CN207299543U

CN207299543U - Water heater

Info

Publication number: CN207299543U
Application number: CN201721126979.2U
Authority: CN
Inventors: 张庆堂; 彭晶
Original assignee: Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2017-09-04
Filing date: 2017-09-04
Publication date: 2018-05-01
Anticipated expiration: 2027-09-04

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 with drain valve pipeline section, the perisporium of drain valve pipeline section includes formed with sliding slot, drain valve：Definite ceramic chip and dynamic porcelain piece, the periphery wall of dynamic porcelain piece are equipped with notch；Knob, knob is rotationally set around the outer circumferential surface of drain valve pipeline section and opposite with sliding slot, the inner peripheral surface of knob is equipped with the sliding block coordinated with notch, knob driving dynamic porcelain piece rotates between the first location and the second location, the top that the outer circumferential surface of drain valve pipeline section is located at sliding slot is equipped with annular block reinforcement, the neighbouring setting in the lower surface of annular block reinforcement and the upper surface of knob；Valve deck.According to the water heater of the utility model embodiment, the top by being located at sliding slot in the outer circumferential surface of drain valve pipeline section sets annular block reinforcement, and the neighbouring setting in the lower surface of annular block reinforcement and the upper surface of knob, avoids sliding block and is broken in assembling process.

Description

Water heater

Technical field

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

Background technology

In water heater in correlation technique, knob and drain valve pipeline section assembling process, conference of exerting oneself causes the cunning on knob Block is broken.

Utility model content

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

For this reason, the utility model proposes a kind of water heater, the efficiency of assembling of the water heater are high.

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 with the drain valve pipeline section, the drain valve pipeline section structure sets out valve chamber, the row The perisporium of water valve pipeline section includes formed with the sliding slot for extending along its circumferential direction and being communicated with the valve chamber, the drain valve：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 sewage draining exit, the definite ceramic chip phase The valve chamber position is fixed, the dynamic porcelain piece is rotatably installed in the valve chamber, and the periphery wall of the dynamic porcelain piece is equipped with Notch, the periphery wall of the dynamic porcelain piece are equipped with notch；Knob, the knob are rotationally set around the outer of the drain valve pipeline section Side face and opposite with the sliding slot, the inner peripheral surface of the knob is equipped with sliding block, and the sliding block stretches into the groove through the sliding slot In mouthful, the inner peripheral surface of the knob is equipped with sliding block, and the sliding block coordinates with the notch, and the knob drives the dynamic porcelain piece to exist Rotated between first position and the second place, the outer circumferential surface of the drain valve pipeline section is located at the top of the sliding slot equipped with annular gear Muscle, the lower surface of the annular block reinforcement and the neighbouring setting in upper surface of the knob, when the dynamic porcelain piece is located at first position, It is described go out water passage conducting, when the dynamic porcelain piece is in the second place, the osculum of the dynamic porcelain piece and the definite ceramic chip It can not turn on, the water outlet path blockade；Valve deck with drainage channel, the valve deck are connected under the drain valve tube wall Portion is used to limit the free degree of the dynamic porcelain piece and the definite ceramic chip in the axial direction, and the passage is communicated with the valve chamber.

According to the water heater of the utility model embodiment, set by being located in the outer circumferential surface of drain valve pipeline section above sliding slot Annular block reinforcement, and the neighbouring setting in the lower surface of annular block reinforcement and the upper surface of knob are put, sliding block is avoided and is interrupted in assembling process Split.

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

One embodiment according to the present utility model, the notch or sliding block are notch or sliding 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, for the extension rod pipeline section side wall formed with apopore, the water in the liner enters the blow-off pipe by the apopore Discharge, the minimum end face of the apopore is 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 the linking arm is connected with the upper end for being fixedly connected with pipeline section；Installing plate, the peace Loading board is connected to the upper end of first linking arm and second linking arm, formed with mounting hole, institute on the installing plate State water heater and further include magnesium rod, one end of the magnesium rod is installed in the mounting hole.

One embodiment according to the present utility model, the magnesium rod 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, spring washer is equipped between the lower face of large diameter part and the upper surface of the installing plate.

One embodiment according to the present utility model, the blow-off pipe are equipped with convex annular in the pipeline section lower end that is fixedly connected Platform, the lower end side face 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 It is used to support the definite ceramic chip and the dynamic porcelain piece to being installed in the valve chamber, 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 lower surface and the upper surface interval of the knob of the annular block reinforcement 0.5-2MM。

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

Brief 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 obvious 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 rod；

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

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；Notch 2311；Definite ceramic chip 232；Osculum 233；Support tile 234；Sliding slot 235；

Annular block reinforcement 236；

Valve deck 24；Passage 242；

Knob 25；Sliding block 251；

Handle 26；

Extension tube 27；

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

Water inlet pipe 40；

Outlet pipe 50；

Spring washer 60；

First sealing ring 70.

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 to the utility model Limitation.

Water heater 100 referring to Fig. 1-Figure 10 descriptions according to 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 With the sewage draining exit connected with water storage cavity 11, 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 with drain valve pipeline section 23 Water valve, 23 structure of drain valve pipeline section set out valve chamber, and the perisporium 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.

Along the definite ceramic chip 232 and dynamic porcelain piece 231 of 23 radially installed of drain valve pipeline section, 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 sewage draining exit 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 installed in valve chamber, the periphery wall of dynamic porcelain piece 231 Equipped with notch 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 determining The free degree of tile 232 in the axial direction, passage 242 are 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 in valve chamber with dynamic porcelain piece 231 along the axial direction of valve chamber.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 Phenomenon.

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 sliding block 251, and sliding block 251 is stretched into notch 2311 through sliding slot 235, and knob 25 drives dynamic porcelain piece 231 in first position Rotated between the second place, when dynamic porcelain piece 231 is located at first position, go out water passage conducting, when dynamic porcelain piece 231 is in second When putting, 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 notch 2311 and sliding block 251 Cooperate, therefore, knob 25 can drive dynamic porcelain piece 231 to rotate synchronously so that change the osculum 233 of dynamic porcelain piece 231 with Connected state between the osculum 233 of definite ceramic chip 232.When dynamic porcelain piece 231 is located at first position, the draining of dynamic porcelain piece 231 Hole 233 and the osculum 233 of definite ceramic chip 232 are completely superposed along the extending direction for going out water passage, at this time, it is complete to go out water passage Conducting, blow-off pipe 20 have maximum water yield；When dynamic porcelain piece 231 is located at the second place, the osculum 233 of dynamic porcelain piece 231 Separated completely with the osculum 233 of definite ceramic chip 232, at this time, go out water passage and be completely enclosed, the not external draining of blow-off pipe 20； When dynamic porcelain piece 231 is between first position and the second place, the osculum 233 of dynamic porcelain piece 231 and the draining of definite ceramic chip 232 Hole 233 partially overlaps, and at this time, goes out that water passage is partially ON, and the water yield of blow-off pipe 20 is less than maximum water yield.

Since drain valve pipeline section 23 is metal material, 25 plastic part of knob, therefore, knob 25 is assembled with drain valve pipeline section 23 During, if firmly excessive situation, sliding block 251 excessively only can be butted on the roof of notch and phenomenon of rupture occur.

As Figure 4-Figure 6, the outer circumferential surface of drain valve pipeline section 23 is located at the top of sliding slot 235 equipped with annular block reinforcement 236, ring The lower surface of shape block reinforcement 236 and the neighbouring setting in the upper surface of knob 25.In this way, knob 25 and 23 assembling process of drain valve pipeline section In, when the upper surface of knob 25 is contacted with annular block reinforcement 236, annular block reinforcement 236 can apply opposition to knob 25, from And sliding block 251 is avoided phenomenon of rupture occur.

In alternative embodiment, the lower surface of annular block reinforcement 236 and the upper surface interval 0.5-2MM of knob 25.Thus, it is possible to Effectively the sliding block 251 on knob 25 is avoided to be broken.

Thus, according to the water heater 100 of the utility model embodiment, slided by being located in the outer circumferential surface of drain valve pipeline section 23 The top of groove 235 sets annular block reinforcement 236, and the lower surface of annular block reinforcement 236 and the upper surface of knob 25 are avoided adjacent to setting Sliding block 251 is broken in assembling process.

In other embodiments of the utility model, which includes：Extension rod pipeline section 21, be 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 Moulding process is integrally formed with extension rod pipeline section 21, is fixedly connected the blow-off pipe 20 of 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, is 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 Into less than 10 bottom wall of liner, or the minimum end face of 21 apopore 211 of extension rod pipeline section is arranged to concordant with 10 bottom wall of liner. 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 grip inconvenience, assembly and disassembly get up it is 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.Thus, the installation effectiveness of blow-off pipe 20 is effectively improved, 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 blow-off pipe 20.

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, the first sealing is equipped with being fixedly connected between the outer surface of pipeline section 22 in the inner surface of sewage draining exit Circle 70, the first sealing ring 70 stop the upper surface for being butted on annular convex platform 2211.Thus, it is possible to effectively improve be fixedly connected pipeline section 22 with Leakproofness at sewage draining exit 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 Enclose for 30-40mm.Inventor has found, by being designed to 0.5-3MM to the height of annular convex platform 2211, diameter design is into 30- 40mm not only contributes to the processing of blow-off pipe 20, and can improve the structural strength of whole 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 with sewage draining exit, one end of connecting tube is connected to sewage draining exit, connecting tube The other end extends downwardly, and the first internal thread is equipped with the internal perisporium of connecting tube, and 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 at the same time 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 be equipped with two or two Apopore 211 more than a.

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, formed with mounting hole on installing plate 214 2141, water heater 100 further includes magnesium rod 30, and one end of magnesium rod 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 rod 30, in this way, without additionally setting installation magnesium in liner 10 The device of rod 30, so that 10 inner storing water space bigger of liner, and reduce the process of separately installed 30 device of magnesium rod, save In man-hour, reduce the production cost of water heater 100.

In other embodiments of the utility model, as shown in Figure 4 and Figure 5, magnesium rod 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 be subject to current in liner 10 in use, small diameter part 31 Cooperation with mounting hole 2141 will become without so firmly, and spring washer 60 is also possible to prevent magnesium rod 30 out of mounting hole 2141 Depart from, so as to improve the connective stability between magnesium rod 30 and installing plate 214.

Wherein, the second internal thread is equipped with 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 rod 30 is installed on installing plate 214, the installation effectiveness of magnesium rod is improved.

In the utility model still other embodiments, drain valve further includes：Support tile 234.Support tile 234 radially It is installed in valve chamber and is used to support definite ceramic chip 232 and dynamic porcelain piece 231, 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 supporting tile 234.Tile will be supported 234 one sides contacted with dynamic porcelain piece 231 are arranged to shiny surface, can cause frictional force of the dynamic porcelain piece 231 in rotation process compared with It is small, be conducive to dynamic porcelain piece 231 and swimmingly 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 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 233 of definite ceramic chip 232, supporting porcelain The osculum 233 of piece 234 and the osculum 233 of dynamic porcelain piece 231 are misaligned；In the osculum 233 and definite ceramic chip of dynamic porcelain piece 231 When 232 osculum 233 overlaps, the osculum 233 of supporting tile 234 is also overlapped with the osculum 233 of dynamic porcelain piece 231.

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 are connected to handle 26 with the drainage channel connected with valve chamber, extension tube 27 and connect 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 that 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 Repeat.

In the description of the utility model, it is to be understood that the instruction 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 directly be contacted including the first and second features, it is not directly to contact 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 and is 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 State and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be 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 Exemplary, it is impossible to the limitation to the utility model is interpreted as, 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

A kind of 1. water heater, it is characterised 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 It is equiped with drain valve, the drain valve pipeline section structure sets out valve chamber, and the perisporium 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 connect to form out water passage with the sewage draining exit, described fixed The relatively described valve chamber position of tile is fixed, and the dynamic porcelain piece is rotatably installed in the valve chamber, the periphery of the dynamic porcelain piece Wall is equipped with notch；

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 sliding block, and the sliding block is stretched into the notch through the sliding slot, and the knob drives the dynamic porcelain piece Rotate 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 conducting, work as institute Dynamic porcelain piece is stated at the second place, the osculum of the dynamic porcelain piece and the definite ceramic chip can not turn on, it is described go out water passage Close, the outer circumferential surface of the drain valve pipeline section is located at the top of the sliding slot equipped with annular block reinforcement, the following table of the annular block reinforcement Face and the neighbouring setting in upper surface of the knob；

Valve deck with passage, the lower part that the valve deck is connected to the drain valve tube wall are used to limit the dynamic porcelain piece and described The free degree of definite ceramic chip in the axial direction, the passage are communicated with the valve chamber.
2. water heater according to claim 1, it is characterised 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.
3. water heater according to claim 2, it is characterised 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.
4. water heater according to claim 2, it is characterised in that the extension rod pipeline section is U-shaped frame, the U-shaped frame structure At least two symmetrical apopores are set out, the longitudinal section of the apopore is square.
5. water heater according to claim 4, it is characterised 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 formed with mounting hole, the water heater further includes magnesium rod, and one end of the magnesium rod is installed in the mounting hole.
6. water heater according to claim 5, it is characterised in that the magnesium rod 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.
7. water heater according to claim 2, it is characterised 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 side face 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.
8. water heater according to claim 1, it is characterised in that the drain valve further includes：Support tile, the supporting Tile it is radially mounted in the valve chamber be used for support the definite ceramic chip and the dynamic porcelain piece, wherein, it is described supporting tile with The dynamic porcelain piece contact surface is shiny surface.
9. water heater according to claim 8, it is characterised in that the supporting tile is hollow loop configuration or described It is identical with the shape and structure of the dynamic porcelain piece to support tile.
10. water heater according to claim 1, it is characterised in that the lower surface of the annular block reinforcement and the knob Upper surface interval 0.5-2MM.