CN208651778U - A kind of motor-driven valve - Google Patents

A kind of motor-driven valve Download PDF

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Publication number
CN208651778U
CN208651778U CN201821130361.8U CN201821130361U CN208651778U CN 208651778 U CN208651778 U CN 208651778U CN 201821130361 U CN201821130361 U CN 201821130361U CN 208651778 U CN208651778 U CN 208651778U
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China
Prior art keywords
valve
wall
welded
valve rod
fixed
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CN201821130361.8U
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Chinese (zh)
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不公告发明人
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Zhejiang Sanhua Commercial Refrigeration Co ltd
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Zhejiang Sanhua Refrigeration Group Co Ltd
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Priority to CN201821130361.8U priority Critical patent/CN208651778U/en
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Abstract

The utility model discloses a kind of motor-driven valves, including control unit, housing parts, gear reduction, control unit includes cover, rotor part, gear reduction includes gear ring, output gear wheel carrier, gear ring is welded and fixed with housing parts, the lower end of gear ring is equipped with recess portion, and output gear wheel carrier includes protrusion, and protrusion is placed in recess portion and circumferentially rotates stroke with limit output gear wheel carrier.

Description

A kind of motor-driven valve
Technical field
The utility model relates to fluid control technology fields, and in particular to a kind of motor-driven valve.
Background technique
In refrigerating circulatory device, generallys use motor-driven valve and realize completely open and close and adjust the function of cold medium flux, motor-driven valve Generally transmission shaft is driven to move using driving device, transmission shaft drives valve core movement again to realize above-mentioned function.How biography is limited The movement travel of moving axis, and then the movement travel of spool is limited to realize what above-mentioned function to be thought deeply for those skilled in the art Problem.
Utility model content
The purpose of the utility model is to provide a kind of motor-driven valve, including control unit, housing parts, gear reduction, Valve part, the control unit include cover, rotor part, and the cover is welded and fixed with the housing parts, and described turn Subassembly is set in the cover;The gear reduction includes input gear portion, gear ring, output gear wheel carrier, described defeated Enter gear part to connect with the rotating shaft transmission of the rotor part, the gear ring is welded and fixed with the housing parts, the tooth The lower end of wheel rim is equipped with recess portion, and the output gear wheel carrier includes discshaped body portion and protrusion, and the protrusion is set to the disk The circumferential outer rim of shape body part, the protrusion are placed in the recess portion and circumferentially rotate stroke with limit the output gear wheel carrier; The valve part includes valve body, spool, valve rod, and the valve rod is able to drive the spool and circumferentially rotates, the valve body and institute Housing parts are stated to be welded and fixed, the spool is set to the inner cavity of the valve part, the valve rod towards the control unit One end be equipped with the first key axle portion, the first key axle portion protrudes into the centre bore in the discshaped body portion, the output gear wheel carrier The valve rod is able to drive to circumferentially rotate.
Motor-driven valve provided by the utility model, including control unit, housing parts, gear reduction, valve part, Control unit includes cover, rotor part, and gear reduction includes gear ring, output gear wheel carrier, gear ring and housing parts It is welded and fixed, the lower end of gear ring is equipped with recess portion, and output gear wheel carrier includes protrusion, and protrusion is placed in recess portion to limit output gear Wheel carrier circumferentially rotates stroke, and the valve rod that output gear wheel carrier is able to drive valve part circumferentially rotates.
Detailed description of the invention
A kind of Fig. 1: diagrammatic cross-section of motor-driven valve provided by the utility model;
The structural schematic diagram of upper housing portion in Fig. 2: Fig. 1;
The structural schematic diagram of bottom housing part in Fig. 3: Fig. 1;
The cooperation schematic diagram of shaft and input gear portion in Fig. 4: Fig. 1;
The assembly semi-cutaway of control unit and upper housing portion in Fig. 5: Fig. 1;
Fig. 6: Fig. 1 middle gear deceleration mechanism, the assembly semi-cutaway of valve part and bottom housing part;
The structural schematic diagram of Fig. 7: Fig. 1 middle gear circle;
The structural schematic diagram of output gear wheel carrier in Fig. 8: Fig. 1;
The structural schematic diagram of valve rod external member in Fig. 9: Fig. 1;
The cooperation schematic diagram of Figure 10: Fig. 1 middle gear circle, output gear wheel carrier and valve rod external member;
The structural schematic diagram of valve rod in Figure 11: Fig. 1;
Figure 12: the structural schematic diagram for another output gear wheel carrier that the utility model provides;
Figure 13: the structural schematic diagram for the third output gear wheel carrier that the utility model provides;
The cooperation schematic diagram of output gear wheel carrier and gear ring shown in Figure 14: Figure 13.
Fig. 1 is into Figure 14:
1- control unit;
11- cover, 12- coil;
13- rotor part, 131- bracket, 132- magnet steel, 14- shaft, 141- axis body;
15- driver plate, 151- matrix part, 152- board body part, 1521- sidewall portion;
16- support frame, 17- spring, 18- bearing block;
2- gear reduction;
23- valve rod, the first key of 231- axle portion, the second key of 232- axle portion, 233- curved end;
24- planetary gear mechanism, 241- input gear portion;
242- groove, 2421- cell wall portion, 243- input gear, 244- planetary gear;
245- large-diameter portion, 246- small diameter portion;
247- first axle bearing member, 2471- flange part;
248- cover board, 2481- through-hole;
25- gear ring, 251- recess portion, the first inner wall of 252-, the second inner wall of 253-;
26- output gear wheel carrier, 261- discshaped body portion;
262- centre bore, 263/263 '-protrusion, 264- boss;
27- valve rod external member, 271- cylindrical portion, 272- extension;
3- valve part, 31- valve body, 311- body part, 312- extension;
32- spool, 321- slot, the first valve seat of 33-, 33 '-the second valve seats;
34- gasket, 35-O type circle, the adapter tube of 36- first, 37- second take over;
4- housing parts, 41- upper housing portion, 42- bottom housing part;
411- bending part, 412- taper portion, turn of bilge in 413-;
414- stage portion, 415- reducing diameter part, 416- transition part.
Specific embodiment
The core of the application is to provide a kind of motor-driven valve, including gear reduction, and gear reduction includes gear ring It is equipped with recess portion with the lower end of output gear wheel carrier, gear ring, output gear wheel carrier includes protrusion, and it is defeated to limit that protrusion is placed in recess portion Tooth rest circumferentially rotates stroke out.
In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and specific implementation The utility model is described in further detail for mode.
What needs to be explained here is that upper and lower equal nouns of locality involved in herein be with Fig. 1 into Figure 14 components position In figure and position that components are mutual defines, only for the purpose of expressing the technical solution clearly and conveniently.It should manage Solution, the noun of locality employed herein should not limit the claimed range of the application.
Fig. 1 is a kind of diagrammatic cross-section of motor-driven valve provided by the utility model;Fig. 2 is the structure of upper housing portion in Fig. 1 Schematic diagram;Fig. 3 is the structural schematic diagram of bottom housing part in Fig. 1;Fig. 4 is the cooperation schematic diagram of shaft and input gear portion in Fig. 1; Fig. 5 is the assembly semi-cutaway of control unit and upper housing portion in Fig. 1;Fig. 6 be Fig. 1 middle gear deceleration mechanism, valve part and under The assembly semi-cutaway of housing section;Fig. 7 is the structural schematic diagram of Fig. 1 middle gear circle;Fig. 8 are as follows: the structure of output gear wheel carrier is shown in Fig. 1 It is intended to;Fig. 9 is the structural schematic diagram of valve rod external member in Fig. 1;Figure 10 is Fig. 1 middle gear circle, output gear wheel carrier and valve rod external member Cooperate schematic diagram;Figure 11 is the structural schematic diagram of valve rod in Fig. 1;Figure 12 is another output gear wheel carrier that the utility model provides Structural schematic diagram;Figure 13 is the structural schematic diagram for the third output gear wheel carrier that the utility model provides;Figure 14 is in Figure 13 Shown in output gear wheel carrier and gear ring cooperation schematic diagram.
As shown in Fig. 1, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Figure 11 and Figure 12, motor-driven valve includes control unit 1, gear reduction 2, valve part 3, housing parts 4.
Control unit 1 includes cover 11, coil 12, rotor part 13.Cover 11 is in bottomed tube, by stainless steel material system At, be specifically made of stainless steel materials punching press, coil 12 is set in the periphery of the cover 11, rotor part 13 include shaft 14, The bracket 131 of plastic material and magnet 132 set on 131 periphery of bracket, magnet 132 are made up of magnetic powder sintering, shaft 14 Rod-shaped axis body 141 is processed by stainless steel bar, by the way that axis body 141, magnet 132 are put into die cavity, then is infused in die cavity Mould bracket 131 axis body 141, magnet 132 is fixed.The inner upper of cover 11 is fixed with bearing block 18, and bearing block 18 is equipped with Central blind hole, the upper end of shaft 14 are inserted into the central blind hole and are positioned.Coil 12 is powered, being capable of the circumferential rotation of drive shaft 14 Turn.
Gear reduction 2 is planetary gear mechanism 24 comprising input gear portion 241, gear ring 25 and output gear Frame 26, shaft 14 and input gear portion 241 are sequentially connected, and transmission connection herein refers to: shaft 14 interconnected and input Gear part 241 is circumferential both to have certain free gap, and shaft 14 is able to drive the rotation of input gear portion 241, gear ring 25 again It is welded and fixed with housing parts 4, the lower end of gear ring 25 is equipped with recess portion 251, and output gear wheel carrier 26 includes 261 He of discshaped body portion Protrusion 263 ', discshaped body portion 261 are equipped with centre bore 262, the cross section of centre bore 262 be it is non-circular, protrusion 263 ' is set Circumferential outer rim in discshaped body portion, protrusion 263 ', which is placed in the recess portion 251 of gear ring 25, can limit plate-like body part 261 Circumferentially rotate stroke.
Valve part 3 includes valve body 31, spool 32, valve rod 23, valve rod external member 27, the first valve seat 33 and the second valve seat 33 '. Valve body 31 is substantially in hollow tubular, and one end of the first valve seat 33 and valve body 31 is by being welded and fixed, the second valve seat 33 ' and valve body 31 The other end by being welded and fixed.Spool 32 be it is spherical, in the inner cavity of valve part 3, be located at the first valve seat 33 and the Between two valve seats 33 '.Valve body 31 includes body part 311 and the outwardly extending extension 312 of circumferential outer rim from body part 311, Extension 312 is substantially in hollow tubular.Valve rod 23 runs through extension 312, and the upper end of valve rod 23 includes the first key axle portion 231, the The cross section of one key axle portion 231 be it is non-circular, protrude into gear reduction 2 and with 262 key of the centre bore of output gear wheel carrier 26 Slot connection, output gear wheel carrier 26 is able to drive valve rod 23 and circumferentially rotates, and the lower end of valve rod 23 includes the second key axle portion 232, and second Key axle portion 232 is equipped with curved end 233, and the slot bottom of the slot 321 of spool 32 is arc, and curved end 233 protrudes into the slot 321, arc Shape end 233 is connect with 321 keyway of slot of spool 32, and valve rod 23 is able to drive spool 32 and circumferentially rotates.
As shown in Figure 1, Figure 2, Figure 3 shows, housing parts 4 include upper housing portion 41 and bottom housing part 42, cover 11, upper housing portion 41 and bottom housing part 42 by stainless steel materials stretching be made, the body part 311 and extension 312 of valve body 31 are by stainless steel pipe one Body punching press is made, naturally it is also possible to be welded again by stainless steel materials elder generation crimping and stainless steel pipe is made, then weld stainless steel It connects tube stamping and valve body 31 is made.Upper housing portion 41 passes through with cover 11 to be welded and fixed, the lower end outer rim and lower casing of gear ring 25 The inner wall in body portion 42 is welded and fixed, and bottom housing part 42 includes reducing diameter part 415, the weldering of extension 312 of the reducing diameter part 415 and valve body 31 Connect fixation.
The motor-driven valve of the present embodiment provides a kind of means of retention of new gear reduction, compact-sized, zero Part is few.
Further, as shown in Fig. 7, Figure 14, recess portion 251 includes the first inner wall 252 and the second inner wall 253, the first inner wall The angle theta that the plane where plane and the second inner wall 253 where 252 is formed is 90 degree, and recess portion 251 is 2, and opposed gear The setting substantially symmetrical about its central axis of circle 25.It is arranged such, it is ensured that output gear frame 26 circumferentially rotates in the range of 0-90 °, i.e., really Protecting spool can circumferentially rotate in the range of 0-90 °, can limit the standard-sized sheet and closed positions of spool, realize the complete of motor-driven valve Open, entirely close and flow regulating function.
Further, as shown in figure 13, protrusion 263 ' is 2, and opposite the substantially symmetrical about its central axis of discshaped body portion 261 sets It sets, so set, being conducive to output gear wheel carrier circumferentially rotates steady, limit reliably.Further, the court in discshaped body portion 261 It is additionally provided with boss 264 to the side of spool 32, which is connected with protrusion 263 ', protrusion 263 ', boss 264 It is integrally formed with discshaped body portion 261 by plastics integrated injection molding or by metal powder metallurgy, is conducive to enhancing output The intensity of tooth rest makes to limit relatively reliable.
Further, as shown in Fig. 2, the inside bending in the upper end of upper housing portion 41 forms bending part 411, bending part 411 is wrapped Taper portion 412, interior turn of bilge 413 and the transition part 416 for connecting taper portion 412 and interior turn of bilge 413 are included, interior turn of bilge 413 is from transition part 416 one end is extended axially downward along motor-driven valve, and interior turn of bilge 413 is bonded and is welded in the lower end outer rim of cover 11.So set It sets, swells the upper end of upper housing outward, the beneficial effect is that, increase upper housing intensity, even if being rushed by stronger refrigerant Hitting power will not damage easily.
Further, as shown in figure 3, the wall thickness of bottom housing part 42 is greater than upper housing portion 41.The upper end of bottom housing part 42 is set There is the stage portion 414 that step is face-up, upper housing portion 41 is placed in stage portion 414 and by being welded and fixed.Stage portion is set, is had Beneficial effect is, positioning is easy when the two is welded, and guarantees welding quality.
As shown in figure 4, shaft 14 includes rod-shaped axis body 141 and the driver plate 15 for being fixedly installed on 141 lower end of axis body, Driver plate 15 includes matrix part 151 and the board body part 152 to extend radially outwardly from the matrix part 151, matrix part 151 and axis body 141 by being clamped or being welded and fixed, and board body part 152 includes sidewall portion 1521.The upper end in input gear portion 241 is equipped with groove 242, Lower end is equipped with input gear 243, and input gear 243 is engaged with the planetary gear 244 of gear reduction 2.Board body part 152 is at least Partially protrude into the groove 242, groove 242 includes the cell wall portion 2421 that can abut with sidewall portion 1521, cell wall portion 2421 and There is preset circumferential mobile space between sidewall portion 1521.Shaft 14 rotates, the sidewall portion 1521 and groove of board body part 152 242 cell wall portion 2421 abuts, so that input gear portion 241 be driven to circumferentially rotate.Pass through the board body part and groove in driver plate Between circumferential mobile space is set, both make to be flexibly connected, the machining accuracy of driver plate and groove and the control of assembly can be reduced Precision processed promotes the qualification rate of assembly to reduce manufacturing cost.
Further, as shown in Fig. 1, Fig. 6, in the present embodiment, input gear portion 241 includes large-diameter portion 245 and path Portion 246, above-mentioned groove 242 are set to the upper end of large-diameter portion 245, and above-mentioned input gear 243 is set to the lower end of small diameter portion 246.Path The outer rim in portion 246 is arranged with first axle bearing member 247, and first axle bearing member 247 is equipped with flange part 2471, and the first axle bearing member 247 is logical It crosses wear-resistant material to be made, the lower end surface of the upper end face contact large-diameter portion 245 of first axle bearing member 247, the lower end surface of flange part 2471 The cover board 248 of planetary gear mechanism 24 is contacted, the lower end of first axle bearing member 247 passes through the through-hole 2481 of cover board 248.By defeated The periphery for entering the small diameter portion 246 of gear part 241 is arranged first axle bearing member 247, is on the one hand conducive to support input gear portion, another Aspect advantageously reduces the abrasion during input gear portion circumferentially rotates, and increases its service life.
In addition, as shown in figure 5, control unit 1 further includes support frame 16, spring 17 and second bearing part (not shown).The Two bearing parts are made of wear-resistant material powder metallurgy, are arranged axis body 141 and are placed on support frame 16.Support frame 16 is substantially in The cup-shaped set, the support frame 16 are placed in above-mentioned flange part 2471 or above-mentioned cover board 248.Spring 17 is arranged axis body 141, and one end is supported Second bearing part is connect, the other end abuts the bracket 131 of rotor part 13.It is of course also possible to cancel second bearing part, spring 17 One end directly abuts support frame 16.In the present embodiment, rotor part 13 is supported in by cover 11 by the elastic force of spring 17 It is interior.Since spring 17 and the contact area of second bearing part, bracket 131 are small, and second bearing part is made of wear-resistant material, so Setting, can reduce the abrasion of spring 17 Yu bracket 131, increase its service life, be also beneficial to reduce the energy consumption of coil 12.
As shown in Figure 1, the outer wall welding of the reducing diameter part 415 of the inner wall of the extension 312 of valve body 31 and bottom housing part 42 is solid It is fixed, valve rod external member 27 is equipped between reducing diameter part 415 and valve rod 23;It is of course also possible to be the outer wall and reducing diameter part of extension 312 415 inner wall is welded and fixed, and valve rod external member 27 is arranged between extension 312 and valve rod 23.Valve rod external member 27 is by wear-resistant material powder Last metallurgy is made, and valve rod 23 can be circumferentially rotated relative to valve rod external member 27.The beneficial effect of such setting is, lowers valve rod 23 abrasion during circumferentially rotating improves its service life.
Certainly, as another embodiment, as shown in Fig. 7, Fig. 8, Fig. 9, Figure 10, valve rod external member 27 includes cylindrical portion 271 and the extension 272 that extends radially outwardly from the outer rim of cylindrical portion 271, the outer end edges and bottom housing part of the extension 272 42 inner wall is welded and fixed.One end of the separate cylindrical portion 271 of extension 272 and 251 keyway of recess portion cooperate, extension 272 The other end and protrusion 263 cooperate can limit output gear wheel carrier 26 to circumferentially rotate stroke.
In the embodiment above, it is welded and fixed since the extension of valve rod external member passes through with bottom housing part, on the one hand passes through The recess portion keyway of extension and gear ring cooperation, so that gear ring is circumferentially limited, on the other hand by extension to protrusion It is limited, to limit the stroke that circumferentially rotates of output gear wheel carrier, that is, limits the stroke that circumferentially rotates of valve rod, so The fully open position and closed positions that spool can be limited are set, realize standard-sized sheet, full pass and the flow regulating function of motor-driven valve.
Further, above-mentioned protrusion 263 is set as 2, and the setting substantially symmetrical about its central axis of opposite centre bore 262, so Setting is conducive to output gear wheel carrier and circumferentially rotates steady, limit reliably.And protrusion 263 and discshaped body portion 261 pass through modeling Expect integrated injection molding or be integrally formed by metal powder metallurgy, is conducive to the intensity for enhancing output gear wheel carrier, makes limit more Add reliable.
In conjunction with above-mentioned specific embodiment, a kind of manufacturing method of the motor-driven valve of typical structure is described below.
Step A10:
Prepare control unit 1, comprising: cover 11, coil 12, rotor part 13, support frame 16, spring 17, bearing block 18, Wherein, shaft 14 includes axis body 141 and driver plate 15, and rotor part 13 passes through injection molding by bracket 131, magnet 132 and axis body 141 It is affixed integral;
Prepare gear reduction 2, comprising: planetary gear mechanism 24, first axle bearing member 247, valve rod external member 27, wherein Planetary gear mechanism 24, first axle bearing member 247 and valve rod external member 27 are processed into for ferrous based powder metallurgical;
Prepare valve part 3, comprising: valve body 31, valve rod 23, spool 32, the first valve seat 33, the second valve seat 33 ', gasket 34, O-ring 35, the first adapter tube 36, the second adapter tube 37, wherein valve body 31 is made up of stainless steel pipe punching press, can also first by Stainless steel pipe is made in stainless steel materials crimping and welding, then valve body 31 is made in the welding tube stamping, and valve rod 23 is stainless Rod iron material is made up of milling machine Milling Process, and the first valve seat 33 and the second valve seat 33 ' are made of stainless steel Vehicle Processing;
Housing parts 4, including upper housing portion 41, bottom housing part 42 are prepared, upper housing portion 41, bottom housing part 42 pass through stainless Steel board stretching is made;
Optionally, upper housing portion 41 first can be made in the inside tensile foldable in stainless steel materials one end, the upper end passes through bending Form taper portion 412, transition part 416 and interior turn of bilge 413.By metal-removing process, in the upper end outer rim vehicle of bottom housing part 42 A step is processed, stage portion 414 is formed, for placing upper housing portion 41.
Step A20:
Bottom housing part 42, valve body 31, the first valve seat 33,36 furnace brazing of the first adapter tube is integral.In valve body 31 according to Secondary loading side O-ring 35, side gasket 34, spool 32, other side gasket 34, other side O-ring 35, the second valve seat 33';Valve rod 23 is protruded into from the reducing diameter part 415 of bottom housing part 42, and the second key axle portion 232 of 23 lower end of valve rod is inserted into valve The slot 321 of core 32 makes valve rod 23 be able to drive spool 32 and circumferentially rotates;Valve body 31, the second valve seat 33 ', second are connect again later Pipe 37 is affixed integral by argon arc welding or Laser Welding.It is fixed by multiple part by one-step welding manners, process is simple, product It is highly reliable.Step A30:
The cylindrical portion 271 of valve rod external member 27 is arranged valve rod 23, then by the outer rim of the extension 272 of valve rod external member 27 under The inner wall of housing section 42 is affixed integral by Laser Welding;
Gear reduction 2 is packed into bottom housing part 42, the first key axle portion 231 of 23 upper end of valve rod is inserted into output gear wheel carrier 26 centre bore 262 makes output gear wheel carrier 26 be able to drive valve rod 23 and circumferentially rotates.So far first assembly is formed.
Step A40:
Cover 11 is affixed by furnace brazing with upper housing portion 41.
Step A50:
Bearing block 18, rotor part 13, spring 17, support frame 16 will be packed into cover 11, again by driver plate 15 after installing Pass through the second component of the affixed formation of Laser Welding with the lower end of axis body 141.
Step A60:
First assembly and the second component are assembled, specifically, the driver plate 15 of shaft 14 is inserted into gear reduction 2 The groove 242 in input gear portion 241;Upper housing portion 41 is placed in the stage portion 414 of bottom housing part 42, then by upper housing portion 41 with Bottom housing part 42 is affixed integral by Laser Welding, then coil 12 is sheathed on cover 11 and forms motor-driven valve.
It should be appreciated by those skilled in the art the technical ideas based on the utility model, in the base of above-mentioned technical proposal On plinth, a variety of assemble sequences and assembly variation can be extended.As step A20, step A30 and step A40, step A50 can be mutual It changes, the technical effect without influencing the utility model.
The manufacturing method of the motor-driven valve of the present embodiment is fixed by the disposable welding manner of multiple components, and process is simple, Product reliability is strong;It is fixedly connected by furnace brazing, argon arc welding, Laser Welding, production technology clean and environmental protection.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments Explanation be merely used to help understand the method and its core concept of the utility model.It should be pointed out that for the art For those of ordinary skill, without departing from the principle of this utility model, several change can also be carried out to the utility model Into and modification, modifications and modifications also fall within the protection scope of the claims of the utility model.

Claims (11)

1. a kind of motor-driven valve, including control unit, housing parts, gear reduction, valve part, which is characterized in that
The control unit includes cover, rotor part, and the cover is welded and fixed with the housing parts, the rotor part In the cover;
The gear reduction includes input gear portion, gear ring, output gear wheel carrier, the input gear portion and the rotor The rotating shaft transmission of component connects, and the gear ring is welded and fixed with the housing parts, and the lower end of the gear ring is equipped with recess portion, The output gear wheel carrier includes discshaped body portion and protrusion, and the protrusion is set to the circumferential outer rim in the discshaped body portion, The protrusion is placed in the recess portion and circumferentially rotates stroke with limit the output gear wheel carrier;
The valve part includes valve body, spool, valve rod, and the valve rod is able to drive the spool and circumferentially rotates, the valve body Be welded and fixed with the housing parts, the spool is set to the inner cavity of the valve part, the valve rod towards the control One end of component is equipped with the first key axle portion, and the first key axle portion protrudes into the centre bore in the discshaped body portion, the output gear Wheel carrier is able to drive the valve rod and circumferentially rotates.
2. motor-driven valve as described in claim 1, which is characterized in that the recess portion includes the first inner wall, the second inner wall, and described the The angle theta that the plane where plane and second inner wall where one inner wall is formed is 90 degree, and the recess portion is 2, and phase Setting substantially symmetrical about its central axis to the gear ring.
3. motor-driven valve as described in claim 1, which is characterized in that the protrusion is 2, and in the relatively described centre bore Mandrel is symmetrical arranged, and the discshaped body portion is equipped with boss, the boss and the protrusion phase towards the side of the spool Even, the boss, the protrusion and the discshaped body portion are integrally formed.
4. motor-driven valve as described in claim 1, which is characterized in that the valve part further includes the first valve seat, the second valve seat, The valve body is substantially tubular, and one end of first valve seat and the valve body is welded and fixed, second valve seat and the valve The other end of body is welded and fixed, and the valve body includes body part and the extension from the stretching of the circumferential outer rim of the body part, institute Stating housing parts includes upper housing portion, bottom housing part, and the upper housing portion is welded and fixed with the cover, under the gear ring End outer rim and the inner wall of the bottom housing part are welded and fixed, and the bottom housing part includes reducing diameter part, and the reducing diameter part is stretched with described Portion is welded and fixed out, and the upper housing portion is made with the bottom housing part of stainless steel material stretching, and described of the valve body Body portion and the extension are made of stainless steel material integrated punching.
5. motor-driven valve as claimed in claim 4, which is characterized in that the outer wall of the inner wall of the extension and the reducing diameter part welds Fixation is connect, valve rod external member is equipped between the reducing diameter part and the valve rod, or, the outer wall of the extension and the reducing diameter part Inner wall is welded and fixed, and valve rod external member is equipped between the extension and the valve rod, the valve rod external member is by wear-resistant material powder Metallurgy is made, and the valve rod can be circumferentially rotated relative to the valve rod external member, the separate control unit of the valve rod One end includes the second key axle portion, and the second key axle portion is equipped with curved end, and the curved end protrudes into the slot of the spool.
6. motor-driven valve as claimed in claim 4, which is characterized in that the upper end of the upper housing portion includes inside bending part, The bending part includes taper portion, transition part and interior turn of bilge, and the transition part connects the taper portion and the interior turn of bilge, described Interior turn of bilge extending axially downward along the motor-driven valve from one end of the transition part, the interior turn of bilge and cover welding are solid It is fixed.
7. motor-driven valve as claimed in claim 4, which is characterized in that the wall thickness of the bottom housing part is greater than the upper housing portion, The upper end of the bottom housing part is equipped with the face-up stage portion of step, and the upper housing portion is placed in the stage portion, the upper casing Body portion is welded and fixed with the stage portion.
8. motor-driven valve as described in claim 1, which is characterized in that the shaft includes axis body, solid with the lower end of the axis body Surely the driver plate connected, the driver plate include the matrix part being fixedly connected with the axis body lower end and outside from described matrix portion The board body part of extension, the board body part include sidewall portion, and the upper end in the input gear portion is equipped with groove, and lower end is equipped with input tooth Wheel, the board body part are extending at least partially into the groove, and the groove includes the cell wall portion that can be abutted with the sidewall portion, There is circumferential mobile space between the cell wall portion and the sidewall portion.
9. motor-driven valve as claimed in claim 8, which is characterized in that the gear reduction is planetary gear mechanism, described Input gear portion includes large diameter portion and small diameter portion, and the groove is set to the upper end of the large-diameter portion, and the input gear is set to institute The lower end of small diameter portion is stated, the periphery of the small diameter portion is arranged with first axle bearing member, and the first axle bearing member includes flange part, described The lower end surface of large-diameter portion described in the upper end face contact of first axle bearing member, planetary gear machine described in the lower end face contact of the flange part The cover board of structure, the lower end of the first axle bearing member pass through the through-hole of the cover board.
10. motor-driven valve as described in claim 1, which is characterized in that the shaft includes axis body, solid with the lower end of the axis body Surely the driver plate connected, the input gear portion includes large diameter portion and small diameter portion, and the periphery of the small diameter portion is arranged with first axle Bearing member, the first axle bearing member includes flange part, the lower end surface of large-diameter portion described in the upper end face contact of the first axle bearing member, institute State the cover board of gear reduction described in the lower end face contact of flange part, the control unit further includes support frame, spring, described Support frame is substantially in inverted cup-shaped, and support frame as described above is placed in the flange part or the cover board, and the spring is arranged the axis Body, one end of the spring directly or indirectly abut support frame as described above, and the other end abuts the bracket of the rotor part.
11. motor-driven valve as described in claim 1, which is characterized in that the recess portion includes the first inner wall, the second inner wall, described The angle theta that the plane where plane and second inner wall where first inner wall is formed is 90 degree, and the recess portion is 2, and The setting substantially symmetrical about its central axis of the relatively described gear ring;
The protrusion is 2, and the setting substantially symmetrical about its central axis of the relatively described centre bore, and the discshaped body portion is towards the valve The side of core is equipped with boss, and the boss is connected with the protrusion, the boss, the protrusion and the discshaped body portion It is integrally formed;
The valve part further includes the first valve seat, the second valve seat, and the valve body is substantially tubular, first valve seat with it is described One end of valve body is welded and fixed, and the other end of second valve seat and the valve body is welded and fixed, and the valve body includes body part With the extension stretched out from the circumferential outer rim of the body part, the housing parts include upper housing portion, bottom housing part, it is described on Housing section is welded and fixed with the cover, and the lower end outer rim of the gear ring and the inner wall of the bottom housing part are welded and fixed, institute Stating bottom housing part includes reducing diameter part, and the reducing diameter part is welded and fixed with the extension, the upper housing portion and the lower case Portion is made of stainless steel material stretching, and the body part and the extension of the valve body are by stainless steel material integrated punching system At;
The inner wall of the extension and the outer wall of the reducing diameter part are welded and fixed, and valve is equipped between the reducing diameter part and the valve rod Rod set part, or, the outer wall of the extension and the inner wall of the reducing diameter part are welded and fixed, between the extension and the valve rod Equipped with valve rod external member, the valve rod external member is made of wear-resistant material powder metallurgy, and the valve rod can be relative to the valve stem sleeve Part circumferentially rotates, and one end far from the control unit of the valve rod includes the second key axle portion, and the second key axle portion is equipped with Curved end, the curved end protrude into the slot of the spool.
CN201821130361.8U 2018-07-17 2018-07-17 A kind of motor-driven valve Active CN208651778U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112081978A (en) * 2019-06-14 2020-12-15 浙江三花制冷集团有限公司 Control valve
CN112824718A (en) * 2019-11-20 2021-05-21 浙江三花制冷集团有限公司 Electric valve
WO2021169037A1 (en) * 2020-02-28 2021-09-02 浙江三花制冷集团有限公司 Electric valve
KR20220002612A (en) * 2019-06-21 2022-01-06 저장 산후아 클라이메이트 앤드 어플라이언스 컨트롤스 그룹 컴퍼니 리미티드 electric valve
CN114041025A (en) * 2019-11-20 2022-02-11 浙江三花制冷集团有限公司 Electric valve
CN114041025B (en) * 2019-11-20 2024-11-12 浙江三花商用制冷有限公司 Electric valve

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112081978A (en) * 2019-06-14 2020-12-15 浙江三花制冷集团有限公司 Control valve
CN112081978B (en) * 2019-06-14 2022-10-18 浙江三花商用制冷有限公司 Control valve
KR20220002612A (en) * 2019-06-21 2022-01-06 저장 산후아 클라이메이트 앤드 어플라이언스 컨트롤스 그룹 컴퍼니 리미티드 electric valve
JP2022529193A (en) * 2019-06-21 2022-06-17 浙江三花制冷集団有限公司 Solenoid valve
EP3988828A4 (en) * 2019-06-21 2023-07-12 Zhejiang Sanhua Climate & Appliance Controls Group Co., Ltd. Electric valve
JP7369894B2 (en) 2019-06-21 2023-10-27 チェジャン サンファ コマーシャル レフレッジレーション コントロールズ カンパニー リミテッド electric valve
US11859728B2 (en) 2019-06-21 2024-01-02 Zhejiang Sanhua Commercial Refrigeration Controls Co., Ltd. Electric valve
KR102693269B1 (en) 2019-06-21 2024-08-09 제지앙 산후아 커머셜 리프리저레이션 컨트롤즈 컴퍼니 리미티드 Electric valve
CN112824718A (en) * 2019-11-20 2021-05-21 浙江三花制冷集团有限公司 Electric valve
CN114041025A (en) * 2019-11-20 2022-02-11 浙江三花制冷集团有限公司 Electric valve
CN114041025B (en) * 2019-11-20 2024-11-12 浙江三花商用制冷有限公司 Electric valve
WO2021169037A1 (en) * 2020-02-28 2021-09-02 浙江三花制冷集团有限公司 Electric valve

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