CN207762294U - A kind of use water switching device of wall-hung boiler - Google Patents
A kind of use water switching device of wall-hung boiler Download PDFInfo
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- CN207762294U CN207762294U CN201721829923.3U CN201721829923U CN207762294U CN 207762294 U CN207762294 U CN 207762294U CN 201721829923 U CN201721829923 U CN 201721829923U CN 207762294 U CN207762294 U CN 207762294U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 317
- 239000008236 heating water Substances 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 230000033001 locomotion Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 17
- 230000007547 defect Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 108091006146 Channels Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
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Abstract
Water switching device is used the utility model discloses a kind of wall-hung boiler, belongs to household appliance technical field.To overcome, the existing switch valve structure with water switching device is complicated, assembly is cumbersome, movement is unstable, is easy the defect of leak, the technical solution adopted in the utility model include water inlet pipe, water service pipe, heating water pipe end cross to form valve seat, the ball valve that can be rotated relative to valve seat is equipped in the valve seat, ball valve is equipped with water passage, the water inlet pipe is connected to water service pipe, heating with the one of which in water pipe by water passage, and can be switched to after ball valve rotation and be connected to another one.Its advantage is that：Structure is simplified, parts are few, easy to assembly, efficient, and the motion stabilization of the switching part being related to, simplicity, sensitive during providing domestic hot-water and providing the function switch of heating water, leakproofness is also more preferable.
Description
Technical field
The utility model belongs to household appliance technical field, and in particular to a kind of use water switching device of wall-hung boiler.
Background technology
Wall-hung boiler, the also known as quick heater of water for heating of fuel wall hanging formula, using natural gas, artificial coal gas or liquefied gas as fuel
It is thermally formed hot water.Current wall-hung boiler, which usually has, provides domestic hot-water and two big function of heating, domestic hot-water's
Temperature is generally at 50 DEG C or so（Hereinafter referred to as low-temperature water heating）, the temperature of heating water is generally at 65 DEG C to 85 DEG C（Hereinafter referred to as high temperature
Hot water）, wall-hung boiler is by completing the switching of function with water switching device.
Wall-hung boiler includes water inlet pipe, water service pipe, heating water pipe and three-way switch valve, threeway with water switching device
Switching valve makes water inlet pipe select one with water service pipe, heating with water pipe and be connected to.When providing domestic hot-water, low-temperature water heating is sent into water
Guan Hou is sent via three-way switch valve to water service pipe；When providing heating, after high-temperature-hot-water is sent to water inlet pipe, via three
Direction changeover valve is sent to heating water pipe.But due to current in water switching device, three-way switch valve is mostly spring position
The switching valve of shifting, there are many defects：First, the structure of this switching valve is extremely complex, and parts are extremely more, bulky, dress
With cumbersome, the seal point being related to is also very much, and the required precision of assembly is high, it is easy to be leaked due to the seal point in somewhere does not assemble
Water；Second, after spring operates for a long time, permanent deformation is easy tod produce, elastic force is reduced, and switching is insensitive, and motion path is not in place,
Sealing intensity also reduces, and is easy leak；Third is easy that angle offset occurs in the displacement process of spring, and movement is unstable.
Invention content
The utility model provides a kind of use water switching device of wall-hung boiler, and structure is simplified, parts are few, easy to assembly, effect
Rate is high, during domestic hot-water is provided and the function switch of heating water is provided, the motion stabilization for the switching part being related to, letter
Just, sensitive, leakproofness is also more preferable.
In order to solve the above technical problems, the utility model adopts the following technical solution：A kind of wall-hung boiler is filled with water switching
It sets, including water inlet pipe, water service pipe and heating water pipe, wherein the water inlet pipe, water service pipe, heating water pipe
End crosses to form valve seat, the ball valve that can be rotated relative to valve seat is equipped in the valve seat, ball valve is equipped with water passage, described
Water inlet pipe is connected to water service pipe, heating with the one of which in water pipe by water passage, and can be cut after ball valve rotation
It shifts to and is connected to another one.
Spherical ball valve rotates in valve seat, changes the position of water passage, and hot water for life and offer are provided to realize
The switching of two kinds of functions of heating, small, structure is simplified, and parts are few, easy to assembly, efficient, and rotary motion
Structure motion is stable, easy, sensitive, and the seal point being related to is few, good airproof performance.Valve seat is used by water inlet pipe, water service pipe, heating
The end of three pipe of water pipe crosses, and valve seat is all closer at a distance from each water pipe, reduces the loss of heat, hot water from into
Water pipe is transported to the speed of water service pipe or heating water pipe also faster, more directly.
As an improvement, offering the interconnected mouth of a river excessively in the ball valve, the water excessively is formed between the mouth of a river excessively
Channel；The water passage connection water inlet pipe and water service pipe or water passage connection water inlet pipe and heating water
Pipe.The structure of ball valve is simple, easy to process, at low cost, and water passage send water with water pipe by crossing the mouth of a river to fetching realization, send water
It is more stable, send water efficient.
As improving again, the water inlet pipe, water service pipe, heating are laterally arranged with water pipe and are in same plane,
Water inlet pipe between water service pipe and heating water pipe, it is described cross the mouth of a river include in it is conplane first cross the mouth of a river and
Second crosses the mouth of a river；First crosses the mouth of a river is connected to water inlet pipe, and second crosses the mouth of a river is connected to water service pipe, and the ball valve is in valve seat
Horizontal direction rotates, by first cross the mouth of a river switch to be connected to heating with water pipe, second mouth of a river excessively switches to and is connected to water inlet pipe.
Three water pipes are laterally arranged and are in same plane, are conducive to swimmingly be discharged, moreover, ball valve energy as long as horizontal direction rotates
The switching in water route is enough completed, operation is more convenient, and movement is also more stable.Water inlet pipe be located at water service pipe and heating with water pipe it
Between so that the distance that water inlet pipe is sent to this two water pipes can keep close as possible, ensure that water outlet is more smooth, switched with water and filled
The overall structure set is compacter.When wall-hung boiler provides domestic hot-water, hot water is sent to water inlet pipe, and crossing the mouth of a river via first entered
Aquaporin, then cross the mouth of a river via second and be discharged in water service pipe.When wall-hung boiler provides heating, rotary ball valve, hot water
It send to water inlet pipe, crossing the mouth of a river via second enters water passage, then crosses the mouth of a river via first and be discharged in heating water pipe.Function
When switching, the rotation angle of ball valve is small, and operation is more convenient.
As improving again, the described first angle that the mouth of a river is crossed in the mouth of a river with second excessively is 45 ° to 135 °.First crosses the mouth of a river and the
The corner dimension at two mouths of a river excessively is moderate, can either ensure the distance of three water pipes, pipeline is avoided to interfere with each other, and can make ball valve
Rotating range is moderate, operation facility.If the angle at first mouth of a river and second mouth of a river excessively excessively is less than 45 °, the distribution of three water pipes
In approaching, processing, the difficulty of assembly are all bigger, are connected on and are also easy to interfere with each other with other pipelines in water switching device；If
First, which crosses the mouth of a river, crosses the angle at the mouth of a river with second and is more than 135 °, in the handoff procedure of water route, and the horizontal rotation angle of ball valve is excessive, rotation
The resistance turned also accordingly increases.
With water switching device further include the relief tube being connected to valve seat as an improvement, described, it is described cross the mouth of a river further include with
The pressure relief opening that relief tube is connected to always.No matter water inlet pipe is to be connected to water service pipe, or be connected to heating with water pipe, pressure release
Mouth is connected to relief tube holding always, and check valve is provided on relief tube, that is to say, that no matter wall-hung boiler is to provide the life of low temperature
The heating hot water of hot water or high temperature living, relief tube is all in working condition, if water vapor pressure is excessive in pipeline, check valve is beaten
It opens, relief tube steam discharge, draining improve security performance.
As improving again, the relief tube is vertically arranged and is located at the bottom of valve seat.The axis of relief tube and pressure relief opening
Axis overlaps, and ball valve is rotated using the axis of the two as axis horizontal direction, and pressure relief opening is enable more steadily to be docked with relief tube,
Security protection effect is more preferable, and the structure of ball valve is simpler.
As an improvement, being equipped with seal receptacle in the valve seat, the inner wall of the outer wall of the ball valve and the valve seat passes through sealing
Seat sealing.Hot water in water inlet pipe can only flow to water passage, and the sealing effect between ball valve and valve seat is good, ensure that hot water can
The problem of being all delivered to water service pipe or heating water pipe via water passage, avoiding with water switching device leak；And
And the sealing between ball valve and valve seat, only by seal receptacle, simple in structure, easy to assembly, the parts being related to are few.This
Outside, seal receptacle is typically to be fabricated from a flexible material, and ball valve and valve seat are then made of hard material, and sealing seat cushion is in ball valve
Between valve seat, the problems such as the two rigid friction can be avoided, contradict, collide with.
As an improvement, the ball valve is equipped with control-rod, the valve seat is equipped with for the perforative relief hole of control-rod, control
Bar is stretched out from relief hole outside valve seat, to control ball valve movement.Ball valve movement can be controlled by drive control bar, operation is more
It is convenient, laborsaving to add, and control-rod stretches out outside valve seat, more convenient operation.
As improving again, it is equipped with mounting base in the relief hole, the inner thread of mounting base and relief hole connects and passes through
First seal seals；It is opened up in the mounting base for the perforative limit hole of control-rod, setting at least one set is used in mounting base
To the second seal of the assembly gap sealing of limit hole and control-rod.Limit hole in mounting base and mounting base, can be right
The control-rod of strip plays the role of horizontal direction limit, avoids control-rod from moving unstable during driven and waves,
And then it ensure that the smooth motion of ball valve.It is respectively provided with sealing element between mounting base and valve seat, control-rod, improves and switches dress with water
The sealing performance set, effectively avoids leak.
With water switching device further include preheating water outlet pipe and heat exchanging water pipe, one end of heat exchanging water pipe as an improvement, described
It is connected to water service pipe, the other end is connected to preheating water outlet pipe；Heating water pipe is connected on the heating feed pipe, it is described
Heating water pipe heat exchanging water pipe exchanges heat.High-temperature-hot-water in heating water pipe can exchange the water in hot-water line and carry out hot transmission
（Heat radiation）, play the role of preheating so that user opens when blowing the mouth of a river of preheating water outlet pipe, can be connected to more quickly
Hot water improves the thermal efficiency of wall-hung boiler, reduces energy consumption, power saving, environmental protection.
The beneficial effects of the utility model are mainly reflected in：Spherical ball valve is in water inlet pipe, water service pipe, heating water
The end of Guan Sanguan crosses to form rotation in valve seat, changes the position of the water passage of ball valve, to realize offer hot water for life
With the switching for providing two kinds of functions of heating, small, structure is simplified, and parts are few, easy to assembly, efficient, and is rotated
The structure motion of movement is stable, easy, sensitive, and the seal point being related to is few, good airproof performance.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model embodiment one；
Fig. 2 is the enlarged drawing of the ball valve of the utility model embodiment one；
Fig. 3 is the horizontal direction sectional view of the utility model embodiment one（At this point, water inlet pipe is connected to water service pipe）；
Fig. 4 is the horizontal direction sectional view of the utility model embodiment one（At this point, water inlet pipe is connected to heating with water pipe）；
Fig. 5 is the vertical to sectional view of the utility model embodiment one；
Fig. 6 is the sectional view of the utility model embodiment two；
Fig. 7 is the sectional view of the utility model embodiment three；
Fig. 8 is the sectional view of the utility model embodiment four.
As shown in the figure：1, water inlet pipe, 2, water service pipe, 21, turnover pipeline section, 3, heating water pipe, 4, ball valve, 41, the
One crosses the mouth of a river, and 42, second crosses the mouth of a river, and 43, control-rod, 44, pressure relief opening, 5, seal receptacle, 6, mounting base, 61, first seal,
62, second seal, 63, seal plug, 7, relief tube, 8, preheating water outlet pipe, 9, turnover pipeline section, 91, plug.
Specific implementation mode
With reference to the attached drawing of the utility model embodiment, the technical solution of the utility model embodiment is explained and
Illustrate, but following embodiments are only the preferred embodiment of the utility model, and not all.Based on the implementation example in the implementation mode,
The other embodiment that those skilled in the art are obtained without making creative work, belongs to the utility model
Protection domain.
Referring to figs. 1 to Fig. 8, a kind of use water switching device of wall-hung boiler specifically there is offer domestic hot-water and offer to adopt
The wall-hung boiler of two kinds of functions of warm heat supply refers to that domestic water and the water route of heating water are connected to switching with water switching.It is cut with water
Changing device includes water inlet pipe, water service pipe and heating water pipe, the water inlet pipe, water service pipe, heating water pipe end
Portion crosses to form valve seat, and the ball valve that can be rotated relative to valve seat is equipped in the valve seat.Ball valve be equipped with water passage, it is described into
Water pipe is connected to water service pipe, heating with the one of which in water pipe by water passage, and can be switched after ball valve rotation
Extremely it is connected to another one.
Spherical ball valve rotates in valve seat, changes the position of water passage, and hot water for life and offer are provided to realize
The switching of two kinds of functions of heating, small, structure is simplified, and parts are few, easy to assembly, efficient, and rotary motion
Structure motion is stable, easy, sensitive, and the seal point being related to is few, good airproof performance.
Valve seat is crossed by water inlet pipe, water service pipe, heating with the end of three pipe of water pipe, valve seat and each water pipe
Distance is all closer, reduces the loss of heat, hot water is transported to the speed of water service pipe or heating water pipe from water inlet pipe
Also faster, more directly.
Embodiment one
A kind of wall-hung boiler as shown in Figure 1 uses water switching device, including water inlet pipe 1, water service pipe 2 and heating water
Pipe 3.The water inlet pipe 1, water service pipe 2, heating are crossed to form valve seat with the end of water pipe 3, and being equipped in the valve seat can phase
For the ball valve 4 as shown in Figure 2 of valve seat rotation.Ball valve 4 be equipped with water passage, the water inlet pipe 1 by water passage with
Water service pipe 2, heating are connected to the one of which in water pipe 3, and can be switched to after the rotation of ball valve 4 and be connected to another one.
The ball valve 4 is rounded, and using the centre of sphere as axis of rotation.Interconnected water excessively is offered in the ball valve 4
Mouthful, form the water passage between the mouth of a river excessively.The water passage connection water inlet pipe 1 and water service pipe 2, Huo Zhesuo
State water passage connection water inlet pipe 1 and heating water pipe 3.The structure of ball valve 4 is simple, easy to process, at low cost, and water passage is logical
It crossed the mouth of a river and send water to fetching realization with water pipe, and sent water more stable, send water efficient.
Specifically, being equipped with hollow valve chamber in the ball valve 4, crosses the mouth of a river and be connected to valve chamber, form the water passage.Ball
The processing of valve 4 is more convenient.
In this example, the water inlet pipe 1, water service pipe 2, heating are laterally arranged with water pipe 3 and are in same plane,
Be conducive to swimmingly be discharged, moreover, ball valve 4 can complete the switching in water route as long as horizontal direction rotates, operation is more convenient, fortune
It is dynamic also more stable.Water inlet pipe 1 is located at water service pipe 2 and heating between water pipe 3 so that water inlet pipe 1 is sent to this two water pipes
Distance can keep close as possible, ensure water outlet it is more smooth, the overall structure with water switching device is compacter.
In conjunction with Fig. 2, Fig. 3, Fig. 4, in the present embodiment, the mouth of a river of crossing includes crossing the mouth of a river 41 in conplane first
The mouth of a river 42 is crossed with second.In Fig. 3, when wall-hung boiler provides domestic hot-water, first crosses the mouth of a river 41 is connected to water inlet pipe 1, and second crosses water
Mouth 42 is connected to water service pipe 2.Hot water is sent to water inlet pipe 1, and crossing the mouth of a river 41 via first enters water passage, then via second
The mouth of a river 42 is crossed to be discharged in water service pipe 2.The horizontal direction in valve seat of the ball valve 4 is rotated to Fig. 4 states, and water is crossed by first
Mouthfuls 41 switch to be connected to heating water pipe 3, second crosses the mouth of a river 42 and switches to and be connected to water inlet pipe 1, adopted at this point, wall-hung boiler provides
Warm heat supply, hot water are sent to water inlet pipe 1, and crossing the mouth of a river 42 via second enters water passage, then crosses the mouth of a river 41 via first and be discharged to
Heating is in water pipe 3.
It is described first cross the mouth of a river 41 and second cross the mouth of a river 42 angle be 45 ° to 135 °, in particular to, first mistake the mouth of a river 41
Center with second cross the mouth of a river 42 center line angle.The corner dimension at first mouth of a river 42 excessively of the mouth of a river 41 and second excessively is moderate, both
The distance that can ensure three water pipes, avoids pipeline from interfering with each other, and the rotating range of ball valve 4 can be made moderate, operation facility.If
The angle at first mouth of a river 42 excessively of the mouth of a river 41 and second excessively is less than 45 °, and the distribution of three water pipes is got too close to, the difficulty processed, assembled
Degree is all bigger, is connected on and is also easy to interfere with each other with other pipelines in water switching device；If first crosses the mouth of a river 41 and the second mistake
The angle at the mouth of a river 42 is more than 135 °, and in the handoff procedure of water route, the horizontal rotation angle of ball valve 4 is excessive, and the resistance of rotation is also corresponding
Increase.Specifically in this example, the first angle that the mouth of a river 42 is crossed at the mouth of a river 41 and second excessively is 90 °.
It is equipped with seal receptacle 5 in the valve seat, the inner wall of the outer wall of the ball valve 4 and the valve seat is sealed by seal receptacle 5.
Hot water in water inlet pipe 1 can only flow to water passage, and the sealing effect between ball valve 4 and valve seat is good, ensure that hot water can be whole
The problem of water service pipe 2 or heating water pipe 3 being delivered to via water passage, being avoided with water switching device leak；Moreover,
Sealing between ball valve 4 and valve seat is only by seal receptacle 5, and simple in structure, easy to assembly, the parts being related to are few.In addition,
Seal receptacle 5 is typically to be fabricated from a flexible material, and ball valve 4 and valve seat are then made of hard material, and seal receptacle 5 is padded in ball valve
Between 4 and valve seat, the problems such as the two rigid friction can be avoided, contradict, collide with.
In conjunction with Fig. 2, Fig. 5, the ball valve 4 is equipped with control-rod 43, and the valve seat is equipped with and is allowed for control-rod 43 is perforative
Position hole, control-rod 43 are stretched out from relief hole outside valve seat, are moved to control ball valve 4.It can be controlled by drive control bar 43
Ball valve 4 moves, and operation is more convenient, laborsaving, and control-rod 43 stretches out outside valve seat, more convenient operation.
Mounting base 6 is equipped in the relief hole, mounting base 6 connect with the inner thread of relief hole and passes through first seal
61 sealings；It is opened up in the mounting base 6 for 43 perforative limit hole of control-rod, setting is at least one set of for limit in mounting base 6
The second seal 62 of the assembly gap sealing of position hole and control-rod 43.
Limit hole in mounting base 6 and mounting base 6 can play the control-rod 43 of strip in the work of horizontal direction limit
With avoiding control-rod 43 from moving unstable during driven and wave, and then ensure that the smooth motion of ball valve 4.Peace
It is respectively provided with sealing element between dress seat 6 and valve seat, control-rod 43, the sealing performance with water switching device is improved, effectively avoids leaking
Water.
Specifically in this example, it is equipped with inside and outside two steps in mounting base 6, seal plug 63, seal plug are equipped in step
The second seal 62 is set between first 63 and control-rod 43.
Embodiment two
The present embodiment provides a kind of safety relief structures with water switching device.
With water switching device further include the relief tube 7 being connected to valve seat as shown in fig. 6, described, the mouth of a river of crossing further includes
The pressure relief opening 44 being connected to always with relief tube 7.No matter water inlet pipe 1 be connected to water service pipe 2, or with heating water pipe 3
Connection, pressure relief opening 44 are connected to the holding of relief tube 7 always, and check valve is provided on relief tube 7（It is not shown）, that is,
Say, no matter wall-hung boiler is to provide the domestic hot-water of low temperature or the heating hot water of high temperature, relief tube 7 all in working condition, if
Water vapor pressure is excessive in pipeline, and check valve is opened, and 7 steam discharge of relief tube, draining improve security performance.
When the present embodiment two is used in combination with embodiment one, the relief tube 7 is vertically arranged and is located at the bottom of valve seat.Institute
State the bottom that pressure relief opening 44 is opened in ball valve 4.The axis of relief tube 7 is overlapped with the axis of pressure relief opening 44, and ball valve 4 is with the two
Axis rotates for axis horizontal direction, and pressure relief opening 44 is enable more steadily to be docked with relief tube 7, and security protection effect is more preferable, and
The structure of ball valve 4 is simpler.
Embodiment three
The present embodiment provides a kind of to use water switching device with preheating water function.
A kind of wall-hung boiler as shown in Figure 7 uses water switching device, including water inlet pipe 1, water service pipe 2 and heating water
Pipe 3.The water inlet pipe 1, water service pipe 2, heating are crossed to form valve seat with the end of water pipe 3, and being equipped in the valve seat can phase
For the ball valve 4 of valve seat rotation.Ball valve 4 is equipped with water passage, the water inlet pipe 1 by water passage and water service pipe 2,
Heating is connected to the one of which in water pipe 3, and can be switched to after the rotation of ball valve 4 and be connected to another one.
Described with water switching device further includes preheating water outlet pipe 8 and heat exchanging water pipe, and heat exchanging water pipe is not shown, and changes
One end of hot-water line is connected to water service pipe 2, and the other end is connected to preheating water outlet pipe 8.It is connected on the heating feed pipe
There is heating water pipe（It is not shown）, the heating water pipe heat exchanging water pipe exchanges heat.High-temperature-hot-water in heating water pipe
The water that can be exchanged in hot-water line carries out hot transmission（Heat radiation）, play the role of preheating so that user opens preheating water and goes out
When blowing the mouth of a river of water pipe 8 can be connected to hot water more quickly, improve the thermal efficiency of wall-hung boiler, reduce energy consumption, power saving, ring
It protects.
Common, the preheating water in the preheating water outlet pipe 8 is as bath water.
The present embodiment can be used in combination with embodiment one, embodiment two.
In addition, in the present embodiment, the initiating terminal of the water service pipe 2 is equipped with a turn vertical with water service pipe 2
Broken pipe section 9, water service pipe 2 are connected by pipeline section 9 of transferring with valve seat.Hot water is after ball valve 4, into the end of turnover pipeline section 9
Mouthful, and be transferred in water service pipe 2 from the side of turnover pipeline section 9.The other end of turnover pipeline section 9 is equipped with plug 91.Life is used
The water outlet direction of water pipe 2 is consistent with the water inlet direction of water inlet pipe 1.
Example IV
The present embodiment and embodiment three difference lies in：The structure of turnover pipeline section 9.
As shown in figure 8, the initiating terminal of the water service pipe 2 is equipped with turnover pipeline section 9, water service pipe 2 is managed by transferring
Section 9 is connected with valve seat.Hot water is after ball valve 4, and life is transferred into the port of turnover pipeline section 9, and from the side of turnover pipeline section 9
It applies flexibly in water pipe 2.In the present embodiment, the water service pipe 2 and the turnover pipeline section 9 are one of the forming structure, without setting
Set plug, and the water outlet direction biasing of water service pipe 2（It is biased toward mouth of a river side is crossed）In the water inlet direction of the water inlet pipe 1.
The turnover pipeline section 9 of this structure, one reduces processing cost, reduces casting difficulty, with the overall processing of water switching device
Frock clamping is simple, reduces plug this parts, improves leakproofness, also improve efficiency of assembling, and two make draining more
Add smooth.
More than, only specific embodiment of the present utility model, but protection scope of the utility model is not limited thereto,
It is familiar with the those skilled in the art and should be understood that the utility model includes but not limited to attached drawing and above in specific implementation mode
The content of description.The modification of any function and structure principle without departing from the utility model is intended to be included in the model of claims
In enclosing.
Claims (10)
1. a kind of wall-hung boiler uses water switching device, including water inlet pipe, water service pipe and heating water pipe, it is characterised in that：
The water inlet pipe, water service pipe, heating water pipe end cross to form valve seat, being equipped in the valve seat can be relative to valve seat
The ball valve of rotation, ball valve are equipped with water passage, and the water inlet pipe passes through in water passage and water service pipe, heating water pipe
One of which connection, and can switch to and be connected to another one after ball valve rotation.
2. a kind of wall-hung boiler according to claim 1 uses water switching device, it is characterised in that：It is offered in the ball valve
Interconnected crosses the mouth of a river, and the water passage is formed between the mouth of a river excessively；The water passage connection water inlet pipe and life
With water pipe or water passage connection water inlet pipe and heating water pipe.
3. a kind of wall-hung boiler according to claim 2 uses water switching device, it is characterised in that：The water inlet pipe, life
With water pipe, heating water pipe laterally be arranged and be in same plane, water inlet pipe be located at water service pipe and heating with water pipe it
Between, the mouth of a river of crossing includes crossing the mouth of a river and second in conplane first to cross the mouth of a river；First crosses the mouth of a river is connected to water inlet pipe,
Second cross the mouth of a river be connected to water service pipe, the ball valve in valve seat horizontal direction rotate, by first mistake the mouth of a river switch to and
Heating is switched to the mouth of a river excessively of water pipe connection, second and is connected to water inlet pipe.
4. a kind of wall-hung boiler according to claim 3 uses water switching device, it is characterised in that：It is described first cross the mouth of a river with
Second angle for crossing the mouth of a river is 45 ° to 135 °.
5. a kind of wall-hung boiler according to claim 3 uses water switching device, it is characterised in that：It is described to use water switching device
Further include the relief tube being connected to valve seat, the mouth of a river of crossing further includes the pressure relief opening being connected to always with relief tube.
6. a kind of wall-hung boiler according to claim 5 uses water switching device, it is characterised in that：The relief tube is vertically set
It sets and positioned at the bottom of valve seat.
7. a kind of wall-hung boiler according to claim 1 uses water switching device, it is characterised in that：It is equipped in the valve seat close
The inner wall of envelope seat, the outer wall of the ball valve and the valve seat is sealed by seal receptacle.
8. a kind of wall-hung boiler according to any one of claim 1 to 7 uses water switching device, it is characterised in that：It is described
Ball valve is equipped with control-rod, and the valve seat is equipped with for the perforative relief hole of control-rod, and control-rod is stretched out from relief hole outside valve seat,
To control ball valve movement.
9. a kind of wall-hung boiler according to claim 8 uses water switching device, it is characterised in that：It is equipped in the relief hole
The inner thread of mounting base, mounting base and relief hole is connected and is sealed by first seal；It is opened up in the mounting base for control
The perforative limit hole of bar processed, in mounting base setting it is at least one set of for limit hole and the assembly gap sealing of control-rod second
Sealing element.
10. a kind of wall-hung boiler according to any one of claim 1 to 7 uses water switching device, it is characterised in that：It is described
Further include preheating water outlet pipe and heat exchanging water pipe with water switching device, one end of heat exchanging water pipe is connected to water service pipe, another
End is connected to preheating water outlet pipe；The heating with being connected with heating water pipe on water pipe, the heating water pipe heat exchanging water pipe into
Row heat exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721829923.3U CN207762294U (en) | 2017-12-25 | 2017-12-25 | A kind of use water switching device of wall-hung boiler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450374A (en) * | 2018-12-30 | 2020-07-28 | 乐清市川嘉电气科技有限公司 | Oxygen inhalation mask |
| CN114776839A (en) * | 2022-05-26 | 2022-07-22 | 浙江菲达精工机械有限公司 | Tee assembly with spherical sealing structure |
-
2017
- 2017-12-25 CN CN201721829923.3U patent/CN207762294U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450374A (en) * | 2018-12-30 | 2020-07-28 | 乐清市川嘉电气科技有限公司 | Oxygen inhalation mask |
| CN111450375A (en) * | 2018-12-30 | 2020-07-28 | 乐清市川嘉电气科技有限公司 | Oxygen inhalation mask |
| CN114776839A (en) * | 2022-05-26 | 2022-07-22 | 浙江菲达精工机械有限公司 | Tee assembly with spherical sealing structure |
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