CN207438874U - Water heater - Google Patents

Abstract

The utility model discloses a kind of water heater, including：Liner, liner have sewage draining exit；Blow-off pipe, blow-off pipe are connected to sewage draining exit, and blow-off pipe includes：Drain valve pipeline section, drain valve pipeline section have what is connected with sewage draining exit to go out water passage, drain valve are equiped in drain valve pipeline section, the peripheral wall of drain valve pipeline section is formed with sliding slot, and drain valve includes：Definite ceramic chip and dynamic porcelain piece, the periphery wall of the dynamic porcelain piece are equipped with first connecting portion, and the diameter of the dynamic porcelain piece and the definite ceramic chip is greater than or equal to 28MM, the small half equal to the dynamic porcelain piece and the definite ceramic chip cross-sectional area of drainage area of the osculum；Knob, knob are rotationally set around the outer circumferential surface of drain valve pipeline section and opposite with sliding slot, and the inner peripheral surface of knob is equipped with the second connecting portion with first connecting portion cooperation, and knob driving dynamic porcelain piece rotates between the first location and the second location；Valve deck.It is big according to the water yield of the water heater of the utility model embodiment, and product quality is high.

Description

Water heater

Technical field

The utility model belongs to an electro-technical field more particularly to a kind of water heater.

Background technology

Water heater is by the break-make of drain valve (such as ball valve) control of sewage disposal pipe in correlation technique, since ball valve is using one Section the time after get rusty easily, therefore, blow-off pipe often occur can not proper drainage situation.

Utility model content

The utility model is intended to solve one of above-mentioned technical problem at least to a certain extent.

For this purpose, the utility model proposes a kind of water heaters, the water heater blowdown is convenient, and service life is long.

According to the water heater of the utility model embodiment, including：Liner, the liner have sewage draining exit；Blow-off pipe, it is described Blow-off pipe is connected to the sewage draining exit, and the blow-off pipe includes：Drain valve pipeline section, the drain valve pipeline section have and the blowdown Mouth connection goes out water passage, drain valve is equiped in the drain valve pipeline section, the drain valve pipeline section structure sets out valve chamber, the row The peripheral wall of water valve pipeline section is formed with the sliding slot for extending along its circumferential direction and being communicated with the valve chamber, and the drain valve includes：Edge The definite ceramic chip and dynamic porcelain piece of the drain valve pipeline section radially installed, the dynamic porcelain piece and definite ceramic chip, which are equipped with, penetrates through the dynamic porcelain piece With the osculum of definite ceramic chip upper and lower surface, the osculum connects to form out water passage with the valve chamber, and the definite ceramic chip is opposite The valve chamber position is fixed, and the dynamic porcelain piece is rotatably mounted in the valve chamber, and the periphery wall of the dynamic porcelain piece is equipped with the The diameter of one connecting portion, the dynamic porcelain piece and the definite ceramic chip is greater than or equal to 28MM；Knob, the knob rotationally winding In the outer circumferential surface of the drain valve pipeline section and opposite with the sliding slot, the inner peripheral surface of the knob is equipped with second connecting portion, described Second connecting portion coordinates with the first connecting portion, and the knob drives the dynamic porcelain piece between the first location and the second location Rotate, when the dynamic porcelain piece is located at first position, it is described go out water passage turn on, when the dynamic porcelain piece is in the second position, institute Stating the osculum of dynamic porcelain piece and the definite ceramic chip can not turn on, the water outlet path blockade；Valve deck with drainage channel, The lower part that the valve deck is connected to the drain valve tube wall is used to limit the dynamic porcelain piece and the definite ceramic chip in the axial direction Degree of freedom, the passage are communicated with the valve chamber.

According to the water heater of the utility model embodiment, by the way that the diameter of dynamic porcelain piece and definite ceramic chip is greater than or equal to 28MM, the small half equal to dynamic porcelain piece and definite ceramic chip cross-sectional area of drainage area of osculum, can realize Quick drainage Demand, and higher integral strength for dynamic porcelain piece and definite ceramic chip, and not easy to break, the water yield of the water heater is big, and product quality It is high.

In addition, according to the water heater of the utility model embodiment, there can also be following additional technical characteristic：

One embodiment according to the present utility model, the first connecting portion or second connecting portion are notch or convex block.

One embodiment according to the present utility model, the blow-off pipe further include：Stretch into the extension rod tube in the liner Section, the extension rod pipeline section side wall are formed with apopore, and the water in the liner enters the blow-off pipe by the apopore Discharge, the minimum end face of the apopore are less than the liner inner bottom wall or concordant with the liner inner bottom wall；For with it is described The connection of liner sewage draining exit is fixedly connected with pipeline section, and the pipeline section that is fixedly connected is connected to the extension rod pipeline section lower part, described solid Surely connection pipeline section is communicated with the valve chamber and the apopore.

One embodiment according to the present utility model, the internal perisporium of the sewage draining exit are equipped with the first internal thread, the fixation The periphery wall of pipeline section is connected equipped with the first external screw thread with first screw-internal thread fit.

One embodiment according to the present utility model, the extension rod pipeline section are U-shaped frame, and the U-shaped frame structure is set out at least The two symmetrical apopores, the longitudinal section of the apopore is square.

One embodiment according to the present utility model has the first internal thread at the liner sewage draining exit, described to be fixedly connected Pipeline section is hollow screw, and the hollow screw is communicated with the valve chamber, and the periphery wall of the hollow screw is equipped with and the blowdown First external screw thread of the first screw-internal thread fit of mouth.

One embodiment according to the present utility model, the extension rod pipeline section are U-shaped frame, and the U-shaped frame structure is set out at least Two symmetrical apopores, the longitudinal section of the apopore are square.

One embodiment according to the present utility model, the extension rod pipeline section include：First linking arm and the second linking arm, The lower end of first linking arm and second linking arm is connected with the upper end for being fixedly connected with pipeline section；Installing plate, it is described Installing plate is connected to the upper end of first linking arm and second linking arm, and mounting hole is formed on the installing plate, The water heater further includes magnesium stick, and one end of the magnesium stick is installed in the mounting hole.

One embodiment according to the present utility model, the magnesium stick include：Small diameter part, the small diameter part stretch into the installation In hole, the upper end of the small diameter part is higher than the upper surface of the installing plate；Large diameter part, the large diameter part are connected to the small diameter part Upper end, between the lower face of large diameter part and the upper surface of the installing plate be equipped with spring washer.

One embodiment according to the present utility model, the blow-off pipe is in the pipeline section lower end that is fixedly connected equipped with convex annular Platform, the lower end circumferential surface for being fixedly connected with pipeline section are equipped with the first sealing ring, and the first sealing ring lower end is only butted on the annular The upper surface of boss.

One embodiment according to the present utility model, the drain valve further include：Tile is supported, the tile that supports is along footpath To being installed in the valve chamber for supporting the definite ceramic chip and the dynamic porcelain piece, wherein, the supporting tile and the dynamic porcelain Piece contact surface is shiny surface.

One embodiment according to the present utility model, the supporting tile is hollow loop configuration or the supporting tile It is identical with the shape and structure of the dynamic porcelain piece.

One embodiment according to the present utility model, the blow-off pipe further include：Second sealing ring, the upper end of the valve deck Recess is formed with the card slot with second sealing ring cooperation downwards.

One embodiment according to the present utility model, second sealing ring include：Ring packing rib, the annular are close Envelope rib is caught in the card slot；Tablet, the lower surface of the tablet fit in the upper surface of the valve deck, the tablet it is upper Surface and the lower surface of the supporting tile coordinate.

The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description In become apparent or recognized by the practice of the utility model.

Description of the drawings

The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment Become apparent and be readily appreciated that, wherein：

Fig. 1 is the sectional view according to the water heater of the utility model one embodiment；

Fig. 2 is the partial enlarged view at A in Fig. 1；

Fig. 3 is the partial enlarged view at B in Fig. 1；

Blow-off pipes of the Fig. 4 according to the utility model one embodiment and the sectional view after the assembling of magnesium stick；

Fig. 5 is the exploded view of the blow-off pipe according to the utility model one embodiment and magnesium stick；

Fig. 6 is the stereogram according to the blow-off pipe of the utility model one embodiment；

Fig. 7 is the stereogram according to the valve deck of the utility model one embodiment；

Fig. 8 is the stereogram according to the dynamic porcelain piece of the utility model one embodiment；

Fig. 9 is the stereogram according to the definite ceramic chip of the utility model one embodiment；

Figure 10 is the stereogram according to the knob of the utility model one embodiment.

Reference numeral：

Water heater 100；

Liner 10；Water storage cavity 11；

Blow-off pipe 20；

Extension rod pipeline section 21；Apopore 211；First linking arm 212；Second linking arm 213；Installing plate 214；Mounting hole 2141；

It is fixedly connected with pipeline section 22；Rotary connection plate 221；Annular convex platform 2211；Grip part 2212；

Drain valve pipeline section 23；Dynamic porcelain piece 231；First connecting portion 2311；Definite ceramic chip 232；Osculum 233；Support tile 234；Sliding slot 235；Valve deck 24；Card slot 241；Passage 242；

Knob 25；Second connecting portion 251；

Handle 26；

Extension tube 27；

Magnesium stick 30；Small diameter part 31；Large diameter part 32；

Water inlet pipe 40；

Outlet pipe 50；

Spring washer 60；

First sealing ring 70；

Second sealing ring 80.

Specific embodiment

The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that the utility model Limitation.

Referring to Fig. 1-Figure 10 descriptions according to the water heater 100 of the utility model embodiment, as shown in Figure 1, the hot water Device 100 includes：Liner 10, water inlet pipe 40, outlet pipe 50 and blow-off pipe 20.Wherein, liner 10 limits water storage cavity 11, liner 10 have the sewage draining exit connected with water storage cavity 11, and blow-off pipe 20 is connected to sewage draining exit.

As shown in Figure 1, liner 10 limits the water storage cavity 11 with water inlet, water outlet and sewage draining exit, wherein, water inlet Equipped with the water inlet pipe 40 with water storage cavity 11 and extraneous pipeline connection, water outlet is equipped with to be gone out with water storage cavity 11 and external world's pipeline connection Water pipe 50, the water outlet of outlet pipe 50 can be connected with flusher with for users to use, blow-off pipe 20 is connected to sewage draining exit.

As shown in Figure 4 and Figure 6, blow-off pipe 20 includes drain valve pipeline section 23 and the drain valve in drain valve pipeline section 23, Wherein, drain valve includes：Definite ceramic chip 232, dynamic porcelain piece 231, knob 25 and valve deck 24.

Specifically, drain valve pipeline section 23 has what is connected with sewage draining exit to go out water passage, the row of being equiped in drain valve pipeline section 23 Water valve, 23 structure of drain valve pipeline section set out valve chamber, and the peripheral wall of drain valve pipeline section 23 is formed with along the extension of its circumferential direction and and valve chamber The sliding slot 235 communicated.In other words, during blowdown, the drain valve in valve chamber controls out the break-make of water passage.

Along the definite ceramic chip 232 of 23 radially installed of drain valve pipeline section and dynamic porcelain piece 231, set on dynamic porcelain piece 231 and definite ceramic chip 232 There is the osculum 233 of perforation 232 upper and lower surface of dynamic porcelain piece 231 and definite ceramic chip, osculum 233 is connected with valve chamber to be formed water outlet and lead to Road, definite ceramic chip 232 are fixed with respect to valve chamber position, and dynamic porcelain piece 231 is rotatably mounted in valve chamber, the periphery wall of dynamic porcelain piece 231 Equipped with first connecting portion 2311, the valve deck 24 with passage 242 is connected to the lower part of drain valve pipeline section 23 for limiting dynamic porcelain piece 231 and the degree of freedom in the axial direction of definite ceramic chip 232, passage 242 communicated with valve chamber.

As shown in Fig. 1 combinations Fig. 2, Fig. 8 and Fig. 9, the generally cylindrical chamber of valve chamber, definite ceramic chip 232 and dynamic porcelain piece 231 be with The circular piece of osculum 233, definite ceramic chip 232 are stacked at along the axial direction of valve chamber in valve chamber with dynamic porcelain piece 231.Due to determining porcelain Piece 232 and dynamic porcelain piece 231 are that process for un-metal material is formed, and therefore, even if not using for a long time, will not be got rusty The phenomenon that.

Usual definite ceramic chip 232 and dynamic porcelain piece 231 open up that osculum 233 is bigger, and the water yield of blow-off pipe 20 is also bigger, still In view of 231 brittle nature of definite ceramic chip 232 and dynamic porcelain piece, as the row for the osculum 233 that dynamic porcelain piece 231 and definite ceramic chip 232 open up When water area exceeds the half of 232 cross section of dynamic porcelain piece 231 and definite ceramic chip, the entirety of dynamic porcelain piece 231 and definite ceramic chip 232 Intensity will reduce, and carry and use is easy to be broken in the process.Here " drainage area " refers to definite ceramic chip 232 or dynamic The cross-sectional area sum of all osculums 233 on tile 231, for example, being set on definite ceramic chip 232 or dynamic porcelain piece 231, there are two drainings During hole 233, drainage area is the cross-sectional area sum of two osculums 233.

Inventor by going deep into experiment and research discovery, the diameter of dynamic porcelain piece 231 and definite ceramic chip 232 is set greater than or Equal to 28MM, and during the small half equal to 232 cross-sectional area of dynamic porcelain piece 231 and definite ceramic chip of drainage area of osculum 233, The water yield of blow-off pipe 20 is preferable, can not only realize the demand of Quick drainage, and the entirety of dynamic porcelain piece 231 and definite ceramic chip 232 Intensity is higher, not easy to break.

Knob 25 is rotationally set around the outer circumferential surface of drain valve pipeline section 23 and, the inner circumferential of knob 25 opposite with sliding slot 235 Face is equipped with second connecting portion 251, and second connecting portion 251 coordinates with first connecting portion 2311, and knob 25 drives dynamic porcelain piece 231 to exist It is rotated between first position and the second position, when dynamic porcelain piece 231 is located at first position, goes out water passage conducting, when dynamic porcelain piece 231 At the second position, the osculum 233 of dynamic porcelain piece 231 and definite ceramic chip 232 can not turn on, water outlet path blockade.

In other words, knob 25 is along the circumferential direction rotation process of drain valve pipeline section 23, due to first connecting portion 2311 with Second connecting portion 251 cooperates, and therefore, knob 25 can drive dynamic porcelain piece 231 to rotate synchronously, so as to change dynamic porcelain piece 231 Osculum 233 and definite ceramic chip 232 osculum 233 between connected state.When dynamic porcelain piece 231 is located at first position, move The osculum 233 of tile 231 is completely superposed with the osculum 233 of definite ceramic chip 232 along the extending direction for going out water passage, at this point, Go out water passage to be fully turned on, blow-off pipe 20 has maximum water yield；When dynamic porcelain piece 231 is located at the second position, dynamic porcelain piece 231 osculum 233 is separated completely with the osculum 233 of definite ceramic chip 232, is completely enclosed at this point, going out water passage, blow-off pipe 20 not external drainings；Dynamic porcelain piece 231 between first position and the second postion when, the osculum 233 of dynamic porcelain piece 231 with it is fixed The osculum 233 of tile 232 partially overlaps, at this point, going out, water passage is partially ON, and the water yield of blow-off pipe 20 is less than maximum Water yield.

As a result, according to the water heater 100 of the utility model embodiment, by by the diameter of dynamic porcelain piece 231 and definite ceramic chip 232 More than or equal to 28MM, the drainage area of osculum 233 it is small equal to dynamic porcelain piece 231 and determine 232 cross-sectional areas of porcelain two/ One, it can realize the demand of Quick drainage, and higher integral strength for dynamic porcelain piece 231 and definite ceramic chip 232, not easy to break, the heat The water yield of hydrophone 100 is big, and product quality is high.

In some embodiments of the utility model, first connecting portion 2311 or second connecting portion 251 are notch or convex block. That is, when first connecting portion 2311 is notch, second connecting portion 251 is convex block, at this point, the convex block of dynamic porcelain piece 231 is worn It crosses sliding slot 235 with notch to coordinate, so as in 25 rotation process of knob dynamic porcelain piece 231 be driven to rotate synchronously；Such as Fig. 1 and Fig. 2 knots It closes shown in Figure 10, when first connecting portion 2311 is convex block, second connecting portion 251 is notch, at this point, the convex block on knob 25 is worn It crosses sliding slot with the notch on dynamic porcelain piece 231 to coordinate, so as in 25 rotation process of knob dynamic porcelain piece 231 be driven to rotate synchronously.

In other embodiments of the utility model, which includes：Extension rod pipeline section 21 is fixedly connected with pipeline section 22 and drain valve pipeline section 23.As shown in figure 4, extension rod pipeline section 21, being fixedly connected with pipeline section 22 and drain valve pipeline section 23 from top to bottom It is sequentially connected.Wherein, blow-off pipe 20 can be that corrosion-resistant preferable metal is prepared, for example, copper.Copper piece is processed by forging The blow-off pipe 20 that moulding process, which is integrally formed, to be had extension rod pipeline section 21, be fixedly connected with pipeline section 22 and drain valve pipeline section 23.

Specifically, extension rod pipeline section 21 is stretched into liner 10, and 21 side wall of extension rod pipeline section is formed with apopore 211, liner Water in 10 is discharged by apopore 211 into blow-off pipe 20.It is fixedly connected with pipeline section to be connected with 10 sewage draining exit of liner, be fixedly connected Pipeline section is connected to 21 lower part of extension rod pipeline section, is fixedly connected with pipeline section 22 and is communicated with valve chamber and apopore 211.

Inventor, which tests, to be found, by the way that blow-off pipe 20 is arranged to extension rod pipeline section 21, is fixedly connected with pipeline section 22 and draining Valve pipeline section 23 so as to not only ensure that preferable water yield, but also causes blow-off pipe 20 is preferably installed with liner 10 to coordinate.

In alternative embodiment, inventor is it has furthermore been found that the minimum end face of the apopore 211 of extension rod pipeline section 21 is set It is concordant with 10 bottom wall of liner into being arranged to less than 10 bottom wall of liner or by the minimum end face of 21 apopore 211 of extension rod pipeline section. In this way, the water in water storage cavity 11 can thoroughly be emptied so that the dirt for being deposited on 10 bottom wall of liner can also be with current quilt Thoroughly take away.

Since blow-off pipe 20 is metalwork so that 20 overall weight of blow-off pipe is larger, and worker is in assembly and disassembly 20 process of blow-off pipe In generally feel to hold inconvenient, assembly and disassembly are got up time-consuming and laborious.

Therefore, inventor is improved the structure for being fixedly connected with pipeline section 22.Specifically, as shown in fig. 6, being fixedly connected with pipe The lower end periphery face of section 22 is equipped with rotary connection plate 221, and the periphery edge of the rotary connection plate 221 is equipped with grip part 2212, this Sample, worker can hold grip part 2212 and install blow-off pipe 20.The installation effectiveness of blow-off pipe 20 is effectively improved as a result, and is mitigated The labor intensity of worker.

Rotary connection plate 221 is six side's connecting plates.In this way, can by with the six matched assembly wrench of side's connecting plate into The installation and removal of row blow-off pipe 20, thus, it is possible to further improve the installation effectiveness of drainpipe.

In alternative embodiment, from 22 periphery of pipeline section is fixedly connected with to the radial width of the outer edge of six side's connecting plates in 8mm- Between 20mm.Coordinated thus, it is possible to be more conducive to assembly wrench with six side's connecting plates, improve installation and removal efficiency.

In optional implementation example, the upper surface of six side's connecting plates is equipped with annular convex platform 2211, and annular convex platform 2211 is set around 22 outer circumferential surface of pipeline section is fixedly connected with, ring packing is equipped between the outer surface of pipeline section 22 with being fixedly connected in the inner surface of sewage draining exit Circle, ring type seal stop the upper surface for being butted on annular convex platform 2211.Pipeline section 22 and blowdown are fixedly connected with thus, it is possible to effectively improve Leakproofness at mouth cooperation.

In further optional example, the height of annular convex platform 2211 is 0.5-3MM, the diameter dimension model of annular convex platform 2211 It encloses for 30-40mm.Inventor has found, 0.5-3MM is designed to by the height to annular convex platform 2211, and diameter design is into 30- 40mm not only contributes to the processing of blow-off pipe 20, and can improve the structural strength of entire blow-off pipe 20.

In other embodiments of the utility model, as shown in Fig. 1 combinations Fig. 3 and Fig. 6, the internal perisporium of sewage draining exit is equipped with First internal thread is fixedly connected with the periphery wall of pipeline section 22 equipped with the first external screw thread with the first screw-internal thread fit.That is, row Dirty pipe 20 can be quickly connected with sewage draining exit by way of thread fitting, so as to improve the installation effectiveness of blow-off pipe 20, be reduced The production cost of water heater 100.

In a specific implementation, connecting tube is equipped in sewage draining exit, one end of connecting tube is connected to sewage draining exit, connecting tube The other end extends downwardly, and is equipped with the first internal thread in the internal perisporium of connecting tube, the periphery wall for being fixedly connected with pipeline section 22 is equipped with and the First external screw thread of one screw-internal thread fit.Thus, it is possible to further improve the installation effectiveness of blow-off pipe 20.

In some optional embodiments, as shown in Figure 4, Figure 5 and Figure 6, extension rod pipeline section 21 is U-shaped frame, and U-shaped frame structure is set out At least two symmetrical apopores 211, the longitudinal section of apopore 211 is square.That is, the water in water storage cavity 11 can be simultaneously Entered by two apopores 211 in blow-off pipe 20, so as to accelerate the drainage speed of water heater 100.It is it is understood that above-mentioned Embodiment is only illustrative, and is not the limitation to the scope of the utility model protection.The shape of extension rod pipeline section 2121 and Structure can make the modification of adaptability as needed, for example, the circumferential direction of extension rod pipeline section 21 can set there are two or two A above apopore 211.

In one specific embodiment of the utility model, extension rod pipeline section 21 can include：First linking arm 212, second Linking arm 213 and installing plate 214.

Specifically, the lower end of the first linking arm 212 and the second linking arm 213 is connected with being fixedly connected with the upper end of pipeline section 22. Installing plate 214 is connected to the upper end of the first linking arm 212 and the second linking arm 213, and mounting hole is formed on installing plate 214 2141, water heater 100 further includes magnesium stick 30, and one end of magnesium stick 30 is installed in mounting hole 2141.

As shown in Figure 4 and Figure 5, the first linking arm 212, the second linking arm 213 and installing plate 214 are connected with each other structure and set out greatly Body U-shaped frame structure.The U-shaped frame structure can be used for installing magnesium stick 30, in this way, without additionally setting installation magnesium in liner 10 The device of stick 30, so that 10 inner storing water space bigger of liner, and reduce the process of separately installed 30 device of magnesium stick, it saves Man-hour reduces the production cost of water heater 100.

In other embodiments of the utility model, as shown in Figure 4 and Figure 5, magnesium stick 30 includes：Small diameter part 31 and particle size Portion 32.Specifically, small diameter part 31 is stretched into mounting hole 2141, and the upper end of small diameter part 31 is higher than the upper surface of installing plate 214.Particle size Portion 32 is connected to the upper end of small diameter part 31.Water heater 100 is influenced in use be subject to current in liner 10, small diameter part 31 Cooperation with mounting hole 2141 will become that so securely, spring washer 60 is not also possible to prevent magnesium stick 30 from mounting hole 2141 Interior disengaging, so as to improve the connective stability between magnesium stick 30 and installing plate 214.

Wherein, the second internal thread is equipped in mounting hole 2141, the periphery wall of small diameter part 31 is equipped with and the second screw-internal thread fit The second external screw thread.Thus, it is possible to which quickly magnesium stick 30 is installed on installing plate 214, the installation effectiveness of magnesium stick is improved.

In some embodiments, as Figure 4-Figure 6,22 lower end of pipeline section is fixedly connected with equipped with annular convex platform 2211, it is fixed to connect The first sealing ring 70 is equipped between the lower end periphery face of nozzle belt 22 and the inner peripheral surface of sewage draining exit, 70 lower end of the first sealing ring is only supported In the upper surface of annular convex platform 2211.

In the utility model still other embodiments, drain valve further includes：Support tile 234.Support tile 234 radially It is installed on for supporting definite ceramic chip 232 and dynamic porcelain piece 231 in valve chamber, wherein, supporting tile 234 is with 231 contact surface of dynamic porcelain piece Shiny surface.I.e. the upper surface of dynamic porcelain piece 231 is bonded with the lower surface of definite ceramic chip 232, lower surface and the supporting tile of dynamic porcelain piece 231 234 upper surface fitting, in other words, dynamic porcelain piece 231 is clamped between definite ceramic chip 232 and dynamic porcelain piece 231.Tile 234 will be supported It is arranged to shiny surface on one side with what dynamic porcelain piece 231 contacted, can so that frictional force of the dynamic porcelain piece 231 in rotation process is smaller, Be conducive to dynamic porcelain piece 231 swimmingly to rotate.

In alternative embodiment, supporting tile 234 is hollow loop configuration.In this way, the osculum 233 of dynamic porcelain piece 231 with The osculum 233 of definite ceramic chip 232 is partially overlapped or is completely superposed, and going out water passage, locally conducting or fully on situation, water can It is discharged to pass through hollow supporting tile 234.

In other alternative embodiments, supporting tile 234 is identical with the shape and structure of dynamic porcelain piece 231.Support tile 234 Also have and osculum 233, in the osculum 233 of dynamic porcelain piece 231 and the misaligned osculum of definite ceramic chip 232, supporting tile The osculum of 234 osculum and dynamic porcelain piece 231 is misaligned；In the draining of the osculum 233 and definite ceramic chip 232 of dynamic porcelain piece 231 When hole 233 overlaps, the osculum 233 of supporting tile 234 is also overlapped with the osculum of dynamic porcelain piece 231.

In one specific embodiment of the utility model, blow-off pipe further includes：Second sealing ring 80.The upper surface of valve deck 24 Recess is formed with the card slot 241 with the cooperation of the second sealing ring 80 downwards.Thus, it is possible to prevent valve deck and 24 drain valve pipeline sections 23 Between junction infiltration, improve blow-off pipe 20 leakproofness.

Further in optional implementation example, the second sealing ring 80 includes：Ring packing rib and tablet.Ring packing rib It is caught in card slot.The lower surface of tablet fits in the upper surface of valve deck 24, the upper surface of tablet and the shiny surface of supporting tile 234 Cooperation.Thus, it is possible to further improve the leakproofness of blow-off pipe 20.

In the utility model still other embodiments, drain valve further includes：Handle 26 and extension tube 27, handle 26 and knob 25 are rotatably coupled and have the drainage channel connected with valve chamber, and extension tube 27 is connected to handle 26 and connects with drainage channel It is logical.I.e. user can change hands handle 26 so as to which drive knob is rotated with hand so that knob 25 drives the rotation of dynamic porcelain piece 231, so as to real Existing on and off goes out water passage.

Other of water heater 100 according to the present utility model are configured to what those skilled in the art were understood, here no longer It repeats.

In the description of the utility model, it is to be understood that the instructions such as term " on ", " under " ", bottom ", " interior ", " outer " Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and letter Change description rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and Operation, therefore it is not intended that limitation to the utility model.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under " can be contacted directly including the first and second features, it is not to contact directly but lead to that can also include the first and second features Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the One feature is directly over second feature and oblique upper or is merely representative of fisrt feature level height higher than second feature.First is special Sign second feature " under ", " lower section " and " below " including fisrt feature directly over second feature and oblique upper or only Represent that fisrt feature level height is less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It is combined in an appropriate manner in any one or more embodiments or example.

Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is Illustratively, it is impossible to be interpreted as the limitation to the utility model, those of ordinary skill in the art are not departing from the utility model Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and Modification.

Claims (12)

1. a kind of water heater, which is characterized in that including：

Liner, the liner have sewage draining exit；

Blow-off pipe, the blow-off pipe are connected to the sewage draining exit, and the blow-off pipe includes：

Drain valve pipeline section, the drain valve pipeline section have what is connected with the sewage draining exit to go out water passage, in the drain valve pipeline section Drain valve is equiped with, the drain valve pipeline section structure sets out valve chamber, and the peripheral wall of the drain valve pipeline section is formed with along its circumferential direction The sliding slot for extending and being communicated with the valve chamber, the drain valve include：

Along the definite ceramic chip and dynamic porcelain piece of the drain valve pipeline section radially installed, the dynamic porcelain piece and definite ceramic chip are equipped with described in perforation The osculum of dynamic porcelain piece and definite ceramic chip upper and lower surface, the osculum connects to form out water passage with the valve chamber, described to determine porcelain The relatively described valve chamber position of piece is fixed, and the dynamic porcelain piece is rotatably mounted in the valve chamber, the periphery wall of the dynamic porcelain piece Equipped with first connecting portion, the diameter of the dynamic porcelain piece and the definite ceramic chip is greater than or equal to 28MM, the draining face of the osculum The small half equal to the dynamic porcelain piece and the definite ceramic chip cross-sectional area of product；

Knob, the knob are rotationally set around the outer circumferential surface of the drain valve pipeline section and, the rotation opposite with the sliding slot The inner peripheral surface of button is equipped with second connecting portion, and the second connecting portion coordinates with the first connecting portion, described in the knob driving Dynamic porcelain piece rotates between the first location and the second location, when the dynamic porcelain piece is located at first position, it is described go out water passage lead Logical, when the dynamic porcelain piece is in the second position, the osculum of the dynamic porcelain piece and the definite ceramic chip can not turn on, it is described go out Water passage is closed；

Valve deck with passage, the valve deck are connected to the lower part of the drain valve tube wall for limiting the dynamic porcelain piece and described The degree of freedom of definite ceramic chip in the axial direction, the passage are communicated with the valve chamber.

2. water heater according to claim 1, which is characterized in that the first connecting portion or the second connecting portion are slot Mouth or convex block.

3. water heater according to claim 1, which is characterized in that the blow-off pipe further includes：

Stretch into the extension rod pipeline section in the liner, the extension rod pipeline section side wall is formed with apopore, the water in the liner Discharged by the apopore into the blow-off pipe, the minimum end face of the apopore less than the liner inner bottom wall or with institute It is concordant to state liner inner bottom wall；

For the pipeline section that is fixedly connected being connected with the liner sewage draining exit, the pipeline section that is fixedly connected is connected to the extension rod tube Pars infrasegmentalis, the pipeline section that is fixedly connected are communicated with the valve chamber and the apopore.

4. water heater according to claim 3, which is characterized in that the internal perisporium of the sewage draining exit is equipped with the first internal thread, The periphery wall for being fixedly connected with pipeline section is equipped with the first external screw thread with first screw-internal thread fit.

5. water heater according to claim 3, which is characterized in that the extension rod pipeline section be U-shaped frame, the U-shaped frame structure At least two symmetrical apopores are set out, the longitudinal section of the apopore is square.

6. water heater according to claim 5, which is characterized in that the extension rod pipeline section includes：

The lower end of first linking arm and the second linking arm, first linking arm and second linking arm is fixedly connected with described The upper end connection of pipeline section；

Installing plate, the installing plate is connected to the upper end of first linking arm and second linking arm, in the installing plate On be formed with mounting hole, the water heater further includes magnesium stick, and one end of the magnesium stick is installed in the mounting hole.

7. water heater according to claim 6, which is characterized in that the magnesium stick includes：

Small diameter part, the small diameter part are stretched into the mounting hole, and the upper end of the small diameter part is higher than the upper surface of the installing plate；

Large diameter part, the large diameter part are connected to the upper end of the small diameter part, in the upper of the lower face of large diameter part and the installing plate Spring washer is equipped between surface.

8. water heater according to claim 3, which is characterized in that the blow-off pipe is set in the pipeline section lower end that is fixedly connected There is annular convex platform, the lower end circumferential surface for being fixedly connected with pipeline section is equipped with the first sealing ring, and the first sealing ring lower end is only butted on The upper surface of the annular convex platform.

9. water heater according to claim 1, which is characterized in that the drain valve further includes：Support tile, the supporting Tile it is radially mounted in the valve chamber for supporting the definite ceramic chip and the dynamic porcelain piece, wherein, the supporting tile with The dynamic porcelain piece contact surface is shiny surface.

10. water heater according to claim 9, which is characterized in that the supporting tile is hollow loop configuration or institute It is identical with the shape and structure of the dynamic porcelain piece to state supporting tile.

11. water heater according to claim 10, which is characterized in that the blow-off pipe further includes：

Second sealing ring, the upper end card slot that the second sealing ring described in concave shape Cheng Youyu coordinates downwards of the valve deck.

12. water heater according to claim 11, which is characterized in that second sealing ring includes：

Ring packing rib, the ring packing rib are caught in the card slot；

Tablet, the lower surface of the tablet fit in the upper surface of the valve deck, the upper surface of the tablet and the supporting porcelain The shiny surface cooperation of piece.