CN106553023B - A kind of check valve and its processing method - Google Patents
A kind of check valve and its processing method Download PDFInfo
- Publication number
- CN106553023B CN106553023B CN201610373459.5A CN201610373459A CN106553023B CN 106553023 B CN106553023 B CN 106553023B CN 201610373459 A CN201610373459 A CN 201610373459A CN 106553023 B CN106553023 B CN 106553023B
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- Prior art keywords
- valve
- valve seat
- check valve
- locating part
- block frame
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/14—Check valves with flexible valve members
- F16K15/148—Check valves with flexible valve members the closure elements being fixed in their centre
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/10—Welded housings
- F16K27/102—Welded housings for lift-valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of check valves, the check valve includes having the valve body of inlet and outlet and being set to the intracorporal core assembly of the valve, the core assembly includes the valve seat for offering valve port, with the valve block frame of valve seat cooperation, magnetic attraction part, the valve block for being opened and closed the valve port is provided in the valve block frame, it is characterized in that, it further include the locating part being fixed on the valve seat, the magnetic attraction part is fixed in the valve port of the valve seat by the locating part, check valve of the invention, magnetic attraction part is fixed in the valve port of valve seat by locating part, it effectively prevent magnetic attraction part to fall off from valve seat, the functional reliability of check valve is high, the invention also discloses the processing methods of the check valve in the present invention.
Description
Technical field
The invention belongs to fluid control technology fields, more particularly to a kind of check valve and its processing method.
Background technique
Diaphragm type one-way valve is designed using diaphragm, and overlay film and valve base sealing on diaphragm are widely used in refrigeration system.
Figure 12 show a kind of overall structure diagram of existing typical diaphragm type one-way valve.As shown, this is unidirectional
Valve includes the valve body 1 ' with 1 ' b of 1 ' a of import and outlet, filter screen 3 ', with the valve seat of 2 ' a of valve port made of lead and yellow-collation copper rod
2 ', magnet 4 ', diaphragm 5 ', retaining ring 6 '.Magnet 4 ' can by press fitting riveting etc. modes be fixedly connected with valve seat 2 ', rear valve base 2 '
It is fixedly connected between valve body by soldering or cutting mode, then die-casting process machine-shaping will be passed through using aluminum alloy materials
One end of retaining ring 6 ' is abutted with valve seat 2 ', is connected between the 6 ' other end of retaining ring and valve body 1 ' by the way that cutting or dot method are mutually fixed
It connects.Under natural conditions, diaphragm 5 ' is contacted under the attraction of magnet 4 ' with 2 ' a of the valve port of valve seat 2 ', and check valve, which is in, closes
State.When exporting lateral pressure greater than inlet side, sealing, closed check valve are formed between the 2 ' a of valve port of diaphragm 5 ' and valve seat 2 '.
When input end pressure increase is to when being enough to overcome the attraction of magnet 4 ', diaphragm 5 ' is moved away from valve seat 2 ', and check valve is opened.
The check valve has as follows can improvements: first, magnet is fixed in valve seat by modes such as press fitting rivetings
Wall, under High Pressure Difference, when the pressure of check valve two sides quickly changes, it is possible to make magnet fall off from valve seat, cause product
Failure；Second, connected between one end and valve seat of retaining ring for on-fixed, and between the other end and valve body of retaining ring by cutting or
Dot method connection, then, on the one hand, cutting or the position got ready are not easy to confirm, and cutting or the depth got ready, size etc. are all
May have an adverse effect to the concentricity between retaining ring and valve seat, make diaphragm stuck when serious, on the other hand, cutting or get ready
Position may cause cutting in high pressure systems or get position ready to generate fatigue deformation, lead to retaining ring and valve body fixed part
Position generates lesser fluid channel；Third, when being connected between valve seat and valve body by soldering or cutting mode, in high temperature and pressure system
It may cause valve seat loosening in system.4th, retaining ring is processed using die-casting process, pollutes environment and energy consumption is high.
Summary of the invention
The object of the present invention is to provide a kind of check valves that magnetic attraction part is high without departing from valve seat out, product reliability.
Check valve of the invention including the valve body with inlet and outlet and is set to the intracorporal core assembly of the valve,
The core assembly includes the valve seat for offering valve port, valve block frame, magnetic attraction part with valve seat cooperation, the valve block frame
In be provided with the valve block for being opened and closed the valve port, further include the locating part being fixed on the valve seat, the magnetic attraction part is by institute
Locating part is stated to be fixed in the valve port of the valve seat.
Still optionally further, it is opened up on check valve as described above, the locating part and/or the valve seat restricted described
The limiting section that magnetic attraction part circumferentially rotates.
Still optionally further, check valve as described above, the locating part include the ontology being fixedly connected with the valve seat
Portion, the protrusion protruded from the body part, the protrusion form the limiting section.
Still optionally further, it is opened up on the side wall of check valve as described above, the bottom wall of the valve seat and/or the valve seat
There is recess portion, the recess portion forms the limiting section.
Still optionally further, check valve as described above, the magnetic attraction part are annular.
Still optionally further, check valve as described above is provided with the installation magnetic attraction on the inner wall of the valve seat
First annular groove of part, be additionally provided on the valve seat be in first annular groove step-like setting the second annular groove, the limit
Part is fixed in second annular groove.
Still optionally further, check valve as described above, the valve body are split type structure, including the first noumenon portion and the
Two body parts, the peripheral part of the valve seat are provided with annular convex platform, and the first noumenon portion and second body part pass through weldering
Connect the two sides for being fixed on the annular convex platform.
Still optionally further, check valve as described above, the first noumenon portion, second body part and the valve seat
By being brazed integrally molded fixation.
Still optionally further, check valve as described above, the valve body are split type structure, including the first noumenon portion and the
Two body parts, the first noumenon portion and second body part are connected to the peripheral part of the valve seat and are fixed by welding in
On the valve seat.
Still optionally further, check valve as described above, the first noumenon portion, second body part and the valve seat
Pass through the integrally molded fixation of Laser Welding.
Still optionally further, check valve as described above, the valve body are an integral structure, the valve seat, the valve block
Frame and the integrally molded fixation of the valve body.
Still optionally further, check valve as described above, the valve block frame are bowl structure made of metallic plate punching,
The side wall of the valve block frame offers mainstream through-hole and valve block limiting section.
Still optionally further, check valve as described above, the valve seat, the valve block frame and the locating part are all made of gold
Belong to plate to be made up of impact style.
Finite place piece is arranged in check valve of the invention, and magnetic attraction part is fixed on to the valve port of valve seat by locating part
It is interior, it effectively prevent magnetic attraction part to fall off from valve seat, the functional reliability of check valve is high.
A kind of processing method of check valve of the invention, includes the following steps:
Locating part is processed by metallic plate punching mode；
Valve block frame is processed by metallic plate punching mode；
The locating part and the valve block frame are passed through welding manner respectively to be fixed on the valve seat.
The processing method of another check valve of the invention, includes the following steps:
Locating part is made by metallic plate punching mode；
Valve block frame is made by metallic plate punching mode；
Valve body is made by way of metal pipe material rolling；
The locating part is fixed on the valve seat by welding manner；
By the valve seat and the valve block frame and the integrally molded fixation of the valve body.
The processing method of check valve of the invention, processing technology is simple, saves cost, the non-return valve operational reliability of processing
It is high.
Detailed description of the invention
Fig. 1 show a kind of structural schematic diagram of specific embodiment of check valve of the present invention；
Fig. 2 a show the perspective view after the valve seat of check valve in Fig. 1, locating part and the cooperation of magnetic attraction part；
Fig. 2 b show the cross-sectional view of Fig. 2 a；
Fig. 3 a show the perspective view of locating part in Fig. 2 a；
Fig. 3 b show the cross-sectional view of locating part shown in Fig. 2 a；
Fig. 4 show the perspective view of the first variation of the valve seat of check valve of the present invention；
Fig. 5 show the perspective view of second of variation of the valve seat of check valve of the present invention；
Fig. 6 show the perspective view of Fig. 1 middle valve plate frame；
Fig. 7 show I in Fig. 11The partial enlarged view at place；
Fig. 8 a show the perspective view of the first variation of magnetic attraction part；
Fig. 8 b show the perspective view with the locating part of the cooperation of magnetic attraction part shown in Fig. 8 a；
Fig. 8 c is the solid of the third variation of the valve seat cooperated with locating part in magnetic attraction part in Fig. 8 a and Fig. 8 b
Figure；
Fig. 9 show magnetic attraction part in Fig. 8 a, the half-sectional structure chart in Fig. 8 b in locating part and Fig. 8 c after valve seat cooperation；
Figure 10 show valve body be integral type when Fig. 1 in I1The partial enlarged view at place；
Figure 11 is shown using I in Fig. 1 when valve seat in Fig. 8 c1The partial enlarged view at place；
Figure 12 show a kind of overall structure diagram of existing typical diaphragm type one-way valve.
Specific embodiment
Structure and principle of the invention are described in detail with reference to the accompanying drawing.It should be noted that hereinafter, being
It is easy to understand, the distressed structure of the different structure of Same Part Same Part in other words uses same appended drawing reference.
Fig. 1 show a kind of structural schematic diagram of specific embodiment of check valve of the present invention；Fig. 2 a is shown in Fig. 1 unidirectionally
Perspective view after the cooperation of the valve seat of valve, locating part and magnetic attraction part；Fig. 2 b show the cross-sectional view of Fig. 2 a；Fig. 3 a is shown
The perspective view of the locating part of check valve in Fig. 2 a；Fig. 3 b show the cross-sectional view of locating part shown in Fig. 2 a；Fig. 4 show this
The perspective view of the first variation of the valve seat of invention check valve；Fig. 5 show second of change of the valve seat of check valve of the present invention
The perspective view of shape example；Fig. 6 show the perspective view of Fig. 1 middle valve plate frame；Fig. 7 show I in Fig. 11The partial enlarged view at place.
As shown, the check valve of the present embodiment, including the valve body 10 with import 1 and outlet 2 and is set to valve body 10
Interior core assembly, core assembly include valve block frame 30, the setting that the valve seat 20 for offering valve port, one end and valve seat 20 abut against
It is reciprocally moveable in valve block frame 30 to close or open the valve block 40 (i.e. spool) of valve port, further includes for being attracted valve block 40
In the magnetic attraction part 50 of valve port.To guarantee that magnetic attraction part 50 does not depart from out valve seat 20 during non-return valve operational, the present invention
Check valve be provided with the locating part 60 being fixedly connected with valve seat 20, magnetic attraction part 50 is limited part 60 and is fixed on valve seat 20
In valve port.
Magnetic attraction part 50 is fixed in the valve port of valve seat 20 by the check valve of the present embodiment by setting locating part 60,
While guaranteeing that magnetic attraction part 50 does not depart from out valve seat 20,20 flat structure of valve seat can also be made, blanking die may be implemented
Toolization processes valve seat 20 using metallic plate punching mode.
Check valve in the present embodiment can use following processing method: valve seat 20, valve block frame 30 and locating part 60
To be made by metallic plate punching.Valve body 10 be can choose and be made up of stainless steel pipe of rolling mode (certainly, can be real
In the case of existing the object of the invention, it also can choose and valve body processed by rolling mode with other metal materials).Wherein, valve seat
20 and locating part 60 can be stainless steel materials cyclic structure made of impact style.Valve block frame 30 can be stainless steel plate
Material bowl structure made of impact style, and its side wall offers several 31 (mainstreams of mainstream through-hole passed through for fluid
The number of through-hole 31, which can according to need, is arranged to 1,2 or multiple) and valve block limiting section 32, it is located at valve on valve block frame 30
Part between piece limiting section 32 and valve seat 20 can form the valve block guide part 33 being oriented to valve block 40.
Valve body 10 can be integral type, or split type structure as needed.When it is shown in FIG. 1 split type
When structure, including the first noumenon portion 11 and the second body part 12.The first noumenon portion 11 is abutted against with the second body part 12, first
Body portion 11 and the joint surface 13 of the second body part 12 are located at the lateral wall of valve seat 20.When assembly, can by magnetic attraction part 50 and
Valve block 40 is respectively placed in valve seat 20 and valve block frame 30, and locating part 60 and valve block frame 30 are fixed on by welding manner respectively
On valve seat 20 (can certainly be other fixed forms), then by the first noumenon portion 11 and the second body part 12 by being welded and fixed
In the periphery wall of valve seat 20.It preferably, can be by Laser Welding mode by the first noumenon portion 11, the second body part 12 and valve seat 20
Integrally molded fixation.It, can be preferred between locating part 60 and valve seat 20 and between valve block frame 30 and valve seat 20 when specific welding
Pulse laser welding mode is fixedly connected with (can certainly be other welding manners).Later, the first noumenon portion 11 and the second ontology
Portion 12 is fixed on the periphery wall of valve seat 20 by way of continuous laser welding.Continuous laser welding is used herein, can make valve seat
Make to seal therebetween while being welded and fixed between 20 and valve body 10, when preventing closed check valve, fluid is from valve seat 20 and valve
It is flowed through between the inner wall of body 10.In addition, the intensity being welded and fixed between valve seat and valve seat is high, even if valve block 40 is in high temperature and pressure system
It is repeatedly moved in system, welding position will not loosen, i.e., the leakage of valve will not occur.Also, valve seat 20 and valve block frame 30,
Valve seat 40 is welded and fixed, so that valve seat 20, valve block frame 30, having preferable concentricity between 40 three of valve block, it is possible to reduce valve
The abrasion of piece 40 or stuck risk.
The check valve of the present embodiment, magnetic attraction part 50 circumferentially rotates in valve seat 20 in order to prevent, can limit
Setting limits the limit that magnetic attraction part 50 circumferentially rotates on the part 60 of position or on valve seat 20 or simultaneously on locating part 60 and valve seat 20
Position portion.
Specifically, as shown in Fig. 3 a and Fig. 3 b, and referring to Fig.1, check valve of the invention can open up on locating part 60
Limiting section.Locating part 60 is generally with the ring structure of central fluid through-hole comprising passes through pulse laser welding with valve seat 20
The body part 61 that mode is fixedly connected and 1 direction of import from body part 61 to valve body 10 protrude and match with magnetic attraction part 50
The protrusion 62 of conjunction, protrusion 62 are two, the both ends of the center line of locating part 60 are respectively arranged at, when by magnetic attraction part 50
Be put into inside valve seat 20, and by locating part 60 and valve seat 20 by pulse laser welding welding (or other welding manners) fixation after,
The two side walls of each protrusion 62 can limit the circumferentially rotating in valve seat 20 of magnetic attraction part 50.
The check valve of certain the present embodiment can also carry out deformation design to the setting of limiting section.As shown in figure 4, limit
Portion is opened on valve seat 20A.Specifically, along the centerline direction of valve seat 20A, the inner wall of valve seat 20A open up first group it is recessed
Slot 201 with the both ends of magnetic attraction part 50 to cooperate.Limiting section is set in valve seat 20A by the design of this kind of limiting section
Side wall, without opening up protrusion 62 shown in Fig. 3 a on locating part 60.(certainly, using locating part shown in Fig. 3 a and this change
The valve seat cooperation of shape example is also possible.)
In addition it is also possible to design valve seat 20B as shown in Figure 5, limiting section is opened on valve seat 20B.With variation
In two unlike valve seat 20A, the valve seat 20B of this variation is opened along the centerline direction of valve seat 20B in the inner wall of valve seat 20B
If second group of groove 202 cooperates to two shaft ends with magnetic attraction part 50, meanwhile, it is also opened up in the inner bottom wall of valve seat 20B
There is the third group groove 203 with the bottom surface of magnetic attraction part 50.Limiting section is set to valve seat by the design of this kind of limiting section
The inner sidewall and inner bottom wall of 20B can preferably limit magnetic attraction part 50 compared to the valve seat 20A in variation two
Position.Similarly, without opening up protrusion 62 shown in Fig. 3 a on locating part 60.(certainly, using locating part shown in Fig. 3 a and this change
The valve seat cooperation of shape example is also possible.)
Check valve of the invention can also be to magnetic attraction part shown in Fig. 1 to Fig. 7 on the basis of basic technology scheme
Structure change design, magnetic attraction part is designed as ring structure.Fig. 8 a show the first deformation of magnetic attraction part
The perspective view of example；Fig. 8 b show the perspective view with the locating part of the cooperation of magnetic attraction part shown in Fig. 8 a；Fig. 8 c be in Fig. 8 a
The perspective view of the third variation of the valve seat of locating part cooperation in magnetic attraction part and Fig. 8 b；Fig. 9 show in Fig. 8 a magnetic suction
Draw part, the half-sectional structure chart in Fig. 8 b in locating part and Fig. 8 c after valve seat cooperation.
As shown, magnetic attraction part 50A is cirque structure corresponding with the third valve seat variation 20D structure.When
So, in situation in the cards, magnetic attraction part 50A may be the ring structure of other forms.Locating part 60A is and magnetic
Property attract the cirque structure that accordingly cooperates of part 50A.Certainly, locating part 60A may be other distressed structures, as long as can be effective
Magnetic attraction part 50A is fixed between locating part 60A and valve seat 20D by ground.It is provided on the inner wall of valve seat 20D for pacifying
The first annular groove 204 of magnetic attraction part 50A is filled, is further provided on valve seat 20D with the first annular groove 204 in step-like setting
The second annular groove 205, locating part 60A is weldingly fixed in the first annular groove 204 of valve seat 20D, magnetic attraction part 50A is fixed on
In second annular groove 205.By the way that magnetic attraction part 50A is designed as annular, on whole circle magnetic attraction part, magnetic force distribution is uniform,
And magnetic attraction part 50A is also more uniform steady to the attraction of valve block 40.
In the present invention, as it was noted above, valve body 10 as needed, can be integral type, or split type structure.
I in Fig. 1 when Figure 10 show valve body integral type1The partial enlarged view at place.As shown in connection with fig. 1, when valve body 10 is one
When body formula, unlike basic technology scheme, when assembly, can by locating part 60 and valve seat 20 it is fixed after, then by valve seat
20 and valve block frame 30 and the integrally molded fixation of valve body 10.Laser Welding can be used, makes laser penetration valve body 10, by valve body 10 and valve
Seat 20, valve block frame 30 are welded and fixed.It can be connected (certainly in a manner of preferred pulse Laser Welding between locating part 60 and valve seat 20
To be other welding manners) it is fixed.It is fixed by way of continuous laser welding between valve seat 20, valve body 10 and valve block frame 30 to connect
It connects.Continuous laser welding is used herein, can make to be welded and fixed between valve body 10 and valve seat 20, between valve body 10 and valve block frame 30
Realize sealing simultaneously, when preventing closed check valve, fluid is between valve body 10 and valve seat 20 or between valve body 10 and valve block frame 30
It flows through.Certainly, can not also be integrally molded between 30 three of valve seat 20, valve body 10 and valve block frame when valve body 10 is integral type, and
It is after valve seat 20 and valve block frame 30 are welded and fixed, then will be welded between valve body 10 and valve seat 20, this is referred to Fig. 7
(being integral type by valve design in Fig. 7) understands.
Check valve of the present invention also further carries out deformation design to 20 structure of valve seat, so as to convenient when valve body is split type
The welding of ground realization valve body and valve seat.
Figure 11 is shown using I in Fig. 1 when valve seat in Fig. 8 c1The partial enlarged view at place.It is processed on the side wall of valve seat 20D
There is annular convex platform 21, the first noumenon portion 11 of valve body 10 and the second body part 12 are fixed by welding in the two sides of annular convex platform 21
(i.e. the first side wall 211 and second sidewall 212) specifically can be as shown, the first noumenon portion 11 be connected to annular convex platform 21
The first side wall 22 on, the second body part 12 is connected in the second sidewall 23 of annular convex platform 21, will later by brazing mode
The first noumenon portion 11, the second body part 12 and the integrally molded fixation of valve seat 20D.Annular convex platform 21 can be to 11 He of the first noumenon portion
Second body part 12 is positioned, convenient for the welding between the first noumenon portion 11 and the second body part 12 and valve seat 20D, while can
To reduce welding difficulty, welding quality is improved.Wherein, excellent between annular convex platform 21 and the first noumenon portion 11 and the second body part 12
Choosing uses transition fit.In addition, annular convex platform 21 can change design in the radial height of valve seat 20, it can be according to need
Want, be overlapped the outer peripheral surface of annular convex platform 21 and the outer peripheral surface of valve body 10, can also make the outer peripheral surface of annular convex platform 21 be higher than or
Lower than the outer peripheral surface of valve body 10.And, it is understood that can also be set on valve seat 20 above-mentioned, valve seat 20A, valve seat 20B
Annular convex platform is set, is not repeated to describe herein.
Check valve and its processing method of the invention, by the way that the locating part being fixedly connected with valve seat is arranged, and by locating part
Magnetic attraction part is fixed in the valve port of valve seat, during ensure that non-return valve operational, magnetic attraction part is without departing from valve out
Seat, will not make failure of check valve, improve and guarantee the functional reliability of check valve.Also, in optinal plan, by limiting
Limiting section is set on part and/or valve seat, further ensuring magnetic attraction part will not circumferentially rotate in valve seat.In addition,
In another optinal plan, the present invention while guaranteeing magnetic attraction part functional reliability, also to magnetic attraction part structure into
It has gone design for change, magnetic attraction part is designed as annular, keeps the magnetic force distribution of magnetic attraction part uniform, to the attraction of valve block
It is more uniform steady.In the present invention, locating part, valve seat, valve block frame can be passed through by sheet metal, especially stainless steel materials
Impact style is made, easy to process, at low cost and free from environmental pollution.Wherein, the valve block frame 30 processed by impact style, can be with
In process, the mainstream through-hole 31 for being opened in its side wall and valve block limiting section 32 and valve block guide part 33 are stamped out together,
Processing technology is good.Welding manner between structure and the two of the check valve of the present invention also to valve body, valve seat and valve block frame etc. carries out
Design, not only makes fixed reliable between soldering part, can also increase valve seat, valve block frame, concentricity between diaphragm, reduce film
Pad wear and effectively prevent diaphragm occur it is stuck caused by failure of check valve problem.
It should be noted that the valve seat of check valve of the invention, valve block frame can also be processed using Vehicle Processing mode, but from
Technique and cost angle consider, ideal using punch process mode.In the present invention ' magnetic attraction part is limited part and fixes
In the valve port of valve seat ' described in fixation be not limit be completely fixed the motionless meaning, this ' fixation ' can be absolutely consolidate
It is fixed, can also be it is relatively fixed, it is so-called it is ' relatively fixed ' refer to that magnetic attraction part is limited in the space that valve seat and locating part are constituted,
It does not fall out.
Specific case used herein is expounded the principle of the present invention and specific embodiment, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention.It should be pointed out that for the common 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 art personnel, these change
It is also fallen within the protection scope of the claims of the present invention into modification.
Claims (15)
1. a kind of check valve including the valve body with inlet and outlet and is set to the intracorporal core assembly of the valve, the valve
Core assembly includes the valve seat for offering valve port, valve block frame, magnetic attraction part with valve seat cooperation, is arranged in the valve block frame
There is the valve block for being opened and closed the valve port, which is characterized in that it further include the locating part being fixed on the valve seat, the magnetic attraction part
It is fixed on by the locating part in the valve port of the valve seat.
2. check valve according to claim 1, which is characterized in that on the locating part and/or the valve seat, open up limited
Make the limiting section that the magnetic attraction part circumferentially rotates.
3. check valve according to claim 2, which is characterized in that the locating part includes being fixedly connected with the valve seat
Body part, the protrusion protruded from the body part, the protrusion form the limiting section.
4. check valve according to claim 2, which is characterized in that the side wall of the bottom wall of the valve seat and/or the valve seat
On offer recess portion, the recess portion forms the limiting section.
5. check valve according to claim 1, which is characterized in that the magnetic attraction part is annular.
6. check valve according to claim 5, which is characterized in that be provided with the installation magnetism on the inner wall of the valve seat
Attract the first annular groove of part, the second annular groove with first annular groove in step-like setting is additionally provided on the valve seat, it is described
Locating part is fixed in second annular groove.
7. check valve according to claim 1-6, which is characterized in that the valve body is split type structure, including
The first noumenon portion and the second body part, the peripheral part of the valve seat are provided with annular convex platform, the first noumenon portion and described
Two body parts are fixed by welding in the two sides of the annular convex platform.
8. check valve according to claim 7, which is characterized in that the first noumenon portion, second body part and institute
Valve seat is stated by being brazed integrally molded fixation.
9. check valve according to claim 1-6, which is characterized in that the valve body is split type structure, including
The first noumenon portion and the second body part, the first noumenon portion and second body part are connected to the peripheral part of the valve seat simultaneously
It is fixed by welding on the valve seat.
10. check valve according to claim 9, which is characterized in that the first noumenon portion, second body part and institute
It states valve seat and passes through the integrally molded fixation of Laser Welding.
11. check valve according to claim 1-6, which is characterized in that the valve body is an integral structure, institute
State valve seat, the valve block frame and the integrally molded fixation of the valve body.
12. check valve according to claim 1-6, which is characterized in that the valve block frame is metallic plate punching
Manufactured bowl structure, the side wall of the valve block frame offer mainstream through-hole and valve block limiting section.
13. check valve according to claim 1-6, which is characterized in that the valve seat, the valve block frame and institute
It states locating part and is all made of sheet metal and be made up of impact style.
14. a kind of processing method of check valve described in claim 1, includes the following steps:
Locating part is processed by metallic plate punching mode；
Valve block frame is processed by metallic plate punching mode；
The locating part and the valve block frame are passed through welding manner respectively to be fixed on the valve seat.
15. a kind of processing method of check valve described in claim 1, includes the following steps:
Locating part is made by metallic plate punching mode；
Valve block frame is made by metallic plate punching mode；
Valve body is made by way of metal pipe material rolling；
The locating part is fixed on the valve seat by welding manner；
By the valve seat and the valve block frame and the integrally molded fixation of the valve body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510631708 | 2015-09-29 | ||
| CN2015106317081 | 2015-09-29 |
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| Publication Number | Publication Date |
|---|---|
| CN106553023A CN106553023A (en) | 2017-04-05 |
| CN106553023B true CN106553023B (en) | 2019-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610373459.5A Active CN106553023B (en) | 2015-09-29 | 2016-05-30 | A kind of check valve and its processing method |
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| CN112460298A (en) * | 2019-09-07 | 2021-03-09 | 新昌县丰亿电器有限公司 | Valve seat assembly of diaphragm type one-way valve and one-way valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06123370A (en) * | 1992-10-08 | 1994-05-06 | Cosmo Koki Kk | Check valve |
| CN202252177U (en) * | 2011-09-07 | 2012-05-30 | 宁波日月制冷设备有限公司 | Magnetic one-way valve |
| CN102563138A (en) * | 2011-12-24 | 2012-07-11 | 常州常恒露斯电器有限公司 | Diaphragm type check valve and manufacture method thereof |
| CN203363308U (en) * | 2013-07-03 | 2013-12-25 | 浙江三花股份有限公司 | Diaphragm-type one-way valve |
| CN203963146U (en) * | 2014-07-31 | 2014-11-26 | 浙江三花股份有限公司 | Diaphragm type one-way valve |
| CN204226759U (en) * | 2014-10-20 | 2015-03-25 | 新昌县宏宇制冷有限公司 | A kind of high leak tightness diaphragm type one-way valve |
| CN204226758U (en) * | 2014-10-20 | 2015-03-25 | 新昌县宏宇制冷有限公司 | A kind of leakage proof diaphragm type one-way valve |
-
2016
- 2016-05-30 CN CN201610373459.5A patent/CN106553023B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06123370A (en) * | 1992-10-08 | 1994-05-06 | Cosmo Koki Kk | Check valve |
| CN202252177U (en) * | 2011-09-07 | 2012-05-30 | 宁波日月制冷设备有限公司 | Magnetic one-way valve |
| CN102563138A (en) * | 2011-12-24 | 2012-07-11 | 常州常恒露斯电器有限公司 | Diaphragm type check valve and manufacture method thereof |
| CN203363308U (en) * | 2013-07-03 | 2013-12-25 | 浙江三花股份有限公司 | Diaphragm-type one-way valve |
| CN203963146U (en) * | 2014-07-31 | 2014-11-26 | 浙江三花股份有限公司 | Diaphragm type one-way valve |
| CN204226759U (en) * | 2014-10-20 | 2015-03-25 | 新昌县宏宇制冷有限公司 | A kind of high leak tightness diaphragm type one-way valve |
| CN204226758U (en) * | 2014-10-20 | 2015-03-25 | 新昌县宏宇制冷有限公司 | A kind of leakage proof diaphragm type one-way valve |
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| CN106553023A (en) | 2017-04-05 |
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