CN208204057U - Volume control device - Google Patents
Volume control device Download PDFInfo
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- CN208204057U CN208204057U CN201721195656.9U CN201721195656U CN208204057U CN 208204057 U CN208204057 U CN 208204057U CN 201721195656 U CN201721195656 U CN 201721195656U CN 208204057 U CN208204057 U CN 208204057U
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Abstract
A kind of volume control device for heat-exchange system, it includes movable valve member, driving member and elastic component, movable valve member rotates in the installation cavity relative to second contact portion, first communicating passage set by the valve body can be connected to the first flowing valve mouth and the second flowing valve mouth, be in contact between first contact portion and second contact portion and form sealed set;Movable valve member moves back and forth between the first operating position and the second operating position, when wherein movable valve member is located at the first operating position, and first communicating passage can be connected to the first flowing valve mouth and the second flowing valve mouth, the dynamic sealing performance for promoting movable valve member and matching part, it is opposite to reduce working media internal leakage, the inner sealing performance of volume control device can be improved.
Description
Technical field
The utility model relates to the volume control devices of field of heat exchange.
Background technique
Comprising coolant circulation system in some heat management systems in background technique, by thermoconverter, power electronic, drive
Dynamic motor, onboard charger, water storage bottle, electric water pump cooling water tank high-temperature region, high pressure PTC, air conditioner heat radiator composition, can also adopt
It is connected by circulation with some commutation elements by pipeline, come the flow direction for switching coolant liquid;For example hybrid vehicle is also usual
Increase PTC heating device to make up the deficiency of engine exhaust heat, may need to switch coolant liquid at this time and lead to PTC heating dress
It sets, during switching PTC heating device, it is also desirable to switch coolant liquid flow direction using reversal valve.
Coolant liquid reversing arrangement has very extensive application in hybrid power and pure electric automobile industry at present, however
After reversing arrangement is used for a long time, the sealing performance of cooling liquid flowing channel may form interior leakage since components loosen.
Utility model content
The purpose of this utility model is to provide the volume control devices that one kind can improve inner sealing performance.
To achieve the above object, the utility model volume control device adopts the following technical scheme that a kind of flow control dress
It sets, including shell and the first valve member, the shell includes installation cavity, the first flowing valve mouth, the second flowing valve mouth, this is first-class
Port valve mouth, the second flowing valve mouth are respectively positioned on the bottom of the shell, and include towards side, the shell where first valve member
The intake channel being connected to the first flowing valve mouth, the exit passageway being connected to the second flowing valve mouth;First valve
Part includes valve body, and the bottom side of the valve body forms the first contact portion, which has smooth contact surface;The flow
Control device is also formed with the second contact portion, and second contact portion top side has smooth contact surface, and second contact portion is extremely
Few radial side around the circulation valve port, first valve member is in the installation cavity relative to second contact portion
It rotating, the first communicating passage set by the valve body can be connected to the first flowing valve mouth and the second flowing valve mouth,
It is in contact between the smooth contact surface of first contact portion and the smooth contact surface of second contact portion and forms sealed set;
First valve member moves back and forth between the first operating position and the second operating position, wherein first valve member is located at first
When operating position, first communicating passage can be connected to the first flowing valve mouth and the second flowing valve mouth.
The utility model is rotated in installation cavity relative to the second contact portion by the first valve member, set by the valve body
First communicating passage can be connected to the first flowing valve mouth and the second flowing valve mouth, wherein the first contact portion and this second
It is in contact between contact portion and forms sealed set, promote the first valve member and the dynamic sealing performance that matches part, opposite reduction
Working media internal leakage can improve the inner sealing performance of the volume control device.
Detailed description of the invention
Fig. 1 is a kind of Three-dimensional combination diagram of embodiment of the application volume control device;
Fig. 2 is the part isometric decomposition diagram of volume control device shown in Fig. 1, and schematically shows that flow control fills
The assembled relation of the valve component and control unit set;
Fig. 3 is the part isometric decomposition diagram of the valve component of volume control device shown in Fig. 2, and schematically shows
The assembled relation of other component in lid and valve component;
Fig. 4 be valve component shown in Fig. 3 lid other than other component schematic top plan view;
Fig. 5 is a kind of schematic cross-sectional view of volume control device shown in Fig. 1 along the vertical direction;
Fig. 6 is a part of volume control device schematic cross-sectional view shown in Fig. 5;
Fig. 7 is the elevational schematic view of the movable valve member of volume control device shown in Fig. 5;
Fig. 8 be valve component shown in Fig. 4 lid other than other component perspective exploded view;
Fig. 9 is the stereoscopic schematic diagram of the movable valve member of volume control device shown in Fig. 7;
Figure 10 is the movable valve member of volume control device shown in Fig. 3 and the stereoscopic schematic diagram that driving member is combined;
Figure 11 is the stereoscopic schematic diagram of another angle of lid of volume control device shown in Fig. 3;
Figure 12 is the part isometric decomposition diagram of the valve component of volume control device shown in Figure 10.
Specific embodiment
It please refers to shown in Fig. 1 to Fig. 5, the volume control device 100 can be applied to heat-exchange system, such as domestic air conditioning system
System or air conditioning system for vehicle etc., the circulation medium that specifically volume control device is controlled can for water, other liquid with
The mixing liquid of water or other cooling liquid with the capacity of heat transmission, the volume control device are set to air conditioning system for vehicle
On the connecting line of circuit or coolant circuit, the distribution of volume control device control circulation medium simultaneously makes circulation medium and heat exchange
Other working medias of system carry out heat exchange, then the media outlet flow by adjusting the distribution volume control device to control
The circulation medium of heat-exchange system flow path processed is able to ascend the control performance for optimizing the heat-exchange system flow path.
The volume control device 100 can be used in the new-energy automotive air-conditioning such as cooling of Heating,Ventilating and Air Conditioning, battery or battery
Heating system is used, and by the setting of the volume control device multi-pass structure, which will be from same import
Working media is proportionally assigned to different outlets, and the volume control device can be located at two or more heat-exchange system circuits,
The heat-exchange system can be cooperated to carry out flow path switching, and can be realized the working media flow proportional of heat-exchange system difference flow path
Distribution.
The volume control device 100 includes shell 1, movable valve member 21, driving member 22 and control unit 3, wherein shell
1, movable valve member 21, driving member 22 form the valve component with the assembling of control unit split-phase and the relatively fixed setting of realization, and shell 1 has
There is the circulation valve port of installation cavity 110, at least two, shell 1 includes distribution body 11, lid 12, distribution body 11 and the lid
The assembling of 12 phases, specifically the two, which is connected through a screw thread, carries out assembling fixation, and distribution body 11 and lid 12 form above-mentioned installation
There are installation communication port in chamber, 110 one end of installation cavity, and specifically can define installation communication port is distribution body upper port, movable valve
Part 2 is put into the installation cavity 110 from the installation communication port, which is movably arranged in installation cavity 110;Specifically shell
1 has the first flowing valve mouth 101, the second flowing valve mouth 102, and shell 1 includes the intake channel being connected to the first flowing valve mouth 101
1001, the exit passageway 1002 being connected to the second flowing valve mouth 102, the pipeline of the other component for being connected to heat-exchange system, two
A circulation valve port can be symmetricly set on bottom side position in shell, or the center eccentric setting relative to shell;
Specifically volume control device 100 forms four circulations valve ports, respectively first for being located at the installation cavity bottom
Circulate valve port 101, the second flowing valve mouth 102, the third circulation circulation valve port 104 of valve port the 103, the 4th, four circulations valve port
Setting is connected to installation cavity 110, and towards 21 place side communication port of movable valve member, this four circulation valve ports can be with movable valve member
Circulation passage connection;Correspondingly shell include four connecting lines: the first intake channel 1001, first outlet channel 1002,
Second intake channel 1003, second outlet channel 1004, relative to the center of housing bottom, four circulation valve ports 101~104 with
Central symmetry mode is arranged in bottom side position in shell, in other embodiments, above-mentioned circulation valve port can also asymmetric arrangement exist
Bottom side position in shell is designed according to the arrangement in above-mentioned inlet and outlet channel, and the circulation valve port of the symmetrical setting of two of them can
Circulation valve port as import, other two symmetrical setting can be used as outlet, i.e., relative to the center of housing bottom, phase
A conduct import, another conduct outlet, each import are connected to from different egress selections in two adjacent circulation valve ports, than
The first intake channel such as can be connected to first outlet channel or second outlet channel by the way that two adjacent circulation valve ports are connected, and led to
It crosses and adjacent another two circulation valve port is connected can be connected to the second intake channel to second outlet channel or first outlet channel.
It please refers to shown in Fig. 5, Fig. 6, movable valve member 21 includes valve body 210, and the valve body at least integrally formed first connects
Circulation passage 211, the first contact portion 212, specifically the movable valve member is Ceramic valve piece or metal valve member, the bottom side of valve body 210
Integrally formed first contact portion 212, defined herein valve body 210 towards the side of housing bottom be bottom side or downside, it is relatively another
Side is top side or upside, and the up and down direction (i.e. vertical direction V1) of volume control device determines therefrom;Correspond to first
Contact portion 212, volume control device 100 further include the second contact portion 111 being oppositely arranged with first contact portion, the second contact
Portion 111 can at least be formed in the inner bottom wall 112 of shell 1, and be located at the bottom section of the close inner bottom wall of installation cavity 110, herein
The inner bottom wall of front and back meaning shell be defined as bottom side wall site of the shell in installation cavity set or close to bottom side partial sidewall,
The bottom side of first contact portion 212 has the first smooth contact surface 2120, and the top side of the second contact portion 111 has the second smooth contact
Shell bottom wall is exposed in face 1110, at least smooth contact surface, so that the first contact portion 212 can be close with second contact portion 111
Contact further has preferable sealing effect between the two;Movable valve member 21 is in installation cavity 110 under the drive of driving member 22
It is rotated relative to the second contact portion, the second contact portion 111 is at least about in the radial side of each circulation valve port, the first contact portion
It is in contact between 212 and the second contact portion 111 and forms dynamic sealing setting, the first, second contact portion passes through the light being respectively arranged
It slips contacting surface and realizes close contact, such as the setting of close face contact, dynamic sealing performance between the two can be promoted, first connects
The surface roughness of the smooth contact surface of contact portion is greater than 0.03 μm and less than 0.5 μm and/or the smooth contact surface of the second contact portion
Surface roughness be greater than 0.03 μm and less than 0.5 μm, specifically surface roughness parameter is 0.03 μm optional, 0.05 μm, 0.07 μ
m、0.09μm、0.1μm、0.15μm、0.2μm、0.25μm、0.3μm、0.35μm、0.4μm、0.45μm、0.46μm、0.47μm、
0.48 μm, 0.5 μm, that is to say, that be greater than 0.03 μm less than 0.5 μm for surface roughness about smooth definition.
It please refers to shown in Fig. 4 to Fig. 8, further volume control device 100 further includes fixed valve member 23, the fixation valve member
23 assemble with 1 phase of shell, and the two carries out relatively fixed setting, which is Ceramic valve piece or metal valve member, wherein movably
For valve member 21 as the first valve member, fixed valve member 23 is used as the second valve member, and movable valve member 21 is movably arranged relative to fixed valve member 23,
The movable valve member 21 is affixed on the upper surface setting of fixed valve member 23 and moves back and forth in the circumferential;One can specifically be used
The inner bottom wall 112 of kind mode, fixed valve member 23 and shell, which is integrated, is embedded structure, between the bottom side and the shell of fixed valve member 23
It is structure as a whole, inner sealing better performances;Or another way is used, fixed valve member 23 is fixed with shell assembling, flow control
Device processed includes seal isolation portion 241, such as the sealing isolation layer that gasket seal or sealant are formed, and fixes valve member 23 and shell
Sealing structure is formed by the seal isolation portion 241, is specifically formed between the inner bottom wall 112 of shell and fixed valve member 23 quiet close
Seal structure, " static seal " both are defined as opposing stationary motionless state and sealed set, the static seal structure can be improved shell 1 with
Sealing effect between fixed valve member 23, as far as possible reduction coolant leak in gap between shell 1 and fixed valve member 23, are conducive to
Improve the inner sealing performance of volume control device;The inner bottom wall 112 of shell and/or all side walls 113 have been wholely set holding section
1121, the holding section and fixed 23 phase clamping of valve member can prevent fixed valve member in week so that the two is steadily fixedly installed relatively
Upward inordinate rotation transfers to influence flow control.
Above-mentioned 23 top section of fixed valve member or upper portion form above-mentioned second contact portion 111, in other embodiments
The second contact portion 111 can also be integrally formed by shell bottom wall, which forms described second
Smooth contact surface 1110, to be in close contact with the first smooth contact surface 2120 of 212 bottom side of the first contact portion.Fixed valve member 23
In installation cavity 110, the upside of fixed valve member 23 forms above-mentioned second contact portion 111, and exposes except inner bottom wall 112, and fixed
The inner bottom wall 112 of valve member 23 and shell forms at least two circulations valve port, a conduct import in this two circulation valve ports,
Another is as outlet, to be matched with movable valve member and both realize conducting or be not turned on, specifically the first flowing valve mouth
101 run through at least partly inner bottom wall of the fixation valve member 22 and shell, the first flowing valve mouth 101 and the first intake channel 1001
One end communication port is connected, and the second flowing valve mouth 102 runs through at least partly inner bottom wall 112 of the fixation valve member 23 and shell, should
Second flowing valve mouth 102 is connected with 1002 one end communication port of first outlet channel, and third circulates valve port 103 through the fixed valve
At least partly inner bottom wall of part and shell, third circulation valve port are connected with 1003 one end communication port of the second intake channel, the
Four circulation valve ports 104 run through at least partly inner bottom wall of the fixation valve member and shell, to be connected with second outlet channel 1004
It is logical;Context mention the definition of " relatively fixed setting " for both be integrally embedded it is fixed or between the two clearance fit and permit
Perhaps small shaking, the periphery side or both sides of edges for further fixing valve member 23 are symmetrically arranged with securing groove 230, securing groove
230 are clasped with 1121 phase of holding section, allow small gap, the inner circumferential side wall of fixed valve member 23 and shell 1 between the two
And/or circumferential position limiting structure is formed between inner bottom wall 112, so that fixed valve member and shell are relatively fixed, can be beneficial to prevent solid
Determine valve member to rotate displacement.
Volume control device 100 includes the gag lever post 13 of metallic rod shaped setting, and the fixed part 131 of the gag lever post one end is firm
It is fixed in the inner bottom wall 112 of shell, the limit end 132 of the other end protrudes out inner bottom wall 112, specifically gag lever post 13
In the center of four circulation 101,102,103,104 regions of valve port, to be limited to fixed valve member 23, favorably
In carrying out circumferential limit to fixed valve member, prevent fixed valve member eccentric in its circumferential or radial excessively play;Gag lever post 13
Fixed part 131 is fixed by 112 one of inner bottom wall of injection molding and shell, where the central axis of fixed valve member 23
Vertical direction V1, the end portion of gag lever post form fixation portions 131 and are inserted into the inner bottom wall 112 of shell, wherein fixed part
131 are fixedly connected with the inner bottom wall 112 of shell, which passes through the limit hole 231 in fixed 23 centre of valve member, the limit
Hole 231 and 13 clearance fit of gag lever post, the upper part of the gag lever post form above-mentioned limit end 132 and are inserted into movable valve member 21
Valve body middle section, the specific middle section form intermediate roof 2100, and correspondingly the intermediate roof 2100 has receiving limit
The limit end 132 of first slot 2101 of position end 132, first slot and gag lever post is clearance fit, is convenient for movable valve member 21
Smooth rotation, the inner bottom wall 112 of shell have the second slot 1122 of the fixed part 131 for accommodating the gag lever post end portion, and first
Slot 2101, the second slot 1122 and limit hole 231 are coaxial arrangement, and concentricity gap permission 0.05-0.15mm's is same between three
Axis degree deviation, for example, coaxiality deviation parameter be chosen as 0.05mm, 0.06mm, 0.07mm, 0.08mm, 0.09mm, 0.1mm,
0.11mm, 0.12mm, 0.13mm, 0.14mm, 0.15mm promote stabilization of the movable valve member relative to fixed valve member and housing into rotation
Performance.
In vertical direction V1 (i.e. aforementioned up and down direction) where the central axis of fixed valve member 23, the thickness of fixed valve member 23
Less than the one third of movable valve member 21, for example, fixed valve member 23 thickness be less than a quarter of movable valve member 21 to five/
In first-class numberical range, it is simplified to fix the structure of valve member 23 as far as possible, for example is valve block shape or valve disc shape or analogous shape, and
Movable valve member 21 need to design the conducting structure such as circulation passage, and the integral thickness of movable valve member is larger on vertical direction V1 can be more
Guarantee structural strength well.Valve body is at least integrally formed the first communicating passage 211 or valve body simultaneously in present embodiment
Form the first communicating passage 211, the second communicating passage 213, separating part 214, the first communicating passage 211, the second communicating passage 213
It sets to the concave from the first contact portion 212 of valve body 210, separating part 214 is located at first communicating passage and second company
Between circulation passage, the two is separated and is arranged, so that working media does not circulate between the first, second communicating passage, and first company
Circulation passage and second communicating passage are symmetrical arranged relative to the center of movable valve member bottom side, wherein the first communicating passage
211 the first communication port 2110 runs through 210 side of valve body, and the second communication port 2130 of the second communicating passage 213 may also extend through
210 side of valve body, and first, second communication port 2110,2130 towards housing bottom be arranged, so as to bottom side in shell
The circulation valve port of position setting is oppositely arranged, and the first contact portion 212 is located at above-mentioned first communication port 2110 and/or the second communication port
2130 radial side can promote movable valve member and connect in the contact surface region of the first, second communication port radial direction side with second
The sealing performance of contact portion reduces coolant or other working medias, along valve body thickness direction, the thickness of the first contact portion 212
Dimensional parameters can avoid the excessively thin caused valve body intensity deficiency of wall thickness, can prevent blocked up side wall simultaneously between 1mm~5mm
Portion and the oversized problem of bring, and can guarantee the sealing effect between the first contact portion and fixed valve member;Above-mentioned " shell bottom
Portion " is defined as forming the inside housing bottom region of installation cavity 110, not hull outside bottom wall, specifically this first,
Two communication ports can be arranged towards fixed 23 place side of valve member, and each communication port can be with two neighboring circulation valve port selectivity
Alignment, to be connected to the two neighboring circulation valve port, so that the liquid medium or gas-liquid mixed media between inlet and outlet channel be connected
Circulation;Movable valve member 21 rotates in installation cavity 110 relative to the second contact portion under the drive of driving member 22, the first communicating passage
211 can be connected to the valve body switching truncation first of the first flowing valve mouth 101 and the second flowing valve mouth 102 or movable valve member
The circulation circulated between valve port 101 and the second flowing valve mouth 102, further second communicating passage 213 can be connected to third circulation
Third circulation valve port 103 and the 4th circulation can be truncated in the separating part of valve port 103 and the 4th circulation valve port 104 or valve body
Circulation between valve port 104.Above-mentioned first communication port 2110, the second communication port 2130 can be to open towards side where shell bottom wall
If an open communication mouth, the open communication mouth be aligned the first flowing valve mouth, the second flowing valve mouth can be connected to this two
A circulation valve port is opposite to reduce working media stream even if having communication port and the first, second circulation valve port alignment accuracy lower
Dynamic resistance;Another connection mouth structure also may be selected in above-mentioned first communication port and/or the second communication port in other embodiments, on
The design development for stating an open communication mouth is two communication ports opened up outward, such as one of communication port and a stream
The connection of port valve mouth, another communication port are connected to another adjacent circulation valve port, cooperate relatively accurate control method real
Existing flow path stablizes switching.
Under the drive of driving member 22, movable valve member 21 moves back and forth between the first operating position and the second operating position,
Specifically the movable valve member 21 carries out reciprocating rotation, the first communicating passage 211, the second communicating passage relative to fixed valve member 23
The circulation valve port that 213 any two being respectively communicated in aforementioned four circulation valve port are disposed adjacent, movable valve member 21 are located at first
When operating position, the first communicating passage 211 of movable valve member 21 can be connected to the first flowing valve mouth 101 and the second flowing valve mouth
102, realize working media conducting between corresponding the import and export pipeline, the second communicating passage 213 can be connected to third circulation valve port 103
With the 4th circulation valve port 104;When movable valve member 21 turns to the second operating position from the first operating position, the first communicating passage
211 can be connected to the first flowing valve mouth 101 and the 4th circulation valve port 104, and the second communicating passage 213 can be connected to third flowing valve
Mouth 103 and the second flowing valve mouth 104;Above-mentioned first communicating passage 211, corresponding fixed valve member setting first is arranged in movable valve member 21
Circulate valve port, the second flowing valve mouth structure when, volume control device at least can be realized one-in-and-one-out conducting truncation, into one
Step, the second communicating passage is arranged in movable valve member again, third is arranged in fixed valve member again, the structure of the 4th circulation valve port when, flow control
Device processed can be realized the four-way handoff functionality of Two In and Two Out.In further embodiments, specifically movable valve member 21 is located at first
When operating position, the first communicating passage 211 of movable valve member 21 can be connected to the first flowing valve mouth 101 and the second flowing valve mouth
102, when movable valve member 21 is located at the second operating position, the first communicating passage 211 can be connected to the second flowing valve mouth and third stream
Port valve mouth, so that volume control device can have threeway handoff functionality.
Incorporated by reference to shown in Fig. 9, specifically, the valve body 210 of movable valve member has inner wall part 215, outside wall portions 216, outer wall
Portion 216 is assembled with 22 phase of driving member, and further the recess portion of outside wall portions is protruded into the end of the driving member, so that the two is mechanically connected
And limit setting, realize that the assembling between movable valve member and driving member is fixed, 215 part of inner wall part is towards 210 bottom of installation cavity
Setting, inner wall part 215 are at least partly oppositely arranged with the inner bottom wall of shell 112, which forms the first communicating passage
211, the second communicating passage 213, and the open side of the inner wall part is formed with above-mentioned communication port 2110,2130, the first communicating passage
211 top wall area forms the first guide curve surface 2151, and further inner wall part 215 includes side wall surface 2152, bottom side 2153,
In at least bottom side 2153 form above-mentioned guide curve surface 2151, such as in present embodiment side wall surface 2152 be plane, bottom side
Face 2152 includes the first water conservancy diversion concave surface 2151a to set to the concave, and side wall surface 2152 can also be included at least and be concaved in other modes
If the second water conservancy diversion concave surface, and the first water conservancy diversion concave surface is connected with the second water conservancy diversion concave surface and forms above-mentioned guide curve surface 2151;When
When the first communicating passage 211 connection the first, second circulation valve port, the first guide curve surface 2151 is as the interior of first communicating passage
Wall flow-guiding structure is conducive to working media smoothly from inlet flow to outlet;The top wall area of second communicating passage 213 forms the
Two guide curve surfaces 2131, the second guide curve surface 2131 are conducive to working media as the inner wall flow-guiding structure of second communicating passage
Smoothly exported from corresponding inlet flow to corresponding, along circulating direction of the working media from import to outlet, the first guide curve surface and/
Or second guide curve surface at least there is the contour line of arch.The equivalent diameter of circulation valve port 101,102,103,104 is labeled as d,
V1 along the vertical direction, the first communicating passage, the second communicating passage have high point region H, on above-mentioned vertical direction, the high point area
Domain H to the vertical range h between fixed 23 uper side surface of valve member meets formula h=a*d, i.e. h is that above-mentioned circulation valve port equivalent is straight
Between 0.3 times to 2 times of diameter d (including 0.3 times, 2 times), wherein coefficient a be 0.3~2, d be circulation valve port 101,102,103,
The flow resistance that can reduce working media relatively is arranged such, in coolant circuit or heat-exchanging loop in 104 equivalent diameter
Under the work lift of selected pump installation, the working medias such as coolant liquid can smoothly be connected.
Valve body 210 has recirculation hole 2102, and the recirculation hole is through inner wall part 215 and outside wall portions 216, thus the recirculation hole
2102 run through the side wall of valve body 210 along the thickness direction of valve body side wall, and specifically the cross-sectional shape of recirculation hole 2102 is
Round or rectangle or ellipse, and volume control device 100 includes the back pressure cavity between outside wall portions and all side walls of shell
1101, recirculation hole 2102 is connected to the back pressure cavity and the first communicating passage, and/or the back pressure cavity and the second communicating passage, can be opposite
Pressure difference between back pressure cavity and working media in corresponding circulation passage is balanced, can be relieved inlet side working media excessive pressure to can
The impact of dynamic valve member, prevents movable valve member from rush upwards by working media so that between movable valve member and fixation valve member with compared with
Good sealing performance.Wherein outside wall portions 216 include pressure-bearing protrusion 2162, which has towards 1101 institute of back pressure cavity
The pressure-bearing curved surface 2162a of protrusion in side, and the pressure-bearing curved surface is located at the opposite bottom side region of back pressure cavity 1101, can relative increase can
The pressure of side where dynamic valve member towards side where housing bottom or fixed valve member, further mode movable valve member 21 is by working media
It rushes upwards, further such that being in close contact between movable valve member and fixed valve member.
Recirculation hole 2102 may be provided at any position that valve body 210 offers the first circulation passage or the second circulation passage
It sets, along inner wall part 215 towards the inward-outward direction of outside wall portions 216, the vertical section shape of the recirculation hole is rectangle setting, further
Equivalent diameter or equivalent circulation area at the internal orifice of recirculation hole 2102 are equal to equivalent diameter or equivalent at the collar extension of recirculation hole
Circulation area or the vertical section shape of recirculation hole 2102 are trapezoidal setting, equivalent diameter at the internal orifice of recirculation hole or are worked as
Equivalent diameter or equivalent circulation area that circulation area is greater than at the collar extension of recirculation hole 2102 are measured, the first communicating passage is conducive to
Coolant enters back pressure cavity by the recirculation hole, opposite to reduce the works such as coolant convenient for working media along the outside pressure release of recirculation hole
Make medium to movable valve member upward thrust, relative close can be kept to seal between two valve members.
It please refers to shown in Fig. 2 to Fig. 6 and Fig. 8 to Figure 12, the driving member 22 includes main body 220, the first driving section
221, the second driving section 222, along vertical direction V1 where driving member central axis, one end of the first driving section 221 is upwardly extended
Shell 1 out, main body 220, the second driving section 222 and movable valve member 21 are respectively positioned on the installation cavity;Wherein the first driving section 221 with
It is contacted between shell for dynamic sealing, prevents working media from leaking outside, accordingly the lid 12 of shell includes mounting hole 120, and first passes
Portion 221 is moved from the protruding shell of the mounting hole, volume control device further includes sealing ring 242, the second sealing ring 2421, wherein
The sealing ring 242 is located at installation cavity 110, and the sealing ring is closely set in 2211 side of hinge portion of the first driving section 221, from
And good seal between 221 side of the first driving section and shell, auxiliary seal ring 2421 are located in the construction opening of distribution body
Between all side walls and lid lateral wall, can it prevent working media from leaking outside.Control unit 3 provides driving force and drives the first driving section
221 rotations, so that the driving member 22 is able to drive movable valve member 21;Specifically as the first driving section drives, the second driving section
222 are able to drive the movable valve member 21 is rotated between the first, second operating position, and wherein the main body 220 of driving member is big
It causes to be dish-like appearance, which includes the edge part 220a for radially extending and being circumferentially connected, and driving member 22 includes being located at peace
The limited block 2201 behaveing affectedly in 110, the limited block are column setting, the limited block from edge part 220a along the vertical direction
V1 or radial direction protrude out setting, and extend towards with the second driving section opposite direction, and the lid 12 of shell is correspondingly formed limit
Card slot 121, the first stopper section 122 and the second stopper section 123, limited block 2201 are at least partially disposed at the limit card slot 121,
With the rotation of driving member 22, limited block 2201 slides in limit card slot 121, when limited block 2201 and the first stopper section
When abutting against, driving member 22 is positioned as first position at this time, moves when limited block 2201 rotates 90 degree along limit card slot 121
To when abutting against with the second stopper section, driving member 22 is positioned as the second position.
Movable valve member 21 has the limit recess portion 2160 with the assembling cooperation of 222 phase of the second driving section, the second driving section 222
The end section of end section protrudes into the limit recess portion, thus mutually assembling cooperation, the two forms transmission fit structure and can be in week
To being limited;The outside wall portions 216 of valve body form above-mentioned limit recess portion 2160 in present embodiment, which is located at can
The top area of dynamic valve member 21, the top area are defined as the part of the relatively close driving member of movable valve member 21, driving member 22
The second driving section 222 formed limit arm 2221, which is inserted into the limit recess portion 2160, so that the second driving section
222 match with the limit recess portion 2160, and form circumferential position limiting structure, and all side walls of limit recess portion 2160 form the first limit
Side 2160a, the second limit side 2160b, which is curved setting, and/or the second limit side is flat
Planar setting;In other words, the one side wall of the side and limit recess portion 2160 that limit arm 2221 offsets, the limit arm 2221
The other side and limit another side wall of recess portion 2160 and offset, and along the vertical direction V1, limit the end of arm 2221
It is arranged between the bottom wall 2160c of limit recess portion 2160 for spacing.Further, medial surface, the lateral surface of arm are limited as song
Planar setting, the first limit side of the limit recess portion are curved setting, the first limit side and the limit arm
Medial surface be oppositely arranged, the limit arm includes aperture inside and outside running through, and the driving member and movable valve member circumferentially limit
Position effect stability, and it is reasonable stress, not easy to break, limit arm is not susceptible to deform.The further outside of second driving section
It is clearance fit or interference fit or transition fit between the inner sidewall of the limit recess portion 2160 of wall and movable valve member, second biography
Dynamic portion mutually assembles and relatively fixed setting with movable valve member.Limiting arm 2221 includes the stop abutted against with movable valve member 21
Portion, or in turn, the second driving section 222 is formed with limiting groove 2220, movable valve member 21 has to match with the limiting groove
The retainer of conjunction, the side wall of the limit recess portion side of the specific movable valve member is as the retainer, the retainer and limiting groove
Between form circumferential position limiting structure and/or axial arrangement, the can be limited on vertical direction V1 and in rotation circumferential direction
The position of one driving section and movable valve member, with the transmission fitness between opposite reinforcement driving member and movable valve member, between the two
It is not susceptible to loosen.
Driving member 22 and the mutually assembling of movable valve member 21 cooperate and fix and be arranged relatively, and form relative limit structure, and two
A formation limit shaft, another formation limit axis hole in person, specifically driving member 22 forms limit shaft 223, movable valve
The top center of part 21 is correspondingly formed limit axis hole 2161, or can also driving member 22 formation limit axis hole, movable valve member
Top center be correspondingly formed limit shaft, which matches with limit axis hole and forms axial limit structure,
The axial limit structure can on the vertical direction V1 the relatively fixed driving member and the movable valve member, additionally be able to
So that movable valve member carries out reciprocating rotation around center line where limit axis hole, it is not easy eccentric or excessively swings, promote movable valve member
The stability of movement;Further, limit shaft 223 and one in axis hole 2161 is limited with anti-mis-insertion protrusion 2231, another
A to have anti-mis-insertion recess portion 2161a, the limit shaft matches with the limit axis hole and forms error-proof structure, the fool proof knot
Structure can circumferentially rotate relative positioning driving member and movable valve member on direction in the driving member, avoid anti-dress or other misloadings,
Convenient for correctly assembling.
Volume control device 100 further includes preload piece, and one end of the preload piece abuts the driving member or shell, pre-tightens
The other end of part is directed away from driving member direction pushing tow movable valve member, can apply pretightning force, such as bullet to movable valve member 21
Property pressure in the upside of movable valve member 21 so that both movable valve member 21 and fixed valve member 23 are in close contact, so that opposite promote two
Sealing performance between valve member;In a kind of embodiment, volume control device includes elastic component 25, and the elastic component is as preload piece
25, volume control device has the installing zone 1102 between movable valve member 21 and driving member 22, and elastic component 25 is located at the peace
Area is filled, volume control device 100 has the limit stopper 2222 for the setting that overhangs, specifically, driving member 22 and/or movable valve member 21
Limit stopper is formed, which is at least blocked in the part side of the elastic component 25, being capable of the backstop elastic component circumferential direction side
To falling off, movable valve member 21 is assembled with 22 phase of driving member and elastic component 25 is in compressive state, and movable valve member 21 has and first
The first abutting part 2163 that end 251 is in contact, driving member 22 have the second abutting part being in contact with the second end 252
2202, specifically the main body 220 of driving member 22 includes accommodating recess 2203, along the vertical direction V1, the second end 252 of elastic component
When in a compressed state in elastic component 25 positioned at the accommodating recess, the second end 252 and the bottom wall of the accommodating recess abut against,
It is clearance fit between the second end side and the side wall of the accommodating recess;Along vertical direction where the central axis of elastic component
V1, the first end 251 of elastic component is opposite with the pressure-bearing surface that the first abutting part 2163 is formed to abut, the pressure-bearing of first abutting part
Face is defined as the first pressure-bearing surface, and the second end 252 of the elastic component is opposite with the pressure-bearing surface that the second abutting part 2202 is formed to abut,
The pressure-bearing surface of second abutting part 2202 is defined as the second pressure-bearing surface, which is that plane is arranged so as to be supplied to bullet
Property the more stable supporting surface of part 25, with can with elastic component upper part is firm abuts;Compression elastic component 25 is contraction state, is
Movable valve member 21 provides pressing force, prevents movable valve member by the upward pushing tow of coolant, relative increase movable valve member 21 and fixed valve
Sealing performance between part 23.It limits 2222 autonomous agent 220 of stopper to be extended towards 21 direction of movable valve member, the limit
Knot constitutes the cantilever-shaped side for being symmetricly set on main body 220, and specific second driving section 222 is integrally disposed upon the limit stopper
End or a part of the second driving section 222 form the limit stopper;The limit stopper is specially cantilever-shaped limit
Protrusion, further when elastic component 25 is when in a compressed state, the distal portion of the stopper protrusion is in limit recess portion;Alternatively, limit
Stopper 2222 is stopper protrusion, and autonomous agent 220 is distinguished towards 21 direction of movable valve member with stopper protrusion in the second driving section 222
It being extended, corresponding movable valve member 21 includes limit recess portion 2161, which assembles with 221 phase of the second driving section cooperates,
The end section of second driving section 222 protrudes into the limit recess portion 2161, is between the two clearance fit, and can mutually limit,
So that the second driving section drives movable valve member;Alternatively, limit stopper 2222 is stopper protrusion, the stopper protrusion is from movable valve member 21
The 220 place side of main body of top towards driving member protrude out setting.The limit shaft 223 of driving member and 222 phase of the second driving section
The radial outside of the limit shaft 223 is located at along setting, elastic component 25 is extended in the same direction for main body 220, or along transmission shaft lever
Radial direction, the greatest width dimension of transmission shaft lever 223 is less than the minimum internal equivalent diameter of elastic component 25, specifically transmission shaft lever
223 greatest width dimension is less than the half or one third of the minimum internal equivalent diameter of elastic component 25.
Specifically elastic component 25 is located between driving member 22 and the outside wall portions 216 of movable valve member 21, outside wall portions 216 have with
The first pressure-bearing surface 2163a that the first end 251 of the elastic component abuts against, first pressure-bearing surface be single plane be arranged or by
Several planes are formed, which, which is capable of providing, gives elastic component 25 more stable supporting surface, and can be with elastic component lower end
Part is firm to abut;When elastic component 25 is when in a compressed state, which pushes downwards movable valve member 21, can push first
It is in close contact between contact portion 212 and the second contact portion 111, wherein the surface roughness of the first contact portion is greater than 0.03 μm and small
In 0.48 μm and/or the surface roughness of second contact portion is greater than 0.03 μm and less than 0.48 μm, and applicant is by creating
Under the basis of design and experimental demonstration, the surface smoothness of the first, second contact portion has such parameter, between the two leakproofness
Can preferably, the surface roughness of certain first, second contact portion is slightly less than above range lower limit or slightly larger than above parameter range
The upper limit both still can achieve seal request also within the application protection scope.
It please refers to shown in Fig. 1 to Fig. 3, the distribution body 11 is provided with multiple screw mounting holes 114, lid 12 is provided with
The two can be assembled by screw elements 41 and be fixed, further led to by the multiple screw holes 122 matched with screw mounting hole 114
Setting sealing element is crossed in distribution body 11 and lid 12, it can be achieved that sealing, prevents the leakage or described of the working medias such as coolant
Distribution body 11 is assembled with 12 phase of lid and the two passes through welding realization sealed set;The shell 1 passes through spiral shell with control unit 3
Line connection type carries out assembling fixation, and the shell 31 of the lid 12 and control unit 3 is connected through a screw thread mode or welding
Mode realizes that connection sealed set, such as the lid 12 and control unit 3 are respectively arranged at least three screw mounting holes
123, control unit 3 is provided at least three screw mounting holes 311, can assemble the two by screw elements 42 and fix, reduce
Vehicle occurs under the operating conditions such as strenuous vibration, so that the working performance of volume control device.Specifically, the thickness of the movable valve member
Having a size of 3mm~9mm, such as 4mm, 5mm, 6mm, 7mm equidimension, the movable valve member is excessively thin, is not easy to be manufactured and structure is strong
It is poor to spend, and blocked up meeting relative increase integral product height dimension is unfavorable for miniaturization and cost of raw material relative increase.
Claims (13)
1. a kind of volume control device, including shell and the first valve member, the shell include installation cavity, the first flowing valve mouth,
Second flowing valve mouth, the first flowing valve mouth, the second flowing valve mouth are respectively positioned on the bottom of the shell, and towards first valve
Side where part, the shell include the intake channel being connected to the first flowing valve mouth, are connected to the second flowing valve mouth
Exit passageway;First valve member includes valve body, and the bottom side of the valve body forms the first contact portion, first contact portion tool
There is smooth contact surface;The volume control device is also formed with the second contact portion, and second contact portion top side has smooth connect
Contacting surface, and second contact portion is at least about in the radial side of the first flowing valve mouth, the second flowing valve mouth, it is described
First valve member rotates in the installation cavity relative to second contact portion, the first communicating passage energy set by the valve body
Enough it is connected to the first flowing valve mouth and the second flowing valve mouth, the smooth contact surface of first contact portion second connects with this
It is in contact between the smooth contact surface of contact portion and forms sealed set;First valve member is in the first operating position and the second work
It is moved back and forth between position, wherein first communicating passage can be connected to when first valve member is located at the first operating position
The first flowing valve mouth and the second flowing valve mouth.
2. volume control device as described in claim 1, which is characterized in that first contact portion connects at least about in first
The radial side of the communication port of circulation passage, the volume control device include the second valve member, which is located at the installation
Chamber, the inner circumferential side wall and/or inner bottom wall of the shell have been wholely set holding section, which mutually blocks with second valve member
Hold, the first flowing valve mouth run through second valve member and shell at least partly inner bottom wall, the first flowing valve mouth with it is described
Intake channel is connected, and the second flowing valve mouth runs through at least partly inner bottom wall of second valve member and shell, thus with institute
Exit passageway is stated to be connected;
The inner bottom wall of second valve member and the shell, which is integrated, is embedded structure, the bottom side of second valve member and the shell it
Between sealed set or second valve member and shell assembling fix, the volume control device includes gasket seal, the
Two valve members and the shell pass through gasket seal formation sealing structure.
3. volume control device as claimed in claim 2, which is characterized in that the volume control device is set to car air-conditioner
On the connecting line of system circuit or coolant circuit, the volume control device includes the second valve member, which is located at
The installation cavity, the shell have the holding section of clamping second valve member, inner circumferential side wall and/or the inner bottom wall one of the shell
It is provided with the holding section, in vertical direction where the central axis of second valve member, the thickness of second valve member is less than
The thickness of first valve member, the second contact portion projection are exposed except the bottom wall in the upside of second valve member,
Second valve member is located at the installation cavity bottom, and the inner bottom wall of second valve member and the shell formed it is described first-class
Port valve mouth, the second flowing valve mouth;Along the vertical direction, the first communicating passage has high point region, and along the vertical direction,
The high point region meets formula h=a*d to the vertical range h between the second valve member uper side surface, and wherein coefficient a is 0.3~2, d
For the equivalent diameter of the first flowing valve mouth and/or the second flowing valve mouth.
4. the volume control device as described in claims 1 or 2 or 3, which is characterized in that the volume control device includes second
Valve member, second valve member are located at the installation cavity, which has the holding section of clamping second valve member, the flow control dress
It sets including gag lever post, the gag lever post is that metallic rod shaped setting should in vertical direction where the central axis of second valve member
The end portion of gag lever post is inserted into the inner bottom wall of the shell, which passes through the middle section of first valve member, thus
The upper part of the gag lever post is inserted into first valve member, and first valve member has the upper part for accommodating the gag lever post
The first slot, the inner bottom wall of the shell has the second slot of the end portion for accommodating the gag lever post, first slot, the second slot
For coaxial arrangement.
5. volume control device as claimed in claim 4, which is characterized in that the end portion of the gag lever post and the shell
Inner bottom wall be fixedly connected, second valve member has limit hole with the gag lever post clearance fit, and first valve member has
Intermediate roof, the intermediate roof form first slot, and the upper part of first slot and the gag lever post is clearance fit, institute
The both sides of edges for stating the second valve member is symmetrically arranged with securing groove, and the inner circumferential side wall and/or inner bottom wall of the shell have been wholely set
The holding section forms circumferential position limiting structure between second valve member and the shell.
6. the volume control device as described in any one of claim 1-3,5, which is characterized in that first contact portion and institute
It states and is in close contact between the second contact portion, the surface roughness of first contact portion is greater than 0.03 μm and less than 0.5 μm, and/
Or the surface roughness of second contact portion is greater than 0.03 μm and less than 0.5 μm.
7. volume control device as claimed in claim 4, which is characterized in that first contact portion and second contact portion
Between be in close contact, the surface roughness of first contact portion is greater than 0.03 μm and less than 0.5 μm and/or described second connects
The surface roughness of contact portion is greater than 0.03 μm and less than 0.5 μm.
8. the volume control device as described in any one of claim 1-3,5,7, which is characterized in that the volume control device
It further include the third circulation valve port positioned at the installation cavity bottom, when first valve member is located at the second operating position, described the
One communicating passage can be connected to the second flowing valve mouth and third circulation valve port;First communicating passage has one
Opening, when first valve member is located at the first operating position, first communicating passage pass through the open communication described in first,
Second flowing valve mouth or first communicating passage have the first opening, the second opening, and first communicating passage is by being somebody's turn to do
First opening is connected to the first flowing valve mouth, and first communicating passage passes through second opening and second flowing valve
Mouth connection.
9. volume control device as claimed in claim 4, which is characterized in that the volume control device further includes positioned at described
The third circulation valve port of installation cavity bottom, when first valve member is located at the second operating position, first communicating passage can
It is connected to the second flowing valve mouth and third circulation valve port;First communicating passage has an opening, when described the
When one valve member is located at the first operating position, first communicating passage passes through the first, second circulation valve port described in the open communication,
Or first communicating passage has the first opening, the second opening, first communicating passage first is open and institute by this
The connection of the first flowing valve mouth is stated, first communicating passage is connected to by second opening with the second flowing valve mouth.
10. volume control device as claimed in claim 6, which is characterized in that the volume control device further includes being located at institute
The third circulation valve port for stating installation cavity bottom, when first valve member is located at the second operating position, the first communicating passage energy
Enough it is connected to the second flowing valve mouth and third circulation valve port;First communicating passage has an opening, when described
When first valve member is located at the first operating position, first communicating passage passes through the first, second flowing valve described in the open communication
Mouthful or first communicating passage have first opening, second opening, first communicating passage by this first opening with
The first flowing valve mouth connection, first communicating passage are connected to by second opening with the second flowing valve mouth.
11. volume control device as claimed in claim 6, which is characterized in that the volume control device further includes being located at institute
Third circulation valve port, the 4th circulation valve port for stating installation cavity bottom, when first valve member is located at the first operating position, described the
One communicating passage can be connected to the first flowing valve mouth and the second flowing valve mouth, and second connects set by the valve body
Circulation passage can be connected to the 4th circulation valve port and third circulation valve port, and first valve member is located at the second operating position
When, first communicating passage can be connected to the first flowing valve mouth and third circulation valve port, and second connection is logical
Road can be connected to the 4th circulation valve port and the second flowing valve mouth.
12. volume control device as claimed in claim 6, which is characterized in that the volume control device is formed with positioned at institute
State the first flowing valve mouth, the second flowing valve mouth, third circulation valve port, the 4th circulation valve port of installation cavity bottom, the flow control
Device processed includes the back pressure cavity between the outside wall portions of the valve body and all side walls of the shell, and the valve body has
Recirculation hole, inner wall part and the outside wall portions of the recirculation hole through the valve body, so that the recirculation hole is connected to the back pressure cavity
With first communicating passage;
Separate setting, first valve member between second communicating passage set by first communicating passage and the valve body
When positioned at the first operating position, first communicating passage can be connected to the first flowing valve mouth and second flowing valve
Mouthful, second communicating passage can be connected to the third circulation valve port and the 4th circulation valve port, first valve member position
When the second operating position, first communicating passage can be connected to the first flowing valve mouth and the 4th circulation valve port,
Second communicating passage can be connected to the third circulation valve port and the second flowing valve mouth.
13. volume control device as described in claim 1, which is characterized in that the valve body has inner wall part, outside wall portions,
The inner wall part is at least partly oppositely arranged with the bottom of shell, which forms first communicating passage, and described first
The top wall area of communicating passage forms guide curve surface, and the valve body has recirculation hole, and the cross-sectional shape of the recirculation hole is
Round or rectangle or ellipse;
The first flowing valve mouth is import, the second flowing valve mouth is outlet, the working media stream from the import to outlet
Logical direction, guide curve surface have the contour line of arch;
The volume control device is set on the connecting line of air conditioning system for vehicle circuit or coolant circuit, the flow control
Device processed includes the second valve member, which is located at the installation cavity, which has the holding section of clamping second valve member,
The inner circumferential side wall and/or inner bottom wall of the shell have been wholely set the holding section, in the central axis institute of second valve member
In vertical direction, the thickness of second valve member is less than the thickness of first valve member, and the second contact portion projection is described
The upside of second valve member, and expose except the bottom wall, second valve member is located at the installation cavity bottom, and second valve
The inner bottom wall of part and the shell forms the first flowing valve mouth, the second flowing valve mouth;Along the vertical direction, first
Communicating passage has high point region, and along the vertical direction, the high point region is to vertical between the second valve member uper side surface
Distance h meets formula h=a*d, and wherein coefficient a is the equivalent that 0.3~2, d is the first flowing valve mouth and/or the second flowing valve mouth
Diameter;
The volume control device includes gag lever post, and the gag lever post is metallic rod shaped setting, at the center of second valve member
Vertical direction where axis, the end portion of the gag lever post are inserted into the inner bottom wall of the shell, which passes through described first
The middle section of valve member, so that the upper part of the gag lever post is inserted into first valve member, first valve member has receiving
First slot of the upper part of the gag lever post, the inner bottom wall of the shell have the second of the end portion for accommodating the gag lever post
Slot, first slot, the second slot are coaxial arrangement;
The end portion of the gag lever post is fixedly connected with the inner bottom wall of the shell, and second valve member has and the gag lever post
The limit hole of clearance fit, first valve member have intermediate roof, which forms first slot, first slot with
The upper part of the gag lever post is clearance fit, and the both sides of edges of second valve member is symmetrically arranged with securing groove, the shell
The inner circumferential side wall and/or inner bottom wall of body have been wholely set the holding section, and week is formed between second valve member and the shell
To position limiting structure;
The volume control device further includes third circulation valve port, the 4th circulation valve port positioned at the installation cavity bottom, described
Separate setting between second communicating passage set by first communicating passage and the valve body, first valve member is located at first
When operating position, first communicating passage can be connected to the first flowing valve mouth and the second flowing valve mouth, and described
Two communicating passages can be connected to the third circulation valve port and the 4th circulation valve port, and first valve member is located at the second work
When position, first communicating passage can be connected to the first flowing valve mouth and the 4th circulation valve port, and described second connects
Circulation passage can be connected to the third circulation valve port and the second flowing valve mouth;
The volume control device includes the back pressure cavity between the outside wall portions and all side walls of the shell, the valve master
Body has recirculation hole, and the recirculation hole is through the inner wall part of the valve body and the outside wall portions of the valve body, thus the recirculation hole
It is connected to the back pressure cavity and first communicating passage.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201720778417X | 2017-06-30 | ||
CN201720778417 | 2017-06-30 |
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CN208204057U true CN208204057U (en) | 2018-12-07 |
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Family Applications (1)
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CN201721195656.9U Active CN208204057U (en) | 2017-06-30 | 2017-09-18 | Volume control device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111981163A (en) * | 2020-08-28 | 2020-11-24 | 磁县昱卓节能环保科技有限公司 | Multi-directional flow control valve |
CN114450511A (en) * | 2019-12-12 | 2022-05-06 | 翰昂汽车零部件有限公司 | Binary mode fluid valve |
CN114949579A (en) * | 2022-06-17 | 2022-08-30 | 深圳市迈威生物科技有限公司 | Three-way valve |
-
2017
- 2017-09-18 CN CN201721195656.9U patent/CN208204057U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114450511A (en) * | 2019-12-12 | 2022-05-06 | 翰昂汽车零部件有限公司 | Binary mode fluid valve |
CN114450511B (en) * | 2019-12-12 | 2024-06-18 | 翰昂汽车零部件有限公司 | Binary mode fluid valve |
CN111981163A (en) * | 2020-08-28 | 2020-11-24 | 磁县昱卓节能环保科技有限公司 | Multi-directional flow control valve |
CN114949579A (en) * | 2022-06-17 | 2022-08-30 | 深圳市迈威生物科技有限公司 | Three-way valve |
CN114949579B (en) * | 2022-06-17 | 2023-06-20 | 深圳市迈威生物科技有限公司 | Three-way valve |
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Effective date of registration: 20201208 Address after: 312500 Shaoxing City, Zhejiang province Xinchang Qixing street under the Liquan Patentee after: ZHEJIANG SANHUA INTELLIGENT CONTROLS Co.,Ltd. Address before: 310018 No. 12, No. 289-2, Xiasha Economic Development Zone, Hangzhou, Zhejiang Patentee before: Hangzhou Sanhua Research Institute Co.,Ltd. |
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TR01 | Transfer of patent right |