CN218154788U

CN218154788U - Adjustable electric water heater

Info

Publication number: CN218154788U
Application number: CN202221889899.3U
Authority: CN
Inventors: 潘森林; 吴霞; 周锋; 洪宇光; 林辉庆
Original assignee: Ningbo Youerduo Electric Co ltd
Current assignee: Ningbo Youerduo Electric Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-12-27
Anticipated expiration: 2032-07-21

Abstract

The utility model provides an electric water heater with adjustable belongs to electric water heater technical field, include: the shell is internally provided with a middle cylinder, the middle cylinder is provided with a water inlet channel, a water outlet channel and a heating channel communicated with the water inlet channel and the water outlet channel, the middle cylinder is also provided with a flow regulating channel communicated with the water inlet channel or connected with the water outlet channel, and the flow regulating channel is provided with a regulating structure used for regulating the opening degree of the middle cross section of the water outlet channel or the water inlet channel, so that the regulation of the water flow in the water inlet channel or the water outlet channel is realized. The utility model discloses an adjust the aperture size of cross section in the structure regulation water outlet channel or the water inlet channel, realize the regulation of discharge to make the user can obtain the corresponding rivers of predetermineeing the temperature in water outlet department, improve the reliability that electric water heater used.

Description

Adjustable electric water heater

Technical Field

The utility model belongs to the technical field of electric water heater, a electric water heater with adjustable is related to.

Background

The water heater is a device which increases the temperature of cold water into hot water within a certain time through various physical principles, and can be divided into an electric water heater, a gas water heater, a solar water heater, an air energy and a fast magnetic life water heater according to different principles. When the water heaters work, the cold water is heated by the combustion of the natural pressure, the electric energy, the optical energy and the gas energy of the tap water and is sprayed out of the spray head.

When the existing water heater is used, when a user opens the water heater at a preset temperature, the water outlet quantity of the water heater is not adjustable, so that the water outlet temperature of the water heater in a full-power heating state can not reach the preset temperature under the condition that the natural water temperature is lower, and constant-temperature water outlet can not be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided one kind and can realize discharge and adjust, realized the constant temperature electric water heater of going out water.

The purpose of the utility model can be realized by the following technical proposal: an adjustable electric water heater comprising:

the shell is internally provided with a middle cylinder, the middle cylinder is provided with a water inlet channel, a water outlet channel and a heating channel communicated with the water inlet channel and the water outlet channel, the middle cylinder is also provided with a flow regulating channel communicated with the water inlet channel or connected with the water outlet channel, and the flow regulating channel is provided with a regulating structure used for regulating the opening degree of the middle cross section of the water outlet channel or the water inlet channel, so that the regulation of the water flow in the water inlet channel or the water outlet channel is realized.

In the above adjustable electric water heater, the adjusting structure includes a flow adjusting shaft, and an axial direction of the flow adjusting shaft is consistent with a length direction of the flow adjusting channel, wherein when the flow adjusting channel is communicated with the water outlet channel, the flow adjusting shaft extends into or moves out of the water outlet channel to adjust a cross-sectional opening of the water outlet channel, and when the flow adjusting channel is communicated with the water inlet channel, the flow adjusting shaft extends into or moves out of the water inlet channel to adjust a cross-sectional opening of the water inlet channel.

In the above adjustable electric water heater, one end of the flow rate adjusting shaft serves as a driving end, and the flow rate adjusting shaft moves along the length direction of the flow adjusting channel by rotation of the driving end, wherein the rotation of the driving end is realized by a manual adjusting mode or the rotation of the driving end is realized by an electric adjusting mode.

In the above adjustable electric water heater, the adjusting structure further includes a nut disposed in the flow adjusting channel, and two sides of the nut are respectively abutted to the step in the flow adjusting channel, wherein the axial direction of the nut is consistent with the length direction of the flow adjusting channel, and is in threaded connection with the flow adjusting shaft.

In the above adjustable electric water heater, at least one first annular groove is arranged at one end of the flow regulating shaft far away from the driving end, and a sealing ring is embedded in the first annular groove.

In the above adjustable electric water heater, a second annular groove is arranged at one end of the flow regulating shaft close to the driving end, and an opening snap spring is embedded in the second annular groove.

In the above adjustable electric water heater, the water outlet channel or the water inlet channel is provided with an electromagnetic valve, wherein the water outlet channel or the water inlet channel is switched on or off by the electromagnetic valve.

In the above adjustable electric water heater, the electromagnetic valve includes a valve body mounted on the middle cylinder, and the valve body is provided with a diaphragm, wherein a protrusion corresponding to the diaphragm is arranged on the inner wall of the water outlet channel or the water inlet channel, and when the electromagnetic valve is in a power-on state, a gap is formed between the diaphragm and the protrusion to serve as a water passing channel; when the electromagnetic valve is in a power-off state, the diaphragm is in contact with the bulge to block water flow.

In the above adjustable electric water heater, the middle cylinder is provided with the cylinder, the through hole is arranged along the axial direction of the cylinder, and the through hole is communicated with the water inlet channel, wherein the water inlet channel is internally provided with the rotating shaft coaxially arranged with the through hole, the impeller nested on the rotating shaft, and the impeller cover for sealing the through hole and fixing the rotating shaft, when water enters from the water inlet channel, the impeller is driven to rotate around the rotating shaft through the impact of the water flow.

In the above adjustable electric water heater, the impeller cover opens or seals the opening of the through hole in a rotating manner.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a pair of electric water heater with adjustable adjust the aperture size of cross section in the water outlet channel or the water inlet channel through adjusting the structure, realize the regulation of discharge to make the user can obtain the corresponding rivers of predetermineeing the temperature in water outlet department, improve the reliability that electric water heater used.

Drawings

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

Fig. 2 is a sectional view of the adjustable electric water heater of the present invention.

Fig. 3 is a cross-sectional view of the adjustable electric water heater with the solenoid valve in an open state.

Fig. 4 is a sectional view of the adjustable electric water heater with the electromagnetic valve in a closed state.

Fig. 5 is a schematic view of the internal structure of the adjustable electric water heater of the present invention.

Fig. 6 is an enlarged view of a portion a in fig. 5.

In the figure, 100, the housing; 200. a middle cylinder; 210. a water inlet channel; 220. a water outlet channel; 230. a heating channel; 240. a flow regulating channel; 250. a step; 260. a protrusion; 270. a cylinder; 271. a through hole; 272. a first arc-shaped boss; 280. a rotating shaft; 290. an impeller; 2100. an impeller cover; 2110. a second arc-shaped boss; 2120. a limiting bump; 300. an adjustment structure; 310. a flow rate adjustment shaft; 311. a first annular groove; 312. a second annular groove; 320. a servo motor; 330. a nut; 340. a seal ring; 350. an opening clamp spring; 400. an electromagnetic valve; 410. a valve body; 420. a membrane.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1 to fig. 6, the utility model provides an adjustable electric water heater, including: the shell 100 is internally provided with the middle cylinder 200, the middle cylinder 200 is provided with a water inlet channel 210, a water outlet channel 220 and a heating channel 230 for communicating the water inlet channel 210 with the water outlet channel 220, the middle cylinder 200 is also provided with a flow adjusting channel 240 communicated with the water inlet channel 210 or connected with the water outlet channel 220, the flow adjusting channel 240 is provided with an adjusting structure 300 for adjusting the opening degree of the cross section of the water outlet channel 220 or the water inlet channel 210, and the adjustment of the water flow of the water inlet channel 210 or the water outlet channel 220 is realized.

It is worth mentioning that when the electric water heater is used in cold winter, because the electric water heater in the prior art has a certain power, after the user sets the preset temperature on the electric water heater, the water faucet is turned on, and because the water yield of the electric water heater is certain, the water flow with the preset temperature cannot be obtained at the water faucet. Therefore, in the present embodiment, by adjusting the opening size of the cross section in the water outlet channel 220 or the water inlet channel 210, the water flow rate of the outlet water is reduced, so that the time of the water in the heating channel 230 is increased, and thus the water flow at the corresponding preset temperature is obtained at the faucet.

The utility model provides a pair of electric water heater with adjustable adjust the aperture size of cross section in outlet passage 220 or the inlet passage 210 through adjusting structure 300, realize the regulation of discharge to make the user can obtain the corresponding rivers of predetermineeing the temperature in outlet department, improve the reliability that electric water heater used.

Further preferably, the adjusting structure 300 includes a flow adjusting shaft 310, and an axial direction of the flow adjusting shaft 310 is consistent with a length direction of the flow adjusting channel 240, wherein when the flow adjusting channel 240 is communicated with the water outlet channel 220, the adjustment of the opening degree of the cross section of the water outlet channel 220 is realized by the flow adjusting shaft 310 extending into or out of the water outlet channel 220, and when the flow adjusting channel 240 is communicated with the water inlet channel 210, the adjustment of the opening degree of the cross section of the water inlet channel 210 is realized by the flow adjusting shaft 310 extending into or out of the water inlet channel 210.

Preferably, the flow rate adjusting shaft 310 adjusts the size of the opening of the cross section in the water outlet channel 220 or the water inlet channel 210 through a manual adjusting mode, or adjusts the size of the opening of the cross section in the water outlet channel 220 or the water inlet channel 210 through an electric adjusting mode, wherein one end of the flow rate adjusting shaft 310 serves as a driving end, and the flow rate adjusting shaft 310 moves along the length direction of the flow adjusting channel 240 through the rotation of the driving end.

It should be noted that the flow regulating shaft 310 is in threaded connection with the flow regulating channel 240, wherein when manual regulation is adopted, a straight groove or a cross groove can be arranged at the driving end of the flow regulating shaft 310, and at this time, a user can drive the driving end to rotate by a straight screwdriver or a cross screwdriver, so as to realize the movement of the flow regulating shaft 310; when the electric adjustment is adopted, the driving end of the flow adjusting shaft 310 can be connected with the servo motor 320, and at the moment, a user can drive the servo motor 320 to drive the driving end to rotate, so that the flow adjusting shaft 310 can move.

Preferably, the adjusting structure 300 further comprises a nut 330 disposed inside the flow regulating channel 240, and two sides of the nut 330 are respectively contacted and abutted with the steps 250 in the flow regulating channel 240, wherein the axial direction of the nut 330 is consistent with the length direction of the flow regulating channel 240, and is in threaded fit with the flow regulating shaft 310.

Preferably, at least one first annular groove 311 is formed at one end of the flow rate adjusting shaft 310 far away from the driving end, and a sealing ring 340 is embedded in the first annular groove 311.

It should be noted that the number of the first annular grooves 311 may be multiple, and two adjacent first annular grooves 311 are parallel to each other, and a sealing ring 340 is embedded in each first annular groove 311. Thereby improving the sealing effect of the flow regulating shaft 310 and preventing the flow regulating channel 240 from water leakage.

Preferably, a second annular groove 312 is formed at an end of the flow rate adjusting shaft 310 near the driving end, and an opening clamp spring 350 is fitted in the second annular groove 312.

Preferably, an electromagnetic valve 400 is disposed on the water outlet passage 220 or the water inlet passage 210, wherein the water outlet passage 220 or the water inlet passage 210 is connected or disconnected by the electromagnetic valve 400.

Further preferably, the electromagnetic valve 400 includes a valve body 410 mounted on the middle barrel 200, and a diaphragm 420 is disposed on the valve body 410, wherein a protrusion 260 corresponding to the diaphragm 420 is disposed on an inner wall of the water outlet passage 220 or the water inlet passage 210, and when the electromagnetic valve 400 is in an energized state, a gap exists between the diaphragm 420 and the protrusion 260 to serve as a water passing passage; when the solenoid valve 400 is in the de-energized state, the diaphragm 420 contacts the protrusion 260, blocking the flow of water.

Preferably, the middle cylinder 200 is provided with a cylinder 270, a through hole 271 is provided along the axial direction of the cylinder 270, and the through hole 271 is communicated with the water inlet channel 210, wherein a rotating shaft 280 coaxially provided with the through hole 271, an impeller 290 nested on the rotating shaft 280, and an impeller cover 2100 for sealing the through hole 271 and fixing the rotating shaft 280 are provided in the water inlet channel 210, and when water enters from the water inlet channel 210, the impeller 290 is driven to rotate around the rotating shaft 280 by the impact of the water.

Further preferably, the impeller cover 2100 opens or seals the opening of the through hole 271 by rotating.

Further preferably, the through hole 271 is countersunk, and a first arc-shaped boss 272 is provided on the wall of the through hole 271, wherein a second arc-shaped boss 2110 is provided on the impeller cover 2100, and a limit bump 2120 is provided at an end of the second arc-shaped boss 2110, when the impeller cover 2100 is screwed on the through hole 271, the first arc-shaped boss 272 and the second arc-shaped boss 2110 are arranged in an up-and-down overlapping manner, and the limit bump 2120 is in contact with one end of the first arc-shaped boss 272 to complete sealing of the through hole 271 by the impeller cover 2100, otherwise, the impeller cover 2100 can be removed from the through hole 271 to complete opening of the through hole 271 by rotating reversely so that the first arc-shaped boss 272 and the second arc-shaped boss 2110 are dislocated vertically.

Further preferably, the number of the first arc-shaped bosses 272 and the second arc-shaped bosses 2110 is two, and the two first arc-shaped bosses 272 and the two second arc-shaped bosses 2110 are correspondingly oppositely arranged.

It is noted that the description herein of "first," "second," "a," etc. is for descriptive purposes only and is not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The terms "connected," "fixed," and the like are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. An adjustable electric water heater, comprising:

2. The adjustable electric water heater of claim 1, wherein the adjusting structure comprises a flow adjusting shaft, and the axial direction of the flow adjusting shaft is consistent with the length direction of the flow adjusting channel, wherein when the flow adjusting channel is communicated with the water outlet channel, the opening of the cross section of the water outlet channel is adjusted by the flow adjusting shaft extending into or moving out of the water outlet channel, and when the flow adjusting channel is communicated with the water inlet channel, the opening of the cross section of the water inlet channel is adjusted by the flow adjusting shaft extending into or moving out of the water inlet channel.

3. The adjustable electric water heater according to claim 2, wherein one end of the flow regulating shaft is used as a driving end, and the flow regulating shaft is moved along the length direction of the flow regulating channel by rotating the driving end, wherein the driving end is rotated by a manual adjustment manner or the driving end is rotated by an electric adjustment manner.

4. The adjustable electric water heater according to claim 2, wherein the adjusting structure further comprises a nut disposed inside the flow adjusting channel, and two sides of the nut are respectively contacted and abutted with the steps in the flow adjusting channel, wherein the axial direction of the nut is consistent with the length direction of the flow adjusting channel, and the nut is screwed with the flow adjusting shaft.

5. The adjustable electric water heater according to claim 2, wherein the flow regulating shaft is provided with at least one first annular groove at an end thereof remote from the driving end, and a sealing ring is embedded in the first annular groove.

6. The adjustable electric water heater according to claim 2, wherein a second annular groove is formed at an end of the flow rate adjusting shaft adjacent to the driving end, and an opening clamp spring is embedded in the second annular groove.

7. The adjustable electric water heater according to any one of claims 1 to 6, wherein an electromagnetic valve is disposed on the water outlet channel or the water inlet channel, and the water outlet channel or the water inlet channel is connected or disconnected by the electromagnetic valve.

8. The adjustable electric water heater according to claim 7, wherein the solenoid valve comprises a valve body mounted on the middle cylinder, and a diaphragm is disposed on the valve body, wherein a protrusion corresponding to the diaphragm is disposed on the inner wall of the water outlet channel or the water inlet channel, and when the solenoid valve is in a power-on state, a gap exists between the diaphragm and the protrusion to serve as a water passing channel; when the electromagnetic valve is in a power-off state, the diaphragm is in contact with the bulge to block water flow.

9. The adjustable electric water heater according to claim 1, wherein the central cylinder is provided with a cylinder, a through hole is provided along the axis of the cylinder, and the through hole is communicated with the water inlet channel, wherein a rotating shaft is provided in the water inlet channel coaxially with the through hole, an impeller is nested on the rotating shaft, and an impeller cover is provided for sealing the through hole and fixing the rotating shaft, and when water enters from the water inlet channel, the impeller is driven to rotate around the rotating shaft by the impact of the water.

10. The adjustable electric water heater according to claim 9, wherein the impeller cover is rotated to open or seal the opening of the through hole.