. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two elements or the interaction relationship between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "below" and "under" the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is less horizontal than the second feature.

The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in different instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.

Please refer to FIG. 1 , an electric water heater 10 according to a preferred embodiment of the present invention, an inner container 12 , a water inlet pipe 14 , a flushing pipe 10 a , a water outlet pipe 20 and a sewage pipe 22 . The inner tank 12 is formed with a water inlet 120 , a water outlet 122 and a sewage outlet 124 . The water inlet pipe 14 communicates with the water inlet 120 , and the water inlet pipe 14 is used for passing cold water into the inner tank 12 . The flushing pipe 10a is arranged in the inner container 12, the flushing pipe 10a is fixedly connected with the water inlet pipe 14 in the inner container 12, and extends along the transverse direction of the inner container 12, the flushing pipe 10a communicates with the water inlet pipe 14, and the flushing pipe 10a is provided with There is a flushing water hole 10b towards the bottom wall of the inner container 12 . The water outlet pipe 20 communicates with the water outlet 122 , and the water outlet pipe 20 is used to discharge the hot water from the inner tank 12 . The sewage pipe 22 communicates with the sewage outlet 124 , and the sewage pipe 22 is used to discharge the sewage from the inner tank 12 .

In the electric water heater 10 of the preferred embodiment of the present invention, since the flushing pipe 10a extending along the lateral direction of the inner tank 12 is adopted, the sediment in the inner tank 12 from the lower left end to the lower right end can be effectively washed away, and the inner tank 12 can be effectively discharged. Sediment from the lower left end to the lower right end, efficient sewage, scale and slag discharge with simple structure.

2 and 3, in this embodiment, the flushing pipe 10a includes a left shunt pipe 16 and a right shunt pipe 18 communicating with the water inlet pipe 14, the left shunt pipe 16 extends to the left end of the inner tank 12 and the left shunt pipe 16 A first flushing water hole 160 is opened on the top, the right shunt pipe 18 extends to the right end of the inner tank 12 and a second flushing water hole 180 is opened on the right shunt pipe.

In this way, due to the use of the left shunt pipe 16 and the right shunt pipe 18, cold water flows out from the first flushing water hole 160 of the left shunt pipe 16 and the second flushing hole 180 of the right shunt pipe 18, which can effectively flush the inner tank 12 from the lower left end. The sediment to the lower right end can effectively discharge the sediment from the lower left end to the lower right end of the inner tank 12, and the sewage, scale and slag discharge are efficient and the structure is simple.

In this embodiment, the left branch pipe 16 is provided with a first flushing water hole 160 at the left end of the inner tank 13 , and the right branch pipe 18 is provided with a second flushing water hole 180 at the right end of the inner container 12 .

In this way, the left shunt pipe 16 and the right shunt pipe 18 can efficiently discharge the sediment at the left lower end and the right lower end of the inner tank 12 for washing the sediment at the left lower end and the right lower end of the inner tank 12, and efficiently discharge sewage, scale and slag And the structure is simple.

Specifically, the inner tank 12 is substantially cylindrical, and the lower right part of the inner tank 12 is provided with a water inlet 120 , and the water inlet pipe 14 is arranged below the inner tank 12 and connected to the water inlet 120 . A water outlet 122 is arranged at the lower part of the inner container 12 and in the middle, and the water outlet pipe 20 is arranged below the inner container 12 and connected with the water outlet 122 . The lower left part of the inner container 12 is provided with a sewage outlet 124 , and the sewage pipe 22 is arranged below the inner container 12 and connected with the sewage outlet 124 .

In this embodiment, the water inlet pipe 14 is connected with a booster water pump 30 . Wherein, the lower end of the water inlet pipe 14 is provided with a safety valve 28, and the water inlet pipe 14 is threadedly connected with the safety valve 28 and sealed by a small rectangular sealing ring. The safety valve 28 is connected with a booster water pump 30 . Specifically, the safety valve 18 is connected to the booster water pump 30 through an elbow 32 , and the safety valve 18 and the booster water pump 30 are connected to the elbow 32 by threads and sealed by a small rectangular sealing ring. During the sewage discharge process, the booster water pump 30 increases the pressure of the water flow in the water inlet pipe 14 to improve the cleanliness of the electric water heater 10 . After the sewage discharge process is finished, the booster water pump 30 stops working and is in a normally open state. At this time, the electric water heater 10 can work normally.

In this way, the booster water pump 30 can increase the pressure of the water flow so as to improve the cleanliness of the electric water heater 10 . The safety valve 18 can reversely stop hot water from flowing back into the water inlet pipe 14, release pressure safely to protect the inner tank 12, and is easy to adjust. The safety valve 28 can protect the system of the electric water heater 10.

In this embodiment, the upper end of the water inlet pipe 14 extending into the inner tank 12 is provided with a quick-fit sleeve 34, and the rear end of the quick-install sleeve 34 is provided with a water outlet hole 340. The first through hole 344 and the second through hole 346 communicate with each other. The first through hole 344 is connected to the left branch pipe 16 , and the second through hole 346 is connected to the right branch pipe 18 .

In this way, the diversion of the water inlet pipe 14 is realized, the left end of the inner bag 12 is flushed through the left shunt pipe 16 , and the right end of the inner bag 12 is flushed through the right shunt pipe 18 .

In this embodiment, the quick fitting sleeve 34 is inserted on the upper end of the water inlet pipe 14 , and an O-ring 36 is provided between the quick fitting sleeve 34 and the water inlet pipe 14 .

In this way, the tightness between the quick fitting sleeve 34 and the water inlet pipe 14 can be ensured.

Please refer to FIG. 4 , in this embodiment, the upper end of the water inlet pipe 14 is provided with a cross-slotted hole 140 , and the cross-slotted hole 140 communicates with the water outlet hole 340 of the quick-fit sleeve 34 .

In this way, the water in the water inlet pipe 14 is reversed through the cross slot hole 140 .

Please refer to Fig. 5 , in this embodiment, the left and right ends of the quick-fit sleeve 34 are provided with fixing screws 38, balls 42 and springs 40 located between the fixing screws 38 and the balls 42, and the balls 42 are positioned between the fixing screws. The extrusion of 38 and spring 40 embeds in the circular groove on the upper end of the water inlet pipe of the anti-electric wall. Specifically, a quick-fit sleeve 34 is connected to the upper end of the water inlet pipe 14 , and the quick-fit sleeve 34 and the water inlet pipe 14 are sealed by two O-rings 36 . The quick fitting sleeve 34 is provided with a fixing screw 38 , a spring 40 and a ball 42 so that the quick fitting sleeve 34 can be quickly inserted into the positioning groove of the water inlet pipe 14 for positioning. After the quick fitting cover 34 and the water inlet pipe 14 were assembled, the ball 42 was located in the positioning groove 348 of the quick cover 34, the fixing screw 38 pressed the spring 40, and the spring 40 pressed the ball.

In this way, the fixing screw 38 , the spring 40 and the ball 42 are used to realize the installation and positioning of the quick fitting sleeve 34 and the water inlet pipe 14 .

Please refer to FIG. 6 , specifically, the rear end of the quick-fit sleeve 34 is provided with a water outlet hole 340, and the connecting pipe 342 is interference-fitted with the water outlet hole 340. The left and right sides of the connecting pipe 342 are respectively formed with a first through hole 344 and a second through hole 346 communicating with each other. , The first through hole 344 is interference fit with the left shunt pipe 16, and the second through hole 346 is interference fit with the right shunt pipe 18. The lower end of the water inlet pipe 14 is threadedly connected to the safety valve 18 and sealed by a small rectangular sealing ring. The safety valve 18 is connected to the booster water pump 30 through an elbow 32. The booster water pump 30 and the elbow 32 are threaded and sealed by a small rectangular sealing ring. seal.

In this embodiment, the water inlet pipe 14 is a water inlet pipe for the electric wall.

In this way, since the water inlet pipe 14 adopts the electricity-proof wall inlet pipe, the water inlet pipe 14 can be protected against electricity, which is safe and reliable.

In this embodiment, the sewage outlet 124 is connected with the sewage pipe 22 to discharge the sewage of the inner tank 12 . The blowdown pipe is threadedly connected with a blowdown valve 26. The blowdown valve 26 adopts ceramic material.

In this way, the blowdown of the electric water heater 10 is controlled by controlling the on-off of the blowdown pipe 22 through the blowdown valve 26 . The blowdown valve 26 is made of ceramic material, which has the advantages of high temperature resistance, good sealing performance and durable use.

Specifically, the sewage outlet 124 is provided with a magnesium rod 24 and the magnesium rod 24 is accommodated in the inner tank 12 . The sewage outlet 124 is also connected with a sewage pipe 22 , and the sewage pipe 22 is located below the inner container 12 . In this way, the magnesium rod 24 is used to protect the inner tank 12 to prevent the inner tank 12 from being corroded by impurities in water, thereby improving the life of the inner tank 12 .

Specifically, the inlet of the booster water pump 30 is connected to the tap water pipeline, and after the cold water flows into the booster water pump 30 from the inlet of the booster water pump 30 to be pressurized, it flows upward through the elbow 32 to overcome the pressure of the check valve of the safety valve 28, and flows Continue upward through the water inlet pipe 14, change direction through the cross groove hole 140, and then divert through the water outlet hole 340 of the quick-fit sleeve 34 through the connecting pipe 342, and a stream of water flows out through the first flushing water hole 160 of the left shunt pipe 16 for inner tank The leftmost lower end of 12 bends to the right and washes away dirt, slag and dirt at the bottom of the inner bag 12 to the sewage outlet 124 and is discharged from the sewage pipe 22. Another stream of water flows out through the second flushing water hole 180 of the right shunt pipe 18 so that the rightmost lower end of the inner tank 12 is bent to the left to wash away the scale, slag and dirt at the bottom of the inner tank 12 to the drain outlet 124 from the drain pipe. 22 discharge. Wherein, due to the inconsistency of the way distances of the two streams of water, the size of the water pressure can be tested to change the cross-sectional area of the left shunt pipe 16 and the right shunt pipe 18 to achieve a balanced solution.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", or "some examples" etc. mean that the embodiments are combined A specific feature, structure, material, or characteristic described or exemplified 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 described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (8)

1. a kind of electric heater, it is characterised in that including：

Inner bag, the inner bag is formed with water inlet, delivery port and sewage draining exit；

The water inlet pipe connected with the water inlet, the water inlet pipe is used to be passed through cold water to the inner bag；

Flush pipe in the inner bag, the flush pipe is fixedly connected in the inner bag with the water inlet pipe, and along institute The horizontal direction extension of inner bag is stated, the flush pipe is connected with the water inlet pipe, and is offered in the flush pipe towards described The flushing water hole of inner bag bottom wall；

The outlet pipe connected with the delivery port, the outlet pipe is used for the hot water for discharging the inner bag；And

The blow-off pipe connected with the sewage draining exit, the blow-off pipe is used for the sewage for discharging the inner bag；

The flush pipe includes the left shunt pipe and right isocon that are connected with the water inlet pipe, and the left shunt pipe is to the inner bag Left end extension and the left shunt pipe on offer the first flushing water hole, the right isocon extends to the right-hand member of the inner bag And the second flushing water hole is offered on the right isocon；

The upper end that the water inlet pipe stretches into the inner bag is provided with fast encapsulation, and the rear end of the fast encapsulation is provided with apopore, it is described go out Water hole is connected with adapter, and the adapter is respectively formed right and left the first through hole communicated and the second through hole, and the first through hole connects The left shunt pipe is connected to, second through hole is connected with the right isocon.

2. electric heater according to claim 1, it is characterised in that the left shunt pipe is in the left end positioned at the inner bag Position offer described first and rinse water hole, the right isocon offers described in the position of the right-hand member positioned at the inner bag Second rinses water hole.

3. the electric heater according to any one of claim 1 to 2, it is characterised in that the water inlet pipe is connected with pressurized water Pump.

4. electric heater according to claim 1, it is characterised in that O is provided between the fast encapsulation and the water inlet pipe Type sealing ring.

5. electric heater according to claim 1, it is characterised in that the water inlet pipe is provided with cross slotted eye, the cross Slotted eye is connected with the apopore.

6. electric heater according to claim 1, it is characterised in that the fast encapsulation left and right ends are designed with fixing spiral shell Nail, ball and the spring between the fixing screws and the ball, the ball is in the fixing screws and the bullet Under the extruding of spring in the locating slot of the embedded water inlet pipe upper end.

7. electric heater according to claim 1, it is characterised in that the water inlet pipe is anti-electricity wall water inlet pipe.

8. electric heater according to claim 1, it is characterised in that the blow-off pipe is threaded with blowoff valve.