CN108954833B - Energy-saving scale-proof device for electric water heater - Google Patents
Energy-saving scale-proof device for electric water heater Download PDFInfo
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- CN108954833B CN108954833B CN201810977359.2A CN201810977359A CN108954833B CN 108954833 B CN108954833 B CN 108954833B CN 201810977359 A CN201810977359 A CN 201810977359A CN 108954833 B CN108954833 B CN 108954833B
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- fixedly connected
- wall
- shell
- inner container
- connecting rod
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/0042—Cleaning arrangements
Abstract
The invention discloses an energy-saving scale prevention device for an electric water heater, which comprises a shell, wherein an inner container is fixedly connected to the middle point of the bottom of the inner wall of the shell, a protective shell is arranged at the middle point of the top of the inner container, a rotating motor is fixedly connected to the inside of the protective shell, and a rotating shaft is fixedly connected to an output shaft of the rotating motor. According to the invention, the protective shell, the rotating motor, the rotating shaft, the first connecting rod, the scraping blade, the first semicircular ring, the first pulley, the sliding groove, the first sliding rod, the sliding plate, the second semicircular ring, the second pulley, the steel wire rope, the threaded sleeve, the positive and negative motors, the positive and negative rotating shafts and the threaded rod are matched with each other, so that a good scale prevention effect is achieved, scale can be effectively prevented from being attached to the inner wall of the inner container, the phenomenon that the scale corrodes the inner container is avoided, the potential safety hazard is eliminated, the service life of the electric water heater is prolonged, and great convenience is brought to a user.
Description
Technical Field
The invention relates to the technical field of electric water heaters, in particular to an energy-saving scale-proof device for an electric water heater.
Background
The electric water heater is one of three water heaters which are parallel to a gas water heater and a solar water heater, and can be divided into a water storage type (also called a positive displacement type or a heat storage type), an instant heating type and an instant heating type (also called a semi-water storage type) according to the heating power. At present, when an electric water heater heats water, scale can be generated for a long time and can be attached to the inner wall of an inner container of the electric water heater, and the common energy-saving scale-preventing device for the electric water heater has a non-ideal scale-preventing effect, cannot effectively prevent the scale from being attached to the inner wall of the inner container, easily causes the inner wall of the inner container to be corroded by the scale, not only causes certain potential safety hazards, but also reduces the service life of the electric water heater, and brings great inconvenience to users.
Disclosure of Invention
The invention aims to provide an energy-saving type scale prevention device for an electric water heater, which has the advantage of good scale prevention effect and solves the problem that the scale prevention effect of the common energy-saving type scale prevention device for the electric water heater is not ideal.
In order to achieve the purpose, the invention provides the following technical scheme: an energy-saving scale prevention device for an electric water heater comprises a shell, wherein a liner is fixedly connected to the middle point of the bottom of the inner wall of the shell, a protective shell is arranged at the middle point of the top of the liner, a rotating motor is fixedly connected to the inside of the protective shell, a rotating shaft is fixedly connected to an output shaft of the rotating motor, a first connecting rod is fixedly connected to the bottom of the rotating shaft, the bottom of the rotating shaft sequentially penetrates through the protective shell and the liner from top to bottom and extends to the inside of the liner, scraping blades are fixedly connected to the left end and the right end of the first connecting rod, one side of each scraping blade, which is far away from the first connecting rod, is in contact with the inner wall of the liner, a first semicircular ring is fixedly connected to the middle point of the top of the protective shell, a first pulley is fixedly connected to the, the top and the bottom of the inner wall of the sliding chute are fixedly connected through a first sliding rod, the top of the surface of the first sliding rod is movably connected with a sliding plate, the right side of the sliding plate penetrates through the sliding chute and extends to the outside of the sliding plate to be fixedly connected with a second semicircular ring, the top of the inner wall of the shell is fixedly connected with a second pulley corresponding to the position of the second semicircular ring, the surface of the first semicircular ring is fixedly connected with a steel wire rope, one end, away from the first semicircular ring, of the steel wire rope sequentially penetrates through the first pulley and the second pulley to be fixedly connected with the second semicircular ring, the bottom of the inner wall of the shell is fixedly connected with a threaded sleeve corresponding to the position of the left side of the inner container, the top of the sliding plate is fixedly connected with a positive and negative motor corresponding to the position of the threaded sleeve, a positive and negative rotating shaft is fixedly connected to an, the bottom of threaded rod runs through the thread bush and extends to its inside rather than threaded connection, the right side fixedly connected with inlet tube of inner bag inner wall, the right-hand member of inlet tube runs through inner bag and shell from a left side to the right side in proper order and extends to the outside of shell, the bottom fixedly connected with outlet pipe of inner bag inner wall, the bottom of outlet pipe runs through inner bag and shell from last to down in proper order and extends to the outside of shell, the position fixedly connected with heater that the inner bag right side just is located the inlet tube below.
Preferably, the right side fixedly connected with second slide bar at inner bag top, the bottom swing joint on second slide bar surface has the slider, the left side of slider and the right side fixed connection of protective housing.
Preferably, a buffer spring is sleeved on the top of the surface of the second sliding rod, and the top and the bottom of the buffer spring are fixedly connected with the top of the inner wall of the shell and the top of the sliding block respectively.
Preferably, the surface of the rotating shaft is sleeved with a sealing gasket at the top of the inner wall of the inner container, and the top of the sealing gasket is fixedly connected with the top of the inner wall of the inner container.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the protective shell, the rotating motor, the rotating shaft, the first connecting rod, the scraping blade, the first semicircular ring, the first pulley, the sliding groove, the first sliding rod, the sliding plate, the second semicircular ring, the second pulley, the steel wire rope, the threaded sleeve, the positive and negative motors, the positive and negative rotating shafts and the threaded rod are matched with each other, so that a good scale prevention effect is achieved, scale can be effectively prevented from being attached to the inner wall of the inner container, the phenomenon that the scale corrodes the inner container is avoided, the potential safety hazard is eliminated, the service life of the electric water heater is prolonged, and great convenience is brought to a user.
2. According to the invention, the second slide bar and the slide block are arranged, so that the limiting effect on the protective shell is achieved, the protective shell is prevented from deviating when moving up and down, the buffer effect on the slide block is achieved by arranging the buffer spring, the slide block is prevented from shaking when moving upwards, the sealing effect on the inner container is achieved by arranging the sealing gasket, and water in the inner container is prevented from flowing out through a gap between the rotating shaft and the inner container.
3. The staggered arrangement of the two sections of rods greatly improves the scraping efficiency and reduces the minimum working length of the rope body, the thread sleeve and the threaded rod.
4. Elastic connection design between doctor-bar and the connecting rod is with the straight section line silk and the arc design of two sections on doctor-bar self cooperation inner bag inner wall straight section line silk and both ends arc design for when accelerating inner bag rate of heating, can also make the straight section of inner bag and arc section homoenergetic obtain good texture and profile adaptation, accelerate scraping efficiency greatly.
Drawings
FIG. 1 is a structural cross-sectional view in elevation of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1.
In the figure: the device comprises a shell 1, a liner 2, a protective shell 3, a rotary motor 4, a rotary rotating shaft 5, a first connecting rod 6, a scraping blade 7, a first semicircular ring 8, a first pulley 9, a sliding groove 10, a first sliding rod 11, a sliding plate 12, a second semicircular ring 13, a second pulley 14, a steel wire rope 15, a threaded sleeve 16, a forward and reverse motor 17, a forward and reverse rotating shaft 18, a threaded rod 19, a water inlet pipe 20, a water outlet pipe 21, a heater 22, a second sliding rod 23, a sliding block 24, a buffer spring 25 and a sealing gasket 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment: referring to fig. 1-2, an energy-saving scale prevention device for an electric water heater comprises a housing 1, a liner 2 is fixedly connected to a midpoint of the bottom of the inner wall of the housing 1, a second slide bar 23 is fixedly connected to the right side of the top of the liner 2, a slide block 24 is movably connected to the bottom of the surface of the second slide bar 23, the left side of the slide block 24 is fixedly connected to the right side of a protective shell 3, the protective shell 3 is limited by the second slide bar 23 and the slide block 24, so as to prevent the protective shell 3 from shifting up and down, a buffer spring 25 is sleeved on the top of the surface of the second slide bar 23, the top and the bottom of the buffer spring 25 are respectively fixedly connected to the top of the inner wall of the housing 1 and the top of the slide block 24, the buffer spring 25 is arranged so as to buffer the slide block 24, so as to prevent the slide block 24 from shaking up, the, a rotating motor 4 is fixedly connected in the protective shell 3, a rotating shaft 5 is fixedly connected on an output shaft of the rotating motor 4, a sealing gasket 26 is sleeved at the position of the surface of the rotating shaft 5 and positioned at the top of the inner wall of the inner container 2, the top of the sealing gasket 26 is fixedly connected with the top of the inner wall of the inner container 2, the sealing function of the inner container 2 is achieved by arranging the sealing gasket 26, water in the inner container 2 is prevented from flowing out through a gap between the rotating shaft 5 and the inner container 2, the bottom of the rotating shaft 5 sequentially penetrates through the protective shell 3 and the inner container 2 from top to bottom and extends to the inside of the inner container 2, scraping sheets 7 are fixedly connected at the left end and the right end of each first connecting rod 6, one side of each scraping sheet 7, far away from the first connecting rod 6, is contacted with the inner wall of the inner container 2, a first semicircular ring 8 is fixedly connected at the middle point of the top of, a sliding groove 10 is arranged on the left side of the inner wall of the shell 1 and corresponds to the position of the protective shell 3, the top and the bottom of the inner wall of the sliding groove 10 are fixedly connected through a first sliding rod 11, the top of the surface of the first sliding rod 11 is movably connected with a sliding plate 12, the right side of the sliding plate 12 penetrates through the sliding groove 10 and extends to the outside of the sliding plate and is fixedly connected with a second semicircular ring 13, a second pulley 14 is fixedly connected on the top of the inner wall of the shell 1 and corresponds to the position of the second semicircular ring 13, a steel wire rope 15 is fixedly connected on the surface of the first semicircular ring 8, one end, far away from the first semicircular ring 8, of the steel wire rope 15 sequentially penetrates through the first pulley 9 and the second pulley 14 and is fixedly connected with the second semicircular ring 13, a threaded sleeve 16 is fixedly connected on the bottom of the inner wall of the shell 1 and is positioned on the left side, the bottom of the forward and reverse rotating shaft 18 penetrates through the sliding plate 12 and extends to the outside of the sliding plate and is fixedly connected with a threaded rod 19 matched with the threaded sleeve 16 for use, the bottom of the threaded rod 19 penetrates through the threaded sleeve 16 and extends to the inside of the threaded sleeve and is connected with the threaded sleeve, the right side of the inner wall of the liner 2 is fixedly connected with a water inlet pipe 20, the right end of the water inlet pipe 20 sequentially penetrates through the liner 2 and the shell 1 from left to right and extends to the outside of the shell 1, the bottom of the inner wall of the liner 2 is fixedly connected with a water outlet pipe 21, the bottom of the water outlet pipe 21 sequentially penetrates through the liner 2 and the shell 1 from top to bottom and extends to the outside of the shell 1, a heater 22 is fixedly connected to the right side of the liner 2 and is positioned below the water inlet pipe 20, and the forward and reverse rotating shaft passes through the protective shell 3, the rotating, The second pulley 14, the steel wire rope 15, the threaded sleeve 16, the positive and negative motor 17, the positive and negative rotating shaft 18 and the threaded rod 19 are matched with each other, so that the scale prevention effect is good, scale can be effectively prevented from being attached to the inner wall of the inner container 2, the condition that the scale corrodes the inner container 2 is avoided, the potential safety hazard is eliminated, the service life of the electric water heater is prolonged, and great convenience is brought to a user.
When the electric water heater is used, when the electric water heater works, the rotating motor 4 is started, the rotating shaft 5 is driven to rotate by the rotating motor 4, the rotating shaft 5 sequentially drives the first connecting rod 6 and the scraping blade 7 to rotate, the inner wall of the inner container 2 is subjected to descaling treatment by the scraping blade 7, the forward and reverse motor 17 is started in a forward direction, the forward and reverse motor 17 drives the forward and reverse shaft 18 to rotate in a forward direction, the forward and reverse shaft 18 drives the threaded rod 19 to rotate in a forward direction, so that the threaded rod 19 moves downwards in the threaded sleeve 16, the sliding plate 12 and the second semicircular ring 13 are sequentially driven to move downwards and simultaneously pull the steel wire rope 15, the first semicircular ring 8, the protective shell 3, the forward and reverse motor 17, the forward and reverse shaft 18, the first connecting rod 6 and the scraping blade 7 are sequentially pulled to move upwards, so that the scraping blade 7 performs omnibearing descaling treatment on the inner wall, the positive and negative motor 17 of reverse start, thereby make threaded rod 19 upwards move in thread bush 16, thereby drive slide 12 and second semicircle ring 13 upwards motion in proper order, thereby make doctor-bar 7 downstream, after doctor-bar 7 moved to suitable position, constantly repeat above step, thereby make doctor-bar 7 constantly rotate and carry out the up-and-down motion and carry out the omnidirectional scale removal processing to the inner wall of inner bag 2, prevent effectively that the incrustation scale from attaching to on the inner wall of inner bag 2, thereby electric water heater's life has been prolonged.
In summary, the following steps: the energy-saving type scale prevention device for the electric water heater solves the problem that the scale prevention effect of a common energy-saving type scale prevention device for the electric water heater is not ideal through mutual matching of a protective shell 3, a rotating motor 4, a rotating shaft 5, a first connecting rod 6, a scraping blade 7, a first semicircular ring 8, a first pulley 9, a sliding groove 10, a first sliding rod 11, a sliding plate 12, a second semicircular ring 13, a second pulley 14, a steel wire rope 15, a threaded sleeve 16, a positive and negative motor 17, a positive and negative rotating shaft 18 and a threaded rod 19.
Second embodiment: an energy-saving scale prevention device for an electric water heater comprises a shell 1, wherein a liner 2 is fixedly connected to the middle point of the bottom of the inner wall of the shell 1, the inner wall of the liner 2 consists of a middle cylindrical smooth section and arc sections at two ends, a textured yarn is arranged on the middle cylindrical smooth section of the inner wall of the liner 2, a protective shell 3 is arranged at the middle point of the top of the liner 2, a rotating motor 4 is fixedly connected to the inside of the protective shell 3, a rotating shaft 5 is fixedly connected to an output shaft of the rotating motor 4, the bottom of the rotating shaft 5 sequentially penetrates through the protective shell 3 and the liner 2 from top to bottom and extends to the inside of the liner 2, a first connecting rod 6 and a second connecting rod are fixedly connected to the inside of the liner 2, the two connecting rods are arranged in a staggered manner in parallel up and down, the second connecting rod is positioned above the first connecting rod and has a length 1/2, the scraping blade 7 consists of two ends of an arc transition chamfer and a middle straight section in the height direction, and a textured yarn is arranged on one side of the straight section close to the inner wall of the inner container 2; one side, far away from the connecting rod, of the scraper 7 is in contact with the inner wall of the inner container 2, a first semicircular ring 8 is fixedly connected to the midpoint of the top of the protective shell 3, a first pulley 9 is fixedly connected to the top of the inner wall of the shell 1 and corresponds to the position of the first semicircular ring 8, a sliding groove 10 is formed in the left side of the inner wall of the shell 1 and corresponds to the position of the protective shell 3, the top and the bottom of the inner wall of the sliding groove 10 are fixedly connected through a first sliding rod 11, a sliding plate 12 is movably connected to the top of the surface of the first sliding rod 11, the right side of the sliding plate 12 penetrates through the sliding groove 10 and extends to the outside of the sliding groove and is fixedly connected with a second semicircular ring 13, a second pulley 14 is fixedly connected to the top of the inner wall of the shell 1 and corresponds to the position of the second semicircular ring 13, a steel wire rope 15 is fixedly connected to the surface of the first semicircular ring 8, and one, a threaded sleeve 16 is fixedly connected at the bottom of the inner wall of the shell 1 and at the left side of the inner container 2, a positive and negative motor 17 is fixedly connected with the top of the sliding plate 12 corresponding to the position of the threaded sleeve 16, a forward and reverse rotating shaft 18 is fixedly connected to an output shaft of the forward and reverse motor 17, the bottom of the forward and reverse rotating shaft 18 penetrates through the sliding plate 12 and extends to the outside of the forward and reverse rotating shaft to be fixedly connected with a threaded rod 19 matched with the threaded sleeve 16, the threaded rod 19 extends at its bottom through the threaded sleeve 16 and extends internally into threaded connection therewith, the right side of the inner wall of the inner container 2 is fixedly connected with a water inlet pipe 20, the right end of the water inlet pipe 20 sequentially penetrates through the inner container 2 and the shell 1 from left to right and extends to the outside of the shell 1, the bottom of the inner wall of the inner container 2 is fixedly connected with a water outlet pipe 21, a conical crushing shaft with a certain length is arranged at the bottom end of the first connecting rod 6 corresponding to the position of the opening 21 of the water outlet pipe; the bottom of the water outlet pipe 21 sequentially penetrates through the inner container 2 and the shell 1 from top to bottom and extends to the outside of the shell 1, and the heater 22 is fixedly connected to the right side of the inner container 2 and is located below the water inlet pipe 20.
In the embodiment, the minimum working length of the rope body, the thread sleeve and the threaded rod is reduced by the design of arranging the double connecting rods and the double scraping blades which are mutually staggered and parallel. Elastic connection design between doctor-bar and the connecting rod is with the straight section line silk and the arc design of two sections on doctor-bar self cooperation inner bag inner wall straight section line silk and both ends arc design for when accelerating inner bag rate of heating, can also make the straight section of inner bag and arc section homoenergetic obtain good texture and profile adaptation, accelerate scraping efficiency greatly. The specific working process in this embodiment is as follows:
because the fall between the first connecting rod and the second connecting rod is close to half of the length of the rotating shaft 5, the rising or falling height of the rotating shaft only needs to be half of that in the first embodiment, and the scraping of the inner wall of the whole inner container can be realized.
In addition, as the conventional inner container structure is a middle cylinder smooth section, and the head parts and the tail parts at the two ends are arc sections, the scraping of the middle cylinder smooth section can only be realized by adopting a common scraping blade, and when the falling sheet of scale cleaning is large, the water cannot be effectively and directly discharged through the bottom water outlet pipe 21.
In this embodiment, adopt elastic connection between doctor-bar and the connecting rod, make the interval between doctor-bar and two connecting rods can the self-adaptation change, when the cylinder smooth section contact in the middle of doctor-bar and the inner bag inner wall, utilize the elasticity of this spring, the doctor-bar is hugged closely on the inner wall and is rotated the scraping with it, when 7 up-and-down motion of doctor-bar is to the segmental arc that is close the both ends head of inner bag, then the spring on the doctor-bar is compressed slowly, the interval between doctor-bar and connecting rod and pivot 5 diminishes gradually, and the circular chamfer design of doctor-bar makes the upper end of this doctor-bar or the lower extreme can be smooth slide in the segmental arc of inner wall, this compressed spring can also make doctor-bar 7 and inner bag inner wall paste tightly when guaranteeing that the doctor-bar can enter into the segmental arc inner wall, guarantee. In addition, the flexible design of the scraping sheet 7 is matched with the elastic connection of the connecting rod 6, so that the attaching degree of the scraping sheet to the inner wall of the inner container is further increased, and the scraping effect is ensured.
In addition, the design of the lines on the smooth section of the middle cylinder on the inner wall of the inner container 2 is matched with the lines on the smooth section of the scraping piece 7, and the lines can effectively and tightly rub the inner wall of the inner container 2 with the scraping piece 7, so that the scale removing capability is enhanced, and meanwhile, the heating area of the inner wall of the inner container can be increased, and the daily heating efficiency is improved.
In addition, a conical crushing shaft with a certain length is arranged at the position, corresponding to the opening of the water outlet pipe 21, of the bottom end of the first connecting rod 6 at the bottom, so that when large scale drops on the outlet of the water outlet pipe 21 and the rotating shaft 5 descends to return to an inner wall arc section close to the lower end of the inner container, the conical crushing shaft and the rotating shaft 5 fall synchronously and enter the water outlet pipe 21 to crush the scale, and the water scale is prevented from being blocked by large scale pieces.
In the above-mentioned clearance in-process, inlet tube 20 is whole to keep opening rivers and lets in the state, washes the incrustation scale in real time, has guaranteed doctor-bar normal operating, and can carry out the surface wetting treatment with the incrustation scale for the clearance is more exquisite.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A energy-saving scale prevention device for electric water heater, including shell (1), its characterized in that: the middle point of the bottom of the inner wall of the shell (1) is fixedly connected with a liner (2), the inner wall of the liner (2) is composed of a middle cylinder smooth section and arc sections at two ends, wherein the middle cylinder smooth section of the inner wall of the liner (2) is provided with a thread, the middle point of the top of the liner (2) is provided with a protective shell (3), the inner part of the protective shell (3) is fixedly connected with a rotating motor (4), an output shaft of the rotating motor (4) is fixedly connected with a rotating shaft (5), the bottom of the rotating shaft (5) sequentially penetrates through the protective shell (3) and the liner (2) from top to bottom and extends to the inner part of the liner (2) and is fixedly connected with a first connecting rod (6) and a second connecting rod, the two connecting rods are arranged in a staggered manner in a vertical parallel manner, and the second connecting rod is positioned above the first connecting rod and is, the left end and the right end of each connecting rod are elastically connected with a flexible material scraping blade (7) through springs, each scraping blade (7) consists of two ends of an arc-shaped transition chamfer and a middle straight section in the height direction, and a textured yarn is arranged on one side, close to the inner wall of the inner container (2), of each straight section; one side of the scraper (7) far away from the connecting rod is in mutual contact with the inner wall of the inner container (2), a first semicircular ring (8) is fixedly connected to the middle point of the top of the protective shell (3), a first pulley (9) is fixedly connected to the top of the inner wall of the shell (1) and corresponds to the position of the first semicircular ring (8), a sliding groove (10) is formed in the left side of the inner wall of the shell (1) and corresponds to the position of the protective shell (3), the top and the bottom of the inner wall of the sliding groove (10) are fixedly connected through a first sliding rod (11), a sliding plate (12) is movably connected to the top of the surface of the first sliding rod (11), the right side of the sliding plate (12) penetrates through the sliding groove (10) and extends to the outer portion of the sliding plate and is fixedly connected with a second semicircular ring (13), a second pulley (14) is fixedly connected to the, the surface of the first semicircular ring (8) is fixedly connected with a steel wire rope (15), one end, far away from the first semicircular ring (8), of the steel wire rope (15) sequentially penetrates through a first pulley (9), a second pulley (14) and a second semicircular ring (13) to be fixedly connected, the inner wall bottom of the shell (1) is fixedly connected with a threaded sleeve (16) at the position on the left side of the inner container (2), the top of the sliding plate (12) is fixedly connected with a positive and negative motor (17) corresponding to the threaded sleeve (16), an output shaft of the positive and negative motor (17) is fixedly connected with a positive and negative rotating shaft (18), the bottom of the positive and negative rotating shaft (18) penetrates through the sliding plate (12) and extends to the outer part of the sliding plate and is fixedly connected with a threaded rod (19) matched with the threaded sleeve (16) for use, and the bottom of the threaded rod (19) penetrates through the threaded sleeve, the right side of the inner wall of the inner container (2) is fixedly connected with a water inlet pipe (20), the right end of the water inlet pipe (20) sequentially penetrates through the inner container (2) and the shell (1) from left to right and extends to the outside of the shell (1), the bottom of the inner wall of the inner container (2) is fixedly connected with a water outlet pipe (21), and a conical crushing shaft with a certain length is arranged at the bottom end of the first connecting rod (6) corresponding to the opening of the water outlet pipe (21); the bottom of outlet pipe (21) from last to running through inner bag (2) and shell (1) and extending to the outside of shell (1) down in proper order, inner bag (2) right side and position fixedly connected with heater (22) that are located inlet tube (20) below, the right side fixedly connected with second slide bar (23) at inner bag (2) top, the bottom swing joint on second slide bar (23) surface has slider (24), the left side of slider (24) and the right side fixed connection of protective housing (3).
2. The energy saving scale prevention device for an electric water heater according to claim 1, wherein: and the top of the surface of the second sliding rod (23) is sleeved with a buffer spring (25), and the top and the bottom of the buffer spring (25) are respectively and fixedly connected with the top of the inner wall of the shell (1) and the top of the sliding block (24).
3. The energy saving scale prevention device for an electric water heater according to claim 2, wherein: the surface of the rotating shaft (5) is sleeved with a sealing gasket (26) at the top of the inner wall of the inner container (2), and the top of the sealing gasket (26) is fixedly connected with the top of the inner wall of the inner container (2).
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| CN108954833B true CN108954833B (en) | 2020-10-13 |
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| CN207357726U (en) * | 2017-09-19 | 2018-05-15 | 刘雅静 | A kind of experiment cup quick cleaner of Chemical Engineering Laboratory |
| CN107606795A (en) * | 2017-10-10 | 2018-01-19 | 无锡市南长实验中学 | A kind of electric heater for being convenient to clean incrustation scale |
| CN207605718U (en) * | 2017-10-21 | 2018-07-13 | 江门市新会区崖门工业总公司 | A kind of chemical reaction kettle convenient for cleaning |
| CN207580572U (en) * | 2017-12-15 | 2018-07-06 | 曾晓茜 | A kind of fluid reservoir |
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| CN108954833A (en) | 2018-12-07 |
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