CN207688413U - Water heater - Google Patents

Abstract

The utility model discloses a kind of water heaters, 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 be connected to sewage draining exit to go out water passage, and drain valve is installed in drain valve pipeline section, and the peripheral wall of drain valve pipeline section is formed with sliding slot, and the perimeter of sliding slot is more than a quarter of the perimeter of drain valve pipeline section, and drain valve includes：Definite ceramic chip and dynamic porcelain piece；Knob, knob driving dynamic porcelain piece rotate between the first location and the second location；Valve deck.According to the water heater of the utility model embodiment, the peripheral wall of drain valve pipeline section is formed with the sliding slot for extending along its circumferential direction and being communicated with valve chamber, the perimeter of sliding slot is more than a quarter of the perimeter of drain valve pipeline section, and drive dynamic porcelain piece to be rotated along sliding slot by knob and water passage is gone out on and off, the water yield of the water heater is big.

Description

Water heater

Technical field

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

Background technology

The water yield of water heater in the related technology, blow-off pipe is low.

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 heater, the water yield of the water heater is 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 installed 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 perimeter of the sliding slot is more than The a quarter of the perimeter of the drain valve pipeline section, the drain valve include：Determine porcelain along the drain valve pipeline section radially installed Piece and dynamic porcelain piece, the dynamic porcelain piece and definite ceramic chip are equipped with the osculum for penetrating through the dynamic porcelain piece and definite ceramic chip upper and lower surface, institute It states osculum to be connected to form out water passage with the apopore, the relatively described valve chamber position of the definite ceramic chip is fixed, the dynamic porcelain Piece is rotatably mounted in the valve chamber, and the periphery wall of the dynamic porcelain piece is equipped with first connecting portion；Knob, the knob can turn It is set around the peripheral surface of the drain valve pipeline section and opposite with the sliding slot dynamicly, the inner peripheral surface of the knob is equipped with the second connection Portion, the second connecting portion coordinate with the first connecting portion, and the knob drives the dynamic porcelain piece in first position and second Rotated between position, 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 second When setting, the osculum of the dynamic porcelain piece and the definite ceramic chip can not be connected, the water outlet path blockade；With drainage channel Valve deck, the valve deck is connected to the lower part of the drain valve tube wall for limiting the dynamic porcelain piece and the definite ceramic chip in axial direction The degree of freedom in direction, the channel are communicated with the valve chamber.

According to the water heater of the utility model embodiment, the peripheral wall of drain valve pipeline section be formed with extend along its circumferential direction and The sliding slot communicated with valve chamber, the perimeter of sliding slot are more than a quarter of the perimeter of the drain valve pipeline section, and are driven by knob Dynamic porcelain piece is rotated along sliding slot goes out water passage on and off, and the water yield of the water heater is big.

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 knob are annulus, and the annulus is at least two sections or more Segmental arc is spliced to form.

One embodiment according to the present utility model, the knob are spliced to form by the first segmental arc and the second segmental arc, There is the first fastening structure or the second fastening structure, the end of the second segmental arc to have and described first for the end of first segmental arc Second fastening structure or first fastening structure of fastening structure or second fastening structure cooperation.

One embodiment according to the present utility model, first fastening structure are T shape deep gouges, second fastening structure For T shape card convexs, the T shapes card convex, which is sunk to the bottom, to be plugged in the T shapes deep gouge.

One embodiment according to the present utility model, the knob are spliced to form by the first segmental arc and the second segmental arc, 3/4ths of annulus overall circumference described in the Zhou Changwei of first segmental arc, annulus described in the Zhou Changwei of second segmental arc The a quarter of overall circumference.

One embodiment according to the present utility model, the inner peripheral surface of first segmental arc set that there are two described second to connect Portion, the line of two second connecting portions are overlapped with the diameter of the annulus, there are two the peripheral wall of the drain valve pipeline section is set The central axis of sliding slot, the relatively described drain valve pipeline section of two sliding slots is symmetrical arranged.

One embodiment according to the present utility model, the first connecting portion notch, the notch is along the dynamic porcelain piece Radially direction is recessed inwardly to be formed circumferential surface, and the second connecting portion is convex block, inner peripheral surface court of the convex block along the knob Radial direction extends inwardly to form.

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 The minimum end face of discharge, 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 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 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, 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 connect with the upper end for being fixedly connected with pipeline section；Mounting plate, the peace Loading board is connected to the upper end of first linking arm and second linking arm, and mounting hole, institute are formed on the mounting plate It further includes magnesium stick to state water heater, 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 mounting 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 mounting plate be equipped with spring washer.

One embodiment according to the present utility model, the drain valve further include：Tile is supported, the bearing tile is along diameter It is used to support the definite ceramic chip and the dynamic porcelain piece to being installed in the valve chamber, wherein the bearing tile and the dynamic porcelain Piece contact surface is shiny surface.

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

One embodiment according to the present utility model, the convex block are clearance fit, the height of the sliding slot with the sliding slot Degree is 2-5MM.

One embodiment according to the present utility model, the Zhou Changwei 3-8 centimetre of the sliding slot.

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 following accompanying drawings to embodiment Become apparent and is 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 according to the blow-off pipe and magnesium stick of the utility model one embodiment；

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；

Figure 11 is the exploded view 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；Mounting 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；Channel 242；

Knob 25；

Second connecting portion 251；First segmental arc 252；T shapes deep gouge 2521；Second segmental arc 253；T shapes card convex 2531；

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.

Specific implementation mode

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

Referring to Fig. 1-Figure 11 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 With the sewage draining exit being connected to 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 The water outlet of water pipe 50, outlet pipe 50 can be connect 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 be connected to sewage draining exit to go out water passage, the row of being installed 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.

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 are the osculum 233 of perforation dynamic porcelain piece 231 and 232 upper and lower surface of definite ceramic chip, osculum 233 to be connected to be formed out with apopore 211 Water passage, definite ceramic chip 232 are fixed with respect to valve chamber position, and dynamic porcelain piece 231 is rotatably mounted in valve chamber, outside dynamic porcelain piece 231 Peripheral wall is equipped with first connecting portion 2311, and the lower part that the valve deck 24 with channel 242 is connected to drain valve pipeline section 23 is dynamic for limiting The degree of freedom of tile 231 and definite ceramic chip 232 in the axial direction, channel 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 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.

Knob 25 is rotationally set around the peripheral 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 and first connecting portion 2311 coordinate, and knob 25 drives dynamic porcelain piece 231 the It is rotated between one 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 exists When the second position, the osculum 233 of dynamic porcelain piece 231 and definite ceramic chip 232 can not be connected, and be discharged 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, to change dynamic porcelain piece 231 Osculum 233 and the osculum 233 of definite ceramic chip 232 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 do not drain externally；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.

It is understood that the movement starting point of knob 25 and dynamic porcelain piece 231 stops the circumferential distance and sliding slot 235 of terminating point Perimeter it is equal.The perimeter of sliding slot 235 is more than to a quarter of the perimeter of drain valve pipeline section 23, i.e. knob 25 and dynamic porcelain piece 231 each rotary angles are more than 90 °, for example, rotating clockwise 90 ° is connected out water passage, are rotated by 90 ° counterclockwise, close Close out water passage.Optionally, the Zhou Changwei 3-8 centimetre of sliding slot.Thus, it is possible to further increase the water yield of water heater 100.

According to the water heater 100 of the utility model embodiment, the peripheral wall of drain valve pipeline section 23 is formed with along its circumferential direction The sliding slot 235 for extending and being communicated with valve chamber, the perimeter of sliding slot 235 are more than a quarter of the perimeter of the drain valve pipeline section 23, And drive dynamic porcelain piece 231 to be rotated along sliding slot 235 by knob 25 and water passage is gone out on and off, the water outlet of the water heater 100 Amount is big.

In addition, to meet the needs that drain valve pipeline section 23 is connect with other component, the peripheral surface of drain valve pipeline section 23 is usual Some convex ribs can be equipped with, therefore, most of situations are closed knob 25 and only have deformation to a certain extent could be direct from axial direction It is sheathed on the peripheral surface of drain valve pipeline section 23 or is taken off from the peripheral surface of drain valve pipeline section 23, misoperation, it is possible to will Knob fractures.

Therefore, knob 25 is designed to that the segmental arc by least two sections or more is spliced to form by the inventor of the utility model Folding ring.In other words, knob 25 can be made of two sections or more of segmental arc splicing, for example, two sections, three sections or four sections.This Each segmental arc can be first pre-positioned in the peripheral surface of drain valve pipeline section 23 by sample in 25 assembling process of knob, then by phase The end of adjacent segmental arc is stitched together, and constitutes the annulus of a complete closure.Thus, it is possible to avoid 25 deformation of knob, and carry The assembling process of high knob 25.

In the utility model some embodiments, as shown in Figure 10 combinations Figure 11, knob 25 is by the first segmental arc and second Segmental arc is spliced to form, and the end of the first segmental arc 252 has the first fastening structure or the second fastening structure, the second segmental arc 253 end has the second fastening structure or the first fastening structure coordinated with the first fastening structure or the second fastening structure.It changes Yan Zhi has the first fastening structure or the second fastening structure, the second segmental arc simultaneously in two ends of the first segmental arc 252 253 two ends have the second fastening structure or the first fastening structure；Or first an end of segmental arc 252 have the There is the second fastening structure, an end of the second segmental arc 253 to have second to fasten knot for one fastening structure and another end Structure and another end have the first fastening structure.Hereby it is achieved that steady between the first segmental arc 252 and the second segmental arc 253 Fixed cooperation.

In some embodiments, the first fastening structure is T shapes deep gouge 2521, and the first fastening structure is T shapes card convex 2531, T shapes Card convex 2531, which is sunk to the bottom, to be plugged in T shapes deep gouge 2521.As shown in FIG. 10 and 11, the T shapes deep gouge 2521 is from the first segmental arc 252 Lower face is recessed to be formed upwards, and the upper end closing of the T shapes deep gouge 2521, in this way, the first segmental arc 252 and the second segmental arc When 253 splicing, the T shapes card convex 2531 of the second segmental arc 253 can be inserted into T shapes deep gouge 2521 from lower end up to T shape card convexs The upper end for being butted on T shapes deep gouge 2521 is stopped in 2533 upper end, further increases the first segmental arc 252 and the second segmental arc as a result, Fitment stability between 253.

In further optional implementation example, 3/4ths of the Zhou Changwei annulus overall circumferences of the first segmental arc 252, the second arc The a quarter of the Zhou Changwei annulus overall circumferences of shape section 253.Thus, it is possible to so that the first segmental arc 252 and the second segmental arc 253 Processing it is more convenient and splicing be more prone to.

In a specific embodiment of the utility model, as shown in Fig. 6, Figure 10 and Figure 11, the first segmental arc 252 it is interior Circumferential surface is set there are two second connecting portion 251, and the line of two second connecting portions 251 is overlapped with the diameter of annulus.Drain valve pipeline section 23 peripheral wall is set there are two sliding slot 235, and two sliding slots 235 are symmetrical arranged with respect to the central axis of drain valve pipeline section 23.In this way, rotation Button 5 and dynamic porcelain piece 231 can clockwise or counterclockwise be rotated along the trajectory synchronization of two sliding slots 235, to effectively real Reveal being turned on and off for water passage.

In a specific embodiment, as shown in figs, first connecting portion 2311 is notch, and notch is along dynamic porcelain piece Radially direction is recessed inwardly to be formed 231 circumferential surface, and second connecting portion 251 is convex block, convex block along knob 25 inner peripheral surface towards diameter It is extended inwardly to form to direction.In this way, when knob 25 is installed, first two convex blocks on the first segmental arc 252 can be passed through and slided Slot 235 coordinates in advance with the notch on dynamic porcelain piece 231, then again splices the second segmental arc 253 and the first segmental arc 252, from And further increase the efficiency of assembling between the first segmental arc 252 and the second segmental arc 253.

In further alternative embodiment, convex block is clearance fit with sliding slot 235, and the height of sliding slot 235 is 2-5MM.As a result, It can make the convex block swimmingly sliding in sliding slot 235.

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 stretches into liner 10, and 21 side wall of extension rod pipeline section is formed with apopore 211, liner Water in 10 enters blow-off pipe 20 by apopore 211 and is discharged.It is fixedly connected with pipeline section to connect 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, pipeline section 22 is fixedly connected with and drains Valve pipeline section 23 to not only ensure that preferable water yield, but also makes 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 arranged At 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 thoroughly can be emptied so that the dirt for being deposited on 10 bottom wall of liner can also be with flow 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 outer periphery 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 increase 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.Coordinate with six side's connecting plates thus, it is possible to be more conducive to assembly wrench, improves 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 It is fixedly connected with 22 peripheral surface of pipeline section, ring packing is equipped with being fixedly connected between the outer surface of pipeline section 22 in the inner surface of sewage draining exit Circle, ring type seal stop the upper surface for being butted on annular convex platform 2211.It is fixedly connected with pipeline section 22 and blowdown 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, is designed to 0.5-3MM by the height to annular convex platform 2211, diameter design is at 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 quickly be connect with sewage draining exit by way of screw-thread fit, to improve the installation effectiveness of blow-off pipe 20, be reduced The production cost of water heater 100.

In being embodied at one, 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 increase 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 are square.That is, the water in water storage cavity 11 can be simultaneously Entered in blow-off pipe 20 by two apopores 211, to accelerate the drainage speed of water heater 100.It is understood that above-mentioned Embodiment is only illustrative, and is not the limitation for the range protected to the utility model.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 may include：First linking arm 212, second Linking arm 213 and mounting plate 214.

Specifically, the lower end of the first linking arm 212 and the second linking arm 213 is connect with the upper end for being fixedly connected with pipeline section 22. Mounting 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 mounting 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 mounting 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 In working 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 stick 30 includes：Small diameter part 31 and particle size Portion 32.Specifically, small diameter part 31 stretches into mounting hole 2141, and the upper end of small diameter part 31 is higher than the upper surface of mounting plate 214.Particle size Portion 32 is connected to the upper end of small diameter part 31.Water heater 100 is influenced by flow in liner 10 in use, 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 out of mounting hole 2141 It is detached from, to improve the connective stability between magnesium stick 30 and mounting 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 mounting plate 214, the installation effectiveness of magnesium stick 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 for supporting definite ceramic chip 232 and dynamic porcelain piece 231, wherein support 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 bearing 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 friction is small in rotation process for dynamic porcelain piece 231, Be conducive to dynamic porcelain piece 231 swimmingly to rotate.

In alternative embodiment, bearing 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 To be discharged across hollow bearing tile 234.

In other alternative embodiments, bearing tile 234 is identical as the shape and structure of dynamic porcelain piece 231.Support tile 234 Also have and support tile in the osculum 233 of dynamic porcelain piece 231 and the misaligned osculum of definite ceramic chip 232 with osculum 233 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 bearing 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 coordinated with the second sealing ring 80 downwards.Thus, it is possible to prevent valve deck and 24 drain valve pipeline sections 23 it Between junction infiltration, improve blow-off pipe 20 leakproofness.

In further 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 shiny surface of the upper surface and bearing tile 234 of tablet Cooperation.Thus, it is possible to further increase 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 being connected to valve chamber, extension tube 27 to be connected to handle 26 and connect with drainage channel It is logical.I.e. user can change hands handle 26 to which drive knob is rotated with hand so that knob 25 drives the rotation of dynamic porcelain piece 231, 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 present invention, it should be understood that the instructions such as term "upper", "lower" ", bottom ", "inner", "outside" Orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and letter Change description, do not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and Operation, therefore should not be understood as limiting the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including 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 right 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 " include fisrt feature right over second feature and oblique upper, or only Indicate 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 spy described in conjunction with this embodiment or example 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 can be combined in any suitable manner in any one or more embodiments or example.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled 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 (14)

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 be connected to the sewage draining exit to go out water passage, in the drain valve pipeline section It is installed with drain valve, 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 perimeter of the sliding slot are more than a quarter of the perimeter of the drain valve pipeline section, The drain valve includes：

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 is connected 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；

Knob, the knob are rotationally set around the peripheral 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 be connected, it is described go out Water passage is closed；

Valve deck with channel, 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 channel are communicated with the valve chamber.

2. water heater according to claim 1, which is characterized in that the knob is annulus, and the annulus has at least two The segmental arc of section is spliced to form.

3. water heater according to claim 1, which is characterized in that the knob is spelled by the first segmental arc and the second segmental arc Connect composition, the end of the first segmental arc has the first fastening structure or the second fastening structure, the end of the second segmental arc have with Second fastening structure or first fastening structure of first fastening structure or second fastening structure cooperation.

4. water heater according to claim 3, which is characterized in that first fastening structure be T shape deep gouges, described second Fastening structure is T shape card convexs, and the T shapes card convex, which is sunk to the bottom, to be plugged in the T shapes deep gouge.

5. water heater according to claim 2, which is characterized in that annulus is always all described in the Zhou Changwei of first segmental arc Long 3/4ths, a quarter of annulus overall circumference described in the Zhou Changwei of second segmental arc.

6. water heater according to claim 5, which is characterized in that the inner peripheral surface of first segmental arc is set there are two described in Second connecting portion, the line of two second connecting portions are overlapped with the diameter of the annulus, the peripheral wall of the drain valve pipeline section If there are two sliding slot, the central axis of the relatively described drain valve pipeline section of two sliding slots is symmetrical arranged.

7. water heater according to claim 6, which is characterized in that the first connecting portion notch, the notch is described in Radially direction is recessed inwardly to be formed the circumferential surface of dynamic porcelain piece, and the second connecting portion is convex block, and the convex block is along the knob Radially direction extends inwardly to form inner peripheral surface.

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

The extension rod pipeline section in the liner is stretched into, the extension rod pipeline section side wall is formed with apopore, the water in the liner Be discharged into the blow-off pipe by the apopore, 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；

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

9. water heater according to claim 8, which is characterized 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.

10. water heater according to claim 9, 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 of pipeline section connects；

Mounting plate, the mounting plate is connected to the upper end of first linking arm and second linking arm, in the mounting 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.

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

12. water heater according to claim 11, which is characterized in that the bearing tile is hollow loop configuration or institute It is identical as the shape and structure of the dynamic porcelain piece to state bearing tile.

13. water heater according to claim 7, which is characterized in that the convex block is clearance fit with the sliding slot, described The height of sliding slot is 2-5MM.

14. water heater according to claim 1, which is characterized in that the Zhou Changwei 3-8 centimetre of the sliding slot.