CN207122582U

CN207122582U - Valve mechanism and electromagnetic valve

Info

Publication number: CN207122582U
Application number: CN201720701180.5U
Authority: CN
Inventors: 陈静
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-16
Filing date: 2017-06-16
Publication date: 2018-03-20
Anticipated expiration: 2027-06-16

Abstract

The utility model provides a kind of valve mechanism and electromagnetic valve, is related to valve technology field.The valve mechanism includes valve body, top guide and core assembly；Valve body is integrally formed with top guide；Valve body includes become a mandarin chamber and outflow lumen, accommodating chamber is provided with top guide, accommodating chamber runs through top guide；Core assembly is installed in accommodating chamber to control the break-make to become a mandarin between chamber and outflow lumen.The problem of by the utility model, the number of parts alleviated present in the valve mechanism in correlation technique is more, and processing, assembly technology are complicated, and production cost is high.

Description

Valve mechanism and electromagnetic valve

Technical field

It the utility model is related to valve technology field, and in particular to a kind of valve mechanism and electromagnetic valve.

Background technology

In automated and semi-automatic equipment, electromagnetic valve is a kind of electric components being often used.Magnetic valve Door is generally made up of in two sub-sections electromagnet portion and Machinery Ministry.Electromagnet portion can produce or eliminate magnetic field；Mechanical part leads to Often include valve body, top guide and core assembly, core assembly can move to two diverse locations under the influence of a magnetic field, so as to be formed Connection and disconnection two states.

In the prior art, former process for machining and manufacturing is limited to, valve body and top guide are divided into two single parts, lead to Threaded connection is crossed, top guide and valve body junction set sealing ring to seal.This valve mechanism exists and added because number of parts more The problem of work, assembly technology are complicated, and production cost is high.

Utility model content

The purpose of this utility model is to provide a kind of valve mechanism and electromagnetic valve, to alleviate valve of the prior art The problem of structure and electromagnetic valve, existing number of parts is more, and processing, assembly technology are complicated, and production cost is high.

The utility model first aspect provides a kind of valve mechanism, including valve body, top guide and core assembly；Valve body and top guide It is integrally formed；Valve body includes become a mandarin chamber and outflow lumen, accommodating chamber is provided with top guide, accommodating chamber runs through top guide；Core assembly is pacified Loaded on the break-make to be become a mandarin in accommodating chamber with control between chamber and outflow lumen.

Further, core assembly includes valve element, elastic component and capping；Valve element is slidably connected in accommodating chamber, capping peace Openend loaded on top guide；One end of elastic component abuts with valve element, the other end abuts with capping；Valve element is made up of permeability magnetic material, Valve body, top guide, elastic component and capping are made by non-magnet_conductible material；Valve element can be under the driving effect of external magnetic field in accommodating chamber Interior slip.

Further, it is provided with sealing ring between capping and top guide.

Further, accommodating chamber is separated into the first chamber and the second chamber by valve element, and the first chamber communicates with the second chamber.

Further, become a mandarin and first partition be provided between chamber and outflow lumen, first partition will become a mandarin chamber and outflow lumen every It is disconnected；Outflow lumen and become a mandarin second partition is provided between chamber, with accommodating chamber, second partition will become a mandarin chamber and outflow lumen, with receiving Chamber separates；First through hole and the second through hole are offered on second partition；First through hole connects become a mandarin chamber and accommodating chamber, the second through hole Connect outflow lumen and accommodating chamber；When valve element move away from capping one end, first through hole can be closed.

Further, the side of first through hole towards accommodating chamber is provided with projection, and projection is provided with and connected with first through hole Through hole；Set fluted on valve element, groove is engaged with projection.

Further, the position coordinated on valve element with the second through hole is fixed with elastic cushion.

Further, capping is connected with the mode that top guide is connected through a screw thread.

Further, become a mandarin and the 3rd dividing plate be provided between chamber and outflow lumen, the 3rd dividing plate will become a mandarin chamber and outflow lumen every It is disconnected；Third through-hole is provided with 3rd dividing plate, chamber is become a mandarin and outflow lumen is communicated by third through-hole；When valve element moves away from sealing One end of lid, third through-hole can be closed.

The utility model second aspect provides a kind of electromagnetic valve, including：Electronic timer and above-mentioned valve mechanism；Electricity The fourth hole being engaged with the top guide in valve mechanism is provided with sub- timer, and magnetic field can be produced in fourth hole, To drive the valve core movement in valve mechanism；Top guide interts in fourth hole and locked by retaining mechanism.By controlling electricity Sub- timer produces or eliminated magnetic, the position of the valve element come in control valve structure, so as to becoming a mandarin for control valve structure Break-make between chamber and outflow lumen.

The utility model provides a kind of valve mechanism and electromagnetic valve, is related to the technical field of valve mechanism.The valve knot Structure includes valve body, top guide and core assembly；Valve body is integrally formed with top guide；Valve body includes become a mandarin chamber and outflow lumen, is set on top guide Accommodating chamber is equipped with, accommodating chamber runs through top guide；Core assembly is installed in accommodating chamber and become a mandarin leading between chamber and outflow lumen with control It is disconnected.A kind of electromagnetic valve is also provided in addition, magnetic field is produced by electronic timer to change the position of core assembly.

Compared with prior art, the top guide in the utility model and valve body shaping, it is whole into one by mould mold Body, two parts synthesize a parts, can save the connector and seal between valve body and top guide, the totality zero of valve mechanism Number of packages amount is reduced, and is reduced assembly process, is made the complexity of assembly technology reduce；And, it is no longer necessary to process top guide and valve body On connection, sealing structure, therefore machine sequence be also simplified, so as to save the overall manufacturing cost of valve mechanism.

To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, the utility model cited below particularly compared with Good embodiment, and accompanying drawing appended by cooperation, are described below in detail.

Brief description of the drawings

, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment Accompanying drawing be briefly described.It should be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.

Fig. 1 is the sectional view under valve mechanism open mode in first embodiment；

Fig. 2 is the sectional view under valve mechanism closed mode in first embodiment；

Fig. 3 is that top guide integrated in first embodiment and valve body cut open map；

Fig. 4 is the partial enlarged drawing at A in Fig. 1；

Fig. 5 is the sectional view under valve mechanism open mode in second embodiment.

In figure：01- valve bodies；011- becomes a mandarin chamber；012- outflow lumens；013- first partitions；014- second partitions；0141- One through hole；The through holes of 0142- second；015- is raised；The dividing plates of 016- the 3rd；0161- third through-holes；02- top guides；021- accommodating chambers； The chambers of 0211- first；The chambers of 0212- second；03- is covered；031- sealing rings；04- helical springs；05- valve elements；051- grooves；052- Elastic cushion.

Embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", be only used for describe purpose, and it is not intended that instruction or imply relative importance.Wherein, term " first Put " with " second place " it is two different positions.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

First embodiment：

Referring to Fig.1 and 2, Fig. 1 is the sectional view under valve mechanism open mode in first embodiment, Fig. 2 is first Sectional view in embodiment under valve mechanism closed mode.A kind of valve mechanism, including valve body 01, top guide 02 and core assembly.

Reference picture 3, valve body 01 are integrally formed with top guide 02, by mould mold into an entirety.So design, make two Part synthesizes a part, can save the connector and seal between valve body 01 and top guide 02, the overall part of valve mechanism Quantity is reduced, and is reduced assembly process, is reduced the complexity of assembly process；Moreover, also no longer need to process top guide 02 and valve Connection, sealing structure between body 01, machining sequence are simplified, and save the overall manufacturing cost of valve mechanism.Except this Outside, it is divided into two parts and then together with reassembling compared to valve body 01 of the prior art and top guide 02, the utility model The problem of being leaked in the absence of valve body 01 and the junction of top guide 02.

Valve body 01 includes become a mandarin chamber 011 and outflow lumen 012, and the chamber 011 that becomes a mandarin connects with water influent pipeline, and outflow lumen 012 is with going out Liquid pipeline connects.Accommodating chamber 021 is provided with top guide 02, accommodating chamber 021 is in cylinder, inner wall smooth, the length of accommodating chamber 021 Top guide 02 is run through in direction, extend to the junction of become a mandarin chamber 011 and outflow lumen 012 respectively with chamber 011 and the phase of outflow lumen 012 of becoming a mandarin Together.Core assembly is installed in accommodating chamber 021, to control the break-make to become a mandarin between chamber 011 and outflow lumen 012.

Further, referring to Figures 1 and 2, core assembly includes valve element 05, elastic component and capping 03.Valve element 05 is in cylinder Shape, it is slidably connected in accommodating chamber 021, can be done reciprocating linear motion along the inwall of accommodating chamber 021.Capping 03 is installed on top guide 02 Openend.

Elastic component can select helical spring 04, can also select elastic caoutchouc air bag etc..Spiral shell is selected in the present embodiment Revolve spring 04；One end of helical spring 04 abuts with valve element 05, the other end abuts with capping 03.

It should be noted that the valve mechanism in the utility model can be normally opened or normally closed.If Normally opened, then one end of helical spring 04 is fixedly connected with valve element 05, and the other end is also to be fixedly connected with capping 03, helical spring 04 Normality is elongation state；If normally closed, then both may be used between helical spring 04 and valve element 05 and helical spring 04 and capping 03 To be to be fixedly connected or only contact, the normality of helical spring 04 is compressive state.

Valve element 05 is made up of permeability magnetic material, and the permeability magnetic material can be 45 steel or silicon steel；Valve body 01, top guide 02, spiral Spring 04 and capping 03 are made by non-magnet_conductible material, and the non-magnet_conductible material can be austenitic stainless steels, can also be copper Or the non-ferrous metal such as aluminium；Valve element 05 can slide under the driving effect of external magnetic field in accommodating chamber 021.

Further, it is provided with sealing ring 031 between capping 03 and top guide 02.Specifically, processed in the openend of top guide 02 There is interior chamfering, for placing sealing ring 031.Sealing ring 031 is positioned at capping 03 and the junction of top guide 02, to improve junction Sealing, prevent from leaking here.

Further, accommodating chamber 021 is separated into the first chamber 0211 and the second chamber 0212, the first chamber 0211 and by valve element 05 Two chambers 0212 communicate.First chamber 0211 be located at valve element 05 with covering 03 relative side, the second chamber 0212 is located at valve element 05 Side away from capping 03, the first chamber 0211 and the second chamber 0212 are connected, can be realized in accordance with the following methods：On valve element 05 Axial through hole is opened up, one end of the through hole is connected with the first chamber 0211, and the other end is connected with the second chamber 0212；In addition, may be used also To set gap between valve element 05 and the inwall of accommodating chamber 021 to connect the first chamber 0211 and the second chamber 0212.Due to capping 03 The top of first chamber 0211 is sealed, the first chamber 0211 connects with the second chamber 0212, can prevent valve element 05 to by During the direction motion of nearly end socket, the air in the first chamber 0211 produces resistance by compression to valve element 05.

Further, reference picture 3 and Fig. 4, become a mandarin and first partition 013 is provided between chamber 011 and outflow lumen 012, first Dividing plate 013 will become a mandarin chamber 011 and outflow lumen 012 separates；Outflow lumen 012 and becoming a mandarin is provided between chamber 011, with accommodating chamber 021 Second partition 014, second partition 014 will become a mandarin between chamber 011 and accommodating chamber 021 and the interval of outflow lumen 012 and accommodating chamber 021 Open.The through hole 0142 of first through hole 0141 and second is offered on second partition 014；First through hole 0141 connects the He of chamber 011 that becomes a mandarin Accommodating chamber 021, the second through hole 0142 connection outflow lumen 012 and accommodating chamber 021.When valve element 05 moves away from one end of capping 03 When being abutted with second partition 014, first through hole 0141 can be closed, the passage for making to become a mandarin between chamber 011 and accommodating chamber 021 disconnects, Liquid is blocked in the chamber 011 that becomes a mandarin, it is impossible to flows to outflow lumen 012；When valve element 05 is moved adjacent to one end of capping 03, away from the During two dividing plates 014, first through hole 0141 is unimpeded, and liquid can flow into accommodating chamber 021 from the chamber 011 that becomes a mandarin by first through hole 0141, Again outflow lumen 012 is flow to through the second through hole 0142.Thus can be by controlling position of the valve element 05 in accommodating chamber 021 Put, to control the connection or disconnection that become a mandarin between chamber 011 and outflow lumen 012.

Further, reference picture 4, the side of accommodating chamber 021 is provided with projection 015 on second partition 014, it is raised 015 is provided with the through hole connected with first through hole 0141；Fluted 051 is set on valve element 05, groove 051 matches with projection 015 Close.Groove 051 and the cooperation of projection 015, add the contact area of valve element 05 and first through hole 0141, improve seal Energy.

Projection 015 and the shape of the groove 051 coordinated with it can be cylinder or cone, but should not adopt With the structure that section is polygon.The cylinder of processing, the axis and groove of projection 015 are preferably easily in the present embodiment Axis of 051 axis with first through hole 0141 overlaps, and is processed respectively at raised 015 top and the opening of groove 051 Go out chamfering, coordinated with facilitating to enter to be formed in groove 051 in the motion process projection 015 of valve element 05.

Further, referring to Fig. 4, the position coordinated on valve element 05 with first through hole 0141 is fixed with elastic cushion 052, with Strengthen airtight performance.In the present embodiment, elastic cushion 052 is fixedly mounted on the bottom of groove 051.The material of elastic cushion 052 Material can be other flexible materials such as silica gel or rubber or fiber, specifically what material be considered as this from The chemical property for the fluid that valve mechanism passes through, fluid is avoided to cause to corrode to elastic cushion 052；The thickness of elastic cushion 052 And shape should determine according to the space between groove 051 and projection 015.

Further, the mode that capping 03 is connected through a screw thread with top guide 02 is connected.Circular cylindrical projection is provided with capping 03 Post, external screw thread is machined with the periphery of cylindrical projection, the inwall upper part of accommodating chamber 021 is machined with and cylindrical projection On external screw thread coordinate internal thread.The circular cylindrical projection post part of capping 03 is inserted into accommodating chamber 021, and the step for covering 03 supports The end face of top guide 02 is connected to, capping 03 is coordinated with top guide 02 by screw thread to be fixed together.As another embodiment, capping Cylindrical cavity is provided with 03, cylindrical cavity inwall processing has internal thread, and the outer wall of top guide 02 is machined with external screw thread, capping 03 It is linked on top guide 02 to coordinate by screw thread and achieves a fixed connection；In addition, screw can also be passed through between capping 03 and top guide 02 To be fixedly connected.

Second embodiment：

Compared with first embodiment, the present embodiment only connection between the chamber 011 that becomes a mandarin, outflow lumen 012 and accommodating chamber 021 Difference on position, and the structure of valve element 05 be present.

Reference picture 5, the sectional view in second embodiment under valve mechanism open mode, become a mandarin chamber 011 and outflow lumen 012 it Between be provided with the 3rd dividing plate 016, the 3rd dividing plate 016 will become a mandarin chamber 011 and outflow lumen 012 is separated；It is provided with 3rd dividing plate 016 Third through-hole 0161, becomes a mandarin chamber 011 and outflow lumen 012 is communicated by third through-hole 0161.When valve element 05 moves away from covering 03 one end, a side of valve element 05 fit to third through-hole 0161, third through-hole 0161 are blocked, make fluid be blocked in Become a mandarin chamber 011；When valve element 05 is moved adjacent to one end of capping 03, the bottom of valve element 05 is away from third through-hole 0161, and become a mandarin chamber 011 is connected with outflow lumen 012 by third through-hole 0161.

The utility model also provides a kind of electromagnetic valve, including electronic timer and valve mechanism as described above；Electronics The fourth hole being engaged with the top guide 02 in valve mechanism is provided with timer, and magnetic field can be produced in fourth hole, To drive the valve element 05 in valve mechanism to move；Top guide 02 interts in fourth hole and locked by retaining mechanism.

The primary structure of electronic timer is coil, and coil is located at fourth hole periphery, can be in four-way to coil electricity Magnetic field is produced in hole.Magnetic field to made of permeability magnetic material valve element 05 act power, driving valve element 05 moves in accommodating chamber 021 It is dynamic.The direction of the active force can adjust according to actual conditions.Valve mechanism in the utility model can be it is normally closed, can also It is normally opened.If normally opened, then magnetic field is to the active force of valve element 05 away from capping 03, and normality bottom spool 05 is in helical spring 04 It is in the presence of pulling force close to one end of capping 03；If normally closed, then capping 03 is pointed in magnetic field to the active force of valve element 05, Normality bottom spool 05 is in one end away from capping 03 in the presence of the pressure of helical spring 04.The power on/off of coil can be with hand Dynamic control, can also be automatically controlled, and setting a period of time, coil is auto-power on or powers off.

External screw thread is machined with the periphery of capping 03, top guide 02 is interspersed in the fourth hole of electronic timer, capping 03 exceeds the end face of fourth hole, and top guide 02 is fixed into electronic timer by the nut coordinated with the external screw thread in capping 03 On.

As another connected mode, cover and circlip groove is machined with 03 periphery, top guide 02 is interspersed in electronic timing In the fourth hole of device, circlip groove exceeds the end face 0.5mm of fourth hole, passes through the circlip being engaged in above-mentioned circlip groove It will be locked between top guide 02 and electronic timer.

The course of work：

First, the electromagnetic valve is normally opened：

In normality, coil blackout does not produce magnetic field, and helical spring 04 is in extended state, and valve element 05 is in helical spring 04 Pulling force effect under be in close to one end of capping 03, the passage between chamber 011 and outflow lumen 012 of becoming a mandarin is opened, and fluid is from entering Stream chamber 011 flows to outflow lumen 012 by accommodating chamber 021；

When electronic timer works, coil electricity produces magnetic field, and magnetic field produces the work away from 03 direction of capping to valve element 05 Firmly, valve element 05 overcomes the pulling force of helical spring 04 under the driving of the active force, moves away from one end of capping 03, blocks The passage to become a mandarin between chamber 011 and outflow lumen 012, fluid are blocked in the chamber 011 that becomes a mandarin.

2nd, the electromagnetic valve is normally closed：

In normality, coil blackout does not produce magnetic field, and helical spring 04 is in compressive state, and valve element 05 is in helical spring 04 Pressure effect it is lower be in one end away from capping 03, block the passage to become a mandarin between chamber 011 and outflow lumen 012, fluid is hindered Break in the chamber 011 that becomes a mandarin.

When electronic timer works, coil electricity produces magnetic field, and magnetic field produces the work for pointing to 03 direction of capping to valve element 05 Firmly, valve element 05 overcomes the pressure of helical spring 04 under the driving of the active force, is moved adjacent to one end of capping 03, becomes a mandarin Passage between chamber 011 and outflow lumen 012 is opened, and fluid flows to outflow lumen 012 from the chamber 011 that becomes a mandarin.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims

1. a kind of valve mechanism, it is characterised in that including valve body, top guide and core assembly；

The valve body is integrally formed with the top guide；

The valve body includes become a mandarin chamber and outflow lumen, accommodating chamber is provided with the top guide, the accommodating chamber runs through the top guide And become a mandarin chamber and the outflow lumen communicates with described respectively；The core assembly is installed in the accommodating chamber to enter described in control Flow the break-make between chamber and the outflow lumen.

2. valve mechanism according to claim 1, it is characterised in that the core assembly includes valve element, elastic component and envelope Lid；

The valve element is slidably connected in the accommodating chamber, described to cover the openend for being installed on the top guide；The elastic component One end abutted with the valve element, the other end with it is described capping abut；

The valve element is made up of permeability magnetic material, and the valve body, the top guide, the elastic component and the capping are by not magnetic conduction material Material is made；The valve element can move under the driving effect of external magnetic field in the accommodating chamber.

3. valve mechanism according to claim 2, it is characterised in that sealing is provided between the capping and the top guide Circle.

4. valve mechanism according to claim 2, it is characterised in that what the capping was connected through a screw thread with the top guide Mode connects.

5. valve mechanism according to claim 2, it is characterised in that the accommodating chamber is separated into the first chamber by the valve element With the second chamber, first chamber communicates with second chamber.

6. valve mechanism according to claim 2, it is characterised in that described become a mandarin is provided between chamber and the outflow lumen First partition, the first partition separate chamber and the outflow lumen of becoming a mandarin；The outflow lumen and the chamber that becomes a mandarin, with institute State and second partition is provided between accommodating chamber, the second partition is by become a mandarin chamber and the outflow lumen, with the accommodating chamber Cut-off；

First through hole and the second through hole are offered on the second partition；Become a mandarin chamber and the appearance described in the first through hole connection Receive chamber, second through hole connects the outflow lumen and the accommodating chamber；When the valve element moves away from the one of the capping End, can close the first through hole.

7. valve mechanism according to claim 6, it is characterised in that the first through hole is towards the side of the accommodating chamber Projection is provided with, it is described raised provided with the through hole connected with the first through hole；Set on the valve element it is fluted, it is described recessed Groove is engaged with the projection.

8. valve mechanism according to claim 6, it is characterised in that coordinate on the valve element with second through hole Position is fixed with elastic cushion.

9. valve mechanism according to claim 2, it is characterised in that described become a mandarin is provided between chamber and the outflow lumen 3rd dividing plate, the 3rd dividing plate separate chamber and the outflow lumen of becoming a mandarin；Threeway is provided with 3rd dividing plate Hole, it is described to become a mandarin chamber and the outflow lumen is communicated by the third through-hole；When the valve element moves away from the capping One end, the third through-hole can be closed.

A kind of 10. electromagnetic valve, it is characterised in that including：Electronic timer and the valve as described in claim 1-9 any one Door；

The fourth hole being engaged with the top guide in the valve mechanism is provided with the electronic timer, and can be described Magnetic field is produced in four through holes, to drive the valve core movement in the valve mechanism；The top guide interts in the fourth hole And locked by locking mechanism.