CN209146446U - A kind of blowdown control valve and water heater - Google Patents
A kind of blowdown control valve and water heater Download PDFInfo
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- CN209146446U CN209146446U CN201821921119.2U CN201821921119U CN209146446U CN 209146446 U CN209146446 U CN 209146446U CN 201821921119 U CN201821921119 U CN 201821921119U CN 209146446 U CN209146446 U CN 209146446U
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Abstract
The utility model discloses a kind of blowdown control valve and water heaters, are related to technical field of water heaters, and the utility model is easy to operate, good airproof performance, is not easy to get rusty, occupy little space.Including valve body, spool, handle and sealing ring, 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 utility model is used to control the opening and closing of water heater sewage draining exit.
Description
Technical field
The utility model 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.
Utility model content
The utility model embodiment provides a kind of blowdown control valve and water heater, good seal performance are not easy to get rusty, occupy sky
Between it is small, manufacturing cost is low, can be with anti-scald.
In order to achieve the above objectives, the embodiments of the present invention adopt 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 of the utility model embodiment controls
Valve is provided with valve body, spool, handle and sealing ring.Valve body both ends communicate, and valve body one end is water inlet, the blowdown with water heater
Mouth connection, the valve body other end are water outlet, and sewage flows through blowdown control valve and finally flows out from valve body water outlet；The first of spool
End is located at the water inlet of valve body, and second end is located at valve inner；The first end of handle and the second end of spool are connected, hand
The second end of handle 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 flow 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,
Achieve the effect that anti-scald；It is connected between handle and spool, allows handle along the movement of valve inner with movable valve plug companion
Identical move is done along valve inner with handle.Sealing ring is between spool first end and valve inleting water mouth, Ke Yigu
It is scheduled on 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 court abutted against
It is moved to valve inleting water mouth, makes to generate water inlet gap, row between sealing ring and valve inleting water mouth or between sealing ring and spool
Dirty control valve conducting；Operation handle moves handle towards valve body water outlet along valve inner, and spool is with handle together direction
Sealing ring is pressed at valve inleting water mouth by the movement of valve body water outlet, the first end of spool, makes 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 group
Part is not contacted with water, promotes the antirust ability of blowdown control valve.The blowdown control valve group of the utility model embodiment is embedded in peace
Mounted in the end-of-the-pipe of water heater, and handle is protruded by valve body water outlet, and user can control of sewage disposal control by operation handle
Valve is turned on or off, and for ball valve, the utility model blowdown control valve occupied space is smaller, can promote water heater
Aesthetics, and structure is simple, and production cost is low；For blowdown nut, the operation letter of the utility model blowdown control valve
It is single, high reliablity, good seal performance.
On the other hand, the utility model embodiment additionally provides a kind of water heater, including sewage draining exit, sewage draining exit connection installation
There is above-mentioned blowdown control valve.
The water heater of the utility model embodiment is not influencing water heater row due to being provided with above-mentioned blowdown control valve
Under the premise of dirty ability, structure is simpler, operates more convenient.
Detailed description of the invention
It, below will be to the utility model embodiment institute in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the utility model
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the configuration schematic diagram that the valve body of the blowdown control valve of the utility model embodiment is an integral structure；
Fig. 2 is that the blowdown of the utility model embodiment controls valve closing state fashionable dress distribution structure schematic diagram；
Fig. 3 is that the valve body of the blowdown control valve of the utility model embodiment is the configuration schematic diagram of split type structure；
Fig. 4 is that the valve body of the blowdown control valve of the utility model embodiment 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 utility model embodiment；
Fig. 6 is that the sealing ring of the blowdown control valve of the utility model embodiment is fixed on the assembling structure of valve body water outlet
Schematic diagram；
Fig. 7 is the valve core structure schematic diagram of the blowdown control valve of the utility model embodiment；
Fig. 8 is the planar development schematic diagram of guiding groove in the blowdown control valve guide structure of the utility model embodiment；
Fig. 9 is the structural schematic diagram of the water heater of the utility model embodiment.
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
Through-hole；32- helicitic texture；4- sealing ring；5- spring；6- guide structure, 61- bootstrap block；62- guiding groove；It is positioned under 621-
Point；The 622- vectoring phase；The upper anchor point of 623-；7- seal washer；100- blowdown control valve；200- sewage draining exit；The outer spiral shell of 201-
Line.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "left", "right", "vertical", " water
It is flat ", "top", "bottom", "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present 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
It is a or more than two.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
The utility model embodiment provides a kind of blowdown control valve 100, including valve body 1, spool 2, handle 3 and 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, and the first end of spool 2 is located at valve body
At water inlet 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 of handle 3
The water outlet 12 of valve body 1 is stretched out at end, and the inside of handle 3 has a drainage hole 31, sealing ring 4 be located at the first end of spool 2 with
Between the water inlet 11 of valve body 1, and it is fixed on the first end of spool 2 or is 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 utility model embodiment is provided with valve body 1, spool 2, hand as depicted in figs. 1 and 2
Handle 3 and 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 of spool 2
One end is located at the water inlet 11 of valve body 1, and second end is located at the inside of valve body 1.The first end of handle 3 and the second end of spool 2
It is connected, 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 with
Be connected between spool 2, make handle 3 inside valve body 1 movement can with movable valve plug 2 with handle 3 together along valve body 1
Do identical movement in inside；Drainage hole 31 makes to enter the water flow inside blowdown control valve 100 by handle water flow is connected
Drainage hole 31 among 3 flows out from the second end of handle 3, achievees the effect that anti-scald.Sealing ring 4 is located at spool 2 first
Between end and 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, sealed
Circle 4 and the cooperation of 2 first end of spool can be with sealed valve body water inlets 11.Operation handle 3 makes handle 3 inside valve body 1 towards valve body
1 11 direction of water inlet movement, handle 3 push the spool 2 abutted against to move towards 11 direction of water inlet of valve body 1, sealing
Water inlet gap is generated between circle 4 and valve inleting water mouth 11 or between sealing ring 4 and spool 2, blowdown control valve 100 is connected；Behaviour
Make handle 3, moves handle 3 inside valve body 1 towards 12 direction of water outlet of valve body 1, spool 2 is with handle 3 together direction
12 direction of water outlet of valve body 1 moves, and sealing ring 4 is pressed at valve inleting water mouth 11 by the first end of spool 2, makes valve inleting water
The water inlet space closure of mouth 11, to close blowdown control valve 100.When blowdown control valve 100 is closed, blowdown control valve 100 will
Water flow is sealed in except valve inleting water mouth 11, and 1 internal component of valve body is not contacted with water, promotes the antirust ability of blowdown control valve.
The component insertion of the utility model embodiment blowdown control valve 100 is mounted on the end-of-the-pipe of water heater, and handle 3 is by valve body
Water outlet 12 protrudes into, by operation handle 3 can control of sewage disposal control valve 100 be turned on or off, for ball valve,
The utility model blowdown 100 occupied spaces of control valve are smaller, can promote the aesthetics of product, and structure is simple, production cost is low；
For blowdown nut, the utility model blowdown control valve is easy to operate, high reliablity, good seal performance.
It should be noted that the blowdown control valve 100 of the utility model embodiment, as depicted in figs. 1 and 2, valve body 1 can
To be an entirety, as shown in Figure 3 and Figure 4, valve body 1 is also segmented into two part main valve bodies 13 and main valve body support 14, main
It is connected between valve body 13 and main valve body support 14 with helicitic texture.As shown in Fig. 2, when sealing ring 4 and 2 closed valve of spool are intake
When mouth 11, 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
Shown in Fig. 5, when being in discrete state between sealing ring 4 and spool 2 and valve inleting water mouth 11, blowdown control valve is in and leads
Logical state, also referred to as blowdown control valve are in the open state.The diagram installation direction of the utility model blowdown control valve 100 is vertical
Installation, according to the difference of water heater Location for Sewage, blowdown control valve 100 can also be horizontally mounted or angled inclination
Installation, 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, spool 2
Second end is the lower end of 2 shown position of spool, and the first end of handle 3 is the upper end of 3 shown position of handle, the second end of handle 3
For the lower end of 3 shown position of handle.Spool 2 moves associated movement and refers to, spool 2 contacts with each other with handle 3 but the company of being not fixed
It connects, the two can produce mutual pressure, cannot generate mutual pulling force, handle 3 is along going out towards valve body 1 inside valve body 1
When the mouth of a river 12 moves, 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 generate identical movement and displacement, and finally still abut each other.
The blowdown control valve 100 of the utility model embodiment, sealing ring 4 are located at the first end and valve inleting water mouth of spool 2
Between 11, 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,
Embodiment 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
The case where at valve inleting water mouth 11.
Embodiment one
The blowdown control valve 100 of the utility model embodiment, as shown in Figure 2 and Figure 5, sealing ring 4 is fixed on spool 2
First end, when needing blowdown control valve 100 switching to open state from closed state, operation handle 3 generate towards valve body 1 into
The displacement in 11 direction of the mouth of a river, drive with handle 3 against spool 2 and positioned at 2 first end of spool sealing ring 4 generate with handle 3
The displacement in identical 11 direction of water inlet towards valve body 1, sealing ring 4 are separated with the water outlet 11 of valve body 1, are generated between intaking
Gap, blowdown control valve 100 are connected.When blowdown control valve 100 is in close state, the hydraulic pressure in water heater is that sealing ring 4 mentions
It for the power towards 12 direction of water outlet of valve body 1, is bonded sealing ring 4 preferably with valve body water outlet 11, promotes blowdown control
The sealing performance of valve 100.
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 smoothly, quickly spool 2 is made to generate downward displacement, and closes blowdown control valve 100, can set in the position of spool 2
A rebounding mechanism 5 is set, when blowdown control valve 100 switchs to closed state from open state, provides one towards valve for spool 2
The power in 12 direction of water outlet of body 1 accelerates displacement of the generation of spool 2 towards 12 direction of water outlet of valve body 1.Spring 5 is a kind of
Outstanding energy storage part, structural reliability is high, is simple to manufacture, and cost is relatively low, therefore selects spring 5 as the utility model reality
A resilient structures for blowdown control valve 100 are applied, 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, in spool 2
Second end be arranged flanged structure 21,5 sets of spring around spool 2, one end of spring 5 is resisted against the flange knot of 2 bottom end of spool
On structure 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, subtract
Small to be taken up space, the internal diameter of spring 5 is less than the outer diameter of flanged structure 21, while spring 5 slightly larger than the outer diameter with spool 2
Outer diameter be slightly less than the internal diameter of valve body 1, prevent 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, and spool 2 generates the movement towards 11 direction of water inlet of valve body 1, compressed spring 5,
Spring 5 stores energy, and when blowdown control valve 100 switchs to closed state from open state, spring releases energy, and provides for spool 2
Towards 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,
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
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
When 100 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, make the preferably fitting valve inleting water mouth 11 of sealing ring 4, improves the sealing performance of blowdown control valve 100；Blowdown control valve 100
When unlatching, the spring 5 under compressive state can store more energy, and blowdown control valve 100 is needed from open state steering
When closed 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 valve
Core 2 makes the water inlet gap at the water inlet 11 of 4 valve body 1 of sealing ring towards the movement in 12 direction of water outlet of valve body 1.
The blowdown control valve 100 of the utility model embodiment is additionally provided with location structure, and location structure is located at blowdown control valve
On 100 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 figure
Shown in 2, when blowdown control valve 100 is in close state, the second end of handle 3 is located at valve body 1 water inlet 11 relatively far away from
Position, 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, handle 3, spool 2 and sealing ring 4 by gravity,
Towards the active force in 12 direction of water outlet of valve body 1, positioning mechanism may insure that the component will not produce for hydraulic pressure and spring force etc.
The raw displacement towards 12 direction of water outlet of valve body 1 and then closing blowdown control valve 100.
It should be noted that whether the upper end of handle 3 is in valve body when blowdown control valve 100 is in close state
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 in 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
The displacement in 1 12 direction of 11 direction of water inlet or water outlet；By helicitic texture rotating handle 3, it is allowed to generate towards valve body
The displacement in 1 12 direction of 11 direction of water inlet or water outlet.But by the way of pushing directly on or pulling handle, often
Often 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
When helicitic texture guide handle 3, the displacement of handle generation enough size could be made by needing to rotate many circles, complicated for operation.This
Guide structure 6 is arranged in the blowdown control valve 100 of utility model embodiment between handle 3 and valve body 4, by guide structure 6,
Handle 3 can be converted along 11 side of water inlet towards valve body 1 in valve body 1 in the rotary motion in valve body 1 by handle 3
To or 12 direction of water outlet displacement, the opening and closing of blowdown control valve 100 can be operated in user's rotating handle 3, and
6 structure of guide 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 is generated towards 12 direction of water inlet 11 or water outlet of valve body 1
Displacement.
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 draw
Guide block 61 is arranged on 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 utility model embodiment is using " by the setting of bootstrap block 61 in 3 inner wall of handle, guiding groove
62 are arranged in 1 outer wall of valve body " guidance mode when, blowdown control valve 100 is from closed state road open state, rotating handle 3,
Make the bootstrap block 61 being located on handle 3 at the lower anchor point 621 of the guiding groove 62 on valve body 1, along the guidance of guiding groove 62
Stage 622 slides into the upper anchor point 623 of guiding groove 62, in valve between the lower anchor point 621 and upper anchor point 623 of guiding groove 62
Difference in height on the axial direction of body 1 is exactly that rotating handle 3 generates the size that shifts up, and with this drive with handle 3 against
Spool 2 and the sealing ring 4 on spool 2 generate the identical displacement of upward size, make the water inlet of sealing ring 4 and valve body 1
Water inlet gap is formed between mouth 11, blowdown control valve 100 is able to conducting and opens.Blowdown control valve 100 is switched to close by open state
When closed state, motion profile of the bootstrap block 61 on guiding groove 62 and blowdown control valve 100 switch to open state from closed state
When motion profile of the bootstrap block 61 on guiding groove 62 motion profile on the contrary, repeating no more.
The spool 2 of the utility model embodiment blowdown control valve 100, as shown in fig. 7, outer diameter is slightly less than 1 water outlet of valve body
11 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
Water inlet gap between spool 2 increases the contaminant removal effectiveness of blowdown control valve 100, between avoiding in water dirt impurity from blocking the water inlet
Gap, spool 2 uses oblong channel, and is circumferentially uniformly opening 4 oblong channels 23,23 one end of oblong channel in spool 2
Concordant with plane on the hollow structure 22 of spool 2, the other end is concordant with plane on flange arrangement 21.The hollow structure of spool 2
22 are connected to the drainage hole 31 of handle 3, in order to prevent gap of the indoor sewage of 1 chamber of valve body between valve body 1 and handle 3
Outflow, can be set gasket 7, the outer wall and valve body of gasket 7 between handle 3 and valve body 1 or between handle 3 and spool 2
1 inner wall gluing, sealing, inner wall are bonded with the outer wall of handle 3；Alternatively, as shown in figure 4,7 outer wall of gasket and valve body 1 it is interior
Wall fitting, upper end are set as flange arrangement, and 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 utility model embodiment, 2 first end of spool is provided with circumferential first
Annular groove 24, the first annular groove 24 are solid construction, sealing among first annular groove 24 in the first end of spool 2
Circle 4 is circular symmetrical structure, is connected in the first annular groove 24 of spool 2, the water inlet 11 of valve body 1, and sealing ring 4 blocks
It connects in the first annular groove 24 of spool 2, sealing ring 4 is fixed on to the first end of spool 2, prevent sealing ring 4 with respect to spool 2
The displacement towards 12 direction of 11 direction of water inlet or water outlet of valve body 1 is generated, the leakproofness of blowdown control valve 100 is increased
Energy.
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, push with handle 3 against even
The spool 2 connect does the displacement of identical 11 side of water inlet towards valve body 1, generated between the first end and sealing ring 4 of spool 2 into
Water space, 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,
The spool 2 being connected with handle 3 generates the displacement towards 12 direction of water outlet of valve body 1, the first end and sealing of spool 2
Water inlet gap is closed between circle 4, blowdown control valve 100 is closed.
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 utility model embodiment additionally provides a kind of water heater, as shown in figure 9, include sewage draining exit 200,
Sewage draining exit 200 is equipped with above-mentioned blowdown control valve 100.
The water heater of the utility model embodiment is not influencing water heater due to being provided with above-mentioned blowdown control valve 100
Under the premise of normal use and pollution discharge capability, structure is simpler, and sealing performance is more preferable, is not easy to get rusty, and operates 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 the specific embodiments of the utility model, and but protection scope of the utility model is not limited thereto,
Anyone skilled in the art within the technical scope disclosed by the utility model, the variation that can readily occur in or replaces
It changes, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with claim
Subject to protection scope.
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 on the water inlet of the valve body 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 |
|---|---|---|---|
| CN201821921119.2U CN209146446U (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 |
|---|---|---|---|
| CN201821921119.2U CN209146446U (en) | 2018-11-21 | 2018-11-21 | A kind of blowdown control valve and water heater |
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| Publication Number | Publication Date |
|---|---|
| CN209146446U true CN209146446U (en) | 2019-07-23 |
Family
ID=67286781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821921119.2U Active CN209146446U (en) | 2018-11-21 | 2018-11-21 | A kind of blowdown control valve and water heater |
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| Country | Link |
|---|---|
| CN (1) | CN209146446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578653A (en) * | 2018-11-21 | 2019-04-05 | 海信(广东)厨卫系统有限公司 | A kind of blowdown control valve and water heater |
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2018
- 2018-11-21 CN CN201821921119.2U patent/CN209146446U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578653A (en) * | 2018-11-21 | 2019-04-05 | 海信(广东)厨卫系统有限公司 | A kind of blowdown control valve and water heater |
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