CN109578653A - A kind of blowdown control valve and water heater - Google Patents
A kind of blowdown control valve and water heater Download PDFInfo
- Publication number
- CN109578653A CN109578653A CN201811390954.2A CN201811390954A CN109578653A CN 109578653 A CN109578653 A CN 109578653A CN 201811390954 A CN201811390954 A CN 201811390954A CN 109578653 A CN109578653 A CN 109578653A
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- Prior art keywords
- valve body
- spool
- handle
- valve
- water inlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 194
- 238000007789 sealing Methods 0.000 claims abstract description 76
- 239000010865 sewage Substances 0.000 claims abstract description 24
- 210000000476 body water Anatomy 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims description 24
- 238000010586 diagram Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
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- 229920001707 polybutylene terephthalate Polymers 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 206010053615 Thermal burn Diseases 0.000 description 3
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- 238000003780 insertion Methods 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- 238000000429 assembly Methods 0.000 description 1
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- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
Abstract
The invention discloses a kind of blowdown control valve and water heaters, are related to technical field of water heaters, and operation of the present invention is simple, good airproof performance, is not easy to get rusty, occupy little space.The blowdown control valve includes valve body, spool, handle and sealing ring, and valve body is equipped with inlet and outlet；The first end of spool is located at the water inlet of valve body, and second end is located at the inside of valve body；The first end of handle and the second end of spool are against second end stretches out the water outlet of valve body, and internal with drainage hole；Sealing ring is located between the first end and water inlet of spool, and is fixed on the first end of spool or the water inlet of valve body；When handle is moved along valve inner towards valve inleting water mouth direction, water inlet gap is generated between sealing ring and water inlet or between sealing ring and spool first end；When handle is moved along valve inner towards valve body water outlet direction, sealing ring is pressed at valve inleting water mouth by the first end of spool.The present invention is used to control the opening and closing of water heater sewage draining exit.
Description
Technical field
The present invention relates to technical field of water heaters more particularly to a kind of blowdown control valves and water heater.
Background technique
After used a period of time, meeting dirts such as sediment incrustation, silt in water heater are miscellaneous for storage-type electric water heater product
Matter uses water quality to improve, and needs periodically to exclude the dirt in water heater.Water heater is both provided with sewage draining exit, and sewage draining exit connects
It is connected to blowdown nut or blowdown control valve, when water heater needs blowdown to clean, opens blowdown nut or blowdown control
Valve releases the sewage in water heater, then cleaning to water heater.
User can ask professional to visit cleaning, but the personnel of profession is asked to visit cleaning, will increase the use of user
Cost, and many time can be wasted.In addition to this, user also can choose self-cleaning, existing water heater blowdown mode
Blowdown nut usually is set in end-of-the-pipe, or is beaten when needing to exclude dirt impurity in end-of-the-pipe connection ball valve
The sewage in the blowdown nut or ball valve discharge water heater of sewage draining exit is opened, and water heater is further rinsed.
But the prior art has the following problems: in water heater sewage outfalls setting blowdown nut, being controlled using blowdown nut
When blowdown, need to unscrew blowdown nut using spanner, it is complicated for operation, if the coolant-temperature gage in water heater is higher, accidentally may
It can be burned, and use for a long time, get rusty easily between end-of-the-pipe and blowdown nut, it is not easy to disassemble, blowdown is tightened again
When nut, the problem of being easy to appear poorly sealed, water heater leak.When using ball valve control of sewage disposal, need in water heater blowdown
The lower section of mouth connects a ball valve, and for ball valve independently of being arranged except water heater, volume itself is larger, and controls the manipulator of ball valve
Handle can occupy biggish space in the radial position of ball valve, influence product beauty, and ball valve cost of manufacture is relatively high.
Summary of the invention
The embodiment of the present invention provides a kind of blowdown control valve and water heater, and good seal performance is not easy to get rusty, occupied space
It is small, manufacturing cost is low, can be with anti-scald.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
A kind of blowdown control valve, including valve body, spool, handle and sealing ring, the both ends of valve body be respectively equipped with in valve body
The inlet and outlet of portion's connection, the first end of spool are located at the water inlet of valve body, and the second end of spool is located at valve body
Inside, the first end of handle and the second end of spool are against the second end of handle stretches out the water outlet of valve body, and the inside of handle
With drainage hole, sealing ring is located between the first end and water inlet of spool, and is fixed on the first end or fixation of spool
Water inlet on valve body；
When handle is moved along the direction of valve inner towards valve inleting water mouth, side of the spool towards valve inleting water mouth is pushed
To movement, so as to generate water inlet gap between sealing ring and water inlet or between sealing ring and spool upper end；
When handle is moved along the direction of valve inner towards valve body water outlet, spool is adjoint towards the side of valve body water outlet
To movement, so that sealing ring is pressed at valve inleting water mouth by the first end of spool.The blowdown control valve of the embodiment of the present invention, if
It is equipped with valve body, spool, handle and sealing ring.Valve body both ends communicate, and valve body one end is water inlet, connect with the sewage draining exit of water heater
It connects, the valve body other end is water outlet, and sewage flows through blowdown control valve and finally flows out from valve body water outlet；The first end position of spool
In the water inlet of valve body, second end is located at valve inner；The first end of handle and the second end of spool are connected, handle
Second end stretches out the water outlet of valve body, and handle is hollow structure, and centre is equipped with drainage hole, and drainage hole is to be connected water
Stream makes to enter the water flow inside blowdown control valve by the drainage hole among handle, flows out valve body from the second end of handle, reach
To the effect of anti-scald；It is connected between handle and spool, keeps handle adjoint with movable valve plug along the movement of valve inner
Handle does identical move along valve inner together.Sealing ring can be fixed between spool first end and valve inleting water mouth
It in the first end of spool, can also be fixed at valve inleting water mouth, sealing ring and the cooperation of spool first end can be with sealed valve bodies
Water inlet.Operation handle moves handle towards valve inleting water mouth along valve inner, and handle pushes the spool direction abutted against
Valve inleting water mouth movement makes to generate water inlet gap, blowdown between sealing ring and valve inleting water mouth or between sealing ring and spool
Control valve conducting；Operation handle moves handle towards valve body water outlet along valve inner, and spool is with handle together towards valve
Sealing ring is pressed at valve inleting water mouth by the movement of body water outlet, the first end of spool, closes the water inlet gap of valve inleting water mouth
It closes, to close blowdown control valve.When blowdown control valve is closed, water flow is enclosed in except valve inleting water mouth, valve inner component
It is not contacted with water, promotes the antirust ability of blowdown control valve.The blowdown control valve group insertion of the embodiment of the present invention is mounted on heat
The end-of-the-pipe of hydrophone, and handle is protruded by valve body water outlet, user by operation handle can control of sewage disposal control valve open
It opens or closes, for ball valve, blowdown control valve occupied space of the present invention is smaller, the aesthetics of water heater can be promoted,
And structure is simple, production cost is low；For blowdown nut, blowdown control valve of the present invention is easy to operate, and high reliablity is close
Sealing property is good.
On the other hand, the embodiment of the invention also provides a kind of water heater, including sewage draining exit, sewage draining exit is connected and installed with
The blowdown control valve stated.
The water heater of the embodiment of the present invention is not influencing water heater blowdown energy due to being provided with above-mentioned blowdown control valve
Under the premise of power, structure is simpler, operates more convenient.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will use below required for the embodiment of the present invention
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is the configuration schematic diagram that the valve body of the blowdown control valve of the embodiment of the present invention is an integral structure；
Fig. 2 is that the blowdown of the embodiment of the present invention controls valve closing state fashionable dress distribution structure schematic diagram；
Fig. 3 is that the valve body of the blowdown control valve of the embodiment of the present invention is the configuration schematic diagram of split type structure；
Fig. 4 is that the valve body of the blowdown control valve of the embodiment of the present invention is the assembling structure schematic diagram of split type structure；
Assembling structure schematic diagram when Fig. 5 is the blowdown control valve open state of the embodiment of the present invention；
Fig. 6 is that the sealing ring of the blowdown control valve of the embodiment of the present invention is fixed on the assembling structure signal of valve body water outlet
Figure；
Fig. 7 is the valve core structure schematic diagram of the blowdown control valve of the embodiment of the present invention；
Fig. 8 is the planar development schematic diagram of guiding groove in the blowdown control valve guide structure of the embodiment of the present invention；
Fig. 9 is the structural schematic diagram of the water heater of the embodiment of the present invention.
Appended drawing reference:
1- valve body；11 water inlets；12- water outlet；13- main valve body；14- main valve body support；15- internal screw thread；The second ring of 16-
Connected in star；2- spool；21- flange arrangement；22- hollow structure；23 channels；24- first annular groove；3- handle；31- draining is logical
Hole；32- helicitic texture；4- sealing ring；5- spring；6- guide structure, 61- bootstrap block；62- guiding groove；Anchor point under 621-；
The 622- vectoring phase；The upper anchor point of 623-；7- seal washer；100- blowdown control valve；200- sewage draining exit；201- external screw thread.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "left", "right", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For the convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected.It is right
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The embodiment of the present invention provides a kind of blowdown control valve 100, including valve body 1, spool 2, handle 3 and sealing ring 4, valve body
1 both ends are respectively equipped with the water inlet 11 and water outlet 12 being connected to inside valve body 1, and the first end of spool 2 is located at valve inleting water
At mouth 11, second end is located at the inside of valve body 2, and the first end of handle 3 and the second end of spool 2 are against the second end of handle 3 is stretched
The water outlet 12 of valve body 1 out, and the inside of handle 3 has drainage hole 31, sealing ring 4 is located at the first end and valve body 1 of spool 2
Water inlet 11 between, and be fixed on the first end of spool 2 or be fixed at the water inlet 11 of valve body 1；
When handle 3 moves inside valve body 1 towards 11 direction of water inlet of valve body 1, push spool 2 towards valve body 1
The movement of 11 direction of water inlet makes to generate water inlet between sealing ring 4 and water inlet 11 or between sealing ring 4 and the first end of spool 2
Gap；
When handle 3 moves inside valve body 1 towards 12 direction of water outlet of valve body 1, spool 2 is adjoint towards valve body 1
Sealing ring 4 is pressed at valve inleting water mouth 11 by the movement of 12 direction of water outlet, the first end of spool 2.
The blowdown control valve 100 of the embodiment of the present invention is provided with valve body 1, spool 2,3 and of handle as depicted in figs. 1 and 2
Sealing ring 4.The both ends of valve body 1 are respectively equipped with the water inlet 11 and water outlet 12 being connected to inside valve body 1.The first end of spool 2
At the water inlet 11 of valve body 1, second end is located at the inside of valve body 1.The first end of handle 3 and the second end of spool 2 against
Connection, second end stretches out valve body water outlet 12, and handle 3 is hollow structure, and centre is equipped with drainage hole 31；Handle 3 and spool 2
Between be connected, make handle 3 inside valve body 1 movement can with movable valve plug 2 with handle 3 together along the inside of valve body 1
Do identical movement；Drainage hole 31 makes to enter the water flow inside blowdown control valve 100 by handle 3 water flow is connected
Between drainage hole 31, from the second end of handle 3 flow out, achieve the effect that anti-scald.Sealing ring 4 be located at 2 first end of spool and
Between valve inleting water mouth 11, it can be fixed on the first end of spool 2, can also be fixed at valve inleting water mouth 11,4 He of sealing ring
The cooperation of 2 first end of spool can be with sealed valve body water inlet 11.Operation handle 3, make handle 3 inside valve body 1 towards valve body 1 into
The movement of 11 direction of the mouth of a river, handle 3 push the spool 2 abutted against to move towards 11 direction of water inlet of valve body 1,4 He of sealing ring
Water inlet gap is generated between valve inleting water mouth 11 or between sealing ring 4 and spool 2, blowdown control valve 100 is connected；Operation handle
3, move handle 3 inside valve body 1 towards 12 direction of water outlet of valve body 1, spool 2 is with handle 3 together towards valve body 1
Sealing ring 4 is pressed at valve inleting water mouth 11 by the movement of 12 direction of water outlet, the first end of spool 2, makes valve inleting water mouth 11
Water inlet space closure, to close blowdown control valve 100.When blowdown control valve 100 is closed, blowdown control valve 100 is close by water flow
It is enclosed in except valve inleting water mouth 11,1 internal component of valve body is not contacted with water, promotes the antirust ability of blowdown control valve.The present invention
The component insertion of embodiment blowdown control valve 100 is mounted on the end-of-the-pipe of water heater, and handle 3 is stretched by valve body water outlet 12
Enter, by operation handle 3 can control of sewage disposal control valve 100 be turned on or off, for ball valve, blowdown of the present invention
100 occupied space of control valve is smaller, can promote the aesthetics of product, and structure is simple, production cost is low；Compared to blowdown nut
For, blowdown control valve of the present invention is easy to operate, high reliablity, good seal performance.
It should be noted that the blowdown control valve 100 of the embodiment of the present invention, as depicted in figs. 1 and 2, valve body 1 can be one
A entirety, as shown in Figure 3 and Figure 4, valve body 1 are also segmented into two part main valve bodies 13 and main valve body support 14, main valve body 13
It is connected between main valve body support 14 with helicitic texture.As shown in Fig. 2, when 2 closed valve water inlet 11 of sealing ring 4 and spool
When, blowdown control valve 100 is in not on-state, and also referred to as blowdown control valve 100 is in close state；Similarly, such as Fig. 5 institute
Show, when being in discrete state between sealing ring 4 and spool 2 and valve inleting water mouth 11, blowdown control valve is on shape
State, also referred to as blowdown control valve are in the open state.The diagram installation direction of blowdown control valve 100 of the present invention is right angle setting, root
According to the difference of water heater Location for Sewage, blowdown control valve 100 can also be horizontally mounted or angled inclination installation, when
When blowdown 100 right angle setting of control valve, the first end of spool 2 is the upper end of 2 shown position of spool, the second end of spool 2
For the lower end of 2 shown position of spool, the first end of handle 3 is the upper end of 3 shown position of handle, and the second end of handle 3 is handle 3
The lower end of shown position.Spool 2 moves associated movement and refers to, spool 2 contacts with each other but is not fixed with handle 3 and connect, the two
It can produce mutual pressure, mutual pulling force cannot be generated, handle 3 is transported along inside valve body 1 towards the water outlet 12 of valve body 1
When dynamic, spool 2 can also move under the hydraulic pressure effect at the water inlet 11 of valve body 1 towards the water inlet 12 of valve body 1, spool 2 and
Handle 3 generates identical movement and displacement, and finally still abuts each other.
The blowdown control valve 100 of the embodiment of the present invention, sealing ring 4 be located at spool 2 first end and valve inleting water mouth 11 it
Between, sealing ring 4 can be fixed on the upper first end of spool 2, can also be fixed at valve inleting water mouth 11.As shown in Fig. 2, implementing
Example one are as follows: sealing ring 4 is fixed on the case where first end of spool 2；As shown in fig. 6, embodiment two are as follows: sealing ring 4 is fixed on valve
The case where at body water inlet 11.
Embodiment one
The blowdown control valve 100 of the embodiment of the present invention, as shown in Figure 2 and Figure 5, sealing ring 4 is fixed on the first of spool 2
End, when needing blowdown control valve 100 switching to open state from closed state, operation handle 3 generates the water inlet towards valve body 1
The displacement in 11 directions, drive with handle 3 against spool 2 and positioned at 2 first end of spool sealing ring 4 generation it is identical as handle 3
11 direction of water inlet towards valve body 1 displacement, sealing ring 4 separates with the water outlet 11 of valve body 1, generates water inlet gap, row
Dirty control valve 100 is connected.When blowdown control valve 100 is in close state, the hydraulic pressure in water heater is that sealing ring 4 provides direction
The power in 12 direction of water outlet of valve body 1, is bonded sealing ring 4 preferably with valve body water outlet 11, promotes blowdown control valve 100
Sealing performance.
When blowdown control valve 100 switchs to closed state from open state, as shown in Figure 2 and Figure 5, because of spool 2 and handle 3
Between to be connected, rather than be fixedly connected, after handle 3 generates downward displacement, spool 2 generates under the hydraulic pressure in water heater
Towards the displacement in 12 direction of water outlet of valve body 1, and it is bonded valve inleting water mouth 11, to close blowdown control valve 100.In order to more
Add it is smooth, quickly spool 2 is made to generate downward displacement, and close blowdown control valve 100, can be arranged in the position of spool 2
One rebounding mechanism 5 provides one towards valve body for spool 2 when blowdown control valve 100 switchs to closed state from open state
The power in 1 12 direction of water outlet accelerates displacement of the generation of spool 2 towards 12 direction of water outlet of valve body 1.Spring 5 is a kind of excellent
Elegant energy storage part, structural reliability is high, is simple to manufacture, cost is relatively low, therefore selects spring 5 as blowdown of the embodiment of the present invention
The resilient structures of control valve 100, the installation settings spring 5 at spool 2.
In order to install spring 5, and the elastic force for enabling it to provide is applied on spool 2, as shown in fig. 7, the of spool 2
Two ends be arranged flanged structure 21,5 sets of spring around spool 2, one end of spring 5 is resisted against the flanged structure of 2 bottom end of spool
On 21, other end is resisted against at the water inlet 11 of valve body 1.In order to keep 100 overall structure of blowdown control valve more compact, reduce
It being taken up space, the internal diameter of spring 5 is less than the outer diameter of flanged structure 21 slightly larger than the outer diameter with spool 2, while spring 5
Outer diameter is slightly less than the internal diameter of valve body 1, prevents or reduce the radial displacement of spool 2.As shown in Figure 2 and Figure 5, blowdown control valve 100
When switching to open state from closed state, spool 2 generates the movement towards 11 direction of water inlet of valve body 1, compressed spring 5, bullet
Spring 5 stores energy, and when blowdown control valve 100 switchs to closed state from open state, spring releases energy, and provides court for spool 2
To the power in 12 direction of water outlet of valve body 1, spool 2 smoothly generates the displacement towards 12 direction of water outlet of valve body 1, closes
Close blowdown control valve 100.No matter blowdown control valve 100 is in the open state or closed state, and spring 5 is always in compression shape
State is continuously spool 2 and provides the elastic force in 12 direction of water outlet towards valve body 1.As shown in Fig. 2, working as blowdown control valve 100
When closing, spring 5 is the elastic force in 12 direction of water outlet towards valve body 1 that spool 2 provides, and is conducted to sealing ring 4, makes
Sealing ring 4 is preferably bonded valve inleting water mouth 11, improves the sealing performance of blowdown control valve 100；Blowdown control valve 100 is opened
When, the spring 5 under compressive state can store more energy, and blowdown control valve 100 needs to steer off shape from open state
When state, spring 5 is the power in bigger 12 direction of water outlet towards valve body 1 that spool provides, and is more advantageous to 2 court of spool
Movement to 12 direction of water outlet of valve body 1, makes the water inlet gap at the water inlet 11 of 4 valve body 1 of sealing ring.
The blowdown control valve 100 of the embodiment of the present invention is additionally provided with location structure, and location structure is located at blowdown control valve 100
On each component, for limiting the relative positional relationship between handle 3 and valve body 1 or between spool 2 and valve body 1.Such as Fig. 2 institute
Show, when blowdown control valve 100 is in close state, the second end of handle 3 is located at the position of 1 water inlet 11 of valve body relatively far away from
It sets, the positioning mechanism being arranged between handle 3 and valve body 1, to ensure that handle 3 will not be fallen out of valve body 1；As shown in figure 5,
When blowdown control valve 100 is in the open state, spring 5 is in compressive state, and handle 3, spool 2 and sealing ring 4 are by gravity, hydraulic pressure
With spring force etc. towards the active force in 12 direction of water outlet of valve body 1, positioning mechanism may insure that the component will not generate court
Displacement and then closing blowdown control valve 100 to 12 direction of water outlet of valve body 1.
It should be noted that whether the upper end of handle 3 is in valve body 1 when blowdown control valve 100 is in close state
It is interior with spool 2 against not interfering with the positional relationship of the other assemblies in addition to handle 3, therefore between handle 3 and valve body 1
It can also be not provided with positioning mechanism, when the second end of handle 3 is directly connected to drainage pipeline, and blowdown control valve 100 is closed,
The related drainage pipeline of handle 3 is taken out out of valve body 1 directly, or the lower section of handle 3 can be connected to using hard straight pipeline, it will
Handle 3 withstands on the inside of valve body 1, and handle 3 is made not drop out valve body 1.
The opening and closing of blowdown control valve 100, need to do by handle 3 inside along valve body 1 towards valve body 1 into
The displacement in 12 direction of 11 direction of the mouth of a river or water outlet realizes, handle 3 can generate in several ways towards valve body 1 into
11 direction of the mouth of a river perhaps 12 direction of water outlet displacement for example: push directly on or pull handle 3, be allowed to generate towards valve body 1
12 direction of 11 direction of water inlet or water outlet displacement；By helicitic texture rotating handle 3, it is allowed to generate towards valve body 1
12 direction of 11 direction of water inlet or water outlet displacement.But by the way of pushing directly on or pulling handle, usually
Need to do the location structure between valve body 1 and handle 3 using clip spring structure, clip spring structure is complicated, and manufacturing cost is higher.Using spiral shell
When line structure guide handle 3, the displacement of handle generation enough size could be made by needing to rotate many circles, complicated for operation.This hair
Guide structure 6 is arranged in the blowdown control valve 100 of bright embodiment between handle 3 and valve body 4, by guide structure 6, can incite somebody to action
Handle 3 is converted into handle 3 in the rotary motion in valve body 1 and towards water inlet 11 direction of valve body 1 or goes out along in valve body 1
The opening and closing of blowdown control valve 100, and guide structure 6 can be operated in the displacement in 12 direction of the mouth of a river, user's rotating handle 3
Structure is simple, and manufacturing cost is low, easy to operate.
Guide structure 6 is made of bootstrap block 61 and guiding groove 62, and is arranged on valve body 1 and handle 3.Bootstrap block 61 is set
It is set to U-shaped structure, and surface is smooth, can smoothly be slided on 62 surface of guiding groove；As shown in figure 8,62 surface of guiding groove is smooth
And it is divided into 3 stages, respectively the first anchor point 621, the vectoring phase 622, the second anchor point 623, the first of guiding groove 62 be fixed
Site 621 and the second anchor point 623 are all for concave structure, and to ensure at anchor point, bootstrap block 61 will not be in guiding groove
Opposite sliding occurs on 62.When rotating handle 3, bootstrap block 61 is from the first anchor point 621 of guiding groove 62 along guidance rank
Section 622 slides into the second anchor point 623, or reversely slides from the second anchor point 623 of guiding groove 62 along the vectoring phase 622
To the first anchor point 621, in the process, handle 3 generates the position towards 12 direction of water inlet 11 or water outlet of valve body 1
It moves.
It should be noted that bootstrap block 61 respectively can be in the first anchor point 621 of guiding groove 62 and the second anchor point 623
It plays the role of positioning between valve body 1 and handle 3.Therefore it does not need to be once again set up individual location structure and carrys out 1 handle 3 of limiting valve body
Positional relationship between and.
As shown in figures 1 and 3, the bootstrap block 61 of guide structure 6 and guiding groove 62 can be arranged in valve by two ways
On body 1 and handle 3.First is that: bootstrap block 61 is arranged on valve body 1, on the handle 3 by the setting of guiding groove 62；Second is that: it will guide
Block 61 is arranged on the handle 3, and guiding groove 62 is arranged on valve body 1.
The bootstrap block 61 and guiding groove 62 of guide structure 6 on valve body 1 and handle 3 there are many arrangement, be respectively as follows: by
The inner wall of handle 3 is arranged in bootstrap block 61, and the outer wall of valve body 1 is arranged in guiding groove 62；The outer of handle 3 is arranged in bootstrap block 61
The inner wall of valve body 1 is arranged in wall, guiding groove 62；Guiding groove 62 is arranged in the inner wall of handle 3, bootstrap block 61 is arranged in valve body 1
Outer wall；Guiding groove 62 is arranged in the outer wall of handle 3, the inner wall of valve body 1 is arranged in bootstrap block 61.Wherein " by bootstrap block 61
In 3 inner wall of handle, guiding groove 62 is arranged in 1 outer wall of valve body for setting " mode, as shown in Figure 1, can be by 3 operation part of handle
Outer diameter increase, under identical torque demand, increase the arm of force, reduce operation forces, operation is easier, and outside handle 3
It is not much different outside diameter and valve body 1, increases overall aesthetics；" guiding groove 62 is arranged in the outer wall of handle 3, bootstrap block 61 is set
Set the inner wall in valve body 1 " mode, as shown in figure 3, handle is small and exquisite, structure is more compact.
The blowdown control valve 100 of the embodiment of the present invention is using " by the setting of bootstrap block 61 in 3 inner wall of handle, guiding groove 62 is set
Set in 1 outer wall of valve body " guidance mode when, blowdown control valve 100 makes to be located at from closed state road open state, rotating handle 3
Bootstrap block 61 on handle 3 is from the lower anchor point 621 of the guiding groove 62 on valve body 1, along the vectoring phase 622 of guiding groove 62
The upper anchor point 623 of guiding groove 62 is slided into, in the axis of valve body 1 between the lower anchor point 621 and upper anchor point 623 of guiding groove 62
Difference in height on direction is exactly that rotating handle 3 generates the size that shifts up, and with this drive with handle 3 against spool 2
The identical displacement of upward size is generated with the sealing ring 4 being located on spool 2, is made between sealing ring 4 and the water inlet 11 of valve body 1
Water inlet gap is formed, blowdown control valve 100 is able to conducting and opens.When blowdown control valve 100 switchs to closed state by open state,
The bootstrap block 61 when the motion profile on guiding groove 62 switchs to open state from closed state with blowdown control valve 100 of bootstrap block 61
The motion profile of motion profile on guiding groove 62 is on the contrary, repeat no more.
The spool 2 of blowdown of embodiment of the present invention control valve 100, as shown in fig. 7, outer diameter is slightly less than 1 water outlet 11 of valve body
Internal diameter, in spool 2, lower part set up separately and be set to hollow structure 22, and radially with the channel 23 that is connected to inside valve body 1, channel
23 can be circular channel or oblong channel, in order to which more convenient water flow passes through, increase valve body 1 and sealing ring 4 and spool 2
Between water inlet gap, increase blowdown control valve 100 contaminant removal effectiveness, avoid dirt impurity in water from blocking the water inlet gap, valve
Core 2 uses oblong channel, and is circumferentially uniformly opening 4 oblong channels 23,23 one end of oblong channel and spool in spool 2
Plane is concordant on 2 hollow structure 22, and the other end is concordant with plane on flange arrangement 21.The hollow structure 22 and handle 3 of spool 2
Drainage hole 31 be connected to, in order to prevent the indoor sewage of 1 chamber of valve body between valve body 1 and handle 3 gap outflow, handle 3
Gasket 7 can be set between valve body 1 or between handle 3 and spool 2, the outer wall of gasket 7 is bonded with the inner wall of valve body 1
Sealing, inner wall are bonded with the outer wall of handle 3；Alternatively, upper end is set as shown in figure 4,7 outer wall of gasket is bonded with the inner wall of valve body 1
For flange arrangement, flange arrangement is located between 2 lower end of 3 upper end of handle and spool.
As shown in fig. 7, the blowdown control valve 100 of the embodiment of the present invention, 2 first end of spool is provided with circumferential first annular
Groove 24, the first annular groove 24 are solid construction among first annular groove 24 in the first end of spool 2, and sealing ring 4 is
Circular symmetrical structure is connected in the first annular groove 24 of spool 2, and the water inlet 11 of valve body 1, sealing ring 4 is connected to
In the first annular groove 24 of spool 2, sealing ring 4 is fixed on to the first end of spool 2, prevents sealing ring 4 from generating with respect to spool 2
Towards the displacement in 12 direction of 11 direction of water inlet or water outlet of valve body 1, increase the sealing performance of blowdown control valve 100.
When blowdown control valve 100 switchs to open state from closed state, as shown in figure 5, the route of water flow are as follows: sewage is by arranging
At the water inlet 11 of the valve body 1 of dirty control valve 100, by by formed between valve core channel 23 and the water inlet 11 of valve body 1 into
Water space, flows into spool hollow structure 22, and a part of water flow directly passes through the draining for the handle 3 connecting with spool hollow structure 22
Through-hole 31 flows out blowdown control valve 100, and another part water flow flows into the chamber of valve body 1 by valve core channel 23, to blowdown control
After 100 top water flow of valve processed is complete, spool hollow structure 22 is back flowed back into through valve core channel 23, and logical by the draining of handle 3
Flow out blowdown control valve 100 in hole 31.External screw thread 32 can be set in the second end of handle 3, and the sewage of outflow can directly take container
It accepts, blow-off line can also be connected in the second end of handle 3, sewage is allowed to be discharged from blow-off line.
In order to increase the rustless property and structural reliability of above-mentioned blowdown control valve 100, valve body 1 uses copper or PBT
(polybutylene terephthalate, polybutylene terephthalate (PBT)) material, if when using PBT material, screw thread
Structure is all made of metal insert, and tapered face can be set in valve inleting water mouth 11, is preferably bonded with sealing ring 4, increases row
The sealing performance of dirty control valve 100；Spool 2 uses nylon or PBT material, the material structure is high with regard to intensity, it is corrosion-resistant and at
This is low；Handle 3 is cooperated using material identical with valve body 1；Sealing ring 4 can use silica gel material, and elasticity is good, valence
Lattice are low.
Embodiment two
The blowdown control valve 100 of the present embodiment and the difference of embodiment one are that sealing ring 4 is fixed on the water inlet of valve body 1
At mouth 11.In this way, operation handle 3, is allowed to generate the displacement towards 11 side of water inlet of valve body 1, promotion is connected with handle 3
Spool 2 do the displacement of identical 11 side of water inlet towards valve body 1, water inlet is generated between the first end and sealing ring 4 of spool 2
Gap, blowdown control valve 100 are opened；Operation handle 3 makes handle 3 generate the displacement towards 12 direction of water outlet of valve body 1, with
The spool 2 that handle 3 is connected generates the displacement towards 12 direction of water outlet of valve body 1, the first end and sealing ring 4 of spool 2
Between close water inlet gap, blowdown control valve 100 close.
Sealing ring 4 is fixed at the water inlet 11 of valve body 1 in order to realize, as shown in fig. 6, in the water inlet 11 of valve body 1
Place opens up second annular groove 16, and then sealing ring 4 can be fixed in second annular groove 16.
Spool 2, handle 3, spring 5, positioning mechanism and the guiding mechanism 6 of the blowdown control valve 100 of the present embodiment all with reality
Apply the interaction between the structure of the corresponding assembly of blowdown control valve 100 in example one, corresponding positional relationship and each component
Relationship is all identical, during the mutual conversion between 100 open state of blowdown control valve, closed state and two states,
The motion process of each component is the same as example 1.
On the other hand, the embodiment of the invention also provides a kind of water heaters, as shown in figure 9, including sewage draining exit 200, blowdown
Mouth 200 is equipped with above-mentioned blowdown control valve 100.
The water heater of the embodiment of the present invention, due to being provided with above-mentioned blowdown control valve 100, not influencing, water heater is normal
Using and pollution discharge capability under the premise of, structure is simpler, and sealing performance is more preferable, be not easy to get rusty, operate it is more convenient.
It should be noted that in order to realize that blowdown control valve 100 is fixed at sewage draining exit 200, referring to Fig. 9, blowdown
Mouth 200 is provided with external screw thread 201, and the outside of the valve body 1 of Fig. 2 blowdown control valve 100 is provided with internal screw thread 15.In this way, valve
Internal screw thread 15 on body 1 cooperates the outer spiral shell 201 on sewage draining exit 200, blowdown control valve 100 can be connected on water heater.
The above is only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, any to be familiar with
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those skilled in the art, should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (11)
1. a kind of blowdown control valve, including valve body, spool, handle and sealing ring, the both ends of the valve body be respectively equipped with it is described
The inlet and outlet of valve inner connection, the spool can move in the valve body, which is characterized in that the spool
First end is located at the water inlet, and the second end of the spool is located at the inside of the valve body, the first end of the handle with
The second end of the spool is against the second end of the handle stretches out the water outlet of the valve body, and the inside tool of the handle
There is drainage hole, the sealing ring is located between the first end and the water inlet of the spool, and is fixed on the spool
First end or the water inlet for being fixed on the valve body；
When the handle is moved along the direction of the valve inner towards the water inlet, the valve core movement is pushed, so that
Water inlet gap is generated between the sealing ring and the water inlet or between the sealing ring and the spool upper end；
When the handle is moved along the direction of the valve inner towards the water outlet, the spool associated movement, so that
The sealing ring is pressed at the valve inleting water mouth by the first end of the spool.
2. blowdown control valve according to claim 1, which is characterized in that the sealing ring is fixed on the first of the spool
End.
3. blowdown control valve according to claim 1, which is characterized in that the sealing ring is fixed on the described of the valve body
Water inlet.
4. blowdown control valve according to claim 2, which is characterized in that further include rebounding mechanism, the rebounding mechanism is used
In the power for applying a direction towards the water outlet to the spool, so that the sealing ring blocks the water inlet.
5. blowdown control valve according to claim 2, which is characterized in that further include being arranged in the handle and the valve body
Between or the location structure between the spool and the valve body, when the handle pushes the spool towards the water inlet
The direction movement of mouth, when making to generate water inlet gap between the sealing ring and the water inlet, the location structure is used for institute
The position stated between spool and the water inlet is relatively fixed.
6. blowdown control valve according to claim 2, which is characterized in that be equipped with guidance between the handle and the valve body
Structure, when the handle rotates in the valve body, the guide structure can be such that the handle generates in the valve body
Towards the displacement in the direction of the water inlet or the water outlet.
7. blowdown control valve according to claim 6, which is characterized in that the guide structure includes being arranged in the handle
On guiding groove, and the bootstrap block being arranged on the valve body,
Or,
The guide structure includes the bootstrap block being arranged on the handle, and the guiding groove being arranged on the valve body；
When the handle rotates in the valve body, the bootstrap block cooperation is slided in the guiding groove, makes the handle
The displacement towards the direction of the water inlet or the water outlet is generated in the valve body.
8. blowdown control valve according to claim 7, which is characterized in that the guiding groove of the guide structure and described
Any of bootstrap block is arranged in the inner wall of the handle, in the guiding groove and the bootstrap block of the guide structure
The outer wall of the valve body is arranged in another；
Or,
The outer wall of the handle is arranged in any of described guiding groove and the bootstrap block of the guide structure, described to draw
The inner wall of the valve body is arranged in another in the guiding groove and the bootstrap block of guide structure.
9. blowdown control valve according to claim 2, which is characterized in that the spool is hollow structure, and is radially had
There is the channel being connected to the valve inner, the hollow structure of the spool is connected to the drainage hole of the handle, institute
The outer wall for stating handle is arranged with gasket, and the outer wall of the gasket and the inner wall of the valve body are in sealing contact.
10. blowdown control valve according to claim 2, which is characterized in that the first end of the spool is circumferentially with first
Annular groove, the sealing ring are connected in the first annular groove.
11. a kind of water heater, including the liner for water storage, the liner is equipped with sewage draining exit, which is characterized in that the blowdown
Mouth is equipped with blowdown control valve according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390954.2A CN109578653A (en) | 2018-11-21 | 2018-11-21 | A kind of blowdown control valve and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390954.2A CN109578653A (en) | 2018-11-21 | 2018-11-21 | A kind of blowdown control valve and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109578653A true CN109578653A (en) | 2019-04-05 |
Family
ID=65923516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811390954.2A Pending CN109578653A (en) | 2018-11-21 | 2018-11-21 | A kind of blowdown control valve and water heater |
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| CN (1) | CN109578653A (en) |
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| CN112606413A (en) * | 2020-12-01 | 2021-04-06 | 抚州市银圣王洁具有限公司 | Plastic water tap valve core assembling device |
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