CN207796227U - Reversal valve and water purifier - Google Patents
Reversal valve and water purifier Download PDFInfo
- Publication number
- CN207796227U CN207796227U CN201820130653.5U CN201820130653U CN207796227U CN 207796227 U CN207796227 U CN 207796227U CN 201820130653 U CN201820130653 U CN 201820130653U CN 207796227 U CN207796227 U CN 207796227U
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- Prior art keywords
- chamber
- spool
- reversal valve
- central lumen
- motor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
- Multiple-Way Valves (AREA)
Abstract
The utility model provides a kind of reversal valve and water purifier, is related to the technical field of purifier, reversal valve provided by the utility model includes：Valve body, spool and spool drive component, valve body is equipped with central lumen, spool is set to central chamber, spool drive component includes motor and lead screw, and motor is connect with screw rod transmission, lead screw and spool screw-thread fit, valve body is equipped with rotation stop part, rotation stop part prevents spool from lead screw being followed to rotate, and motor drives spool to be moved in central chamber by lead screw, so that corresponding chamber or disconnection.Reversal valve provided by the utility model eliminates the water hammer that spool is generated in commutation in the prior art, to solve the technical issues of being damaged to water purifier pipeline and filter medium.
Description
Technical field
The utility model is related to purifier technical fields, more particularly, to a kind of reversal valve and water purifier.
Background technology
Reversal valve is the automatic foundamental element for controlling fluid, belongs to actuator, and different circuits can be coordinated
Realize expected control.There are many kinds of reversal valves, and different reversal valves plays a role in the different location of control system, the most frequently used
Be check valve, safety valve, directional control valve and speed-regulating valve etc..
There is closed chamber in reversal valve, through-hole is offered in different location, each through-hole connects external different pipeline,
Spool is equipped among chamber, end face is equipped with electromagnet, and after magnet coil is powered, the dynamic iron core in fixed core is subjected to displacement, therewith
Drive mandril, mandril that the spool in valve body is pushed to generate displacement, the spool in valve body moves to be turned on and off different chambers,
And feed liquor chamber is normally opened.Solenoid valve is divided into three categories from principle：Direct-acting electromagnetic valve, step direct-acting type electromagnetic valve, elder generation
Guide electromagnetic valve.
When existing reversal valve work quickly due to the rate of valve core movement, it surges so spool will produce in commutation,
It is exactly water hammer to be directed to water purifier, and water hammer will damage the pipeline of water purifier and filter medium.
Utility model content
The purpose of this utility model is to provide a kind of reversal valves, and water is generated in commutation to alleviate spool in the prior art
Hammer, thus the technical issues of being damaged to water purifier pipeline and filter medium.
Reversal valve provided by the utility model includes：Valve body, spool and spool drive component, the valve body are equipped with center
Chamber, the spool are set to the central chamber, the side of the central lumen be equipped with successively first chamber, second chamber and
Third chamber, the first chamber, the second chamber and the third chamber are connected to the central lumen；The center
The other side of chamber is equipped with interconnected the 4th chamber and the 5th chamber, and the 4th chamber and the 5th chamber are and institute
State central lumen connection；
The spool drive component includes motor and lead screw, and the motor is connect with the screw rod transmission, the lead screw with
The spool screw-thread fit, the valve body are equipped with rotation stop part, and the rotation stop part prevents the spool from the lead screw being followed to rotate,
The motor drives the spool to be moved in the central chamber by the lead screw, so that corresponding chamber or disconnected
It opens.
Further, the rotation stop part includes rotation stopping screw, and the spool is equipped with rotation stop groove, rotation stop groove edge
The length direction of the spool extends；
The rotation stopping screw coordinates with the valve body screw thread, and one end is located in the rotation stop groove.
Further, the spool has the first resistive portion, the second resistive portion and the third resistive portion set gradually；
First resistive portion is located at side of the first chamber far from the second chamber, third choked flow position
In the side of the third chamber far from the second chamber, second resistive portion is opposite with the second chamber, and described
The axial cross section of two resistive portions is in H-type, to increase the diversion space of the second chamber.
Further, the spool is equipped with deflector hole, and the deflector hole is used to be connected to the both ends of the central lumen.
Further, the one end of the central lumen far from the motor is equipped with the first diversion trench, first diversion trench
With the 4th chamber and the 5th chamber.
Further, the central lumen is equipped with the second diversion trench, second diversion trench close to one end of the motor
With the 4th chamber and the 5th chamber.
Further, the inner wall of the central lumen is equipped with sealing ring, and the peripheral surface of the sealing ring and the spool connects
It touches, to improve the leakproofness of the reversal valve.
Further, connecting chamber, the connecting chamber difference are equipped between the 4th chamber and the 5th chamber
With the 4th chamber and the 5th chamber.
Further, the valve body is equipped with motor cabinet, and the motor is fixedly connected on the valve by the motor cabinet
Body.
Further, the valve body and the spool are made of the material for meeting sanitary standard of paddling.
The another object of the utility model is to provide a kind of water purifier, and the spool to alleviate reversal valve in the prior art exists
Water hammer is generated when commutation, thus the technical issues of being damaged to water purifier pipeline and filter medium.
Water purifier provided by the utility model includes above-mentioned reversal valve.
Reversal valve and water purifier provided by the utility model, reversal valve include：Valve body, spool and spool drive component, valve
Body is equipped with central lumen, and spool is set to central chamber, the side of central lumen be equipped with successively first chamber, second chamber and
Third chamber, first chamber, second chamber and third chamber are connected to central lumen；The other side of central lumen is equipped with mutual
The 4th chamber and the 5th chamber of connection, the 4th chamber and the 5th chamber are connected to central lumen；Spool drive component includes
Motor and lead screw, motor are connect with screw rod transmission, and lead screw and spool screw-thread fit, valve body are equipped with rotation stop part, and rotation stop part prevents
Spool follows lead screw to rotate, and motor drives spool to be moved in central chamber by lead screw, so that corresponding chamber or disconnected
It opens.Reversal valve provided by the utility model is applied in transfer pipeline, first chamber, second chamber, third chamber, the 4th chamber
Room and the 5th chamber can be connected to corresponding pipeline, when needing to change the mode of communicating of multiple chambers, motor drive lead screw around
The axis of lead screw rotates forward or reversion, and rotation stop part prevents lead screw from driving valve core rotation, to make lead screw drive spool in center cavity
Interior slow movement, changes the mode of communicating of multiple chambers；The mode that motor-driven valve core is moved in central chamber can pass through control
The rotating speed of motor processed controls movement velocity of the spool in center cavity, keeps spool slowly slow mobile in center cavity, prevents
It generates water hammer and pipeline and filter medium is damaged.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the first state schematic diagram for the reversal valve that the utility model embodiment provides；
Fig. 2 is the second status diagram of the reversal valve that the utility model embodiment provides；
Fig. 3 is the third state schematic diagram for the reversal valve that the utility model embodiment provides；
Fig. 4 is the cooperation schematic diagram of the rotation stopping screw and spool for the reversal valve that the utility model embodiment provides.
Icon：100- valve bodies；110- first chambers；120- second chambers；130- third chambers；The 4th chambers of 140-
Room；The 5th chambers of 150-；160- central lumens；The first diversion trenches of 161-；The second diversion trenches of 162-；163- sealing rings；
170- connecting chambers；180- motor cabinets；190- pressing plates；200- spools；The first resistive portions of 210-；The second choked flows of 220-
Portion；230- third resistive portions；240- deflector holes；300- spool drive components；310- motors；320- lead screws；330- stops
Turn screw.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
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；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Embodiment one
Fig. 1 is the first state schematic diagram for the reversal valve that the utility model embodiment provides, and Fig. 2 is implemented for the utility model
Second status diagram of the reversal valve that example provides, Fig. 3 are that the third state for the reversal valve that the utility model embodiment provides is shown
It is intended to, as shown in Figure 1 to Figure 3, the reversal valve that the utility model embodiment provides includes：Valve body 100, spool 200 and spool drive
Dynamic component 300, valve body 100 are equipped with central lumen 160, and spool 200 is set in central lumen 160, the side of central lumen 160
It is equipped with first chamber 110, second chamber 120 and third chamber 130, first chamber 110, second chamber 120 and third chamber successively
Room 130 is connected to central lumen 160；The other side of central lumen 160 is equipped with interconnected the 4th chamber 140 and the 5th chamber
Room 150, the 4th chamber 140 and the 5th chamber 150 are connected to central lumen 160；Spool drive component 300 includes motor 310
With lead screw 320, motor 310 is sequentially connected with lead screw 320, and lead screw 320 and 200 screw-thread fit of spool, valve body 100 are equipped with rotation stop
Part, rotation stop part prevent spool 200 from lead screw 320 being followed to rotate, and motor 310 drives spool 200 in central lumen by lead screw 320
It is moved in 160, so that corresponding chamber or disconnection.
Specifically, as shown in Figure 1, when spool 200 is located at middle position, first chamber 110, second chamber 120, third chamber
130, the 4th chamber 140 and the 5th chamber 150 are interconnected；As shown in Fig. 2, spool 200 moves right, first chamber 110 with
Second chamber 120 is connected to, and third chamber 130 is connected to the 5th chamber 150；As shown in figure 3, spool 200 is moved to the left, the first chamber
Room 110 and the 4th chamber 140 are connected, and second chamber 120 is connected with third chamber 130.
Further, rotation stop part includes rotation stopping screw 330, and spool 200 is equipped with rotation stop groove, and rotation stop groove is along spool
200 length direction extends；Rotation stopping screw 330 and 100 screw-thread fit of valve body, and one end is located in rotation stop groove.
As shown in figure 4, the axis direction of rotation stopping screw 330 is vertical with the axis direction of spool 200, valve body 100 is equipped with
The tapped through hole coordinated with rotation stopping screw 330, screw stretches into across tapped through hole in the rotation stop groove on spool 200, screw and
The side wall of rotation stop groove contacts.
Motor 310 drives the axis rotation of 320 wire winding rod 320 of lead screw, rotation stopping screw 330 to prevent lead screw 320 with movable valve plug
200 rotations make corresponding chamber or disconnection to make lead screw 320 drive the movement in central lumen 160 of spool 200.
Further, spool 200 has the first resistive portion 210, the second resistive portion 220 and the third resistive portion set gradually
230；First resistive portion 210 is located at side of the first chamber 110 far from second chamber 120, and third resistive portion 230 is located at third chamber
Side of the room 130 far from second chamber 120, the second resistive portion 220 is opposite with second chamber 120, the axial direction of the second resistive portion 220
Section is in H-type, to increase the diversion space of second chamber 120.
Specifically, the periphery of the first resistive portion 210, the second resistive portion 220 and third resistive portion 230 is and central lumen
160 inner wall contact, as shown in Figure 1 to Figure 3, first chamber 110, second chamber 120 and third chamber 130, with the 4th chamber
140 and the 5th space between chamber 150 it is opposite, the first resistive portion 210 is located at the left side of first chamber 110, third resistive portion
230 are located at the right side of third chamber 130, and the second resistive portion 220 is opposite with second chamber 120.
When spool 200 is located at middle position, the first resistive portion 210 be located at the left side of first chamber 110 and with the 4th chamber 140
Relatively, third resistive portion 230 is located at the right side of third chamber 130 and opposite with the 5th chamber 150；When spool 200 moves right
When, the first resistive portion 210 makes first chamber 110 and the 4th chamber 140 disconnect, and the second resistive portion 220 makes second chamber 120 and the
Three chambers 130 and the 5th chamber 150 disconnect, and first chamber 110 is connected to second chamber 120, and third resistive portion 230 is located at the 5th
The right side of chamber 150, third chamber 130 are connected to the 5th chamber 150；When spool 200 is moved to the left, third resistive portion 230
Third chamber 130 and the 5th chamber 150 are disconnected, the second resistive portion 220 makes second chamber 120 and first chamber 110 and the 4th
Chamber 140 disconnects, and second chamber 120 is connected to third chamber 130, and the first resistive portion 210 is located at the left side of the 4th chamber 140,
To make first chamber 110 be connected to the 4th chamber 140.
Second resistive portion 220 is opposite with second chamber 120 always, and the axial cross section of the second resistive portion 220 is in H-type, is reduced
The volume of second resistive portion 220, to increase the diversion space of second chamber 120.
Further, spool 200 is equipped with deflector hole 240, and deflector hole 240 is used to be connected to the both ends of central lumen 160.
As shown in Figure 1 to Figure 3, deflector hole 240 includes the first diversion section and the second water conservancy diversion end, and the first diversion section is set to spool
200 middle part, and extend along the axis direction of spool 200, the center of one end and 230 right side of third resistive portion of the first diversion section
Chamber 160 is connected to, and the other end is located at the inside of spool 200 and extends to the left side of the first resistive portion 210；Second diversion section is located at
The left side of first resistive portion 210, and be connected to the first diversion section, the radial line side of the axis direction and spool 200 of the second diversion section
To identical；First diversion section and the second diversion section make the both ends of central lumen 160 be connected to.
When spool 200 moves downward, the pressure of 160 left end liquid of central lumen increases, and the liquid of left end passes through deflector hole
240 flow to the right end of central lumen 160, reduce the resistance that spool 200 moves；When spool 200 moves right, central lumen
The pressure of 160 right ends increases, and the liquid of right end flows to the left end of central lumen 160 by deflector hole 240, reduces spool 200
Mobile resistance, to reduce the energy of the driving movement consumption of spool 200.
Further, the one end of central lumen 160 far from motor 310 is equipped with the first diversion trench 161, the first diversion trench 161
It is connected to the 4th chamber 140 and the 5th chamber 150.
As shown in Figure 1 to Figure 3, the first diversion trench 161 is set to the right end of central lumen 160, the first diversion trench 161 and the 4th
Chamber 140 is connected to the 5th chamber 150, and during spool 200 moves right, the liquid of 160 right end of central lumen can lead to
It crosses the first diversion trench 161 and flows to the 4th chamber 140 and the 5th chamber 150, prevent from forming back pressure in central lumen 160, from subtracting
The driving force that small driving spool 200 moves.
Further, central lumen 160 is equipped with the second diversion trench 162, the second diversion trench 162 close to one end of motor 310
It is connected to the 4th chamber 140 and the 5th chamber 150.
As shown in Figure 1 to Figure 3, the second diversion trench 162 is set to the left end of central lumen 160, the second diversion trench 162 and the 4th
Chamber 140 is connected to the 5th chamber 150, and during spool 200 is moved to the left, the liquid of 160 left end of central lumen can lead to
It crosses the second diversion trench 162 and flows to the 4th chamber 140 and the 5th chamber 150, prevent from forming back pressure in central lumen 160, from subtracting
The driving force that small driving spool 200 moves.
Further, the inner wall of central lumen 160 is equipped with sealing ring 163, and sealing ring 163 and the peripheral surface of spool 200 connect
It touches, to improve the leakproofness of reversal valve.
As shown in Figure 1 to Figure 3, the groove there are two being set on the inner wall of central lumen 160 for placing sealing ring 163, two
A groove is distributed along the axis direction of central lumen 160；Be all provided in each groove there are one sealing ring 163, sealing ring 163 it is interior
The circumference contact in portion and spool 200, plays sealing function.
Further, connecting chamber 170 is equipped between the 4th chamber 140 and the 5th chamber 150, connecting chamber 170 is distinguished
It is connected to the 4th chamber 140 and the 5th chamber 150.
As shown in Figure 1 to Figure 3, the axis of connecting chamber 170 is parallel with the axis of central lumen 160, connecting chamber 170
One end is connected to the 4th chamber 140, the other end is connected to the 5th chamber 150, to make the 4th chamber 140 and the 5th chamber 150
Connection.
Further, valve body 100 is equipped with motor cabinet 180, and motor 310 is fixedly connected on valve body by motor cabinet 180
100。
Specifically, motor cabinet 180 is fixedly connected on the left end of valve body 100 by screw, motor 310 is fixedly connected on motor
Seat 180；Motor cabinet 180 is equipped with through-hole, and the left end and lead screw 320 of spool 200 are respectively positioned in the through-hole on motor cabinet 180, valve
The periphery of core 200 is contacted with the inner wall of the through-hole, and guiding role is played to the movement of spool 200.
Further, the right end of valve body 100 is equipped with pressing plate 190, and pressing plate 190 is fixedly connected on valve body 100 by screw
Right end closes central lumen 160, and sealing ring 163 is equipped between pressing plate 190 and valve body 100, plays sealing function.
Further, valve body 100 and spool 200 are made of the material for meeting sanitary standard of paddling.
The reversal valve that can be purchased currently on the market is nearly all used for hydraulic device, and medium is hydraulic oil, is not prevented
Performance indicator of becoming rusty requirement, therefore its valve body 100 is all made of cast iron, the dynamic iron core of electromagnet uses electrical pure iron, fixed core also to use
Magnetizer steel, these materials not antirust do not meet national correlation and paddle part sanitary standard.The utility model embodiment provides
Reversal valve valve body 100 and spool 200 can be made of food-grade stainless steel, food-grade engineering plastics and ceramic material etc., prevent
Only valve body 100 and spool 200 get rusty.
The reversal valve and water purifier that the utility model embodiment provides, reversal valve include：Valve body 100, spool 200 and spool
Drive component 300, valve body 100 are equipped with central lumen 160, and spool 200 is set in central lumen 160, and the one of central lumen 160
Side is equipped with first chamber 110, second chamber 120 and third chamber 130, first chamber 110, second chamber 120 and third successively
Chamber 130 is connected to central lumen 160；The other side of central lumen 160 is equipped with the 4th interconnected chamber 140 and the 5th
Chamber 150, the 4th chamber 140 and the 5th chamber 150 are connected to central lumen 160；Spool drive component 300 includes motor
310 and lead screw 320, motor 310 is sequentially connected with lead screw 320, and lead screw 320 and 200 screw-thread fit of spool, valve body 100 are equipped with
Rotation stop part, rotation stop part prevent spool 200 from lead screw 320 being followed to rotate, and motor 310 drives spool 200 in center cavity by lead screw 320
It is moved in room 160, so that corresponding chamber or disconnection.The reversal valve that the utility model embodiment is provided is applied to conveying
In pipeline, first chamber 110, second chamber 120, third chamber 130, the 4th chamber 140 and the 5th chamber 150 can with it is corresponding
Pipeline is connected to, and when needing to change the mode of communicating of multiple chambers, motor 310 drives the axis of 320 wire winding rod 320 of lead screw to rotate forward
Or reversion, rotation stop part prevent lead screw 320 from being rotated with movable valve plug 200, to make lead screw 320 drive spool 200 in center cavity
It is mobile, change the mode of communicating of multiple chambers；Motor 310 drives the mode that spool 200 moves in central lumen 160, can lead to
The rotating speed of control motor 310 is crossed to control movement velocity of the spool 200 in center cavity, keeps spool 200 slow in center cavity
It is mobile, it prevents water hammer and pipeline and filter medium is damaged.
Embodiment two
The present embodiment two is designed to provide a kind of water purifier, and the spool 200 to eliminate reversal valve in the prior art exists
Water hammer is generated when commutation, thus the technical issues of being damaged to water purifier pipeline and filter medium.
The water purifier that the utility model embodiment provides includes above-mentioned reversal valve.
Specifically, water purifier further includes more pipelines, and every pipeline chamber corresponding on reversal valve, spool 200
It is moved in central lumen 160, makes corresponding pipeline connection or disconnection, change the flow direction of water in water purifier.
The reversal valve and water purifier that the utility model embodiment provides, reversal valve include：Valve body 100, spool 200 and spool
Drive component 300, valve body 100 are equipped with central lumen 160, and spool 200 is set in central lumen 160, and the one of central lumen 160
Side is equipped with first chamber 110, second chamber 120 and third chamber 130, first chamber 110, second chamber 120 and third successively
Chamber 130 is connected to central lumen 160；The other side of central lumen 160 is equipped with the 4th interconnected chamber 140 and the 5th
Chamber 150, the 4th chamber 140 and the 5th chamber 150 are connected to central lumen 160；Spool drive component 300 includes motor
310 and lead screw 320, motor 310 is sequentially connected with lead screw 320, and lead screw 320 and 200 screw-thread fit of spool, valve body 100 are equipped with
Rotation stop part, rotation stop part prevent spool 200 from lead screw 320 being followed to rotate, and motor 310 drives spool 200 in center cavity by lead screw 320
It is moved in room 160, so that corresponding chamber or disconnection.The reversal valve that the utility model embodiment is provided is applied to conveying
In pipeline, first chamber 110, second chamber 120, third chamber 130, the 4th chamber 140 and the 5th chamber 150 can with it is corresponding
Pipeline is connected to, and when needing to change the mode of communicating of multiple chambers, motor 310 drives the axis of 320 wire winding rod 320 of lead screw to rotate forward
Or reversion, rotation stop part prevent lead screw 320 from being rotated with movable valve plug 200, to make lead screw 320 drive spool 200 in center cavity
It is slow mobile, change the mode of communicating of multiple chambers；Motor 310 drives the mode that spool 200 moves in central lumen 160,
Movement velocity of the spool 200 in center cavity can be controlled by controlling the rotating speed of motor 310, make spool 200 in center cavity
It is slow mobile, it prevents water hammer and pipeline and filter medium is damaged.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of reversal valve, which is characterized in that including：Valve body, spool and spool drive component, the valve body are equipped with center cavity
Room, the spool are set to the central chamber, and the side of the central lumen is equipped with first chamber, second chamber and the successively
Three chambers, the first chamber, the second chamber and the third chamber are connected to the central lumen；The center cavity
The other side of room is equipped with interconnected the 4th chamber and the 5th chamber, the 4th chamber and the 5th chamber with it is described
Central lumen is connected to；
The spool drive component includes motor and lead screw, and the motor is connect with the screw rod transmission, the lead screw with it is described
Spool screw-thread fit, the valve body are equipped with rotation stop part, and the rotation stop part prevents the spool from the lead screw being followed to rotate, described
Motor drives the spool to be moved in the central chamber by the lead screw, so that corresponding chamber or disconnection.
2. reversal valve according to claim 1, which is characterized in that the rotation stop part includes rotation stopping screw, on the spool
Equipped with rotation stop groove, the rotation stop groove extends along the length direction of the spool；
The rotation stopping screw coordinates with the valve body screw thread, and one end is located in the rotation stop groove.
3. reversal valve according to claim 1, which is characterized in that the spool have set gradually the first resistive portion,
Second resistive portion and third resistive portion；
First resistive portion is located at side of the first chamber far from the second chamber, and the third resistive portion is located at institute
Side of the third chamber far from the second chamber is stated, second resistive portion is opposite with the second chamber, second resistance
The axial cross section in stream portion is in H-type, to increase the diversion space of the second chamber.
4. reversal valve according to claim 3, which is characterized in that the spool is equipped with deflector hole, and the deflector hole is used
In the both ends for being connected to the central lumen.
5. reversal valve according to claim 4, which is characterized in that the one end of the central lumen far from the motor is equipped with
First diversion trench, first diversion trench and the 4th chamber and the 5th chamber.
6. reversal valve according to claim 5, which is characterized in that the central lumen is equipped with close to one end of the motor
Second diversion trench, second diversion trench and the 4th chamber and the 5th chamber.
7. reversal valve according to claim 6, which is characterized in that the inner wall of the central lumen is equipped with sealing ring, described
Sealing ring is contacted with the peripheral surface of the spool, to improve the leakproofness of the reversal valve.
8. reversal valve according to claim 1, which is characterized in that the valve body is equipped with motor cabinet, and the motor passes through
The motor cabinet is fixedly connected on the valve body.
9. reversal valve according to claim 1, which is characterized in that the valve body and the spool are by meeting health of paddling
The material of standard is made.
10. a kind of water purifier, which is characterized in that including such as claim 1-9 any one of them reversal valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820130653.5U CN207796227U (en) | 2018-01-25 | 2018-01-25 | Reversal valve and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820130653.5U CN207796227U (en) | 2018-01-25 | 2018-01-25 | Reversal valve and water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207796227U true CN207796227U (en) | 2018-08-31 |
Family
ID=63269499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820130653.5U Expired - Fee Related CN207796227U (en) | 2018-01-25 | 2018-01-25 | Reversal valve and water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207796227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050289A (en) * | 2018-01-25 | 2018-05-18 | 杭州圣渥科技有限公司 | Reversal valve and water purifier |
-
2018
- 2018-01-25 CN CN201820130653.5U patent/CN207796227U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050289A (en) * | 2018-01-25 | 2018-05-18 | 杭州圣渥科技有限公司 | Reversal valve and water purifier |
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