CN109723831A - A kind of motor-driven valve and its manufacturing method - Google Patents
A kind of motor-driven valve and its manufacturing method Download PDFInfo
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- CN109723831A CN109723831A CN201711024977.7A CN201711024977A CN109723831A CN 109723831 A CN109723831 A CN 109723831A CN 201711024977 A CN201711024977 A CN 201711024977A CN 109723831 A CN109723831 A CN 109723831A
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- nut
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Abstract
The invention discloses a kind of motor-driven valve and manufacturing methods, the motor-driven valve includes: valve part, the valve part includes valve body and valve bonnet body, and the valve body includes upper canister portion, middle canister portion and lower canister portion, and the external profile diameter of the upper canister portion is less than the external profile diameter of the middle canister portion；The valve bonnet body and the outer rim of canister portion in the valve body are affixed, and the upper canister portion of the valve body protrudes into the inner cavity of the valve bonnet body, the end welding of valve base part and the valve body；The magnet rotor of transmission parts is set to the inner cavity of the valve bonnet body, screw rod protrudes into the inner cavity of the valve body from the end of the upper canister portion of the valve body and connect with the nut thread, motor-driven valve provided by the invention and its manufacturing method, pass through the optimization design to product structure, to reduce the volume, meet the use demand of the business air conditioners such as multi-connected machine.
Description
Technical field
The present invention relates to fluid control technology fields, and in particular to a kind of motor-driven valve and its manufacturing method.
Background technique
In the commercial air conditioning systems such as multi-connected machine, the multiple indoor units of outdoor unit connection are needed, so each indoor unit
Coolant loop on be required to installation flow control valve, for cut off refrigerant or adjust uninterrupted.Flow control valve is wanted
It asks as any opening degree flow, motion stability can be adjusted, and because on the coolant loop of each indoor unit is both needed to that the stream is installed
Control valve, so flow control valve is also needed to meet miniaturization and the requirement of large capacity.
Currently, direct-driven motor-operated valve can be used in order to accurately adjust cold medium flux.But due in commercializations such as multi-connected machines
In air-conditioning, the valve port area of flow control valve is larger, and the driving force needed is also larger, to obtain biggish driving force, it is necessary to
The drive system size of valve increases, and increases the overall volume of control valve.But the environmentally friendly new cooling media due to using in recent years is (such as
R290, R32 etc.) have inflammable and explosive characteristic, the coolant injection amount of valve is required, need to control certain volume with
It is interior.
In view of this, how to optimize to direct-driven motor-operated valve, reduce valve volume, in conjunction with environmentally friendly new cooling media
With preferably suitable for being a technical problem that technical personnel in the field need to solve at present in the commercial type such as multi-connected machine.
Summary of the invention
The object of the present invention is to provide a kind of motor-driven valve and its manufacturing methods to be made by the optimization design to product structure
Each parts machining is simple, whole compact assembling structure, to reduce the volume of the motor-driven valve and improve reliability, meets multi-connected machine
The use demand of equal business air conditioners preferably adapts to the requirement of feature of environmental protection refrigerant, and reduces cost of goods manufactured.
Motor-driven valve disclosed in this invention includes valve part, and the valve part includes valve body and valve bonnet body, described
Valve body includes upper canister portion, middle canister portion and lower canister portion, and the external profile diameter of the upper canister portion is less than the external profile diameter of the middle canister portion；
The valve bonnet body and the outer rim of canister portion in the valve body are affixed, and the upper canister portion of the valve body protrudes into the interior of the valve bonnet body
Chamber；Valve base part, the valve base part and canister portion under the valve body are affixed；Valve hole part, the valve hole part are set to described
The inner cavity of valve body；Transmission parts, the transmission parts include magnet rotor, screw rod and nut, and the magnet rotor is set to the valve
The inner cavity of cover, the screw rod protrude into the inner cavity of the valve body, the nut and institute from the end of canister portion on the valve body
State wire rod thread connection, the screw rod is opposite with the valve body axial restraint.
The production method of motor-driven valve provided by the invention, comprising:
Step A10: sheet metal or metal pipe material processing are prepared into valve body；
Step A20: the inner edge welding of nut set and the valve body is affixed, by the guide sleeve of spool guiding parts with
The inner edge welding of the middle canister portion of the valve body is affixed；
Step A30: the screw rod of transmission parts is protruded into the valve body from the end of the upper canister portion of the valve body
Chamber；Nut and valve hole part are assembled, assembled component is packed into the valve body from the lower canister portion of the valve body
The nut is connect by chamber with the wire rod thread；The nut and the nut set are cooperated, by the guide sleeve and institute
State valve hole part cooperation；
Step A40: valve base part and canister portion under the valve body are welded and fixed；
Step A50: valve bonnet body and valve body welding is affixed, it is set to the magnet rotor of the transmission parts described
The inner cavity of valve bonnet body.
Motor-driven valve provided by the present invention has carried out design optimization, in the fabrication process, valve body to the structure of valve body
It is stretched for sheet metal or metal pipe material is made, canister portion, middle canister portion and lower canister portion position, it is more to be fixedly connected with other on it
A functional component reduces the overall structure of product, part install compact easy to process.Position precision between each functor
It can be easily guaranteed that, valve hole part can be made to run smoothly, product reliability is improved.
Detailed description of the invention
A kind of Fig. 1: structural schematic diagram of the motor-driven valve provided by the invention under full-gear；
The structural schematic diagram in the closed valve state of motor-driven valve shown in Fig. 2: Fig. 1；
The structural schematic diagram of the valve part of motor-driven valve shown in Fig. 3: Fig. 1；
The structural schematic diagram of the valve base part of motor-driven valve shown in Fig. 4: Fig. 1；
The structural schematic diagram of the transmission parts of motor-driven valve shown in Fig. 5: Fig. 1；
The structural schematic diagram of the valve hole part of motor-driven valve shown in Fig. 6: Fig. 1；
The structural schematic diagram of the spool guiding parts of motor-driven valve shown in Fig. 7: Fig. 1；
The structural schematic diagram of the nut set of motor-driven valve shown in Fig. 8: Fig. 1；
The structural schematic diagram of the valve body of valve base part shown in Fig. 9: Fig. 4；
The structural schematic diagram of the valve port sheath of valve base part shown in Figure 10: Fig. 4；
Figure 11 a, 11b: main view, the top view of another specific embodiment of valve port sheath；
Figure 12: the structural schematic diagram for another valve base part that the present invention provides；
Figure 13: the structural schematic diagram for another nut set that the present invention provides；
Figure 14: the structural schematic diagram for the third nut set that the present invention provides；
Figure 15: the structural schematic diagram of another kind motor-driven valve provided by the invention；
Figure 16: the structural schematic diagram of the third motor-driven valve provided by the invention；
Figure 17: the structural schematic diagram for the third valve base part that the present invention provides.
Fig. 1 is into Figure 17:
10/10A- valve hole part；
11- valve core, 12- valve core housing；
13- filtration members, 14- balance channel；
15- valve core head；
20/20A/20B- valve base part；
21/21A/21B- valve body；
211- top bar portion, 212- stepped down part；
213- outer step portion, 214- lug boss；
The 215- conical surface；
22/22A- valve seat core, 221- fluting；
23- axial nipples；
24/24A/24B/24C- valve port sheath；
241- balance hole/balance channel；
243- canister portion, 244- flange part；
25- valve port pressing ring；
30- transmission parts；
31- screw rod, 32- nut；
33- bearing, 34- magnet rotor；
40- valve part；
41- valve body；
The first auxiliary section 411-, the second auxiliary section 412-；
413- third auxiliary section, the 4th auxiliary section 414-；
The 5th auxiliary section 415-, 416- valve body inner cavity；
417- intercommunicating pore；418- valve chamber；
Canister portion under canister portion, 41c- in the upper canister portion of 41a-, 41b-；
The inner cavity of 42- valve bonnet body, 421- valve bonnet body；
43- radial direction adapter tube, 44- bracket；
50/50A/50B- nut set；
51- nut limiting unit, 52- spool limiting unit；
53- bearing housing portion, the outer edge 54-；
55- cylindrical portion, 56- flat part；
57- radial direction gusset, 58- planar section；
60- spool guiding parts；
61- guide sleeve, 611- stage portion；
62- sealing element；63- elastic component, 64- gasket；
65- guide surface, 70- electromagnetic coil.
Specific embodiment
Core of the invention is to provide a kind of motor-driven valve and its manufacturing method, and the motor-driven valve is compact-sized, is simple to manufacture, respectively
Position precision between functor is easily guaranteed that product reliability is high.Another core of the invention is to provide a kind of motor-driven valve
Manufacturing method.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
What needs to be explained here is that upper and lower equal nouns of locality involved in herein be with Fig. 1 into Figure 17 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 and Fig. 2 is a kind of motor-driven valve provided by the invention structural schematic diagram under valve closing and valve opening state respectively, figure
3 be the structural schematic diagram of the valve part of motor-driven valve, and Fig. 4 is the structural schematic diagram of the valve base part of motor-driven valve, and Fig. 5 is motor-driven valve
Transmission parts structural schematic diagram, Fig. 6 be motor-driven valve valve hole part structural schematic diagram, Fig. 7 be motor-driven valve spool lead
To the structural schematic diagram of component, Fig. 8 is the structural schematic diagram of the nut set of motor-driven valve.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8.Motor-driven valve includes valve hole part 10, valve base part
20, transmission parts 30, valve part 40, nut set 50, spool guiding parts 60 and electromagnetic coil 70.
Valve part 40 includes valve body 41 and valve bonnet body 42.
The generally tubular structure of valve body 41 is easy to use compacting, punching press, rolling in specific process or squeezes whole
The manufacture of the methods of type, including upper canister portion 41a, middle canister portion 41b and lower canister portion 41c.
In the embodiment that Fig. 1 and Fig. 2 are provided, the external profile diameter of the upper canister portion 41a of three canister portion structures is minimum, lower canister portion
The external profile diameter relative maximum of 41c, this set easily facilitates internal installation function part and outside weldings installation separately adds, and makes structure
It is more compact.Figure 15 is the structural schematic diagram of another motor-driven valve provided by the invention.It can also be using skill disclosed in Figure 15
Art scheme, middle canister portion 41b are consistent with the external profile diameter of lower canister portion 41c.
Radial adapter tube 43 is weldingly fixed on the lower canister portion 41c of valve body 41, the inner cavity 416 of radial adapter tube 43 and valve body 41
Connection.Valve bonnet body 42 is weldingly fixed on the middle canister portion 41b of valve body 41, and valve bonnet body 42 is formed between valve body 41 and valve bonnet body 42
Inner cavity 421, the upper canister portion 41a of valve body 41 protrudes into the inner cavity 421 of valve bonnet body 42.In the upper canister portion 41a of valve body 41
Wall portion offers intercommunicating pore 417, the inner cavity 421 of 417 communicating valve cover 42 of intercommunicating pore and the inner cavity 416 of valve body 41.It can manage
Solution, valve bonnet body 42 can also be indirectly fixed on valve body 41 by welding point.The welding hand of following other component
Section can also use indirect fixing means, and details are not described herein.
Valve base part 20 includes valve body 21, valve seat core 22 and valve port sheath 24.
Fig. 9 is the structural schematic diagram of the valve body of valve base part.As shown in figure 9, the substantially ring-like structure of valve body 21,
Inner wall be equipped with top bar portion 211 of the step surface towards upper end, valve seat core 22 be arranged in upper rank portion 211, valve seat core 22 it is interior
Wall surface is arranged with valve port sheath 24.
Valve seat core 22 can be made of nonmetallic flexible material, improve the sealing performance of valve port.The outer wall of valve seat core 22 has
There is stage portion, valve port tabletting 25 is provided in stage portion, the upper end of valve body 21 has lug boss 214.It is convex by riveting
The stage portion that portion 214 makes valve port tabletting 25 abut valve seat core 22 is played, realizes the installation of valve seat core 22.
Figure 17 is the structural schematic diagram for the third valve base part that the present invention provides.In this embodiment, valve base part 20B
The top bar portion inner edge surface of valve body 21 be upper end diameter gradually small tapered face 215, valve seat core 22A is that plastics or rubber are soft
Material, outer rim are connected to tapered face (inner edge surface) 215, the fixation that also may be implemented.
The inner wall of valve body 21 is additionally provided with stepped down part 212 of the step surface towards lower end.In the present embodiment, valve port protects
Set 24 is cyclic annular thin-wall barrel, and including canister portion 243 and the flange part 244 formed by flange, flange part 244 abuts stepped down part
212 step surface, and the end abutment flange part 244 of axial nipples 23.Axial nipples 23 are with valve body 21 by being welded and fixed.
As further technical solution, valve port sheath 24 can be bi-body structure, i.e. canister portion 243 and flange part 244 is logical
The forms such as welding are crossed to be fixedly connected.
The outer wall of valve body 21 is equipped with outer step portion 213 of the step surface towards lower end.Preferably, valve body 41
Lower end abut the step surface in outer step portion 213 and by being welded and fixed.
In above structure, each part installation cooperation is compact, and mutual position accuracy can guarantee that process is simple, and product is reliable
Property is strong.Since the magnet rotor of transmission parts is set to the inner cavity of valve bonnet body, screw rod protrudes into institute from the end of the upper canister portion of valve body
State the inner cavity of valve body.During the opposite axial movement with valve base part of valve hole part, magnet rotor, screw rod are with respect to 41 axis of valve body
It fixes to position, so that the relative position between magnet rotor and the coil component of motor-driven valve housing is fixed, is driven in the course of work
Power raising is simultaneously relatively stable.
Figure 10 is the structural schematic diagram of the valve port sheath of valve base part, as shown in Figure 10, in the present embodiment, valve port sheath
24 canister portion with position corresponding to the step surface in top bar portion 211, equipped with the balance hole being connected to 24 inner cavity of valve port sheath
As balance channel 241.The usefulness of this set in, in the motor-driven valve course of work, 22 bottom of valve seat core and valve body 21
Upper rank portion 211 step surface between can enter and remnant medium may become because of pressure moment when motor-driven valve open and close valve
Change and the unusual fluctuations such as medium instant vaporization impact occurs and soft valve seat core 22 is caused to be detached from valve body 21, causes product failure.
The purpose of balance hole 241 is opened up, the medium of 22 bottom of valve seat core can be made to keep being connected to (i.e. valve chamber with the inner cavity of axial nipples 23
418), can occur to avoid above situation.
Figure 11 is the main view and top view of valve port sheath another kind specific embodiment.
As shown in figure 11.Unlike the embodiments above, valve port sheath 24A is made up cyclic annular thin of sheet metal crimping
Wall pieces, the edge formed at sheet metal edge flare axially through open slot 242 make 22 bottom of valve seat core as balance channel
The medium holding in portion is connected to the inner cavity of axial nipples 23.This spline structure is simpler, and details are not described herein.
In the above-described embodiments, valve port sheath is that cylinder-like structure is made in thin walled metallic materials punching press, is also referred to figure
12 carry out the further extension of technical solution, and valve port sheath 24C is that direct machine-shaping forms one on the inner wall of valve body 21
Body structure.In this embodiment, the valve port sheath 24C of the top bar portion of valve body 21 and integral structure together forms annular
Slot, valve seat core 22 are arranged in annular groove.In this embodiment, it is offered between valve seat core 22 and the mesa sidewall of valve body 21
Longitudinal balance slot, the compensating groove can also make the medium of 22 bottom of valve seat core keep being connected to top.Details are not described herein.
Referring to Fig.1 7.It, can be perpendicular by being opened up in the inner edge portion of valve seat core 22A in the third valve base part 20B structure
To fluting 221, the step surface in vertical 221 connection top bar portion of fluting can also play the role of balance hole.It is no longer superfluous herein
It states.
Transmission parts 30 include screw rod 31, nut 32 and magnet rotor 34.Magnet rotor 34 is set to the inner cavity of valve bonnet body 42, silk
Bar 31 cooperates from the inner cavity that valve body 41 is protruded into the upper end of valve body 41 and with nut 32.
Nut set 50 by wall portion welding be fixed in canister portion 41a on valve body 41 inner edge (be different from the embodiment,
In Figure 15 and Figure 16, nut set is the inner edge that canister portion in valve body is weldingly fixed on by flat part).
Referring to Fig. 8.In the present embodiment, nut set 50 is metal thin-wall cylinder part, can pass through plate stamping crimping system
At.In the present embodiment, there is 4 side walls from thin-wall barrel to be inwardly punched bending and form axially extending gusset 51, gusset 51
As nut limiting unit, the outer edge of inner wall part and nut 32 cooperates, and can limit the circumferentially rotating of the nut 32 (can be with
Understand, if two gussets, which are only arranged, can also play restriction effect).The inner wall of the upper surface of gusset 51 and external member it
Between forming region 53, can be used as with screw rod 31 cooperate bearing 33 receiving portion, bearing 33 abutting the upper of gusset 51 is set
The axially position of bearing 33 is realized in end.In the upper end riveting fixing bearing 33 of valve body 41.
In the above-described embodiments, nut set 50 is cylindrical shape external member made of metallic plate punching crimping.It is referred to
The further extension of Figure 13 progress technical solution, nut set 50A cylindrical shape external member made of metallic plate punching crimping,
While the lower section of wall portion is inwardly punched bending and forms axially extending gusset 51, folding is inwardly punched in the upper section of wall portion
Radially gusset 57, the region between radial gusset 57 and the inner wall of external member can be used as the receiving portion of bearing 33, diameter to bending
The lower end 52 in the axially position portion to gusset 57 as bearing 32, external member is used as spool limiting unit, can limit valve hole part
Axial movement stroke.
Equally, Figure 14 progress technical solution is also referred to further to extend.Nut set 50B turns over for metallic plate punching
While being made, the flat part 56 formed including cylindrical part 55 and by the end bending of the cylindrical part 55, cylindrical part includes at least one
A axial plane section 58.Due to there is planar section 58, so the outer edge of the inner wall part of cylindrical part and nut 32 cooperates to limit spiral shell
Mother's 32 circumferentially rotates, and flat part 56 is used as spool limiting unit.Flat part 56 can pass through punching press flange side in the technical solution
Formula production, can also be made by addition welding annulus part mode.
In this embodiment, it is welded, is made by the inner edge of the flat part 56 of nut set 50B and the middle canister portion of valve body 41
Overall structure is simple.
In this embodiment, spool guiding parts 60 includes guide sleeve 61 and seal assembly.Guide sleeve 61 is weldingly fixed on
The inner edge of the middle canister portion 41b of valve body 41.The inner wall of guide sleeve 61 is equipped with stage portion 611, and seal assembly is by gasket 64 by riveting
Pressing is scheduled on stage portion 611.Seal assembly includes elastic component made of sealing element 62 and rubber material made of wear-resisting material
63。
Figure 16 is the structural schematic diagram of the third motor-driven valve provided by the invention.Compared with aforementioned schemes, in the embodiment
In seal assembly be fixed on valve hole part 10A.Its its effect it is identical, details are not described herein.
Valve hole part 10 is arranged in the inner cavity 416 of valve body 41, and valve hole part 10 includes valve core 11 and valve core housing 12
(valve core and valve core housing may be integral material molding structure).Nut 32 is connect with valve core housing 12, to drive valve core 11
It is mobile relative to valve seat core 22, realize motor-driven valve open/close and uninterrupted is adjusted.
The lower end 52 of nut set is used as 10 limiting unit of valve hole part.Nut 32 drives valve core housing 12 to move up process
In, the lower end 52 of nut set can be abutted, to limit the axial movement stroke of valve hole part 10.In big flow motor-driven valve,
It between screw rod and nut in such a way that non-self-lock-ing is threadedly coupled, is beneficial in that, after valve hole part 10 abuts, avoids card
It waits indefinitely hidden danger.
The inner wall 65 of guide sleeve 61 as conductor side and 12 clearance fit of valve core housing, sealing element 62 be connected to valve core housing 12 with
Between guide sleeve 61.Clearance fit between 12 outer wall of inner wall 65 and valve core housing of guide sleeve 61.
Valve core 11 is generally cylindrical structure, and lower end is the valve core head 15 of annular, and valve core head 15 and valve seat core 22 cooperate,
Cyclic annular sealing valve port cooperation can keep valve core head 15 and the bearing surface of valve seat core 22 smaller under the premise of improving valve port circulation,
Improve the flexibility of spool.It is particularly suitable for business-use refrigrating system.
Valve core 11 is also provided with the through-hole 14 axially penetrated through as balance channel, and filtering is also arranged among through-hole 14
Part 13.The wall portion of the upper canister portion 41a of valve body 41 offers intercommunicating pore 417.Through-hole 14 and the combination of intercommunicating pore 417 constitute channel,
The inner cavity and valve chamber 418 (space of valve port communication nipple) of communicating valve cover 42.
In conjunction with above-mentioned concrete example, a kind of manufacturing method of the motor-driven valve of typical structure is described below.Step A10: by metal
Plate or metal pipe material processing prepare tubular valve body 41.
Valve body 41 can be stretched through sheet metal be made or the methods of metal pipe material punching press/rolling/compacting is made (needs
It is noted that sheet metal be by stretch process be master operation by sheet fabrication at tubular structure, metal pipe material is logical
Cross punching press/rolling and processing be master operation by tubular object extruding at tubular structure, in specific process be by pressed/punched/
The process step combinations such as rolling/extruding integer with processing, compare metal cutting process, can reduce processing cost and material at
This).
By metal-removing process, the positioning step cooperated with valve base part 20 is processed respectively in the outer rim of valve body 41
Face and the positioning surface cooperated with valve bonnet body 42.
Disposable Set and Positioning preferably can be used in aforesaid operations, makes relative position and the accuracy of form and position of each positioning table terrace
It is guaranteed, after subsequent welding installation, each component cooperation precision can guarantee, valve hole part good operation stability can be made,
Product reliability improves, and details are not described herein.
Step A20:
Nut set 50 and the inner edge welding of valve body 41 is affixed；By the guide sleeve 61 of spool guiding parts 60 and valve sheet
The inner edge of canister portion 41b is welded and fixed in body 41, and seal assembly is installed to guide sleeve 61.
Since nut set 50, guide sleeve 61 are all welded on valve body 41, so relative positional accuracy can guarantee.Institute
It is further increased with relative positional accuracy between nut set 50, guide sleeve 61 and valve body 41.Preferably, 50 He of nut set
Guide sleeve 61 can also be welded on valve body 41 using disposable method, avoid two from being influenced by heat progress.
Step A30:
The screw rod of transmission parts 30 is protruded into the inner cavity of valve body 41 from the end of canister portion 41a on valve body 41；
The nut 32 of transmission parts 30 is assembled with valve hole part 10, by assembled component under the valve body 41
Canister portion is packed into the inner cavity of valve body 41, and nut 32 is threadedly coupled with screw rod 31 is stated；Make the limit of nut 32 Yu the nut set 50
Portion's cooperation processed, makes guide sleeve 61 and 10 clearance fit of valve hole part, and seal assembly elasticity abuts the outer rim of valve hole part.
It is understood that since nut set 50, guide sleeve 61 are all welded on valve body 41, so relative position is smart
Degree can guarantee.Transmission parts 30 and 10 installation accuracy of valve hole part are relatively high, keep spool driving steady.
Step A40:
Valve seat core 22 is mounted on valve body 21, valve port sheath 24 is set in the inner edge surface of valve seat core 22, valve port shield
The flange part 244 of set 24 abuts the stepped down part 212 of valve body 21, and the end abutment flange part 244 of axial nipples 23 will be axial
Adapter tube 23 is with valve body 21 by being welded and fixed；The lower end of valve body 41 is abutted with the outer step portion 213 of valve body 21, is led to
It crosses and is welded and fixed.
Optionally, the above part can be fixed by multiple part by one-step welding manners, and process is simple, product reliability
By force.
Step A50:
Valve body 41 described in valve bonnet body 42 is welded and fixed, the magnet rotor of the transmission parts 30 is set to valve bonnet after welding
The inner cavity of body 42.
Since valve bonnet body 42 and nut set are respectively welded on valve body 41, so its position precision is higher, magnet rotor
Gap between the inner wall of valve bonnet body can control it is smaller, it is compact-sized.
Step A60:
Radial adapter tube 43 and the lower canister portion 41c of valve body 41 are welded and fixed.
Step A70:
It is arranged electromagnetic coil 70 in 42 outer rim of valve bonnet body, electromagnetic coil 70 is fixed on fixed frame 44.
It should be appreciated by those skilled in the art, based on the technical idea of the invention, based on the above technical solution,
A variety of assemble sequences and assembly variation can be extended.If step A60 can be placed into the process of front, without influencing the present invention
Technical effect；The sequence of such as step A50 and step A40 step is exchanged, these changes all should be in the protection model of this patent
In enclosing, details are not described herein.
Above in conjunction with specific embodiments, motor-driven valve provided by the present invention is described in detail.It is provided by the present invention
Motor-driven valve, design optimization has been carried out to the structure of valve body, in the fabrication process, valve body be sheet metal stretch or metal
Tubing is made, and canister portion, middle canister portion and lower canister portion position, are fixedly connected with other multiple functional components, make product on it
Overall structure reduces, part install compact easy to process.Position precision between each functor can be also easily guaranteed that, can make valve
Core components run smoothly, and product reliability is improved
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention.It should be pointed out that for the ordinary skill of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for personnel, these improvement
It is also fallen within the protection scope of the claims of the present invention with modification.
Claims (12)
1. a kind of motor-driven valve, comprising:
Valve part (40), the valve part (40) include valve body (41) and valve bonnet body (42), valve body (41) packet
Canister portion, middle canister portion and lower canister portion are included, the external profile diameter of the upper canister portion is less than the external profile diameter of the middle canister portion；The valve bonnet
Body (42) and the outer rim of the middle canister portion of the valve body (41) are affixed, and the upper canister portion of the valve body (41) protrudes into the valve bonnet body
(42) inner cavity；
Valve base part (20), the valve base part (20) and canister portion under the valve body (41) are affixed；
Valve hole part (10), the valve hole part (10) are set to the inner cavity of the valve body (41)；
Transmission parts (30), the transmission parts (30) include magnet rotor, screw rod and nut, and the magnet rotor is set to the valve bonnet
The inner cavity of body (42), the screw rod protrude into the inner cavity of the valve body (41) simultaneously from the end of the upper canister portion of the valve body (41)
It is connect with the nut thread, the screw rod is opposite with the valve body (41) axial restraint.
2. motor-driven valve as described in claim 1, which is characterized in that it further include spool guiding parts (60), the spool guiding
Component (60) includes guide sleeve, and the guide sleeve and the inner edge of canister portion in the valve body (41) are affixed, the guide sleeve and institute
Valve hole part (10) clearance fit is stated, elasticity has abutted sealing group between the guide sleeve and the outer rim of the valve hole part (10)
Part.
3. motor-driven valve as claimed in claim 2, which is characterized in that the valve hole part (10) includes valve core and valve core housing,
The valve core housing and the guide sleeve clearance fit, the valve core are equipped with balance channel；The upper canister portion of the valve body (41)
Wall portion be equipped with intercommunicating pore, pass through the balance between the inner cavity of the valve bonnet body (42) and the valve chamber of the valve hole part (10)
Channel and intercommunicating pore connection.
4. motor-driven valve as described in claim 1, which is characterized in that it further include nut set (50), the nut set (50)
Affixed with the inner edge of the valve body (41), the nut set (50) includes the nut limitation for limiting the nut and circumferentially rotating
Portion.
5. motor-driven valve as claimed in claim 4, which is characterized in that the nut set (50) further includes limiting the spool portion
The spool limiting unit of part (10) axial movement stroke.
6. motor-driven valve as claimed in claim 5, which is characterized in that the transmission parts (30) further include cooperating with the screw rod
Bearing, the nut set (50) further includes the receiving portion for accommodating the bearing.
7. such as the described in any item motor-driven valves of claim 2-6, which is characterized in that further include radial adapter tube (43), with the diameter
To adapter tube (43), the spool guiding parts (60), the valve bonnet body (42) and the valve base part (20), with the valve body
(41) welding is affixed, and the valve body (41) is respectively equipped with to be cooperated with the valve bonnet body (42) and the valve base part (20) installation
Positioning table terrace.
8. motor-driven valve as claimed in any one of claims 1 to 6, which is characterized in that the external profile diameter of the middle canister portion is less than described
The external profile diameter of lower canister portion.
9. the manufacturing method of motor-driven valve as described in claim 1, comprising:
Step A10: sheet metal or metal pipe material processing are prepared into valve body (41)；
Step A20: nut set (50) and the welding of the valve body (41) inner edge is affixed, by leading for spool guiding parts (60)
It is affixed to set and the inner edge welding of the middle canister portion of the valve body (41)；
Step A30: the screw rod of transmission parts (30) is protruded into the valve body from the end of canister portion on the valve body (41)
(41) inner cavity；Nut and valve hole part (10) are assembled, assembled component is packed into from canister portion under the valve body (41)
The nut is connect by the inner cavity of the valve body (41) with the wire rod thread；By the nut and the nut set
(50) cooperate, the guide sleeve and the valve hole part (10) are cooperated；
Step A40: valve base part (40) and canister portion under the valve body (41) are welded and fixed；
Step A50: valve bonnet body (42) and the valve body (41) welding is affixed, set the magnet rotor of the transmission parts (30)
It is placed in the inner cavity of the valve bonnet body (42).
10. the manufacturing method of motor-driven valve as claimed in claim 9, which is characterized in that in the step A10 and the step
Further include step A15 between A20: by metal-removing process, being processed respectively and seat portion in the outer rim of the valve body (41)
The positioning table terrace of part (20) installation cooperation and the positioning table terrace cooperated with valve bonnet body (42) installation.
11. the manufacturing method of motor-driven valve as claimed in claim 9, which is characterized in that the step A40, the step A50 are suitable
Sequence is exchanged.
12. the manufacturing method of motor-driven valve as claimed in claim 9, which is characterized in that the step A40, the step A50 are closed
And are as follows: valve bonnet body (42), valve base part (20) and the valve body (41) pre-mated are fixed；By the valve bonnet body (42), institute
It states valve base part (40) and the valve body (41) is disposably welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711024977.7A CN109723831A (en) | 2017-10-27 | 2017-10-27 | A kind of motor-driven valve and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711024977.7A CN109723831A (en) | 2017-10-27 | 2017-10-27 | A kind of motor-driven valve and its manufacturing method |
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| Publication Number | Publication Date |
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| CN109723831A true CN109723831A (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711024977.7A Pending CN109723831A (en) | 2017-10-27 | 2017-10-27 | A kind of motor-driven valve and its manufacturing method |
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| CN (1) | CN109723831A (en) |
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| CN110242480A (en) * | 2019-07-29 | 2019-09-17 | 秦皇岛凡尔科技有限公司 | A kind of pipe generator and its motor-driven valve |
| CN112576762A (en) * | 2019-09-27 | 2021-03-30 | 杭州三花研究院有限公司 | Electric valve |
| CN113399815A (en) * | 2021-06-24 | 2021-09-17 | 内蒙古工业大学 | Fluid conduction branch pipe and main pipe edge-curling welding equipment |
| WO2023237031A1 (en) * | 2022-06-10 | 2023-12-14 | 浙江三花汽车零部件有限公司 | Valve device and manufacturing method |
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| WO2023237031A1 (en) * | 2022-06-10 | 2023-12-14 | 浙江三花汽车零部件有限公司 | Valve device and manufacturing method |
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Application publication date: 20190507 |