CN209294429U - Motor-driven valve and thermal management assemblies - Google Patents

Abstract

A kind of motor-driven valve, thermal management assemblies, valve module and valve body, valve module includes stator module, the first component and control unit, the first component includes rotor assembly, valve seat, valve body and spool, stator module is located at the outside of rotor, valve seat has valve port, rotor is able to drive spool and moves with respect to valve port, motor-driven valve further includes locating part, at least partly valve seat is inserted into valve body, valve module includes the recess portion for forming in valve seat periphery, and locating part is inserted into recesses fit and limits axial displacement of the valve module relative to valve body；Locating part connects valve module with valve body axial limiting in this way, and connection structure is simpler.

Description

Motor-driven valve and thermal management assemblies

[technical field]

The utility model relates to fluid control technology fields, and in particular to a kind of flow regulator.

[background technique]

With the raising of the requirement to control precision, motor-driven valve is gradually used as flow regulator.Motor-driven valve packet Include valve module and valve body, the position limiting structure of valve module and valve body affects the performance of motor-driven valve.

[utility model content]

The purpose of this utility model is to provide a kind of motor-driven valves, provide a kind of simple position limiting structure of structure.

The utility model provides a kind of technical solution: a kind of motor-driven valve, and the motor-driven valve includes valve module and valve body, described Valve module is connected with valve body, and the valve module includes stator module, the first component and control unit, and the first component includes Rotor assembly, casing, valve seat, valve body and spool, the stator module are located at the outside of the rotor, the rotor assembly position On the inside of described sleeve pipe, the valve seat has valve port, and the rotor is able to drive the relatively described valve port movement of the spool, described Motor-driven valve further includes locating part, and at least partly described valve seat is inserted into the valve body, and the valve module includes forming in the valve seat The recess portion of periphery, the locating part protrude into valve body and are inserted into the recess portion, limit axis of the valve module relative to the valve body To displacement.

The utility model additionally provides a kind of technical solution: a kind of thermal management assemblies, including heat exchanger and motor-driven valve, institute Stating motor-driven valve is above-described motor-driven valve, and the heat exchanger includes connector, working media entered by the connector or Flow out the heat exchanger, the valve body is fixed with the heat exchanger, the valve body include the first circulation passage and second all Road, the connector are connected to first circulation passage or the second circulation passage, and the valve body is formed with the first installation cavity, until Valve seat described in small part is located at first installation cavity.

Motor-driven valve and thermal management assemblies in the present embodiment include valve module, valve body and locating part, and valve module includes valve Seat, valve seat periphery form recess portion, and locating part protrudes into valve body and is inserted into recess portion, can limit axial position of the valve module relative to valve body It moves, structure is simple.

[Detailed description of the invention]

Fig. 1 is a kind of schematic diagram of embodiment of motor-driven valve provided by the utility model；

Fig. 2 is a schematic diagram of the section structure of motor-driven valve shown in FIG. 1；

Fig. 3 is a decomposition texture schematic diagram of motor-driven valve shown in FIG. 1；

Fig. 4 is the structural schematic diagram at a visual angle of the first embodiment of valve module in Fig. 1；

Fig. 5 is a schematic diagram of the section structure of the valve module of Fig. 4；

Fig. 6 is one decomposition texture schematic diagram of valve module of Fig. 4；

Fig. 7 is a combining structure schematic diagram of the first component and the first connector in Fig. 4；

Fig. 8 is a schematic diagram of the section structure of Fig. 7；

Fig. 9 is a structural schematic diagram of the first component in Fig. 7；

Figure 10 is a schematic perspective view of the first embodiment of the first connector in 7；

Figure 11 is the structural schematic diagram in Fig. 7 before the non-punching press protrusion of the first connector；

Figure 12 is a schematic perspective view of second of embodiment of the first connector in Fig. 7；

Figure 13 is the structural schematic diagram at another visual angle of the valve module of Fig. 4；

Figure 14 is a structural schematic diagram faced of the valve module of Figure 13；

Figure 15 is a schematic perspective view of second of embodiment of valve module；

Figure 16 is a schematic perspective view of the third embodiment of valve module；

Figure 17 is a schematic perspective view of the 4th kind of embodiment of valve module；

Figure 18 is a schematic diagram of the section structure of valve module in Figure 17；

Figure 19 is a schematic perspective view of the 5th kind of embodiment of valve module；

Figure 20 is a schematic perspective view of valve body in Fig. 1；

Figure 21 is the structural schematic diagram at another visual angle of the motor-driven valve of Fig. 1；

Figure 22 is a schematic diagram of the section structure of the valve body of Figure 20；

Figure 23 is a schematic diagram of the section structure of the locating part and valve body mating part in 21；

Figure 24 is a kind of schematic perspective view of the locating part in Figure 21；

Figure 25 is another the schematic diagram of the section structure of motor-driven valve shown in FIG. 1；

Figure 26 is the structural schematic diagram at a visual angle of the 6th kind of embodiment of valve module in Fig. 1；

Figure 27 is a kind of one structural schematic diagram of embodiment of thermal management assemblies provided by the utility model；

Figure 28 is a structural schematic diagram of second of embodiment of the first component.

[specific embodiment]

The utility model is described in further detail in the following with reference to the drawings and specific embodiments:

Motor-driven valve in the present embodiment is mainly used in refrigeration system, is specifically used for field of flow control, be can be used in Adjust the flow of the working media in refrigeration system.Fig. 1 is the one of the first embodiment of motor-driven valve provided by the utility model A the schematic diagram of the section structure, the concept of " upper and lower " in the following description with it is corresponding up and down in the figure of Fig. 1.

Referring to Fig. 1, Fig. 2 and Fig. 3, in the present embodiment, motor-driven valve 100 includes valve module 101 and valve body 102, valve module 101 are fixedly connected or are detachably connected with valve body 102, certainly, valve body 102 can also be fixedly connected with heat exchanger or one at Shape, then valve module 101 is connected with valve body 102 again, as shown in figure 27.Wherein, mounting portion includes valve body 102, and mounting portion can also To be other structures that user designs as needed.

Valve module 101 includes stator module 110, the first component 103 and control unit 104；In the present embodiment, control unit 104 with 110 relative limit of stator module, the first component 103 and 102 relative limit of valve body, 103 relative stator component of the first component 110 relative limits；I.e. the first component 103 is directly or indirectly connect with stator module 110, and the first component 103 and valve body 102 connect It connects；So that valve module forms an entirety.

Stator module 110 includes coil 1101 and skeleton 1102, and skeleton 1102 provides support for the winding of coil 1101；Ginseng See Fig. 2, Fig. 3, in the present embodiment, valve module 101 further includes injection molding body 105, and injection molding body 105 is formed by injection molding, the present embodiment In, injection molding body 105 is to include the components such as coil 1101 and skeleton 1102 for injection molding inserts, and injection molding body 105 is in 1101 He of coil The periphery of skeleton 1102 is formed with the insulating layer 1103 of stator module 110, stator module 110 can be prevented by working media or Person's air corrosion.Control unit 104 includes electric-controlled box 190 and circuit board module 130, and electric-controlled box 190 and stator module 110 pass through weldering It connects and is fixedly connected.Circuit board module 130 is set to inside electric-controlled box 190, and circuit board module 130 is electrically connected with coil 1101, and And circuit board module 130 can be electrically connected with outside source, valve module 103 includes control unit 104, and control unit 104 is to valve group Part or motor-driven valve control, are conducive to improve control precision and the efficiency to valve module, and stator module 110 and electric-controlled box 190 are fixed It connects, in the present embodiment, stator module 110 and electric-controlled box 190 pass through ultrasonic bonding.

In conjunction with Fig. 2 and Fig. 8, the first component 103 includes rotor assembly 120, casing 140, valve seat 150, spool 170 and passes Dynamic device 180, rotor assembly 120 are located at 140 inside of casing, and stator module 110 is located on the outside of casing 140, i.e., casing 140 every From rotor assembly 120 and stator module 110, rotor assembly 120 is moved by transmission device 180 with movable valve plug 170, valve seat 150 It directly or indirectly fixes and connects relatively with casing 140, in the present embodiment, since the material of casing 140 and valve seat 150 is different, valve Seat 150 is fixedly connected with casing 140 by adapter 154.In the present embodiment, valve module 103 passes through valve seat 150 and valve body 102 It limits and is detachably connected.

In conjunction with Fig. 7 and Fig. 8, valve module 101 further includes the first connector 1, and the first connector 1 passes through welding with valve seat 150 It is fixedly connected；Or first connector 1 and valve seat 150 it is integrally formed, as shown in figure 28；In conjunction with Fig. 4, Fig. 6, stator module 110 It is fixedly connected with the first connector 1, such first connector 1 is fixedly connected with stator module 110 and the first component 103；Make in this way It obtains valve module 103 and forms an entirety.Referring to Fig. 1, Fig. 3, stator module 110, the first component 103 and the first connector 1 are made It is fixedly connected for an entirety with valve body 102, so that for can according to need selection valve body.In conjunction with Fig. 5, in the present embodiment, Valve seat 150 includes side wall 151, and the recess portion 152 that the periphery of side wall 151 is formed, recess portion 152, which can be used in cooperating with locating part 5, to be limited Determine axial displacement of the valve module relative to valve body；In the first embodiment, second of embodiment, the third reality of valve module It applies in mode, the 4th kind of real-time mode and the 5th kind of embodiment, recess portion 152 is the annular for forming in 150 periphery of valve seat Slot, in embodiment of above, locating part 5 and recess portion 152, which cooperate, can only limit valve module 101 and move relative to the axial direction of valve body 102 It is dynamic；In the 6th kind of embodiment, as shown in figure 26, recess portion 152 is non-circular structure, and recess portion 152 can be with locating part 5 Cooperation can limit rotationally and axially the moving relative to valve body 102 of valve module 101, such as: recess portion 152 includes extension, is prolonged Extending portion is identical as the extending direction of locating part, and on the installation direction of locating part, the length that extension is bonded with locating part is greater than 2mm, recess portion 152 include the first recess portion and the second recess portion, and the extending direction of the extending direction of the first recess portion and the second recess portion is identical, First recess portion and the second recess portion are located at valve seat two sides, and the first recess portion and the second recess portion are not connected to setting.

Referring to Figure 10 to Figure 16, the first connector 1 includes body part 12 and protrusion 13, and body part 12 is annular in shape, center Hole 11 is located at the center of body part 12.Protrusion 13 is formed by punching press and/or bending, and protrusion 13 includes free end 131 and connecting pin 132, connecting pin 132 be fixedly connected with body part 12, protrusion 13 protrude body part 12.

For Figure 10 into Figure 15, protrusion 13 forms protrusion in the form of sheets, by pressing and bending；It is convex in Figure 10 and Figure 14 The quantity in portion is one, in Figure 10 and Figure 11 out, defines the width that the vertical range between the both sides of protrusion is protrusion W, between connecting pin 132 and free end 131, the width w of protrusion is identical within the scope of foozle, due to the thickness of protrusion Spend identical, i.e., cross-sectional area is identical, and wherein foozle is 1mm；The stamping position 124 for forming free end is leaned on than connecting pin 132 The center of nearly first connector 1 is arranged, and can prevent installation from interfering in this way；Figure 12 defines the both sides of protrusion into Figure 14 Between vertical range be protrusion width w, the width of the protrusion of free end is greater than the width of the protrusion at connecting pin Degree, the i.e. cross-sectional area of free end are less than the cross-sectional area of connecting pin, form the stamping position of free end than connecting pin close to the The center of a connection piece is arranged, and can prevent installation from interfering in this way；Figure 12 to Figure 14 is relative to the embodiment in Figure 10, favorably In the bonding strength for improving protrusion；The number of protrusion is three in Figure 15, structure phase of the structure with Figure 12 into Figure 14 Together, so that the limit of valve module and valve body is more stable.

In Figure 16, protrusion 13 is cylindrical in shape, and protrusion 13 is by being stamped and formed out, and protrusion 13 is relative to 12 punching press of body part Formed, protrusion 13 includes free end and connecting pin, and free end protrudes from body part 12 and far from body part 12, connecting pin and this Body portion 12 is fixedly connected.The distance and through hole 121 of outer rim of the connecting pin of lug boss 13 apart from body part 12 are apart from body part The distance of 12 outer rims is roughly the same.

Figure 19 is participated in, protruding portion 13 can or protruding portion integrally formed with flange part be separately formed passes through again with flange part It is welded and fixed.

Referring to Figure 17-Figure 18, it is with the main distinction point of Figure 10 to Figure 16: the first connector, in the embodiment, A connection piece 1 includes body part 12 and centre bore, and valve module 103 includes positioning pin 13, and body part 12 includes location hole 126, fixed Location hole 126 is inserted into one end of position pin 13, and the other end of positioning pin 13, which can extend into, limits valve module in the limit hole 42 of valve body The rotation displacement of opposite valve body.In order to enable positioning pin is fixed with respect to valve module, in the present embodiment, positioning pin 13 includes cap portion 135 and bar portion 136, stator module 110 be formed with receiving portion 1111, cap portion 135 is contained in receiving portion 1111, main part 12 and cap Portion 135 abuts setting, and main part 12 limits cap portion 135 and is displaced relative to the axial movement of stator module 110, and bar portion 136 passes through Location hole 126 simultaneously protrudes from the side different from cap portion 135 of body part 12, and bar portion 136 can extend into the limit hole of mounting portion Rotation displacement of the valve module with respect to mounting portion is limited, the mounting portion in the present embodiment is valve body.

In above embodiments, body part 12 further includes at least one through hole 121, and valve module 101 includes injection molding body, at least Part injection body passes through through hole 121, melts the part injection body and forms riveting protrusion, specifically, stator module 110 also has There is a protrusion 1105 matched with through hole 121, protrusion 1105 is at least 3, protrusion 1105 and stator module 110 Insulating layer is integrally formed or protrusion 1105 is separately formed is fixedly connected again with stator module 110, and protrusion 1105 is by having Thermoplastic material is constituted, and protrusion 1105 is inserted through hole 121 and makes the first connector 1 by way of hot melt riveting and determine Sub-component 110 is fixedly connected, and puddle forms riveting protrusion；In order to improve the bonding strength of body part and stator module, Through hole is distributed along body part even circumferential, and the quantity of through hole and the quantity of protrusion are identical, in above embodiments, through hole Quantity be three.

As shown in Fig. 1-Figure 27, the first component 103 further includes baffle portion 1031, baffle portion 1031 and 150 one of valve seat at Shape, in the present embodiment, baffle portion 1031 includes flange part 1032 and stage portion 1033, and the outer diameter of stage portion 1033 is less than flange The outer diameter in portion 1032, the first connector 1 is sheathed on the periphery of stage portion 1033, and abuts with flange part 1032, the first connector 1 It is fixedly connected with stage portion 1033 and/or flange part 1032；It, can be in the first connector 1 and stage portion 1033 in the present embodiment Junction and/or the junction of the first connector 1 and flange part 1032 form weld seam for the first connector 1 and the first component 103 are fixedly connected.

In Figure 28, the first connector 1 and the first component 103 are integrally formed, specifically, the first connector 1 and valve seat 150 1 Body forming, the other structures of the first component 103 with it is described above identical, repeat no more again.

In conjunction with Figure 13 to Figure 16, baffle portion 1031 shapes jagged 1034 in part corresponding with protrusion 1105, can be with So that the forming of protruding portion 1105 is easier, protrusion 13 is arranged close to the outer rim of baffle portion 1031, is conducive to utilize baffle portion Outer rim reinforce protrusion 13 intensity, protrusion 13 protrude from baffle portion 1031 setting, i.e., the length of protrusion 13 be greater than gear The thickness in plate portion 1031.

In conjunction with Figure 17 to Figure 19, baffle portion 1031 shapes jagged 1034 in part corresponding with protrusion 1105, can be with So that the forming of protruding portion 1105 is easier, outer rim setting or positioning pin of the bar portion 136 of positioning pin close to baffle portion 1031 Bar portion 136 be arranged across baffle portion 1031, bar portion 136 protrudes from baffle portion 1031, and the length of bar portion 136 is greater than baffle portion 1031 thickness.

As shown in Fig. 2, valve body 102 has the first circulation passage 1601 and the second circulation passage 1602, the first circulation passage 1601 are connected to the second circulation passage 1602 by valve port 1502, and valve port 1502 can form in valve body 102 or have valve port 1502 component and valve body 102 is fixedly installed, and in the present embodiment, valve seat 150 has valve port 1502, and valve seat 150 is with respect to valve body 102 Fixed setting, can be convenient the processing of valve port 1502 in this way；Rotor assembly 120 is able to drive the movement of spool 170,170 energy of spool It is enough relatively close or moved far from valve port 1502 so that the actual internal area of valve port 1502 changes so that it is first-class all Road 1601 changes with the sectional area that is connected to of the second circulation passage 1602, and then the flow of the system where valve assembly, Valve seat 150 is additionally provided with intercommunicating pore 1503, and intercommunicating pore 1503 can be connected to 150 inner cavity of valve seat and the first circulation passage 1601, connect Through-hole 1503 can be connected to 150 inner cavity of valve seat and the second circulation passage 1602.

Referring to fig. 2, it is arranged for the convenience of description, defining axial direction of the valve body 102 of motor-driven valve with stator module 110 along motor-driven valve Cloth, and axis L is defined, the direction definition vertical with axis L is the radial direction of electrodynamic pump；I.e. the direction of motion of spool 170 is axial, Spool 170 moves up and down along axis L, and stator module 110 and rotor assembly 120 are radially arranged along motor-driven valve.

In conjunction with Fig. 2, Figure 20, Figure 21, Figure 22, Figure 23, valve body 102 is provided with the first installation cavity 1603 along the direction of axis L, At least partly valve seat 150 protrudes into the setting of the first installation cavity 1603.Valve seat 150 is fixedly installed in the first installation cavity of valve body 102 1603, valve seat 150 includes side wall 151, and side wall 151 is formed with recess portion 152, side wall 151 and the valve for forming the first installation cavity 1603 Body 102 matches, and valve seat 150 is provided with sealing ring 3 between side wall 1512 and valve body 102, can reduce motor-driven valve and lets out The risk of leakage, the number of sealing ring 3 are two.

Valve body 102 further includes mounting hole 41, and the extending direction of mounting hole 41 is vertical with the extending direction of valve seat 150, recess portion 152 include the annular groove for surrounding the periphery of valve seat 150, and locating part 5 passes through mounting hole 41 and protrudes into recess portion 152, locating part 5 Partial outer face abuts setting with recess portion 152.Mounting hole 41 includes first segment 411 and second segment 412, first segment 411 and second Section 412 is connected to installation cavity 1603, and at least partly first segment 411 is threaded hole, and second segment 412 is unthreaded hole, and locating part 5 includes First 51 and second 52, at least partly second 52 periphery is formed with external screw thread, and first 51 is polished rod；Valve module 103 and valve body 102 when assembling, mounting hole 41 is corresponding with recess portion 152, and locating part 5 protrudes into mounting hole 41, and second of locating part 5 52 protrude into threaded hole and are threadedly coupled, and protrude into second segment 412 for first 51 and are supported in valve body 102, and referring to fig. 23, part second Portion 52 protrudes into recess portion 152, contacts with the wall portion for forming recess portion 152, and then limits axial position of the valve seat 150 relative to valve body 102 It moves.In the present embodiment, the quantity of mounting hole is two, and respectively the first mounting hole and the second mounting hole, the quantity of limiting section are Two, be the first locating part and the second locating part respectively, and the first locating part is inserted into the first mounting hole and connects with 102 screw thread of valve body It connects, the second locating part is inserted into the second mounting hole and is threadedly coupled with valve body 102, and recess portion 152 is located at the first locating part and the second limit Between the part of position, contact limit of the partial outer face of the first locating part with recess portion, the partial outer face and recess portion of the second locating part Contact limit, so that the connection of valve seat and valve body is more stable.

In the 6th kind of embodiment, as shown in figure 26, recess portion 152 is non-circular structure, and recess portion 152 can be with limit The position cooperation of part 5 can limit rotationally and axially the moving relative to valve body 102 of valve module 101, such as: recess portion 152 includes extending Portion, extension is identical as the extending direction of locating part 5, and on the installation direction of locating part 5, extension is bonded with locating part 5 Length is greater than 2mm, and recess portion 152 includes the first recess portion and the second recess portion, the extension of the extending direction of the first recess portion and the second recess portion Direction is identical, and the first recess portion and the second recess portion are located at 150 two sides of valve seat, and the first recess portion and the second recess portion are not connected to setting.Limit Part 5 includes first 51 and second 52, and at least partly second 52 periphery is formed with external screw thread, and first 51 is polished rod, Mounting hole 41 includes first segment 411 and second segment 412, and at least partly first segment 411 is threaded hole, and second segment 412 is unthreaded hole, limit Position part 5 includes the first locating part and the second locating part, and mounting hole 41 includes the first mounting hole and the second mounting hole, the first limit Part is inserted into the first mounting hole and is threadedly coupled with valve body 102, and the partial outer face of the first locating part is contacted with the first recess portion, and second Locating part is inserted into the second mounting hole and is threadedly coupled with valve body 102, and the partial outer face of the second locating part is contacted with the second recess portion.

In another embodiment, recess portion includes the first recess portion and the second recess portion, the extending direction of the first recess portion and second The extending direction of recess portion is identical, the first recess portion and the second recess portion be located at 102 two sides of valve seat, the first recess portion and the second recess portion not in contact with The rod-like structure that setting, locating part 5 or plastic material are formed, locating part 5 include the first locating part and the second locating part, Mounting hole 41 includes the first mounting hole and the second mounting hole, and the first locating part is inserted into the first mounting hole and passes through melting the with valve body The end of one locating part is fixedly connected, and the partial outer face of the first locating part is contacted in the first recess portion to be limited, and the second locating part is inserted Enter the second mounting hole and connect with valve body by melting the end of the second locating part, the partial outer face of the second locating part is in second Recess portion contact limit.

Locating part 5 can be circlip in addition to the above structure, limiting section, and valve body forms fluted, the center of circle of recess portion and groove The center of circle be arranged concentrically, circlip protrudes into groove, abuts in the part inner peripheral surface of the same circumference of circlip, circlip with recess portion, circlip Corresponding with the groove valve body in portion perimeter face abut.Locating part can also be circlip, and circlip is placed in valve seat In the groove that recess portion and valve body are correspondingly formed, axial movement of the valve seat relative to valve body is limited.

The upper end of valve body 102 is formed with limit hole 42, and protrusion 13 can extend into limit hole 42, and opposite valve body limits, Rotation displacement of the valve module relative to valve body can be limited.

In Figure 27, thermal management assemblies 10, including heat exchanger 20, valve body 102 and valve module 101,101 or more institute of valve module The valve module stated, heat exchanger 20 include connector 201, and working media passes through the into and out heat exchanger 20 of connector 201, valve body 102 are fixedly connected with heat exchanger 20, and valve body 102 includes the first circulation passage and the second circulation passage, connector 201 and first Circulation passage or the connection of the second circulation passage, as described above, valve body is formed with the first installation cavity, at least partly valve seat is located at valve body First installation cavity, thermal management assemblies include locating part, and valve body includes mounting hole, and locating part is inserted into mounting hole, locating part and recess portion Side wall abuts, and locating part limits axial movement distance of the valve module with respect to valve body, and locating part is connect with valve body screw thread.

It should be understood that above embodiments are merely to illustrate the utility model and not limit described by the utility model Technical solution, although this specification has been carried out detailed description to the utility model referring to the above embodiments, this Field it is to be appreciated by one skilled in the art that person of ordinary skill in the field still can modify to the utility model Or equivalent replacement, and the technical solution and its improvement of all spirit and scope for not departing from the utility model, it should all cover In the scope of the claims of the utility model.

Claims (9)

1. a kind of motor-driven valve, the motor-driven valve includes valve module and valve body, and the valve module is connected with valve body, the valve module packet Stator module, the first component and control unit are included, the first component includes rotor assembly, casing, valve seat, valve body and valve Core, the stator module are located at the outside of the rotor, and the rotor assembly is located on the inside of described sleeve pipe, and the valve seat has valve Mouthful, the rotor is able to drive the relatively described valve port movement of the spool, it is characterised in that: the motor-driven valve further includes limit Part, at least partly described valve seat are inserted into the valve body, and the valve module includes the recess portion for forming in the valve seat periphery, the limit Position part protrudes into valve body and is inserted into the recess portion, limits axial displacement of the valve module relative to the valve body.

2. motor-driven valve according to claim 1, it is characterised in that: the recess portion includes at least extension, the locating part It is contacted with the extension, the locating part and extension cooperation limit the valve module and turn relative to the valve body Dynamic, the valve body includes mounting hole, and the locating part passes through the mounting hole and protrudes into the recess portion, the part of the locating part Outer surface abuts setting with the recess portion.

3. motor-driven valve according to claim 2, it is characterised in that: the recess portion includes the first recess portion and the second recess portion, institute The extending direction for stating the first recess portion is identical with the extending direction of second recess portion, first recess portion and second recess portion position In the valve seat two sides, first recess portion is not connected to setting with second recess portion, and the locating part includes second, at least Part second periphery is formed with external screw thread, and the mounting hole includes first segment, and at least partly first segment is threaded hole, The locating part includes the first locating part and the second locating part, and the mounting hole includes the first mounting hole and the second mounting hole, institute The first locating part is stated to be inserted into first mounting hole and connect with the valve body screw thread, the partial outer face of first locating part It is contacted with first recess portion, second locating part is inserted into second mounting hole and connect with the valve body screw thread, described The partial outer face of second locating part is contacted with second recess portion.

4. motor-driven valve according to claim 2, it is characterised in that: the recess portion includes the first recess portion and the second recess portion, institute The extending direction for stating the first recess portion is identical with the extending direction of second recess portion, first recess portion and second recess portion position In the valve seat two sides, not in contact with setting, the locating part is formed for plastic material for first recess portion and second recess portion Rod-like structure, the locating part includes the first locating part and the second locating part, and the mounting hole includes the first mounting hole and the Two mounting holes, first locating part are inserted into first mounting hole and with the valve body by melting first locating part End is fixedly connected, and the partial outer face of first locating part contacts limit, second locating part with first recess portion It is inserted into second mounting hole and is connect with the valve body by melting the end of second locating part, second locating part Partial outer face contact limit with second recess portion.

5. motor-driven valve according to claim 1, it is characterised in that: the recess portion includes the ring around the periphery of the valve seat Connected in star, the valve body include mounting hole, and the locating part passes through the mounting hole and protrudes into the recess portion, the locating part Partial outer face abuts setting with the recess portion.

6. motor-driven valve according to claim 5, it is characterised in that: the locating part includes second, at least partly described Second periphery is formed with external screw thread, and the mounting hole includes threaded hole, and the locating part includes the first locating part and second Locating part, the mounting hole include the first mounting hole and the second mounting hole, and first locating part is inserted into first mounting hole And connect with the valve body screw thread, second locating part is inserted into second mounting hole and connect with the valve body screw thread, institute Recess portion is stated between first locating part and second locating part, the partial outer face of first locating part with it is described The contact of recess portion limits, partial outer face contact with recess portion limit of second locating part.

7. motor-driven valve according to claim 1, it is characterised in that: the valve body forms fluted, the center of circle of the recess portion It is arranged concentrically with the center of circle of the groove, limit position circlip, the circlip protrudes into the groove, in the same of the circlip The part inner peripheral surface of one circumference, the circlip is abutted with the recess portion, and the portion perimeter face of the circlip is corresponding with the groove Valve body abut.

8. according to the described in any item motor-driven valves of claim 3 to 6, it is characterised in that: the mounting hole further includes second, institute Second and described first coaxial arrangement are stated, one end of the locating part passes through described first and protrudes into described second simultaneously It is supported in the valve body.

9. a kind of thermal management assemblies, including heat exchanger and motor-driven valve, the motor-driven valve is described in any one of claim 1 to 8 Motor-driven valve, the heat exchanger includes connector, and working media is described by the into and out heat exchanger of the connector Valve body is fixed with the heat exchanger, the valve body include the first circulation passage and the second circulation passage, the connector with it is described First circulation passage or the connection of the second circulation passage, the valve body are formed with the first installation cavity, and at least partly described valve seat is located at First installation cavity.