CN208535296U - Memory metal flow control valve, water flow sensing device and water heater - Google Patents
Memory metal flow control valve, water flow sensing device and water heater Download PDFInfo
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- CN208535296U CN208535296U CN201821136551.0U CN201821136551U CN208535296U CN 208535296 U CN208535296 U CN 208535296U CN 201821136551 U CN201821136551 U CN 201821136551U CN 208535296 U CN208535296 U CN 208535296U
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Abstract
The utility model relates to gas heater fields, in particular to memory metal flow control valve, water flow sensing device and water heater；The inside of the water service pipe of the memory metal flow control valve has flow cavity, and lower block piece is connected to the bottom of water service pipe；Memory metal element is connect with valve component, and valve component includes spool, and memory metal element can control spool along the length direction sliding of water service pipe to control the gap increase or reduce that flow cavity water supply stream passes through；Wherein, the first end of first valve body of spool is connect with the second valve body, second valve body is between the first valve body and lower block piece, second valve body is cylinder, first valve body is cone, the diameter of first valve body is gradually increased from the second end of first end to the first valve body of the first valve body, and the diameter of the second valve body is equal to the diameter of the first end of the first valve body；It relatively stable according to temperature, gentle can be adjusted the size of water flow.
Description
Technical field
The utility model relates to gas heater fields, sense in particular to memory metal flow control valve, water flow
Device and water heater.
Background technique
In the use process of water heater, leaving water temperature is had different needs, when weather is colder, is needed smaller
Inflow, the water in water heater can be made to be warmed to suitable temperature, if inflow is too big, be just not easy in hot water
Water temperature is warmed to suitable temperature by the inside of device, and leaving water temperature is caused to be difficult to meet user when weather is colder to higher water temperature
Demand need biggish inflow when weather is warmmer, just can guarantee the overheat that the water in water heater will not be heated, if
Be that inflow is too small, it is higher to be easy for the water temperature for causing to heat in water heater, it is also difficult to meet when weather is warmmer user to compared with
The demand of low water temperature；Therefore in water feeding of heater, control flow of inlet water can better meet demand of the user to water temperature.
The more difficult stabilization of flow control of the relevant technologies offer is slowly changed water flow, be easy to cause stream
Body carrys out biggish variation in the short time to the press belt inside pipeline, is easy the rotor inside to pipeline and damages, and is easy shadow
That rings rotor uses birthday noodle, is also easy to lead to water temperature, unstable control of water flow size etc..
Utility model content
First of the utility model is designed to provide a kind of memory metal flow control valve, can according to temperature compared with
For stabilization, gentle the size of water flow is adjusted.
Second of the utility model is designed to provide a kind of water flow sensing device, can be more steady according to temperature
It is fixed, gentle that the size of water flow is adjusted, so as to provide water flow sensing unit certain protection, extend water flow sensing
Device service life.
The third of the utility model is designed to provide a kind of water heater, can be relatively stable according to temperature, gentle
The size of water flow is adjusted, can be avoided the unexpected transformation of water flow size, temperature etc., be able to ascend certain use relax
Appropriateness, additionally it is possible to certain protection be provided water flow sensing unit, water flow sensing unit service life is extended.
The embodiments of the present invention are achieved in that
A kind of memory metal flow control valve comprising memory metal element, lower block piece, valve component and water service pipe；Water flowing
The inside of pipe has flow cavity, and lower block piece is connected to the bottom of water service pipe, and lower block piece has the limbers of connection flow cavity；Note
Recall metalwork to connect with valve component, valve component includes spool, and memory metal element can control spool along the length side of water service pipe
To sliding to control the gap increase or reduce that flow cavity water supply stream passes through；Wherein, spool includes the first valve body and the second valve body,
The first end of first valve body is connect with the second valve body, and for the second valve body between the first valve body and lower block piece, the second valve body is circle
Cylindricality, the first valve body are cone, and the second end of the diameter of the first valve body from the first end of the first valve body to the first valve body is gradually
Increase, the diameter of the second valve body is equal to the diameter of the first end of the first valve body.
In the utility model preferred embodiment:
Above-mentioned valve component further includes upper block piece, and the second end of the first valve body is connect with upper block piece, upper block piece and lower block piece
Interval setting.
In the utility model preferred embodiment:
Above-mentioned memory metal element includes memory metal spring, and memory metal spring pocket is set to the outside of water service pipe, and remembers
The both ends of metal spring abut block piece and lower block piece respectively.
In the utility model preferred embodiment:
Above-mentioned upper block piece includes the first block body and the second block body, and the second end of the first valve body is connect with the first block body, and first
Block body is connect with the second block body, and the second block body is sheathed on the outside of water service pipe, the one end of memory metal spring far from lower block piece with
Second block body abuts.
In the utility model preferred embodiment:
Above-mentioned second block body includes first step body, second step body and third step body, first step body, second step
Body and third step body are cascading, and first step body, second step body and the diameter of third step body are gradually increased.
In the utility model preferred embodiment:
Above-mentioned first block body is provided with first step hole and second step hole close to one end of lower block piece, first step hole
Internal diameter is greater than the internal diameter in second step hole, and first step hole and second step hole are coaxially disposed, and second step body is in second
The cooperation of rank hole, third step body and first step hole cooperate.
In the utility model preferred embodiment:
Above-mentioned memory metal element includes memory metal spring, and the second end of the first valve body and upper block piece pass through memory metal bullet
Spring connection.
In the utility model preferred embodiment:
Above-mentioned upper block piece offers discharge orifice far from one end of lower block piece.
A kind of water flow sensing unit comprising water flow sensing unit, connecting tube and above-mentioned memory metal flow control valve, water flow
Sensor is set to the inside of connecting tube, and memory metal flow control valve is set to one end of connecting tube.
A kind of water heater comprising above-mentioned water flow sensing device.
The beneficial effect of the memory metal flow control valve of the utility model embodiment, water flow sensing device and water heater
It is:
Memory metal flow control valve provided by the embodiment of the utility model, when in use, the memory metal element of setting
It can be controlled when the volume of memory metal element changes by memory metal element according to the different variations that volume occurs of temperature
Spool can be moved in the flow cavity of water service pipe, increase to adjust the gap that passes through of flow cavity water supply stream using valve core
Or reduce, to achieve the purpose that adjust the water flow size for flowing through the memory metal flow control valve according to temperature level；And this
The spool of utility model embodiment includes the first valve body and the second valve body interconnected, and the first valve body is cone, the second valve
Body is cylinder, and the direct second end from the first valve body to the first end of the first valve body is gradually reduced, and can utilize the spool
When being moved in water service pipe, the gentler pore size for changing the flow cavity inside water service pipe, thus gentle change water
The flow of stream, achieve the purpose that gradually, slowly change water flow size.
Water flow sensing unit provided by the embodiment of the utility model, when in use, the memory metal of one end setting of connecting tube
The memory metal element of flow control valve setting can be according to the different variations that volume occurs of temperature, when the volume of memory metal element is sent out
When changing, it can be moved in the flow cavity of water service pipe by the spool that memory metal element controls, to be adjusted using valve core
The gap that flow cavity water supply stream passes through increases or reduces, and flows through the memory metal flow tune according to temperature level adjusting to reach
Save the purpose of the water flow size of valve；And the spool of the utility model embodiment includes the first valve body and the second valve interconnected
Body, the first valve body are cone, and the second valve body is cylinder, and the direct second end from the first valve body of the first valve body is to first
End is gradually reduced, when can be moved in water service pipe using the spool, the gentler flow cavity changed inside water service pipe
Pore size, thus the flow of gentle change water flow, thus can also to the water flow sensing unit being set to inside connecting tube into
Row protection, avoids water flow sensing unit from being often subject to the impact of the water flow of unstable size.
Water heater provided by the embodiment of the utility model can use the note for being set to water flow sensing device when in use
Recall the size that metal flow regulating valve adjusts water flow according to temperature, and the first of the spool being arranged in memory metal flow control valve
Valve body is cone, and the second valve body is cylinder, and the direct second end from the first valve body of the first valve body gradually subtracts to first end
Small, so as to the change more gentle using mobile realization water flow size of the spool in water service pipe, the use for improving user is relaxed
Appropriateness, the gentle change of water flow size can also protect the water flow sensing unit being set in connecting tube.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the cross-sectional view one of memory metal flow control valve in the utility model embodiment；
Fig. 2 is the cross-sectional view two of memory metal flow control valve in the utility model embodiment；
Fig. 3 is the structural schematic diagram of water flow sensing device in the utility model embodiment；
Fig. 4 is the cross-sectional view three of the utility model embodiment memory metal flow control valve；
Fig. 5 is the cross-sectional view of water flow sensing device in the utility model embodiment.
Icon: 010- memory metal flow control valve；Block piece under 100-；200- valve component；300- water service pipe；310- stream
Dynamic chamber；The limbers 110-；210- spool；The first valve body of 211-；The second valve body of 212-；The upper block piece of 220-；400- memory metal bullet
Spring；101- mounting groove；The first block body of 221-；The second block body of 222-；223- first step body；224- second step body；225-
Three step bodies；226- first step hole；227- second step hole；The discharge orifice 102-；020- water flow sensing device；500- water flow passes
Sensor；510- connecting tube；103- annular groove.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the utility model embodiment, it should be noted that the instruction such as term " on ", "lower", "inner", "outside"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings or the utility model product use when it is usual
The orientation or positional relationship put, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this reality
With novel limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply phase
To importance.
In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, art
Language " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Fig. 1 is please referred to, the present embodiment provides a kind of memory metal flow control valve 010, memory metal elements, lower block piece
100, valve component 200 and water service pipe 300；The inside of water service pipe 300 has flow cavity 310, and lower block piece 100 is connected to water service pipe
300 bottom, and lower block piece 100 has the limbers 110 of connection flow cavity 310；Memory metal element and valve component 200 connect
Connect, valve component 200 include spool 210, memory metal element can control spool 210 along water service pipe 300 length direction sliding with
The gap that control 310 water supply stream of flow cavity passes through increases or reduces；Wherein, spool 210 includes the first valve body 211 and the second valve body
212, the first end of the first valve body 211 is connect with the second valve body 212, and the second valve body 212 is located at the first valve body 211 and lower block piece
Between 100, the second valve body 212 is cylinder, and the first valve body 211 is cone, and the diameter of the first valve body 211 is from the first valve body
The second end of 211 first end to the first valve body 211 is gradually increased, and the diameter of the second valve body 212 is equal to the of the first valve body 211
The diameter of one end；When memory metal element control valve core 210 is to close to the movement of the direction of lower block piece 100, spool 210 can use
Reduce the gap that the 310 water supply stream of flow cavity inside water service pipe 300 passes through and works as memory metal element to reduce the flow of water flow
When control valve core 210 is mobile to the direction far from lower block piece 100, the flowing inside the increase water service pipe 300 of spool 210 can use
The gap that 310 water supply stream of chamber passes through, to increase the flow of water flow；By the first valve body 211 of spool 210 in this present embodiment
For cone, the second valve body 212 is cylinder, and the diameter of the first valve body 211 is from the second end of the first valve body 211 to the first valve
The first end of body 211 is gradually reduced, and the diameter of the second valve body 212 is equal to the diameter of the first end of the first valve body 211, so as to
The more slowly change of control water flow size.
The valve component 200 of the present embodiment includes upper block piece 220, and the second end of the first valve body 211 and upper block piece 220 connect
It connects, upper block piece 220 is arranged with lower block piece 100 interval.
Further, the memory metal element of this present embodiment includes memory metal spring 400, and 400 sets of memory metal spring
Set on the outside of water service pipe 300, and the both ends of memory metal spring 400 abut block piece 220 and lower block piece 100 respectively；It needs
Illustrate, above-mentioned memory metal spring 400 can be the memory metal preparation of one-way memory effect, be also possible to round trip note
Recall the memory metal preparation of effect, the memory metal element in the present embodiment is the memory metal of one-way memory effect；When flowing through
When the water temperature of the memory metal flow control valve 010 is lower, the volume of memory metal spring 400 can be shunk, when memory gold
Belong to spring 400 shrink after, by memory metal spring 400 far from lower block piece 100 one end abut upper block piece 220 and with upper gear
The spool 210 that part 220 connects is mobile towards one end close to lower block piece 100 together, thus using spool 210 by water service pipe 300
The flow clearance of internal flow cavity 310 reduces, to achieve the purpose that reduce water flow；When flowing through the memory metal flow tune
When the water temperature of section valve 010 is higher, the volume of memory metal spring 400, which can expand, is restored to original volume size, works as note
After recalling metallic sheath expansion, the upper block piece 220 abutted with one end of memory metal spring 400 and the valve being connect with upper block piece 220
Core 210 can be mobile to one end far from lower block piece 100 with the expansion of memory metal spring 400 together, to utilize spool 210
The flow clearance of flow cavity 310 inside water service pipe 300 is increased, to achieve the purpose that increase water flow.
Preferably, the side of lower block piece 100 towards the water service pipe 300 in the present embodiment is additionally provided with mounting groove 101, and pacifies
Tankage 101 is distributed in the periphery of water service pipe 300, and further, mounting groove 101 is distributed in the periphery of limbers 110, above-mentioned memory
One end that metal spring 400 is abutted with lower block piece 100 can be embedded in mounting groove 101.
The upper block piece 220 of the present embodiment include the first block body 221 and the second block body 222, the second end of the first valve body 211 with
The connection of first block body 221, the first block body 221 are connect with the second block body 222, and the second block body 222 is sheathed on the outer of water service pipe 300
Portion, the one end of memory metal spring 400 far from lower block piece 100 are abutted with the second block body 222；When the body of memory metal spring 400
When product is reduced or expanded, the second block body 222 abutted with memory metal spring 400 can be with memory metal spring 400
Reduce and expansion decline or rise, so as to make the first block body 221 being connect with the second block body 222 and with the first block body
The spool 210 of 221 connections is down or up together, to control the size of water flow in water service pipe 300 using spool 210.
Referring to figure 2., further, above-mentioned second block body 222 includes first step body 223, second step body 224 and the
Three step bodies 225, first step body 223, second step body 224 and third step body 225 are cascading, and first step
Body 223, second step body 224 and the diameter of third step body 225 are gradually increased；Further, the first block body 221 is under
One end of block piece 100 is provided with first step hole 226 and second step hole 227, and the internal diameter in first step hole 226 is greater than second
The internal diameter in rank hole 227, and first step hole 226 and second step hole 227 are coaxially disposed, second step body 224 is in second step
Hole 227 cooperates, and third step body 225 and first step hole 226 cooperate, i.e. the third step body 225 of the first block body 221 is connected to
First step hole 226, second step body 224 are connected to second step hole 227.It should be noted that being arranged in the manner described above
Upper block piece 220, can use the first block body 221 for constituting upper block piece 220 and the second block body 222 improves memory metal spring 400
With the abutting stability of upper block piece 220, to be carried out using memory metal spring 400 to upper block piece 220 and spool 210 more steady
Fixed regulation.
Preferably, the first block body 221 in the present embodiment and the second block body 222, which can be, abuts connection, in other realities
It applies in example, the first block body 221 and the second block body 222 can also be bonding or welding.
Fig. 1 is please referred to, it is further preferred that the side of the second block body 222 towards lower block piece 100 is also provided with annular groove
103, memory metal spring 400 can be embedded in annular groove 103 far from one end of lower block piece 100, so as to improve memory gold
Belong to the stability that spring 400 is abutted with the second block body 222.
Referring to figure 3., the upper block piece 220 in the present embodiment offers discharge orifice 102, water far from one end of lower block piece 100
Stream can flow into water service pipe 300 by the discharge orifice 102 of upper block piece 220.
Optionally, referring to figure 4., in other embodiments, memory metal element includes memory metal spring 400, the first valve
The second end of body 211 is connect with upper block piece 220 by memory metal spring 400.In this embodiment, when flowing through memory metal stream
When the water flow temperature of adjustable valve 010 is higher, the volume of memory metal spring 400 can be shunk, when memory metal spring 400
After contraction, the spool 210 connecting with memory metal spring 400 is mobile to the side far from lower block piece 100, to utilize spool
210 increase the flow clearance of the flow cavity 310 inside water service pipe 300, to achieve the purpose that increase water flow；Remember when flowing through
Recall metal flow regulating valve 010 water flow temperature it is lower when, the volume expansion of memory metal spring 400, with memory metal spring
The spools 210 of 400 connections are mobile to the side close to lower block piece 100, thus using spool 210 by the stream inside water service pipe 300
The flow clearance of dynamic chamber 310 reduces, to achieve the purpose that reduce water flow.
The present embodiment also provides a kind of water flow sensing device 020, is able to use in water heater, such as water flow sensing device
020 can be set in water inlet pipe, and water flow can be heated by water flow sensing device 020 into water heater, referring to figure 5., should
Water flow sensing device 020 includes water flow sensing unit 500, connecting tube 510 and above-mentioned memory metal flow control valve 010, water flow
Sensor 500 is set to the inside of connecting tube 510, and memory metal flow control valve 010 is set to one end of connecting tube 510；When
When water flow flows into the connecting tube 510 of the water flow sensing device 020, water flow first passes through memory metal flow control valve 010, then again
Water flow sensing unit 500 is flowed through, when flow of the memory metal flow control valve 010 according to lower water temperature water flow, the change of flow
It is more gentle, there can be certain protective effect to the water flow sensing unit 500 for being located at water flow downstream.
It should be noted that the outlet pipe in water heater can be set in water flow sensing device 020 provided in this embodiment, also
It can be set in positions such as the water inlet pipes of water heater, be not specifically limited herein.
It should be noted that the water flow sensor of the present embodiment can be various water flow sensings in the prior art
Device, major part may include rotor assembly and Hall element, and when water flow passes through rotor assembly, Hall element is able to detect
To rotor assembly electromagnetic signal and transmitted, to achieve the purpose that flow measurement.
It should be further noted that above-mentioned connecting tube 510 can be straight tube, it is also possible to bend pipe, memory metal flow
Regulating valve 010 and water flow sensing unit 500 are respectively arranged at the both ends of connecting tube 510.
The working principle of memory metal flow control valve 010 is: can use memory metal element control valve core 210 in water flowing
It is slided up and down in the flow cavity 310 of pipe 300, to control 300 internal flow chamber 310 of water service pipe for water flow stream using spool 210
The size in the gap crossed, to realize the effect for adjusting water flow size using the memory metal flow control valve 010.Provided with this reality
The water heater of memory metal flow control valve 010 or water flow sensing device 020 that example offer is provided when in use, such as in winter,
Flow through the memory metal flow control valve 010 water temperature it is lower when, the volume of memory metal spring 400 can be shunk, and work as note
Recall metal spring 400 shrink after, by memory metal spring 400 far from lower block piece 100 one end abut upper block piece 220 and with
The spool 210 that upper block piece 220 connects is together towards mobile close to one end of lower block piece 100, thus using spool 210 by water service pipe
The flow clearance of flow cavity 310 inside 300 reduces, to achieve the purpose that reduce the water flow for entering water heater, to have
Higher temperature is heated to conducive to the water temperature in water heater；Such as summer, when flowing through the memory metal flow control valve 010
When water temperature is higher, the volume of memory metal spring 400, which can expand, is restored to original volume size, when memory metal set is swollen
After swollen, the upper block piece 220 abutted with one end of memory metal spring 400 and the spool 210 connecting with upper block piece 220 can together
As the expansion of memory metal spring 400 is mobile to one end far from lower block piece 100, thus using spool 210 by water service pipe 300
The flow clearance of internal flow cavity 310 increases, to achieve the purpose that increase the water flow for entering water heater, to avoid water
Temperature is by hotter excessively high.
In conclusion the beneficial effect of the memory metal flow control valve of the utility model, water flow sensing device and water heater
Fruit is:
Memory metal flow control valve provided by the embodiment of the utility model, when in use, the memory metal element of setting
The variation that volume can occur with the temperature for the water flow for flowing through the memory metal flow control valve, when the volume of memory metal element is sent out
When changing, it can be moved in the flow cavity of water service pipe by the spool that memory metal element controls, to be adjusted using valve core
The gap that flow cavity water supply stream passes through increases or reduces, and flows through the memory metal flow tune according to the big minor adjustment of water temperature to reach
Save the purpose of the water flow size of valve；And the spool of the utility model embodiment includes the first valve body and the second valve interconnected
Body, the first valve body are cone, and the second valve body is cylinder, and the direct second end from the first valve body of the first valve body is to first
End is gradually reduced, when can be moved in water service pipe using the spool, the gentler flow cavity changed inside water service pipe
Pore size, thus the flow of gentle changes water flow, achieve the purpose that gradually, slow change water flow size.
Water flow sensing unit provided by the embodiment of the utility model, when in use, the memory metal of one end setting of connecting tube
With the temperature for the water flow for flowing through the memory metal flow control valve volume can occur for the memory metal element of flow control valve setting
Variation, when the volume of memory metal element changes, by memory metal element control spool can be in the flowing of water service pipe
It is moved in chamber, so that the gap increase or reduce that flow cavity water supply stream passes through are adjusted using valve core, to reach according to water temperature
Big minor adjustment flows through the purpose of the water flow size of the memory metal flow control valve；And the spool of the utility model embodiment includes
First valve body and the second valve body interconnected, the first valve body are cone, and the second valve body is cylinder, and the first valve body is straight
It connects from the second end of the first valve body to first end and is gradually reduced, when can be moved in water service pipe using the spool, more gently
The pore size for changing the flow cavity inside water service pipe, thus the flow of gentle change water flow, thus can also be to setting
Water flow sensing unit inside connecting tube is protected, and water flow sensing unit is avoided to be often subject to rushing for the water flow of unstable size
It hits.
Water heater provided by the embodiment of the utility model can use the note for being set to water flow sensing device when in use
Recall the size that metal flow regulating valve adjusts water flow according to the water flow temperature for flowing through the water flow sensing device, and memory metal flow
First valve body of the spool being arranged in regulating valve be cone, the second valve body be cylinder, the first valve body it is direct from the first valve
The second end of body to first end is gradually reduced, so as to more gentle using mobile realization water flow size of the spool in water service pipe
Change, improve the usage comfort of user, gentle the changing of water flow size can also pass the water flow being set in connecting tube
Sensor is protected.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of memory metal flow control valve, which is characterized in that including memory metal element, lower block piece, valve component and water flowing
Pipe；The inside of the water service pipe has flow cavity, and the lower block piece is connected to the bottom of the water service pipe, and the lower block piece tool
There is the limbers for being connected to the flow cavity；The memory metal element is connect with the valve component, and the valve component includes valve
Core, the memory metal element can control the spool and supplied water along the length direction sliding of the water service pipe with controlling the flow cavity
The gap that stream passes through increases or reduces；Wherein, the spool include the first valve body and the second valve body, the first of first valve body
End is connect with second valve body, and second valve body is between first valve body and the lower block piece, second valve
Body is cylinder, and first valve body is cone, and the diameter of first valve body is from the first end of first valve body to institute
The second end for stating the first valve body is gradually increased, and the diameter of second valve body is equal to the diameter of the first end of first valve body.
2. memory metal flow control valve according to claim 1, which is characterized in that the valve component further includes upper gear
Part, the second end of first valve body are connect with the upper block piece, and the upper block piece and the lower block piece interval are arranged.
3. memory metal flow control valve according to claim 2, which is characterized in that the memory metal element includes memory
Metal spring, the memory metal spring pocket are set to the outside of the water service pipe, and the both ends difference of the memory metal spring
Abut the upper block piece and the lower block piece.
4. memory metal flow control valve according to claim 3, which is characterized in that the upper block piece includes the first block body
With the second block body, the second end of first valve body is connect with first block body, first block body and second block body
Connection, second block body are sheathed on the outside of the water service pipe, the one end of the memory metal spring far from the lower block piece
It is abutted with second block body.
5. memory metal flow control valve according to claim 4, which is characterized in that second block body includes First
Rank body, second step body and third step body, the first step body, the second step body and the third step body are successively
It is stacked, and the diameter of the first step body, the second step body and the third step body is gradually increased.
6. memory metal flow control valve according to claim 5, which is characterized in that first block body is under described
One end of block piece is provided with first step hole and second step hole, and the internal diameter in the first step hole is greater than the second step hole
Internal diameter, and the first step hole and the second step hole are coaxially disposed, and the second step body is in the second step
Hole cooperation, the third step body and the first step hole cooperate.
7. memory metal flow control valve according to claim 2, which is characterized in that the memory metal element includes memory
Metal spring, the second end of first valve body are connect with the upper block piece by the memory metal spring.
8. the memory metal flow control valve according to claim 2 or 7, which is characterized in that the upper block piece is far from described
One end of lower block piece offers discharge orifice.
9. a kind of water flow sensing device, which is characterized in that including any one of water flow sensing unit, connecting tube and claim 1-8 institute
The memory metal flow control valve stated, the water flow sensing unit are set to the inside of the connecting tube, the memory metal flow
Regulating valve is set to one end of the connecting tube.
10. a kind of water heater, which is characterized in that including water flow sensing device as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821136551.0U CN208535296U (en) | 2018-07-17 | 2018-07-17 | Memory metal flow control valve, water flow sensing device and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821136551.0U CN208535296U (en) | 2018-07-17 | 2018-07-17 | Memory metal flow control valve, water flow sensing device and water heater |
Publications (1)
| Publication Number | Publication Date |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114232150A (en) * | 2021-12-10 | 2022-03-25 | 许文瑄 | Automatic cotton yarn weaving machine |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191014 Address after: Lot No. b06-1, hi tech Industrial Park, Gaoli community neighborhood committee, Ronggui sub district office, Shunde District, Foshan City, Guangdong Province 528000 is one of the second floors of workshop 4. Patentee after: Guangdong Yongyan Electric Technology Co., Ltd. Address before: 528400 Ronggui Avenue, Junggui Street, Shunde District, Foshan City, Guangdong Province, 125 Blocks, 18 Blocks, 808, Yueshun Haoting Phase III Patentee before: Yang Zhi |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Memory metal flow control valve , rivers sensing device and water heater Effective date of registration: 20200623 Granted publication date: 20190222 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd. Pledgor: Guangdong Yongyan Electric Technology Co.,Ltd. Registration number: Y2020980003422 |
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Date of cancellation: 20210818 Granted publication date: 20190222 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd. Pledgor: Guangdong Yongyan Electric Technology Co.,Ltd. Registration number: Y2020980003422 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Memory metal flow regulating valve, water flow sensing device and water heater Effective date of registration: 20211122 Granted publication date: 20190222 Pledgee: Guangdong Shunde Rural Commercial Bank Co.,Ltd. science and technology innovation sub branch Pledgor: Guangdong Yongyan Electric Technology Co.,Ltd. Registration number: Y2021980012917 |