CN208058018U - Wall-hung boiler water route component - Google Patents

Abstract

The utility model is related to wall-hung boiler equipment technical fields, more particularly to a kind of wall-hung boiler water route component.This wall-hung boiler water route component,Including heating water route,Life heat exchange water route and switching valve,Switching valve is for the switching between heating water route and life heat exchange water route,Switching valve includes valve body,Motor cabinet,Switch spool and drive component,Diversion cavity is equipped in valve body,Motor cabinet is set on valve body and motor cabinet partial receipt is in diversion cavity,Valve body is equipped with water inlet,First water outlet and the second water outlet,Switch the through-hole that spool is equipped with connection the first water outlet and water inlet,Drive component is mounted on valve body and is connect with switching spool,Drive component control switching spool switches between the first position and the second position in diversion cavity,To realize the switching between heating water route and life heat exchange water route,The inner end of motor cabinet is equipped with the first sealing structure,Switch spool and is equipped with second seals structure,Third sealing structure is convexly equipped in diversion cavity.

Description

Wall-hung boiler water route component

Technical field

The utility model is related to wall-hung boiler equipment technical fields, more particularly to a kind of wall-hung boiler water route component.

Background technology

Wall-hung boiler has powerful Domestic central heating function.Wall-hung boiler water route component generally has heating water route and life Exchange heat water route, and component part of the switching valve as wall-hung boiler water route component, for realizing heating water route and the life of wall-hung boiler Switching between heat exchange water route.

Existing, switching valve is to realize the switching between water route by the way that at least two sealing covers are arranged in water route, and close It is sealed in handoff procedure, bending tube is more in water route, and water resistance is big, and switching smoothness is poor.Secondly, using the above structure, zero Accessory is more, complicated.

Utility model content

Based on this, it is necessary in view of the above technical problems, provide a kind of wall-hung boiler water route group that switching is smooth, simple in structure Part.

In order to achieve the above objectives, the utility model uses following technical proposal：

A kind of wall-hung boiler water route component, including heating water route, life heat exchange water route and switching valve, the switching valve are used for The heating water route and it is described life heat exchange water route between switching, the switching valve include valve body, motor cabinet, switching spool with And drive component, the valve body is interior to be equipped with diversion cavity, and the motor cabinet is set on valve body and motor cabinet partial receipt is led described Intracavitary is flowed, the valve body is equipped with water inlet, the first water outlet and the second water outlet, and the switching spool is located at the water conservancy diversion Intracavitary, the switching spool are equipped with the through-hole for being connected to first water outlet and the water inlet, the driving component installation It is connect on the valve body and with the switching spool, the driving component controls the switching spool in the diversion cavity It is moved between first position and the second position, to realize the switching between the heating water route and life heat exchange water route, The inner end of the motor cabinet is equipped with the first sealing structure, and the switching spool is equipped with the second sealing close to one end of the motor cabinet Structure is convexly equipped with third sealing structure in the diversion cavity, and when the switching spool is located at first position, the water inlet is logical It crosses the diversion cavity to be connected to form the first water route with second water outlet, first water route connects with life heat exchange water route Logical, the through-hole is separated with the water inlet by first sealing structure and second seals structure cooperation；When the switching When spool switches to the second position, the water inlet is connected to structure by the diversion cavity, the through-hole with first water outlet At the second water route, second water route is connected to the heating water route, is passed through between the water inlet and second water outlet The second seals structure and the cooperation partition of third sealing structure.

In this application, by close equipped with the first sealing structure, set on switching spool set on the inner end of the motor cabinet The third sealing structure of projection in the second seals structure and diversion cavity of one end of the motor cabinet, drive component control described in During switching spool switches between the first position and the second position in the diversion cavity, first sealing structure, It works in coordination between second seals structure and third sealing structure, you can realize cutting between the first water route and the second water route It changes, so that the switching between life heat exchange water route and heating water route.Its structure is not only very simple and more convenient to use； Secondly, the setting of through-hole considerably reduces water resistance of the switching spool in diversion cavity in handoff procedure so that the first water route and Switching between second water route is more smooth.

The switching spool is cylindrical in shape in one of the embodiments, has the first end and second being oppositely arranged End, the inner wall sealing of first end and first water outlet of the switching spool and is slidably connected, and second sealing is tied Structure includes the second seal for the second end for being set to the switching spool, and the second seal is matched with the third sealing structure It closes and separates the water inlet and second water outlet；The second end of the switching spool has seal, and described first is close Seal structure coordinates with the seal and separates the through-hole and the water inlet.

The second seal is set to the side of the second end of the switching spool in one of the embodiments, described Seal is located at the end face of the second end of the switching spool and is connected to setting with the through-hole.

First sealing structure includes the first sealing set on the inner end of the motor cabinet in one of the embodiments, Part, when the switching spool is located at first position, the inner end of the motor cabinet is stuck in the seal, and described first close It is sealed between sealing and the inner wall of the seal.

The third sealing structure includes sealed step in one of the embodiments, when the switching spool is located at When the second position, the second seal and the sealed step fitted seal so that the water inlet is discharged with described first Mouth partition.

The driving component includes actuator and valve rod in one of the embodiments, and the valve rod has opposite The first end and second end of setting, the first end of the valve rod are connect with the actuator, the second end receiving of the valve rod It is fixedly connected in the through-hole and between the switching spool, the actuator is made described by controlling the valve rod Switching spool moves between the first position and the second position in the diversion cavity.

The valve body is equipped with connecting hole in one of the embodiments, and the connecting hole is connected to the diversion cavity, institute It states and water outlet connector is installed in connecting hole, counterbore and first water outlet, the counterbore are offered on the water outlet connector First step is formed with the junction of first water outlet, the first end and the hole wall of the counterbore of the switching spool seal And it is slidably connected.

The inner wall of the through-hole has second step, the second step and described first in one of the embodiments, The first elastic component is equipped between step, one end of first elastic component is resisted against on the step of the first step, the other end It is resisted against on the step of the second step.

First water outlet and the second water outlet are close to the first of the switching spool in one of the embodiments, End setting, the water inlet is arranged close to the second end of the switching spool, and the water inlet and second water outlet It is located relatively at the both sides of the third sealing structure.

The valve body is an integral structure in one of the embodiments, and sanitary outfall water route is additionally provided in the valve body And hot water circuit water route, the L-shaped distribution in sanitary outfall water route, the hot water circuit water route connect with second water outlet Lead to and perpendicular to switching spool direction of motion distribution.

The switching valve further includes protective device in one of the embodiments, and the protective device is for preventing the valve Switching stroke of the bar beyond the switching spool, damages the first seal and second seal.

The protective device includes the second elastic component in one of the embodiments, and the second end of the valve rod, which is equipped with, determines Position seat, one end of second elastic component are resisted against on the positioning seat, and the other end is resisted against the valve rod and the switching valve The junction of core.

Compared with prior art, this wall-hung boiler water route component is a little：

By being equipped with the first sealing structure set on the inner end of the motor cabinet, set on switching spool close to the motor cabinet Projection third sealing structure in the second seals structure and diversion cavity of one end, drive component control the switching spool described Between first position and the second position in diversion cavity switch during, first sealing structure, second seals structure with And work in coordination between third sealing structure, you can the switching between the first water route and the second water route is realized, so that life The switching to exchange heat between water route and heating water route.Its structure is not only very simple and more convenient to use；Secondly, through-hole is set It sets, considerably reduces water resistance of the switching spool in diversion cavity in handoff procedure so that between the first water route and the second water route Switching it is more smooth.

Description of the drawings

Fig. 1 is the structural schematic diagram of wall-hung boiler water route provided by the utility model component.

Fig. 2 is the left view of wall-hung boiler water route provided by the utility model component.

Fig. 3 is sectional view at A-A in Fig. 2 provided by the utility model.

Fig. 4 is the partial view of Fig. 3 provided by the utility model.

Fig. 5 is structural schematic diagram when switching spool provided by the utility model is located at first position.

Fig. 6 is structural schematic diagram when switching spool provided by the utility model is located at the second position.

Fig. 7 is switching valve core structure schematic diagram provided by the utility model.

Fig. 8 is switching spool sectional view provided by the utility model.

In figure, switching valve 100, valve body 10, the first water route 101, the second water route 102, water inlet 11, the first water outlet 12, First step 121, the second water outlet 13, diversion cavity 14, first position 141, the second position 142, third sealing structure 15, sealing Step 151, mounting hole 16, connecting hole 17, water outlet connector 171, counterbore 171a, sanitary outfall water route 18, the first sanitary outfall water Road 181, the second sanitary outfall water route 182, third sanitary outfall water route 183, hot water circuit water route 19, switching spool 20, switching Spool first end 20a, switching spool second end 20b, second seals structure 21, second seal 211, through-hole 22, second step 221, the first elastic component 222, dowel 223, seal 23, drive component 30, valve rod 31, the first end 31a of valve rod, valve rod Second end 31b, fixed card buckle 311, spring base 312, motor cabinet 40, the first sealing structure 41, first seal 411, protection dress Set the 50, second elastic component 51.

Specific implementation mode

The utility model is described in more detail with reference to the accompanying drawings and detailed description.

Referring to Fig. 1, Fig. 2, the present embodiment provides wall-hung boiler water route component in one include heating water route, life heat exchange water route with And switching valve 100, the switching valve 100 is for the switching between heating water route and life heat exchange water route.

Referring to Fig. 3, the switching valve 100, including valve body 10, switching spool 20, drive component 30 and motor cabinet 40.Institute It states switching spool 20 to be set in the valve body 10, the motor cabinet 40 is set on the valve body 10, and the driving component 30 is installed It is connect on the valve body 10 and with the switching spool 20.Drive component 30 is used to drive the movement of the switching spool 20.

Referring to Fig. 4, the valve body 10 is an integral body formula structure by casting and forming.Diversion cavity is equipped in the valve body 10 14.40 partial receipt of the motor cabinet is in the diversion cavity 14.The valve body 10 is equipped with water inlet 11, the first water outlet 12 And second water outlet 13.The water inlet 11, the first water outlet 12 and the second water outlet 13 respectively with the diversion cavity 14 Connection.The switching spool 20 is equipped with through-hole 22.The through-hole 22 respectively with first water outlet 12, diversion cavity 14 and Water inlet 11 is connected to.The second water route 102 is formed between the water inlet 11, diversion cavity 14 and the first water outlet 12；It is described into The mouth of a river 11, diversion cavity 14, through-hole 22 and second water outlet 13 form the first water route 101.The switching spool 20 accommodates In the diversion cavity 14.There is the first position 141 being oppositely arranged and the second position 142 in the diversion cavity 14.Driving Component 30 is for controlling the switching first position 141 of the spool 20 in the diversion cavity 14 and between the second position 142 Switching, the switching between the first water route 101 and the second water route 102 that make, to realize that the heating water route is changed with the life Switching between hot water road.

Further, referring to Fig. 5, Fig. 6, the inner end of the motor cabinet 40 is equipped with the first sealing structure 41, the switching valve Core 20 is equipped with second seals structure 21 close to one end of the motor cabinet 40, and third sealing structure is convexly equipped in the diversion cavity 14 15.When the driving moving part 30 controls and the switching spool 20 is made to be located at first position 141, the water inlet 11 passes through institute It states diversion cavity 14 to be connected to second water outlet 13, that is, first water route 101 is connected to；And at this point, the first sealing knot Structure 41 is worked in coordination with the second seals structure 21, and the through-hole 22 and the water inlet 11 are separated, i.e. the second water route 102 It is blocked.When the driving component 30 controls and switching spool 20 is made to switch to the second position 142 from first position 141, institute It states water inlet 11 to be connected to first water outlet 12 by the diversion cavity 14 and through-hole 22, that is, second water route 102 Connection；And at this point, the third sealing structure 15 is worked in coordination with the second seals structure 21, by the water inlet 11 and institute The partition of the second water outlet 13 is stated, i.e., the first water route 101 is blocked, to by switching spool 20 in first position 141, second Set movement the first water route 101 of realization between 142 and conducting or partition between the second water route 102.

In the present embodiment, it is worth explaining, separates between the through-hole 22 and the water inlet 11 and refer to through-hole It is blocked, that is, is not turned on, that is, liquid by the first sealing structure 41 and second seals structure 21 between 22 and the water inlet 11 Body can not be flowed out from water inlet 11 through diversion cavity 14 and through-hole 22 from the first water outlet 12.Equally, water inlet 11 and described the Partition refers between water inlet 11 and second water outlet 13 by second seals structure 21 and the between two water outlets 13 Third sealing structure 15 blocks, that is, is not turned on, that is, liquid can not from water inlet 11 through diversion cavity 14 from the second water outlet 13 Outflow.

In the present embodiment, first water route 101 is connected to life heat exchange water route.Second water route 102 and the heating Water route is connected to.To make the switching between the first water route 101 and the second water route 102 by control switching spool 20, to realize Switch mutually between life heat exchange water route and heating water route.Certainly, in other embodiments, first water route 101 with it is shown It can be interchanged between second water route 102.That is, the first water route 101 is connect with the heating water route on the wall-hung boiler, the second water route 102 connect with the life heat exchange water route on the wall-hung boiler, and the layout in specific water route can be arranged according to actual conditions.

In the present embodiment, referring to Fig. 7, Fig. 8, the switching spool 20 is substantially cylindrical in shape, and the switching spool 20 is one Monolithic construction.The switching spool 20 has the first end 20a being oppositely arranged and second end 20b.The switching spool 20 First end 20a and first water outlet 12 inner wall sealing and be slidably connected.The second end 20b of the switching spool 20 Close to the setting of the inner end of the motor cabinet 40.

Optionally, first end 20a of first water outlet, 12 and second water outlet 13 close to the switching spool 20 Setting, the water inlet 11 is arranged close to the second end 20b of the switching spool 20, and the water inlet 11 and described second Water outlet 13 is located relatively at the both sides of the third sealing structure 15.

Further, the axis of the water inlet 11 and the axis of second water outlet 13 are arranged in parallel, and described first Axis of the axis of water outlet 12 perpendicular to the water inlet 11.

Referring to Fig. 5, the second seals structure 21 includes the second sealing for the second end 20b for being set to the switching spool 20 Part 211, the second seal 211 coordinate with the third sealing structure 15 by the water inlet 11 and second water outlet 13 partitions；The second end 20b of the switching spool 20 has seal 23, first sealing structure 41 and the seal 23 Cooperation separates the through-hole 22 and the water inlet 11.

Further, second seal 211 is set to the side of the second end 20b of the switching spool 20, the seal 23 are located at the end face of the second end 20b of the switching spool 20 and are connected to setting with the through-hole 22.

Preferably, the second seal 211 can be arranged multiple, to improve the reliability of sealing.

Further, the second seal 211 is O-ring seals, and the O-ring seals are set in switching spool 20 The sides second end 20b it is circumferential.

Referring back to Fig. 5, first sealing structure 41 includes the first seal set on the inner end of the motor cabinet 40 411, when the switching spool 20 is located at first position 141, the inner end of the motor cabinet 40 is stuck in the seal 23, and It is sealed between the first seal 411 and the inner wall of the seal 23.

Preferably, the first seal 411 is O-ring seals.

In other embodiments, the first seal 411 can be set to the end of the second end 20b of the switching spool 20 Face.When the switching spool 20 is located at first position 141, switch the end face of the second end 20b of spool 20 and the motor cabinet Cover between 40 inner face equally may be implemented the partition between water inlet 11 and through-hole 22.

Referring to Fig. 6, the third sealing structure 15 includes sealed step 151, when the switching spool 20 is located at second When position 142, the second seal 211 and 151 fitted seal of the sealed step so that the water inlet 11 and described the Two water outlets 13 separate.

In the present embodiment, referring back to Fig. 6, the driving component 30 includes actuator and valve rod 31.The actuator On the motor cabinet 40.The valve rod 31 has the first end 31a and second end 31b of opposite setting.The valve The first end 31a of bar 31 is connect with the actuator, the second end 31b of the valve rod 31 be located in the through-hole 22 and with it is described Switch spool 20 to connect.

In the present embodiment, the actuator is servo motor, the servo motor by electric signal control action, to Switching spool 20 is set to act.The first end 31a of the valve rod 31 and the output axis connection of the servo motor.

Preferably, there is mounting hole 16 on the valve body 10.The mounting hole 16 is connected to the diversion cavity 14.The electricity Engine base 40 is mounted in the mounting hole 16；Meanwhile it being tightly connected by sealing element between motor cabinet 40 and the mounting hole 16. For the partial receipt of the motor cabinet 40 in the diversion cavity 14, which is the inner end of the motor cabinet 40.The valve rod 31 First end 31a and the motor cabinet 40 between seal and be slidably connected.

In the present embodiment, when switching spool 20 is located at first position 141, the inner end portion of the motor cabinet 40 is caught in In the seal 23, and will be close between the inner end of motor cabinet 40 and the inner wall of the seal 23 by first seal 411 Envelope makes the second water route 102 separate to realize the closure between water inlet 11 and through-hole 22, the meaning between the lines, the first water route 101 Conducting

When the switching spool 20 is located at the second position 142, it is set to the side of the second end 20b of the switching spool 20 Second seal 211 and the sealed step 151 match to merge to seal against and connect, water inlet 11 and second are gone out with realization The mouth of a river 13 blocks, and the first water route 101 is made to separate, the meaning between the lines, the conducting of the second water route 102.

Certainly, in other embodiments, the second seal 211 can be set on the inner wall of the diversion cavity 14.When cutting When changing spool 20 and being located at the second position 142, the inner wall of the side and the diversion cavity 14 of the second end 20b of the switching spool 20 Between be tightly connected, equally achievable second water route 102 partition.

In the present embodiment, referring to Fig. 7, Fig. 8, the switching spool 20 is axial to offer the through-hole through switching spool 20 22.The through-hole 22 is connected to the first water outlet 12 and the axis of the through-hole 22 is overlapped with the axis of first water outlet 12 Setting.

Further, the inner wall of the through-hole 22 is equipped with dowel 223.The second end 32 of the valve rod 31 and the connection Muscle 223 is fixedly connected, and to realize, when actuator drives the valve rod 31 to move, drives the movement of the switching spool 20.

Preferably, the valve rod 31 is equipped with fixed card buckle 311.Fixed card buckle 311 is by the valve rod 31 and the connection Muscle 223 fixes clamping.

In the present embodiment, the valve body 10 is equipped with connecting hole 17, and the connecting hole 17 is connected to the diversion cavity 14. Water outlet connector 171 is installed in the connecting hole 17.Counterbore 171a and described first is offered on the water outlet connector 171 to go out The mouth of a river 12.The junction of the counterbore 171a and first water outlet 12 form first step 121.The switching spool 20 The hole wall of the first end 21a and counterbore 171a seals and is slidably connected.

Further, the inner wall of the through-hole 22 has second step 221.The second step 221 and the First The first elastic component 222 is equipped between rank 121.One end of first elastic component 222 is resisted against the step of the first step 121 On, the other end is resisted against on the step of the second step 221.When the switching spool 20 switches to from first position 141 When two positions 142, the switching spool 20 compresses first elastic component 222.When 20 second position 142 of switching spool is cut When shifting to first position 141, under the elastic force effect of first elastic component 222, the switching spool 20 can not only be made to cut Shift to first position 141, and under elastic force effect, can make switching spool 20 second end 20b and 40 inner end of motor cabinet it Between better tightness.

In the present embodiment, referring to Fig. 5, Fig. 8, since the actuator drives the valve rod 31 to control the switching spool When 20, there are output errors for actuator.When actuator drives the valve rod 31 to control the switching spool 20, which can make to cut Change spool 20 movement, beyond it is described switching spool 20 switching stroke, to further squeeze the first seal 411 or Person's second seal 211 makes first seal 411 and second seal 211 damage.Therefore, it is provided with protective device 50.Institute Protective device 50 is stated for preventing the valve rod 31 from damaging the first seal beyond the switching stroke of the switching spool 20 411 and second seal 211.

Specifically, the protective device 50 includes the second elastic component 51.The second end 31b of the valve rod 31 is equipped with positioning seat 311.One end of second elastic component 51 is resisted against on positioning seat 311, and the other end is resisted against the valve rod 31 and the switching The junction of spool 20.When the switching spool 20 switches to first position or the second position, when the output error of actuator When switching spool 20 being made further to move, second elastic component 51 can be made to compress, with the second elastic component 51 by decrement The output error is compensated, to avoid secondary compressing first seal 411 or second seal 211 causes to damage.

Preferably, the positioning seat 311 is fixed on by fixed card buckle 311 on the valve rod 31.

In the present embodiment, referring to Fig. 5, sanitary outfall water route 18 and hot water circuit water route are additionally provided in the valve body 10 19。

The sanitary outfall water route 18 includes the first sanitary outfall water route 181, the second sanitary outfall water route 182 and third Sanitary outfall water route 183.First sanitary outfall water route 181, the second sanitary outfall water route 182 and third sanitary outfall water Road 183 is sequentially communicated and collectively constitutes a L-shaped sanitary outfall water route.The sanitary outfall water route 18 is that tap water passes through The water outlet water route obtained after heat exchanger plates heat exchange in wall-hung boiler.Tap water after heat exchange is followed by the first sanitary outfall water route 181, the second sanitary outfall water route 182 and third sanitary outfall water route 183 are supplied water to bathroom.

Hot water circuit water route 19 is connected to second water outlet 13 and perpendicular to switching 20 direction of motion of spool distribution, heat Water circulation waterway 19 is the circulating hot water after wall hanging stove heat, and hot water circuit water route 19 flows into heat exchanger plates and changed to which heating flows through The water route of the tap water of hot plate.

Heating water route be it is heated after circulating hot water through water inlet 11 from switching Vavle switching runner pass through the second water route 102 The first water outlet 12 outflow, the closed circulation water route in wall-hung boiler is then turned again to after the radiating pieces heat supply such as floor heating.It is raw Heat exchange water route living is that tap water goes out hot water after heat exchanger plates heat from the outlet in life heat exchange water route, for bathroom.

In the present embodiment, the switching principle of the switching valve 100 is as follows：

Referring to Fig. 5, Fig. 6, when needing that the first water route 101 is made to be connected to, the actuator drives the control of valve rod 31 to cut Change spool 20 and be moved to first position 141, in the position when, first seal 411 and the seal 23 work in coordination by into Separate between the mouth of a river 11 and through-hole 22, is formed at this point, being connected to second apopore 13 by diversion cavity 14 by water inlet 11 The first water route 101 connection.When needing that the second water route 102 is made to be connected to, the actuator drives the valve rod 31 to make switching valve Core 20 is moved to the second position 142, in the position when, the second seal 211 and the sealed step 151 work in coordination by The water inlet 11 separates with second water outlet 13, at this point, being formed by water inlet 11, through-hole 22 and the first water outlet 12 The second water route 102 connection.In the present embodiment, actuator controls first of the switching spool 20 in the diversion cavity 14 During switching between position 141 and the second position 142, the first seal 411,211 seal 23 of second seal And work in coordination between sealed step 151, you can so that water route is switched between the first water route 101 and the second water route 102, with reality Switching between existing heating water route and life heat exchange water route, is not only simple in structure, and switching is more convenient, meanwhile, switching is more Add smooth.

Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of wall-hung boiler water route component, including heating water route, life heat exchange water route and switching valve, the switching valve are used for institute State heating water route and it is described life heat exchange water route between switching, the switching valve include valve body, motor cabinet, switching spool and Drive component, the valve body is interior to be equipped with diversion cavity, and the motor cabinet is set on valve body and motor cabinet partial receipt is in the water conservancy diversion Intracavitary, the valve body are equipped with water inlet, the first water outlet and the second water outlet, and the switching spool is located at the diversion cavity It is interior, which is characterized in that the switching spool is equipped with the through-hole for being connected to first water outlet and the water inlet, the driving Component is mounted on the valve body and is connect with the switching spool, and the driving component controls the switching spool and led described It is moved between first position and the second position in stream chamber, to realize between the heating water route and life heat exchange water route Switching, the inner end of the motor cabinet is equipped with the first sealing structure, and the switching spool is equipped with close to one end of the motor cabinet Second seals structure is convexly equipped with third sealing structure in the diversion cavity, described when the switching spool is located at first position Water inlet is connected to form the first water route by the diversion cavity with second water outlet, and first water route is changed with the life Hot water road is connected to, and the through-hole is separated with the water inlet by first sealing structure and second seals structure cooperation；When When the switching spool switches to the second position, the water inlet is discharged by the diversion cavity, the through-hole with described first Mouth connection constitutes the second water route, and second water route is connected to the heating water route, the water inlet and second water outlet Between pass through the second seals structure and third sealing structure cooperation partition.

2. wall-hung boiler water route according to claim 1 component, which is characterized in that the switching spool is cylindrical in shape, and is had The first end and second end being oppositely arranged, the inner wall sealing of first end and first water outlet of the switching spool and It is slidably connected, the second seals structure includes the second seal for the second end for being set to the switching spool, and described second is close Sealing coordinates with the third sealing structure and separates the water inlet and second water outlet；The second of the switching spool There is seal, first sealing structure to coordinate with the seal and separate the through-hole and the water inlet at end.

3. wall-hung boiler water route according to claim 2 component, which is characterized in that the second seal is set to the switching The side of the second end of spool, the seal, which is located at the end face of the second end of the switching spool and is connected to the through-hole, to be set It sets.

4. wall-hung boiler water route according to claim 2 component, which is characterized in that first sealing structure includes being set to institute The first seal for stating the inner end of motor cabinet, when the switching spool is located at first position, the inner end of the motor cabinet is stuck in In the seal, and sealed between the first seal and the inner wall of the seal.

5. wall-hung boiler water route according to claim 2 component, which is characterized in that the third sealing structure includes sealing Step, when the switching spool is located at the second position, the second seal and the sealed step fitted seal so that institute Water inlet is stated with second water outlet to separate.

6. wall-hung boiler water route according to claim 1 component, which is characterized in that the driving component include actuator and There is the first end and second end of opposite setting, the first end of the valve rod to connect with the actuator for valve rod, the valve rod It connects, the second end of the valve rod is housed in the through-hole and is fixedly connected between the switching spool, and the actuator is logical It crosses and controls the valve rod to make to move between first position and the second position of the switching spool in the diversion cavity.

7. wall-hung boiler water route according to claim 1 component, which is characterized in that the valve body is equipped with connecting hole, described Connecting hole is connected to the diversion cavity, and water outlet connector is equipped in the connecting hole, offered on the water outlet connector counterbore with And first water outlet, the junction formation first step of the counterbore and first water outlet, the switching spool First end and the hole wall of the counterbore seal and are slidably connected.

8. wall-hung boiler water route according to claim 7 component, which is characterized in that the inner wall of the through-hole has second Rank is equipped with the first elastic component between the second step and the first step, one end of first elastic component is resisted against institute It states on the step of first step, the other end is resisted against on the step of the second step.

9. wall-hung boiler water route according to claim 1 component, which is characterized in that first water outlet and the second water outlet Mouth is arranged close to the first end of the switching spool, and the water inlet is arranged close to the second end of the switching spool, and described Water inlet and second water outlet are located relatively at the both sides of the third sealing structure.

10. wall-hung boiler water route according to claim 1 component, which is characterized in that the valve body is an integral structure, described Sanitary outfall water route and hot water circuit water route, the L-shaped distribution in sanitary outfall water route are additionally provided in valve body, the hot water follows Ring water route is connected to second water outlet and perpendicular to switching spool direction of motion distribution.