CN108266899B - Sewage discharging device and water heater - Google Patents
Sewage discharging device and water heater Download PDFInfo
- Publication number
- CN108266899B CN108266899B CN201810259707.2A CN201810259707A CN108266899B CN 108266899 B CN108266899 B CN 108266899B CN 201810259707 A CN201810259707 A CN 201810259707A CN 108266899 B CN108266899 B CN 108266899B
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- ball valve
- rotary handle
- sleeve
- pipe
- sewage
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- 239000010865 sewage Substances 0.000 title claims abstract description 102
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000007599 discharging Methods 0.000 title claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 67
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000003287 bathing Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
Classifications
-
- 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
- F24H9/16—Arrangements for water drainage
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention provides a sewage draining device and a water heater, wherein the sewage draining device comprises a sewage draining pipe of the water heater and a ball valve assembly, the sewage draining pipe is provided with a mounting opening, the ball valve assembly comprises a ball valve sleeve, a ball valve sealing ring, a ball valve core and a rotary handle, the ball valve sleeve is arranged in the sewage draining pipe and is in sealing connection with the inner wall of the sewage draining pipe, the ball valve sealing ring and the ball valve core are arranged in the ball valve sleeve and are used for controlling the on-off of the sewage draining pipe, the side wall of the ball valve sleeve is provided with a connecting hole, the first end of the rotary handle is inserted into the connecting hole and is connected with the ball valve core, and the second end of the rotary handle extends out of the mounting opening. This scheme combines ball valve subassembly and water tank blow off pipe perfection, makes the waste fitting discharging have comprehensive advantages such as small, easy operation, sealed reliable, low cost, and easy manufacturing can promote in batches simultaneously and use, helps driving the industry in the development in the healthy field of water, need not professional service personnel simultaneously and goes up, and the user alright regularly clean the blowdown to the water tank, realizes healthy water, promotes water heater bathing and experiences.
Description
Technical Field
The invention relates to the field of water heaters, in particular to a sewage disposal device and a water heater with the sewage disposal device.
Background
After a certain period of time, the water heater needs to be drained, so that a drain outlet is arranged on the water heater, a drain pipe is connected to the drain outlet, the drain mode of the water heater is generally divided into two modes, one drain mode is to arrange a drain nut at a drain pipe orifice of the water tank, when the water heater needs to be cleaned, the water tank is emptied by unscrewing the drain nut through a wrench, but the drain mode is complex to operate, when the drain nut is screwed down again, the problem of poor sealing caused by improper operation is easy to cause, water leakage of the water tank is caused, so that the water tank is drained, the drain of the water tank needs to be carried out on a gate by special service personnel, time is consumed, additional cost is required to be paid, and meanwhile, sewage is directly discharged without a special drain pipe, and the sewage is easy to pollute the ground. Another sewage discharging mode is that a ball valve is connected to the pipe orifice of the sewage discharging pipe of the water tank, when the water heater needs sewage discharging, the ball valve is opened to discharge sewage, but the ball valve is additionally arranged at the end part of the sewage discharging pipe, so that a large space is occupied, and the aesthetic feeling of the product appearance is directly influenced.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art.
It is therefore an object of the present invention to provide a sewage disposal device which is compact, low in cost and good in experience.
Another object of the present invention is to provide a water heater comprising the above-mentioned sewage disposal device.
To achieve the above object, an embodiment of the first aspect of the present invention provides a sewage draining device for a water heater, where the water heater includes a water tank, a sewage draining pipe is installed on the water tank, the sewage draining device includes the sewage draining pipe and a ball valve assembly, a first end of the sewage draining pipe is connected and communicated with the water tank, and the sewage draining pipe is provided with an installation opening, the ball valve assembly includes a ball valve sleeve, a ball valve sealing ring, a ball valve core and a spin handle, the ball valve sleeve is installed in the sewage draining pipe, the ball valve sleeve is in a circular tube shape, and is in sealing connection with an inner wall of the sewage draining pipe, the ball valve sealing ring and the ball valve core are installed in the ball valve sleeve, a drain hole is provided on the ball valve core, the ball valve core is in interference fit with the ball valve sealing ring and can rotate relative to the ball valve sealing ring so as to control on-off of the sewage draining pipe, a connecting hole is provided on a side wall of the ball valve sleeve, a first end of the spin handle is connected with the ball valve core, a second end of the spin handle extends out of the connecting hole and the installation opening, and the ball valve core is used for driving the spin handle to rotate.
According to the scheme, the ball valve assembly is embedded and installed in the drain pipe, the rotary handle extends out of the installation opening of the drain pipe, and a user can control the on-off of the ball valve assembly by rotating the rotary handle, so that drain work is carried out. Compared with the scheme that the ball valve is directly installed at the end of the sewage pipe in the prior art, the space occupied by the sewage disposal device is smaller, the aesthetic property of a water heater product can be improved, and the production cost of the sewage disposal device is lower, so that the selling price of the product can be reduced, and the market competitiveness of the product is improved. Compared with the scheme of adopting the blowdown nut in the prior art, the operation degree of difficulty of blowdown is low, and the reliability of closed blow off pipe is high after the blowdown is ended, consequently need not professional attendant and go up the door, the user alright be relaxed regularly clean the blowdown to the water tank, realize healthy water, thereby promote water heater bathing and experience, in addition, when the blowdown, can dredge sewage to the drain mouth or hold in the container that connects sewage through the drain pipe, avoid the dirty ground, thereby further promote user's experience and feel.
In the above technical scheme, the external diameter of the ball valve sleeve is adapted to the internal diameter of the drain pipe, and a first sealing ring is arranged between the external side wall of the ball valve sleeve and the internal side wall of the drain pipe.
In this scheme, the external diameter of ball valve cover and the internal diameter adaptation of blow off pipe to set up first sealing washer between ball valve cover lateral wall and blow off pipe inside wall, seal the gap between ball valve cover lateral wall and the blow off pipe inside wall through first sealing washer, in order to prevent to seal the problem emergence that leads to the blow off pipe to leak because of this position.
In any of the above technical solutions, preferably, the first end of the ball valve sleeve is provided with a first annular limiting rib, the second end of the ball valve sleeve is provided with an internal thread, the sewage draining device further comprises a ball valve sealing ring limiting nut, the ball valve sealing ring limiting nut is provided with an external thread, the ball valve sealing ring limiting nut is in threaded connection with the second end of the ball valve sleeve, and two ends of the ball valve sealing ring respectively collide with the first annular limiting rib and the ball valve sleeve limiting nut.
The position of the ball valve sealing ring is fixed through the first annular limiting rib and the ball valve sealing ring limiting nut which are arranged on the ball valve sleeve, so that the assembly operation of the ball valve assembly is simple, and the assembly efficiency of the sewage disposal device can be improved.
In any of the above technical solutions, preferably, the sewage draining device further includes a ball valve sleeve limit nut, an external thread is provided on the ball valve sleeve limit nut, an internal thread is provided at a second end of the sewage draining pipe, the ball valve sleeve limit nut is connected with the second end of the sewage draining pipe through threads, a second annular limit rib is provided in the sewage draining pipe, and two ends of the ball valve sleeve respectively collide with the second annular limit rib and the ball valve sleeve limit nut.
The position of the ball valve sleeve is fixed through the second annular limiting rib and the ball valve sleeve limiting nut which are arranged in the sewage disposal pipe, so that the assembly operation of the sewage disposal device is simple, and the assembly efficiency of the sewage disposal device can be improved.
In any of the above technical solutions, preferably, an interface extending radially along the drain pipe is provided at a position of the mounting opening of the drain pipe, and the drain apparatus further includes a rotary handle sleeve, the rotary handle sleeve is sleeved on the rotary handle, and the rotary handle sleeve is in interference fit with an inner wall of the interface.
According to the scheme, the rotary handle sleeve is sleeved on the rotary handle, the inner side wall of the rotary handle sleeve is in interference fit with the rotary handle, the outer side wall of the rotary handle sleeve is in interference fit with the inner wall of the connector, and therefore the rotary handle is radially limited.
In any of the above technical solutions, preferably, the sewage draining device further includes a rotation handle limiting nut, an external thread is provided on the rotation handle limiting nut, an internal thread is provided at an end of the interface, the rotation handle limiting nut is connected with the end of the interface through threads, and two ends of the rotation handle sleeve respectively collide with the ball valve sleeve and the rotation handle limiting nut.
In any of the above technical solutions, preferably, the rotation handle is provided with a limiting boss, and two ends of the limiting boss respectively abut against the ball valve sleeve and the rotation handle limiting nut.
According to the scheme, the rotary handle limiting nut is arranged at the end part of the interface, one end of the rotary handle and one end of the rotary handle sleeve are abutted against the ball valve sleeve, and the other end of the rotary handle and the rotary handle sleeve are abutted against the rotary handle limiting nut so as to axially limit the rotary handle and the rotary handle sleeve, thereby fixing the positions of the rotary handle and the rotary handle sleeve, the assembly operation of the pollution discharge device is simple, and the assembly efficiency of the pollution discharge device can be improved.
In any of the above technical solutions, preferably, a second sealing ring is disposed between the rotary handle sleeve and the inner wall of the interface, and a third sealing ring is disposed between the rotary handle sleeve and the rotary handle.
According to the scheme, the second sealing ring is arranged between the rotary handle sleeve and the inner wall of the interface, and the gap between the rotary handle sleeve and the inner wall of the interface is sealed through the second sealing ring, so that the problem of drain pipe water leakage caused by the fact that the position is not tightly sealed is prevented. Meanwhile, the third sealing ring is arranged between the rotary handle and the rotary handle sleeve, and the gap between the rotary handle and the rotary handle sleeve is sealed through the third sealing ring, so that the problem of drain pipe water leakage caused by the fact that the position is not tightly sealed is prevented.
In any of the above technical solutions, preferably, the sewage draining device further includes a knob, and the second end of the knob extends out of the interface and is fixedly connected with the knob.
According to the scheme, the knob is arranged at the second end of the rotary handle, so that the knob is convenient for a user to grasp and exert force, and the user can rotate the rotary handle more easily, so that the use feeling of the user can be improved.
In any of the above technical solutions, preferably, a first limit bump and a second limit bump are disposed on an outer sidewall of the interface, a limit bump is disposed on the knob, the knob has a valve opening position and a valve closing position relative to the interface, when the knob rotates to the valve closing position, the limit bump is in conflict with the first limit bump, and the ball valve assembly blocks the drain pipe, when the knob rotates to the valve opening position, the limit bump is in conflict with the second limit bump, and the ball valve assembly enables the drain pipe to be conducted.
In the scheme, a limiting structure is arranged between a knob and a drain pipe interface, when the knob rotates to a valve closing position, a limiting protrusion is abutted against a first limiting protrusion, at the moment, a ball valve core drain hole is staggered from a through hole on a ball valve sealing ring, and the ball valve sealing ring and the ball valve core form spherical surface sealing, so that the drain pipe is sealed; when the knob rotates to the valve opening position, the limiting protrusion is abutted against the second limiting protrusion, and at the moment, the drain hole on the ball valve core is aligned with the through hole on the ball valve sealing ring, so that the drain pipe is conducted. Typically, the rotation angle of the knob from the open valve position to the closed valve position is 90 degrees.
In any of the above solutions, preferably, the first end of the drain pipe is welded to the water tank.
In this scheme, blow off pipe and water tank welding can guarantee the leakproofness of blow off pipe and water tank hookup location when fixing the blow off pipe to the water tank like this.
An embodiment of the second aspect of the present invention provides a water heater comprising a water tank and a drain as provided in any of the embodiments of the first aspect of the present invention, the drain being connected to the water tank.
The water heater provided by the embodiment of the second aspect of the present invention has the sewage disposal device provided by any one of the embodiments of the first aspect of the present invention, so that the water heater has all the beneficial effects of the sewage disposal device provided by any one of the embodiments, and will not be described herein.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a sewage disposal device according to an embodiment of the present invention;
FIG. 2 is a schematic front view of the drain shown in FIG. 1;
FIG. 3 is a right side schematic view of the drain shown in FIG. 2;
FIG. 4 is a schematic bottom view of the drain shown in FIG. 2;
FIG. 5 is a schematic top view of the drain shown in FIG. 2;
fig. 6 is a schematic cross-sectional view of the drain A-A shown in fig. 5.
Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 6 is:
the novel valve comprises a drain pipe 1, a ball valve sealing ring 2, a ball valve core 3, a ball valve sleeve 4, a first annular limiting rib 5, a second annular limiting rib 6, a ball valve sealing ring limiting nut 7, a ball valve sleeve limiting nut 8, a rotary handle 9, a limiting boss 10, an interface 11, a rotary handle sleeve 12, a first sealing ring 13, a second sealing ring 14, a third sealing ring 15, a rotary handle limiting nut 16, a knob 17, a limiting bulge 18, a first limiting lug 19 and a second limiting lug 20.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
An embodiment of the first aspect of the present invention provides a sewage disposal device for a water heater, the water heater comprises a water tank, a sewage disposal pipe is installed on the water tank, as shown in fig. 1 to 6, the sewage disposal device comprises a sewage disposal pipe 1 and a ball valve assembly of the water tank, a first end of the sewage disposal pipe 1 is connected and communicated with the water tank, a mounting opening is arranged on the sewage disposal pipe 1, the ball valve assembly comprises a ball valve sleeve 4, a ball valve sealing ring 2, a ball valve core 3 and a rotary handle 9, the ball valve sleeve 4 is installed in the sewage disposal pipe 1, the ball valve sleeve 4 is in a circular pipe shape, the ball valve sleeve 4 is in sealing connection with an inner wall of the sewage disposal pipe 1, the ball valve sealing ring 2 and the ball valve core 3 are installed in the ball valve sleeve 4, a drain hole is arranged on the ball valve core 3 in a collision fit with the ball valve sealing ring 2 and can rotate relative to the ball valve sealing ring 2 so as to control the on-off of the sewage disposal pipe 1, a connecting hole is arranged on a side wall of the ball valve sleeve 4, a first end of the rotary handle 9 is inserted and is connected with the ball valve core 3, a second end of the rotary handle 9 extends out of the connecting hole and the mounting opening.
This scheme installs ball valve subassembly embedding in blow off pipe 1, and revolves handle 9 and stretch out by blow off pipe 1 installing port, and the user is through revolving the steerable ball valve subassembly break-make of handle 9 to carry out blowdown work. Compared with the scheme that the ball valve is directly installed at the end part of the sewage drain pipe 1 in the prior art, the space occupied by the sewage drain device is smaller, the aesthetic property of a water heater product can be improved, and the production cost of the sewage drain device is lower, so that the selling price of the product can be reduced, and the market competitiveness of the product is improved. Compared with the scheme of adopting the blowdown nut in the prior art, the operation degree of difficulty of blowdown is low, and the reliability of closed blow off pipe 1 after the blowdown is finished is high, consequently, need not professional service personnel and go up the door, the user alright be relaxed regularly clean the blowdown to the water tank, realize healthy water, thereby promote water heater bathing and experience, in addition, when the blowdown, can dredge sewage to the drain mouth or hold in the container that connects sewage through the drain pipe at the end connection drain pipe of blow off pipe 1, avoid the dirty ground, thereby further promote user's experience and feel.
In the above technical scheme, the external diameter of the ball valve sleeve 4 is adapted to the internal diameter of the drain pipe 1, and a first sealing ring 13 is arranged between the external side wall of the ball valve sleeve 4 and the internal side wall of the drain pipe 1.
In this scheme, the external diameter of ball valve cover 4 and the internal diameter adaptation of blow off pipe 1 to set up first sealing washer 13 between ball valve cover 4 lateral wall and blow off pipe 1 inside wall, seal the gap between ball valve cover 4 lateral wall and blow off pipe 1 inside wall through first sealing washer 13, in order to prevent to lead to blow off pipe 1 to leak the problem emergence because of this position is sealed not tight.
In any of the above technical solutions, preferably, the first end of the ball valve sleeve 4 is provided with a first annular limiting rib 5, the second end is provided with an internal thread, the sewage disposal device further comprises a ball valve sealing ring limiting nut 7, the ball valve sealing ring limiting nut 7 is provided with an external thread, the ball valve sealing ring limiting nut 7 is in threaded connection with the second end of the ball valve sleeve 4, and two ends of the ball valve sealing ring 2 are respectively abutted against the first annular limiting rib 5 and the ball valve sleeve limiting nut 8.
The position of ball valve sealing ring 2 is fixed through setting up first annular spacing muscle 5 and ball valve sealing ring stop nut 7 that set up on ball valve cover 4 to this scheme, and the assembly operation of design ball valve subassembly is simple like this to can promote drain's assembly efficiency.
In any of the above technical solutions, preferably, the sewage draining device further comprises a ball valve sleeve limit nut 8, an external thread is arranged on the ball valve sleeve limit nut 8, an internal thread is arranged at the second end of the sewage draining pipe 1, the ball valve sleeve limit nut 8 is connected with the second end of the sewage draining pipe 1 through threads, a second annular limit rib 6 is arranged in the sewage draining pipe 1, and two ends of the ball valve sleeve 4 are respectively abutted against the second annular limit rib 6 and the ball valve sleeve limit nut 8.
The position of the ball valve sleeve 4 is fixed through the second annular limiting rib 6 and the ball valve sleeve limiting nut 8 which are arranged in the sewage disposal pipe 1, so that the assembly operation of the sewage disposal device is simple, and the assembly efficiency of the sewage disposal device can be improved.
In any of the above technical solutions, preferably, the mounting opening of the drain pipe 1 is provided with an interface 11 extending along the radial direction of the drain pipe 1, the drain apparatus further includes a rotary handle sleeve 12, the rotary handle sleeve 12 is sleeved on the rotary handle 9, and the rotary handle sleeve 12 is in interference fit with the inner wall of the interface 11.
According to the scheme, the rotary handle 9 is sleeved with the rotary handle sleeve 12, the inner side wall of the rotary handle sleeve 12 is in interference fit with the rotary handle 9, the outer side wall of the rotary handle sleeve 12 is in interference fit with the inner wall of the connector 11, and therefore the rotary handle 9 is radially limited.
In any of the above technical solutions, preferably, the sewage draining device further includes a rotary handle sleeve limit nut 16, an external thread is provided on the rotary handle sleeve limit nut 16, an internal thread is provided at an end of the interface 11, the rotary handle sleeve limit nut 16 is connected with an end of the interface 11 through threads, and two ends of the rotary handle sleeve 12 respectively collide with the ball valve sleeve 4 and the rotary handle sleeve limit nut 16.
In any of the above technical solutions, preferably, the knob 9 is provided with a limiting boss 10, and two ends of the limiting boss 10 respectively abut against the ball valve sleeve 4 and the knob sleeve limiting nut 16.
According to the scheme, the rotary handle sleeve limit nut 16 is arranged at the end part of the interface 11, one ends of the rotary handle 9 and the rotary handle sleeve 12 are abutted against the ball valve sleeve 4, and the other ends of the rotary handle 9 and the rotary handle sleeve 12 are abutted against the rotary handle sleeve limit nut 16, so that the rotary handle 9 and the rotary handle sleeve 12 form axial limit, the positions of the rotary handle 9 and the rotary handle sleeve 12 are fixed, the assembly operation of the pollution discharge device is simple, and the assembly efficiency of the pollution discharge device can be improved.
Specifically, a limiting groove is formed in the outer side wall of the ball valve sleeve 4 at a position opposite to the drain outlet interface 11, and the rotary handle sleeve 12 and the limiting boss 10 are inserted into the limiting groove and are abutted against the bottom wall of the limiting groove.
In any of the above technical solutions, preferably, a second sealing ring 14 is provided between the rotary handle sleeve 12 and the inner wall of the joint 11, and a third sealing ring 15 is provided between the rotary handle sleeve 12 and the rotary handle 9.
The second sealing ring 14 is arranged between the rotary handle sleeve 12 and the inner wall of the interface 11, and the gap between the rotary handle sleeve 12 and the inner wall of the interface 11 is sealed through the second sealing ring 14, so that the problem of water leakage of the sewage pipe 1 caused by the sealing of the position is prevented. Meanwhile, the third sealing ring 15 is arranged between the rotary handle 9 and the rotary handle sleeve 12, and the gap between the rotary handle 9 and the rotary handle sleeve 12 is sealed through the third sealing ring 15, so that the problem of water leakage of the sewage pipe 1 caused by the fact that the sealing at the position is not tight is solved.
In any of the above solutions, preferably, the sewage draining device further comprises a knob 17, and the second end of the knob 9 extends out of the interface 11 and is fixedly connected with the knob 17.
According to the scheme, the knob 17 is arranged at the second end of the rotary handle 9, and the knob 17 is convenient for a user to grasp and exert force, so that the user can rotate the rotary handle 9 more easily, and the use feeling of the user can be improved.
In any of the above technical solutions, preferably, the outer side wall of the interface 11 is provided with a first limiting bump 19 and a second limiting bump 20, the knob 17 is provided with a limiting bump 18, and the knob 17 has a valve opening position and a valve closing position relative to the interface 11, when the knob 17 rotates to the valve closing position, the limiting bump 18 collides with the first limiting bump 19, and the ball valve assembly blocks the drain pipe 1, and when the knob 17 rotates to the valve opening position, the limiting bump 18 collides with the second limiting bump 20, and the ball valve assembly conducts the drain pipe 1.
In the scheme, a limiting structure is arranged between a knob 17 and an interface 11 of a drain pipe 1, when the knob 17 rotates to a valve closing position, a limiting protrusion 18 is abutted against a first limiting protrusion 19, at the moment, a drain hole of a ball valve core 3 is staggered with a through hole on a ball valve sealing ring 2, and the ball valve sealing ring 2 and the ball valve core 3 form spherical surface sealing, so that the drain pipe 1 is sealed; when the knob 17 rotates to the valve opening position, the limiting protrusion 18 is abutted against the second limiting protrusion 20, and at the moment, the drain hole on the ball valve core 3 is aligned with the through hole on the ball valve sealing ring 2, so that the drain pipe 1 is conducted. Typically, the rotation angle of the knob 17 from the open valve position to the closed valve position is 90 degrees.
In any of the above solutions, it is preferred that the first end of the drain pipe 1 is welded to the tank.
In this scheme, drain 1 and water tank welding can guarantee the leakproofness of drain 1 and water tank hookup location when fixing drain 1 to the water tank like this.
An embodiment of the second aspect of the present invention provides a water heater comprising a water tank and a drain as provided in any of the embodiments of the first aspect of the present invention, the drain being connected to the water tank.
The water heater provided by the embodiment of the second aspect of the present invention has the sewage disposal device provided by any one of the embodiments of the first aspect of the present invention, so that the water heater has all the beneficial effects of the sewage disposal device provided by any one of the embodiments, and will not be described herein.
In the description of the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly specified and limited otherwise; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present description, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A sewage disposal device is used for a water heater, the water heater comprises a water tank, a sewage disposal pipe is arranged on the water tank, and is characterized in that,
the sewage draining device comprises a sewage draining pipe and a ball valve assembly, wherein a first end of the sewage draining pipe is connected with the water tank and is communicated with the water tank, a mounting hole is formed in the sewage draining pipe, the ball valve assembly comprises a ball valve sleeve, a ball valve sealing ring, a ball valve core and a rotary handle, the ball valve sleeve is mounted in the sewage draining pipe, the ball valve sleeve is in a circular pipe shape and is in sealing connection with the inner wall of the sewage draining pipe, the ball valve sealing ring and the ball valve core are mounted in the ball valve sleeve, a drain hole is formed in the ball valve core, the ball valve core is in abutting fit with the ball valve sealing ring and can rotate relative to the ball valve sealing ring so as to control the sewage draining pipe to be opened and closed, a connecting hole is formed in the side wall of the ball valve sleeve, the first end of the rotary handle is connected with the ball valve core, and a second end of the rotary handle extends out of the connecting hole and the mounting hole, and the rotary handle is used for driving the ball valve core to rotate.
The mounting port of the drain pipe is provided with a port extending along the radial direction of the drain pipe;
the sewage discharging device further comprises a rotary handle sleeve and a rotary handle limiting nut, wherein an external thread is arranged on the rotary handle limiting nut, an internal thread is arranged at the end part of the interface, the rotary handle limiting nut is connected with the end part of the interface through threads, and two ends of the rotary handle sleeve are respectively abutted against the ball valve sleeve and the rotary handle limiting nut;
a limiting boss is arranged on the rotary handle, and two ends of the limiting boss are respectively abutted against the ball valve sleeve and the rotary handle limiting nut;
the position on the outer side wall of the ball valve sleeve, which is opposite to the sewage outlet interface, is provided with a limit groove, and the rotary handle sleeve and the limit boss are inserted into the limit groove and are abutted against the bottom wall of the limit groove.
2. A sewage disposal device as claimed in claim 1, wherein,
the outer diameter of the ball valve sleeve is matched with the inner diameter of the sewage drain pipe, and a first sealing ring is arranged between the outer side wall of the ball valve sleeve and the inner side wall of the sewage drain pipe.
3. A sewage disposal device as claimed in claim 2, wherein,
the first end of ball valve barrel is equipped with first annular spacing muscle, the second end is equipped with the internal thread, drain still includes ball valve seal circle stop nut, be equipped with the external screw thread on the ball valve seal circle stop nut, ball valve seal circle stop nut with the ball valve sleeve the second end passes through threaded connection, the both ends of ball valve seal circle respectively with first annular spacing muscle and ball valve sleeve stop nut are contradicted.
4. A sewage disposal device as claimed in claim 1, wherein,
the sewage draining device further comprises a ball valve sleeve limit nut, an external thread is arranged on the ball valve sleeve limit nut, an internal thread is arranged at the second end of the sewage draining pipe, the ball valve sleeve limit nut is connected with the second end of the sewage draining pipe through threads, a second annular limit rib is arranged in the sewage draining pipe, and two ends of the ball valve sleeve are respectively abutted to the second annular limit rib and the ball valve sleeve limit nut.
5. A sewage disposal device as claimed in claim 4, wherein,
the rotary handle sleeve is sleeved on the rotary handle, and the rotary handle sleeve is in interference fit with the inner wall of the interface.
6. A sewage disposal device as claimed in claim 5, wherein,
a second sealing ring is arranged between the rotary handle sleeve and the inner wall of the connector, and a third sealing ring is arranged between the rotary handle sleeve and the rotary handle.
7. A sewage disposal device as claimed in claim 1, wherein,
the sewage draining device further comprises a knob, and the second end of the rotary handle extends out of the interface and is fixedly connected with the knob.
8. The sewage apparatus as claimed in claim 7, wherein,
be equipped with first spacing lug and the spacing lug of second on the lateral wall of interface, be equipped with spacing arch on the knob, just the knob is relative the interface has valve position and closes the valve position, the knob is rotatory to when closing the valve position, spacing arch with first spacing lug is contradicted, just the ball valve assembly will the blow off pipe blocks, the knob is rotatory to when opening the valve position, spacing arch with the spacing lug of second is contradicted, just the ball valve assembly makes the blow off pipe switches on.
9. A sewage disposal device as claimed in any one of claims 1 to 8,
the first end of the blow-down pipe is welded with the water tank.
10. A water heater comprising a water tank and a drain as claimed in any one of claims 1 to 9, the drain being connected to the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810259707.2A CN108266899B (en) | 2018-03-27 | 2018-03-27 | Sewage discharging device and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810259707.2A CN108266899B (en) | 2018-03-27 | 2018-03-27 | Sewage discharging device and water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108266899A CN108266899A (en) | 2018-07-10 |
| CN108266899B true CN108266899B (en) | 2024-01-30 |
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| CN201810259707.2A Active CN108266899B (en) | 2018-03-27 | 2018-03-27 | Sewage discharging device and water heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109578653B (en) * | 2018-11-21 | 2024-06-18 | 海信(广东)厨卫系统有限公司 | Pollution discharge control valve and water heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7762280B2 (en) * | 2007-04-20 | 2010-07-27 | Jomar International Ltd. | Valve for tankless water heater |
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| CN202629246U (en) * | 2012-04-18 | 2012-12-26 | 浙江万鑫自控科技有限公司 | Compact blow-down valve |
| CN203404981U (en) * | 2013-05-27 | 2014-01-22 | 芜湖美的厨卫电器制造有限公司 | Water heater |
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| CN108266899A (en) | 2018-07-10 |
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