CN208381379U - Gas-fired water heater with multifunction ratio valve - Google Patents
Gas-fired water heater with multifunction ratio valve Download PDFInfo
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- CN208381379U CN208381379U CN201820793893.3U CN201820793893U CN208381379U CN 208381379 U CN208381379 U CN 208381379U CN 201820793893 U CN201820793893 U CN 201820793893U CN 208381379 U CN208381379 U CN 208381379U
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Abstract
The utility model discloses a kind of gas-fired water heaters with multifunction ratio valve, including heat exchanger and multifunction ratio valve, multifunction ratio valve includes shell, water outlet, discharge outlet and the water inlet that shell is equipped with lumen and is connected to lumen, lumen include the first inner wall, the second inner wall and third inner wall；And adjustment axis, adjustment axis can move back and forth in lumen, the outer wall of adjustment axis is equipped with the first water proof disk, the second water proof disk and third water proof disk, the water hole that adjustment axis is additionally provided with water passage and is connected to water passage, for being connected to water inlet, water passage is used to be connected to water outlet water hole far from one end of water hole；During adjustment axis is mobile, the first water proof disk can be bonded with the first inner wall, and the second water proof disk can be bonded with the second inner wall, and third water proof disk can be bonded with third inner wall.Not only cistern capable of regulating drainage rate makes water termostat out to the utility model, but also the effect of can realize automatic turning off water function, can also be achieved heat exchanger water-drainage antifreezing.
Description
Technical field
The utility model relates to hot water apparatus technical fields, more particularly, to a kind of combustion gas heat with multifunction ratio valve
Water installations.
Background technique
Gas-fired water heater such as gas heater and gas-heating water heater etc. are widely used gas appliances, and with
People's lives level improve, the requirement to gas-fired water heater also constantly improves.Traditional gas-fired water heater in order to
It realizes out water termostat, generally can all be equipped with proportioning valve.In addition, in order to prevent under cryogenic, water-setting is solid internal coil pipe
The case where bursting by freezing, occurs, and generally will do it antifreeze processing.Antifreeze processing generally has electrical heating method, manual drainage method.Electrical heating method
Exactly coil pipe is heated with adding thermal resistance.But with electric heating, on the one hand there are security risks, on the other hand expend electric energy.
Manual drainage method, is mainly opened manually drain valve, and the water in gas-fired water heater is discharged.From the foregoing, it will be observed that in order to realize combustion gas
Hot water apparatus water and draining need to be equipped with the structure of proportioning valve and electric heater or drain valve and other some cooperations
Part causes gas-fired water heater structure complex, cumbersome, influences user experience.
Utility model content
Technical problem to be solved in the utility model is to provide for a kind of gas and hot water dress with multifunction ratio valve
It sets, not only cistern capable of regulating drainage rate made water termostat out, but also the effect of can realize automatic turning off water function, can also be achieved water-drainage antifreezing.
Above-mentioned technical problem is solved by the following technical programs:
A kind of gas-fired water heater with multifunction ratio valve, including heat exchanger and multifunction ratio valve, wherein institute
Stating multifunction ratio valve includes: shell, water outlet, discharge outlet and the water inlet that the shell is equipped with lumen and is connected to the lumen
Mouthful, the side wall of the lumen includes the first inner wall, the second inner wall and third inner wall, first inner wall, the water outlet, described
Second inner wall, the discharge outlet, the third inner wall and the water inlet are sequentially arranged, the water outlet and the heat exchanger
Connection；And adjustment axis, the adjustment axis can move back and forth in the lumen along its axial direction, the outer wall of the adjustment axis is equipped with
First water proof disk, the second water proof disk and third water proof disk, between the axial direction between the second water proof disk and the third water proof disk
Away from being greater than axial spacing between the water outlet and the discharge outlet, the adjustment axis be additionally provided with water passage and with the mistake
The water hole of aquaporin connection, the water hole with the water inlet for being connected to, and the water passage is far from the water hole
One end for being connected to the water outlet；During the adjustment axis is mobile, the first water proof disk can be with described the
The fitting of one inner wall, the second water proof disk can be bonded with second inner wall, and the third water proof disk can be with the third inner wall
Fitting.
The gas-fired water heater with multifunction ratio valve, multifunction ratio valve therein pass through water inlet, cross water
Hole, water passage and water outlet are sequentially communicated to form intake tunnel, realize water inlet.At this point, the first water proof disk is located at water outlet,
It is not contacted with the first inner wall, will not influence water outlet；And the second water proof disk is contacted with the second inner wall, for preventing water outlet flow direction draining
Mouthful；Third water proof disk is contacted with third inner wall simultaneously, flows to discharge outlet into water to prevent.When adjustment axis the first inner wall of direction
When direction is mobile, gradually water outlet is turned down, until the first water proof disk is contacted with the first inner wall, realizes and closes water function completely.?
During adjustment axis is moved along axial reciprocating, the size of adjustable water outlet, so that regulating water flow, reaches leaving water temperature
Constant temperature, it is no longer sometimes hot and sometimes cold.When adjustment axis continues to move to so that the second water proof disk enters water outlet, in adjustment axis and second
Without barrier between wall；Third water proof disk is still contacted with third inner wall simultaneously, and discharge outlet and water inlet are separated.It at this time can will be hot
Water body in exchanger is drawn, successively via between water outlet, adjustment axis and the second inner wall gap and discharge outlet be discharged, carry out
Water-drainage antifreezing, water route, which freezes, when preventing temperature low destroys gas-fired water heater.Therefore, the gas-fired water heater uses more function
Constant temperature, Guan Shui and water-drainage antifreezing and other effects can be realized in energy proportioning valve, significantly simplifies the structure of gas-fired water heater, reduces
Cost of manufacture.
Above-mentioned technical proposal is further described below:
It in one of the embodiments, further include evacuated tube, one end of the heat exchanger is connected to the evacuated tube, separately
One end is connected to the water outlet, and the evacuated tube is sealed far from one end of the heat exchanger.It is normal in gas-fired water heater
Under use state, certain pressure is generated under the extruding of water of the gas in heat exchanger in evacuated tube.When being arranged
When water is antifreeze, multifunction ratio valve upper water-out mouth and discharge outlet conducting, the pressure of evacuated tube will drive water body via water outlet
It is flowed out with discharge outlet.
The top of the evacuated tube is higher than the top of the water pipe of the heat exchanger in one of the embodiments, thus
Evacuated tube is enabled effectively to provide draining driving force.
The shell is additionally provided with the installing port being connected to the lumen, the adjustment axis one in one of the embodiments,
Part is located in the lumen, and another part stretches out the installing port, and the adjustment axis includes shaft body and is set to the axis sheet
The first water proof disk, the second water proof disk and the third water proof disk on body, the first water proof disk are embedded in the axis
On ontology, the second water proof disk and the third water proof disk are convexly equipped in the shaft body.Adjustment axis stretches out shell, is convenient for
Axis movement is controlled to adjust in outside, so that adjustment axis lift adjustment is convenient.Again since adjustment axis stretches out shell, when closing water,
The upward water pressure that the lower end of adjustment axis is born is smaller, and in order to guarantee adjustment axis stress equalization, the first water proof disk is embedded
In in shaft body, so that the area that downward hydraulic pressure is born in adjustment axis upper end reduces, to reduce downward water pressure, and then promote
Into adjustment axis stress equalization.In addition, the second water proof disk and the protrusion setting of third water proof disk, so that shaft body and the second inner wall
Between gap it is larger, more unobstructed drainage channel can be formed.
The shaft body includes the first shaft part and the stretching pipe in the lumen in one of the embodiments,
Second shaft part of chamber, first shaft part be equipped with the first water proof disk, the second water proof disk, the third water proof disk,
The water passage and the water hole, the outer diameter of second shaft part are less than the outer diameter of first shaft part, second axis
The junction of section and first shaft part is the limit shaft shoulder, and the gear matched with the limit shaft shoulder is equipped at the installing port
Platform.By limiting the cooperation of the shaft shoulder and block machine, so that adjustment axis will not be adjusted downwards excessively, for preventing water inlet, water outlet
It is connected to discharge outlet.
It is horizontal to be at or about the third inner wall for the cross-sectional area of first inner wall in one of the embodiments,
The difference of the cross-sectional area of area of section and second shaft part, so that the hydraulic pressure that adjustment axis when closing water state, is subject to
Active force resultant force is zero, not by influence of hydraulic pressure, is greatly improved accommodation accuracy and precision.
First inner wall is equipped with limiting section, the limiting section and block machine difference in one of the embodiments,
Set on the two sides of first shaft part.The setting of limiting section can be used for limiting adjustment axis and be adjusted up excessively, so prevent into
The mouth of a river, water outlet are connected to discharge outlet.
The first water proof disk, the second water proof disk and the third water proof disk wrap in one of the embodiments,
Sealing ring is included, for realizing effective water proof effect.
The multifunction ratio valve further includes end cap in one of the embodiments, and the end cap is set to the installing port
Place, the end cap are equipped with the threaded hole being threadedly coupled with the adjustment axis.End cap is used to realize lumen at the installing port of lumen
Sealing, while be also used for adjustment axis cooperate, for realizing adjustment axis rotate go up and down.The multifunction ratio valve further includes step
Into motor, the output axis connection of the adjustment axis and the stepper motor.By stepper motor to the screwing length of adjustment axis into
Row fine tuning, good reliability, water control are accurate.
The multifunction ratio valve further includes flow sensor in one of the embodiments, and the flow sensor is set
In the water inlet and/or water outlet.When flow sensor is set to water inlet, flow sensor is for detecting water inlet
The flow of mouth, the flow information transmitted by flow sensor is come real-time monitoring water flow.When flow sensor is set to
When at the mouth of a river, which can also detect when draining whether there is water in addition to detecting flow under normal use
Amount discharge, it is ensured that antifreeze drainage performance.
Detailed description of the invention
Fig. 1 is the structural representation of the gas-fired water heater described in an embodiment of the present invention with multifunction ratio valve
Figure；
Fig. 2 is the perspective view of the multifunction ratio valve in Fig. 1；
Fig. 3 is the cross-sectional view of the shell in Fig. 2；
Fig. 4 is the cross-sectional view of the adjustment axis in Fig. 2；
Fig. 5 is cross-sectional view of the gas-fired water heater shown in Fig. 2 with multifunction ratio valve under just common water state；
Fig. 6 is cross-sectional view of the gas-fired water heater shown in Fig. 2 with multifunction ratio valve in the case where closing water state；
Fig. 7 is cross-sectional view of the gas-fired water heater shown in Fig. 2 with multifunction ratio valve under hull-borne；
Fig. 8 is cross-sectional view of the multifunction ratio valve described in another embodiment of the utility model under just common water state.
Description of symbols:
100, multifunction ratio valve, 110, shell, 111, lumen, the 1111, first inner wall, the 1112, second inner wall, 1113,
Third inner wall, 112, water outlet, 113, discharge outlet, 114, water inlet, 115, installing port, 116, closed end, 117, limiting section,
118, block machine, 120, adjustment axis, the 121, first water proof disk, the 122, second water proof disk, 123, third water proof disk, 124, shaft body,
1241, the first shaft part, the 1242, second shaft part, 1243, the shaft shoulder, 125, water passage, 126, water hole, 127, sealing ring, 128,
Boss, 130, flow sensor, 140, stepper motor, 200, heat exchanger, 300, evacuated tube, 400, controller.
Specific embodiment
It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the protection scope of the utility model is not limited.
It should be noted that it can be directly anchored to another when element is referred to as " being fixed on " another element
Element can also be fixed on another element by element placed in the middle.When an element is known as " connection " another yuan
Part, it can be directly to another element or be also possible to be connected to another element by element placed in the middle.
In addition, unless otherwise indicated, otherwise the descriptions such as the term " first " in specification and " second " are used only for distinguishing in specification
Various components, element, step etc., without being intended to indicate that various components, element, logical relation or sequence between step
Relationship etc..In addition, in the description of the utility model, the orientation of the instructions such as term " on ", "lower", "top", "bottom", "inner", "outside"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
As shown in Figure 1, with the gas-fired water heater of multifunction ratio valve described in an embodiment of the present invention, including
Heat exchanger 200 and multifunction ratio valve 100.Wherein, incorporated by reference to Fig. 2, the multifunction ratio valve 100 includes 110 He of shell
Adjustment axis 120.Incorporated by reference to Fig. 3, the shell 110 is equipped with lumen 111 and the water outlet 112 being connected to the lumen 111, draining
Mouth 113 and water inlet 114.The side wall of the lumen 111 includes the first inner wall 1111, the second inner wall 1112 and third inner wall 1113
(dotted line divides the first inner wall 1111, the second inner wall 1112 and third inner wall 1113 for cutting in figure, is not shell 110
Actual contour line).First inner wall 1111, the water outlet 112, second inner wall 1112, the discharge outlet 113,
The third inner wall 1113 and the water inlet 114 are sequentially arranged.The water outlet 112 is connected to the heat exchanger 200.
Incorporated by reference to Fig. 4 and Fig. 5, the adjustment axis 120 can move back and forth in the lumen 111 along its axial direction.The tune
The outer wall of nodal axisn 120 is equipped with spaced first water proof disk 121, the second water proof disk 122 and third water proof disk 123.The tune
The water hole 126 that nodal axisn 120 is additionally provided with water passage 125 and is connected to the water passage 125.The first water proof disk 121,
The second water proof disk 122, the third water proof disk 123 and the water hole 126 are set gradually.The water hole 126 is used
It is connected in the water inlet 114, the water passage 125 with the water outlet 112 for being connected to.As shown in figure 5, it is described into
The mouth of a river 114, the water hole 126, the water passage 125 and the water outlet 112 are sequentially communicated to form intake tunnel.Institute
State adjustment axis 120 it is mobile during, the first water proof disk 121 can be bonded with first inner wall 1111, described second every
Water pond 122 can be bonded with second inner wall 1112, and the third water proof disk 123 can be bonded with the third inner wall 1113.Its
In, axial spacing between the second water proof disk 122 and the third water proof disk 123 is greater than the water outlet 112 and described
Axial spacing between discharge outlet 113.
Specifically, as shown in figure 5, in first state, the first water proof disk 121 is not contacted with the first inner wall 1111, and the
Two water proof disks 122 are contacted with the second inner wall 1112, and third water proof disk 123 is contacted with third inner wall 1113.At this point, water inlet 114,
Water hole 126, water passage 125 and water outlet 112 are sequentially communicated to form intake tunnel, realize water inlet；Second water proof disk 122 with
Second inner wall 1112 contact, for preventing water outlet from flowing to discharge outlet 113；Third water proof disk 123 connects with third inner wall 1113 simultaneously
Touching, flows to discharge outlet 113 into water to prevent.When adjustment axis 120 is mobile towards the direction of the first inner wall 1111, namely upwards
When mobile, gradually water outlet 112 can be turned down.It follows that when adjustment axis 120 is moved along axial reciprocating, adjustable water outlet
112 size, so that regulating water flow, makes leaving water temperature reach constant temperature, it is no longer sometimes hot and sometimes cold.
As shown in fig. 6, the first water proof disk 121 rises to be contacted with the first inner wall 1111 in the second state, water inlet is logical
Road is closed, and is realized and is closed water function completely.
As shown in fig. 7, adjustment axis 120 continues to move up in the third state, the second water proof disk 122 enters water outlet 112
Place, so that without hermetic barrier between adjustment axis 120 and the second inner wall 1112；Due to the second water proof disk 122 and the third
Axial spacing between water proof disk 123 is greater than the axial spacing between the water outlet 112 and the discharge outlet 113, therefore this
When third water proof disk 123 still contacted with third inner wall 1113, discharge outlet 113 and water inlet 114 are separated, the will not be entered
The region of two inner walls 1112.The gap between water outlet 112, adjustment axis 120 and the second inner wall 1112 and discharge outlet 113 connect at this time
It is logical to form drainage channel, the water body in heat exchanger can be drawn, be discharged via drainage channel, carried out water-drainage antifreezing, prevent temperature
Water route, which freezes, when spending low destroys gas-fired water heater.
In summary, which has multifunction ratio valve 100 using described, and constant temperature, Guan Shui can be realized
With water-drainage antifreezing and other effects, without different control assemblies, the structure of gas-fired water heater is significantly simplified, is reduced
Cost of manufacture.
In the present embodiment, please continue to refer to Fig. 3, one end (top as shown in the figure) of the lumen 111 is closed end
116, the other end (bottom end as shown in the figure) is equipped with installing port 115.Described 120 a part of adjustment axis is located in the lumen 111,
Another part stretches out the installing port 115.Adjustment axis 120 stretches out shell 110, is easy to implement the external control of adjustment axis 120, makes
It is convenient to obtain 120 lift adjustment of adjustment axis.
Further, the multifunction ratio valve 100 further includes end cap (attached drawing is not shown), and the end cap is set to the peace
It fills at mouth 115.The end cap is equipped with the threaded hole being threadedly coupled with the adjustment axis 120.End cap is used for the installation in lumen 111
The sealing of lumen 111 is realized at mouth 115, while being also used for cooperating with adjustment axis 120, is rotated and is gone up and down for realizing adjustment axis 120.
As shown in Figure 1, the multifunction ratio valve 100 still further comprises stepper motor 140, the adjustment axis 120 with
The output axis connection of the stepper motor 140.It is finely adjusted by screwing length of the stepper motor 140 to adjustment axis 120, reliably
Property it is good, water control is accurate.
Please continue to refer to Fig. 4, specifically, the adjustment axis 120 includes shaft body 124 and is set in the shaft body 124
The first water proof disk 121, the second water proof disk 122 and the third water proof disk 123.Wherein, the shaft body 124 is wrapped
It includes the first shaft part 1241 being set in the lumen 111 and the second shaft part 1242 of the lumen 111 is stretched out in part.Described first
Shaft part 1241 is equipped with the first water proof disk 121, the second water proof disk 122, the third water proof disk 123, the water excessively
Channel 125 and the water hole 126.The outer diameter of second shaft part 1242 is less than the outer diameter of first shaft part 1241, described
The junction of second shaft part 1242 and first shaft part 1241 is the limit shaft shoulder 1243.Incorporated by reference to Fig. 3, in the lumen 111
Equipped with the block machine 118 matched with the limit shaft shoulder 1243.By limiting the cooperation of the shaft shoulder 1243 and block machine 118, so that adjusting
Nodal axisn 120 will not be adjusted downwards excessively, for preventing water inlet 114, water outlet 112 to be connected to discharge outlet 113.
In the present embodiment, as shown in figure 4, the first water proof disk 121 is embedded on first shaft part 1241, described second
Water proof disk 122 and the third water proof disk 123 are convexly equipped on first shaft part 1241.By the first water proof disk 121 embedded in the
On one shaft part 1241, the upper end of the cross-sectional area reduction namely adjustment axis 120 that can make 120 upper end of adjustment axis is born
The area of downward hydraulic pressure is (corresponding with D1 in Fig. 6) to be reduced, so that being held in the state that adjustment axis 120 is shown in Fig. 6
The water pressure F1 received reduces.Because shell 110 is stretched out in 120 part of adjustment axis, upward hydraulic pressure is born in the lower end of adjustment axis 120
Area (corresponding with the difference of D2 in Fig. 6 and D3) is smaller, thus the upward water pressure F2 born is smaller.Therefore, in order to the greatest extent
Amount guarantees 120 stress equalization of adjustment axis, the first water proof disk 121 can be embedded in shaft body 124, so that water pressure F1 and hydraulic pressure
Power F2 is close as far as possible.In addition, the second water proof disk 122 and the protrusion setting of third water proof disk 123, so that shaft body 124 and the
Gap is larger between two inner walls 1112, can form more unobstructed drainage channel.
Further, it is transversal to be at or about the third inner wall 1113 for the cross-sectional area of first inner wall 1111
The difference of the cross-sectional area of face area and second shaft part 1242, that is, as shown in fig. 6, the upper end of adjustment axis 120 is born
Bear upward hydraulic pressure in the area of the downward hydraulic pressure lower end at or about adjustment axis 120 (corresponding with D1 in Fig. 6)
Area (corresponding with the difference of D2 in Fig. 6 and D3), so that the hydraulic pressure active force that adjustment axis 120 when closing water state, is subject to
Resultant force is zero, not by influence of hydraulic pressure, is greatly improved accommodation accuracy and precision.
In the present embodiment, as shown in figure 4, the first water proof disk 121, the second water proof disk 122 and the third every
Water pond 123 includes sealing ring 127.Specifically, the sealing ring 127 in the first water proof disk 121 is directly embedded in shaft body
On 124.And the second water proof disk 122 and third water proof disk 123 include the boss 128 in the shaft body 124, boss
128 are equipped with the holding tank for accommodating the sealing ring 127.The setting of sealing ring 127 is for realizing effective water proof effect.It needs
Illustrate, in other examples, the first water proof disk 121 can also further include boss 128, and sealing ring 127 is embedded
In on boss 128.
In addition, as shown in figure 3, first inner wall 1111 is equipped with limiting section 117, the limiting section 117 and the gear
Platform 118 is respectively arranged on the two sides of first shaft part 1241, namely in the example shown, and the limiting section 117 is set to the adjustment axis
120 top, limiting section 117 can be used for limiting adjustment axis 120 and be adjusted up excessively, and then prevent water inlet 114, water outlet
112 are connected to discharge outlet 113.
In addition, as shown in Figures 5 to 7, the multifunction ratio valve 100 further includes flow sensor 130, the flow is passed
Sensor 130 is set at the water inlet 114.Flow sensor 130 is used to detect the flow of water inlet 114, passes through flow sensing
The flow information that device 130 transmits carrys out real-time monitoring water flow.
It is unlike the embodiments above, in another embodiment, as shown in figure 8, the flow sensor 130 is set to
At water outlet 112, which is when can also detect draining in addition to detecting flow under normal use
It is no to have water discharge, it is ensured that antifreeze drainage performance.
From the foregoing, it will be observed that flow sensor 130 can be set on one of water inlet 114 and water outlet 112, can also intake
It is respectively provided on mouth 114 and water outlet 112.
As shown in Figure 1, the gas-fired water heater with multifunction ratio valve further includes controller 400, the stepping
Motor 140 and the flow sensor 130 are electrically connected with the controller 400, electric connection can for wired connection or
It is wirelessly connected.It controls multifunction ratio valve 100 by controller 400 to act, so as to realize that gas-fired water heater is employed certainly
Water, automatic turning off water and self-draining effect.It should be noted that the utility model can also save according to actual needs it is above-mentioned
Controller 40, direct labor control stepper motor 140 and act.
In addition, the gas-fired water heater with multifunction ratio valve further includes evacuated tube 300 please continue to refer to Fig. 1,
One end of the heat exchanger 200 is connected to the evacuated tube 300, and the other end is connected to the water outlet 112.The evacuated tube
300 one end sealings far from the heat exchanger 200.Gas under gas-fired water heater normal operating condition, in evacuated tube 300
Body generates certain pressure under the extruding of the water in heat exchanger 200.When needing to carry out water-drainage antifreezing, multifunction ratio valve
100 upper water-out mouths 112 and discharge outlet 113 are connected, and the pressure of evacuated tube 300 will drive water body via water outlet 112 and draining
Mouth 113 flows out.
Further, the top of the evacuated tube 300 is higher than the top of the water pipe of the heat exchanger 200, and top is stretched
It is upward for opening up direction, so that evacuated tube 300 can effectively provide draining driving force.
The course of work of the gas-fired water heater with multifunction ratio valve is illustrated below: gas and hot water dress
It sets under general service condition, controller 400 controls to adjust the movement of axis 120 to adjust inflow, and cooperation gas quantity carries out certainly
Dynamic constant temperature；Adjustment axis 120 is adjusted up reduction water, then to up-regulation, adjustment axis 120 water inlet 114 and water outlet 112 every
It opens, completely closes into water, can be used for automatic turning off water after bathtub discharges water to setting water, preventing from discharging water always leads to water resource waste
And house is impregnated, and reduce the risk of leak.If pressing the start button of " a key row water ", controller 400 issues order, adjusts
Nodal axisn 120 is adjusted further up；Or controller 400 receives and directly issues order after ambient temperature information, adjustment axis 120 into
One step is to up-regulation, and while water inlet 114 and water outlet 112 are separated, water outlet 112 is connected to discharge outlet 113.At this point,
The water body in heat exchanger 200 can be forced blowout under the pressure of evacuated tube 300, carry out water-drainage antifreezing.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously
The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection scope.
Claims (10)
1. a kind of gas-fired water heater with multifunction ratio valve, which is characterized in that including heat exchanger (200) and multi-functional
Proportioning valve (100), wherein the multifunction ratio valve (100) includes:
Shell (110), the shell (110) are equipped with lumen (111) and the water outlet (112) being connected to the lumen (111), row
The mouth of a river (113) and water inlet (114), the side wall of the lumen (111) include the first inner wall (1111), the second inner wall (1112) and
Third inner wall (1113), first inner wall (1111), the water outlet (112), second inner wall (1112), the draining
Mouth (113), the third inner wall (1113) and the water inlet (114) are sequentially arranged, and the water outlet (112) and the heat are handed over
Parallel operation (200) connection；And
Adjustment axis (120), the adjustment axis (120) can move back and forth in the lumen (111) along its axial direction, the adjustment axis
(120) outer wall is equipped with the first water proof disk (121), the second water proof disk (122) and third water proof disk (123), second water proof
Axial spacing between disk (122) and the third water proof disk (123) is greater than the water outlet (112) and the discharge outlet
(113) axial spacing between, the adjustment axis (120) are additionally provided with water passage (125) and connect with the water passage (125)
Logical water hole (126), for the water hole (126) for being connected to the water inlet (114), the water passage (125) is remote
One end from the water hole (126) with the water outlet (112) for being connected to；In the adjustment axis (120) mobile process
In, the first water proof disk (121) can be bonded with first inner wall (1111), the second water proof disk (122) can with it is described
Second inner wall (1112) fitting, the third water proof disk (123) can be bonded with the third inner wall (1113).
2. the gas-fired water heater according to claim 1 with multifunction ratio valve, which is characterized in that further include emptying
It manages (300), one end of the heat exchanger (200) is connected to the evacuated tube (300), the other end and the water outlet (112)
Connection, the evacuated tube (300) seal far from the one end of the heat exchanger (200).
3. the gas-fired water heater according to claim 2 with multifunction ratio valve, which is characterized in that the evacuated tube
(300) top is higher than the top of the water pipe of the heat exchanger (200).
4. the gas-fired water heater according to claim 1 with multifunction ratio valve, which is characterized in that the shell
(110) it is additionally provided with the installing port (115) being connected to the lumen (111), described adjustment axis (120) a part is located at the lumen
(111) in, another part stretches out the installing port (115), and the adjustment axis (120) includes shaft body (124) and is set to described
The first water proof disk (121), the second water proof disk (122) and the third water proof disk (123) in shaft body (124),
The first water proof disk (121) is on the shaft body (124), the second water proof disk (122) and the third water proof disk
(123) it is convexly equipped on the shaft body (124).
5. the gas-fired water heater according to claim 4 with multifunction ratio valve, which is characterized in that the shaft body
It (124) include the first shaft part (1241) in the lumen (111) and the second shaft part for stretching out the lumen (111)
(1242), first shaft part (1241) is equipped with the first water proof disk (121), the second water proof disk (122), described the
The outer diameter of three water proof disks (123), the water passage (125) and the water hole (126), second shaft part (1242) is less than
The junction of the outer diameter of first shaft part (1241), second shaft part (1242) and first shaft part (1241) is limit
The shaft shoulder (1243), is equipped at the installing port (115) and block machine (118) that the limit shaft shoulder (1243) matches.
6. the gas-fired water heater according to claim 5 with multifunction ratio valve, which is characterized in that in described first
The cross-sectional area of wall (1111) is at or about third inner wall (1113) cross-sectional area and second shaft part
(1242) difference of cross-sectional area.
7. the gas-fired water heater according to claim 5 with multifunction ratio valve, which is characterized in that in described first
Wall (1111) is equipped with limiting section (117), and the limiting section (117) and the block machine (118) are respectively arranged on first shaft part
(1241) two sides.
8. the gas-fired water heater according to any one of claim 1 to 6 with multifunction ratio valve, feature exist
In the first water proof disk (121), the second water proof disk (122) and the third water proof disk (123) include sealing ring
(127)。
9. the gas-fired water heater according to claim 4 with multifunction ratio valve, which is characterized in that described multi-functional
Proportioning valve (100) further includes end cap and stepper motor (140), and the end cap is set at the installing port (115), and the end cap is set
There are the threaded hole being threadedly coupled with the adjustment axis (120), the output of the adjustment axis (120) and the stepper motor (140)
Axis connection.
10. the gas-fired water heater according to any one of claim 1 to 6 with multifunction ratio valve, feature exist
In the multifunction ratio valve (100) further includes flow sensor (130), and the flow sensor (130) is set to the water inlet
At mouth (114) and/or at water outlet (112).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820793893.3U CN208381379U (en) | 2018-05-25 | 2018-05-25 | Gas-fired water heater with multifunction ratio valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820793893.3U CN208381379U (en) | 2018-05-25 | 2018-05-25 | Gas-fired water heater with multifunction ratio valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4219986A1 (en) * | 2022-01-31 | 2023-08-02 | Pittway Sarl | 3-way fluid valve, appliance for handling a fluid flow having a 3-way fluid valve and water heater having a 3-way fluid valve and methods to operate the same |
-
2018
- 2018-05-25 CN CN201820793893.3U patent/CN208381379U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4219986A1 (en) * | 2022-01-31 | 2023-08-02 | Pittway Sarl | 3-way fluid valve, appliance for handling a fluid flow having a 3-way fluid valve and water heater having a 3-way fluid valve and methods to operate the same |
| WO2023143851A1 (en) * | 2022-01-31 | 2023-08-03 | Pittway Sarl | 3-way fluid valve, appliance for handling a fluid flow having a 3-way fluid valve and water heater having a 3-way fluid valve and methods to operate the same |
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