CN201202875Y - Electromagnetic valve - Google Patents
Electromagnetic valve Download PDFInfo
- Publication number
- CN201202875Y CN201202875Y CNU2008201152745U CN200820115274U CN201202875Y CN 201202875 Y CN201202875 Y CN 201202875Y CN U2008201152745 U CNU2008201152745 U CN U2008201152745U CN 200820115274 U CN200820115274 U CN 200820115274U CN 201202875 Y CN201202875 Y CN 201202875Y
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- CN
- China
- Prior art keywords
- link press
- press span
- valve
- support
- bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
Disclosed is an electromagnetic valve, which belongs to the fluid control component, the prior art has shortcomings that the bracket material consumption is large, and a bracket and a connecting bracket can only be connected to avoid detachment between upside and downside through bolt or welding; and the utility model provides a structure which can not only save material, but also can more reliably realizes the structure which fixedly connect the connecting bracket with the bracket. The bracket and the connecting bracket are connected in buckling and matching way, a pair of limit buttons is respectively arranged at both sides of the bracket, limit grooves which are matched with the limit buttons are respectively arranged at both sides of the connecting bracket, and one side of the connecting bracket is fixedly connected with the corresponding side of the bracket. The utility model has the advantages that the structure is simple, the positioning is reliable, and the material can be saved.
Description
Technical field
The utility model relates to a kind of structure of fluid control component, and a kind of specifically linkage structure of the solenoid valve with pilot valve is as a kind of main valve of the solenoid directional control valve that air-conditioning refrigeration system control refrigerant flows to and linkage structure of pilot valve of being used for.
Background technique
Be that example is specifically described below with the solenoid directional control valve, the air-conditioning refrigeration system that uses solenoid directional control valve as shown in Figure 1, solenoid directional control valve is made up of electromagnetic coil 1, pilot valve 2, main valve 3 three parts, its structure and working principle are described below:
Main valve comprises a columnar valve body 31, the entrance sleeve D (being the zone of high pressure) that is connected with compressor outlet (relief opening) is arranged on it, the discharge connection S (being low pressure area) that is connected with suction port of compressor end (intakeport), the conduit E that is connected with indoor heat converter, the conduit C that is connected with outdoor heat converter, there are end cap 33 sealing at the valve body two ends, interior welds has valve seat 36, slide block 35 that also useful connecting rod 32 fuses and pair of pistons 34, valve seat and the slide block kinematic pair that partners, piston and valve body are then formed another to kinematic pair, be separated into left chamber's (E side) that the position can change by piston, main valve inner chamber (301), right chamber (C side), piston then leans on shelves with the end cap face in valve body as the location, in the valve pocket structure of valve body of main valve and end cap composition, connection e is arranged, c joint capillaceous, be to drive slide block in the stroke that end face limited of a pair of two end caps of piston in valve body that connect by connecting rod to slide, so that realize that by the mobile displacement of slide block E/C takes over the commutation of inner fluid.
Pilot valve comprises sleeve pipe 28, its right-hand member is welded with end socket 21, form the pilot valve inner chamber, the inner chamber left side is welded with little valve seat 29, have four step through-holes on the little valve seat, be welded with capillary tube d/e/s/c on the through hole respectively, capillary tube d and main valve D take over, capillary tube e and chamber, main valve left side valve body, capillary tube s and S take over, capillary tube c is connected respectively with the right chamber of main valve valve body, therefore the pilot valve inner chamber is the zone of high pressure, and s is a low pressure area, inner chamber has the core iron 24 that can horizontally slip and suppresses returning spring 23 in its hole, be connected as a single entity by riveted joint in addition, trailing frame 25 and the spring sheet 26 of riveted fixing in the core iron hole together then, trailing frame has perforate, the sliding bowl 27 that the bottom has shrinkage pool promptly is inlaid in this hole, spring sheet then roof pressure on the top of sliding bowl, it is close on the little valve base surface sliding bowl lower end surface, sliding bowl can slide on little valve base surface with core iron/trailing frame assembly, sliding bowl has been formed a kinematic pair with little valve seat, its inner chamber (being capillary tube s) is a low pressure area, and its back (being the pilot valve inner chamber) is the zone of high pressure, and therefore sliding bowl is bearing the difference force that produces therefrom, and the sealing of kinematic pair is mainly realized by this difference force.
When air-conditioning needs refrigerating operaton, the electromagnetic coil no electric circuit, under the effect of returning spring, core iron drives sliding bowl and moves to left together, thereby make e and s capillary tube, c communicates respectively with the d capillary tube, because taking over, S is low pressure area, so the gas in chamber, a main valve left side passes through e, s capillary tube and sliding bowl and flow into low pressure area, therefore left chamber becomes low pressure area, and the right chamber of main valve is owing to there be replenishing from c high pressure air capillaceous, thereby become the zone of high pressure, so between the chamber, the left and right sides of main valve, just formed a pressure difference, and therefore slide block and piston have been pushed to left side, make E, S takes over and communicates, D, C takes over and to communicate, and this moment, the refrigeration agent circulation path of internal system was: compressor discharge pressurized gas → D adapter → main valve inner chamber → C adapter → outdoor heat converter → throttle element → indoor heat converter → E adapter → S take over → is sucked by compressor then, so system is in the refrigeration work state.
When air-conditioning needed heating operation, electromagnetic coil is energising just, and under the effect of coil electromagnetic force, core iron overcomes the active force of returning spring and drives sliding bowl and move to right together, and c is communicated respectively with the d capillary tube with s capillary tube, e.As mentioned above, the right chamber of main valve just becomes low pressure area, left chamber then becomes the zone of high pressure, therefore slide block and piston just have been pushed to the right side, make C, and S takes over and communicates, D, E takes over and communicates, and the refrigeration agent circulation path of this moment is: exhaust outlet of compressor → D adapter → main valve inner chamber → E adapter → indoor heat converter → throttle element → outdoor heat converter → C adapter → S adapter → compressor air suction mouth heats working state so system is in.
Realize the commutation of main valve as mentioned above by the commutation of pilot valve, and by the switching of main valve to pipeline, just make indoor heat converter become the condenser of the state that heats from the vaporizer of refrigerating state, outdoor heat converter has then become vaporizer from condenser, thus the purpose of the dual-use that makes air-conditioning realize freezing summer to heat winter.
In actual applications, because the solenoid valve installing space is limit, and in order to guarantee reliable operation, main valve is often fixedlyed connected with pilot valve, common way is that link press span is set on pilot valve, support is set on main valve,, thereby realizes fixing of main valve and pilot valve by fixedlying connected of link press span and support.And because solenoid valve when system works, often has very big vibration, therefore directly by welding or alternate manner with the mode that link press span and support fuse, very easily cause the stress of contact to be concentrated, thereby reduced the reliability that connects.
In order to solve this defective, claimant's No. 200420037184.0 patent disclosures a kind of new pilot valve and the linkage structure of main valve.Fig. 2 is its linkage structure schematic representation.Be fixed with coil G1 on the pilot valve G2, support G5 and link press span G4 are individually fixed on main valve G3 and the pilot valve G2, and mutually reliable socket is also fixedly connected.This programme is by offering restraining groove in the upper-end surface of at least one side of support G5, and is provided with the convex surface that matches with restraining groove at the link press span G4 of correspondence inner face.When link press span G4 cooperated with support G5, described convex surface was just conflicted on described restraining groove, thereby can bear the part pressure loading of pressing up and down; By on the side of support G5 bi-side, being symmetrical arranged the spacing button of the link press span G4 side side that links closely, when link press span G4 cooperates with support G5, the side of link press span G4 bi-side is fastened by this spacing button, thereby has prevented to throw off before and after link press span G4 and the support G5.This scheme has been improved the stress that be connected contact of link press span with support, has improved the reliability of this connection.
But this scheme has increased the height of support in order to realize the reliable butt of link press span and support, thereby has brought the increase of material consumption; Convex surface and the pressure loading that only can bear up and down pressing cooperating of restraining groove, then the tensile load of throwing off up and down only can connect by welding or screw and bears.
The model utility content
The technical assignment of the technical problems to be solved in the utility model and proposition is the defective that overcomes prior art, and a kind of material of both having saved is provided, the structure of again can more reliable realization link press span fixedlying connected with support.The utility model is by the following technical solutions for this reason:
Solenoid valve comprises main valve, and pilot valve is arranged on the electromagnetic coil on the pilot valve, the support of fixedlying connected with main valve, and the link press span of fixedlying connected with pilot valve is characterized in that, described support is connected by snap fit with described link press span.
Preferably, the dual-side of described support is respectively arranged with a pair of spacing button, and the dual-side of described link press span is respectively arranged with the restraining groove that matches with described spacing button.By the engagement connection of spacing button and restraining groove, pilot valve and main valve is thrown off up and down or the power load of pressing up and down in the time of can bearing the work of a part of solenoid valve,
As to the replenishing of such scheme, side of described link press span is fixedlyed connected with the respective side of described support.By fixedly connected, can prevent horizontally slipping between support and the link press span.
Preferably, described fixedly connected mode is that screw connects.
The beneficial effects of the utility model are:
Only need spacing button is set on support, the groove that is complementary with it be set on link press span, just can guarantee support and link press span about, the front and back four direction realizes locating; The end of support does not need to contact to bear the load of above-below direction with link press span, therefore, can save a large amount of timbering materials.
Only need to fixedly connected with the respective side of described support in a side of link press span, just can realize the location of the left and right directions of support and link press span, and can guarantee stressed evenly, and need all not connect at two sides of link press span with screw or other Placement.
Description of drawings
Fig. 1 is the electromagnetic valve structure of prior art and the schematic representation that uses in refrigeration system;
Fig. 2 is the link press span of prior art and the schematic representation of a frame connecting structure;
Fig. 3 is the structural profile schematic representation of link press span;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the right elevation of Fig. 3;
Fig. 6 is the structural representation of support;
Fig. 7 is the left view of Fig. 6.
Fig. 8 is the utility model link press span and the schematic representation that props up frame connecting structure;
Fig. 9 is the left-hand view of Fig. 8;
Among the figure:
The 1-electromagnetic coil;
2-pilot valve, 21-end socket, 22-divided magnetic ring, 23-returning spring, 24-core iron, 25-trailing frame, 26-spring sheet, the sliding bowl of 27-, 28-sleeve pipe, 281/-cannula tip, the little valve seat of 29-, d/e/s/c-capillary tube;
3-main valve, 31-valve body, 32-connecting rod, 33-end cap, 34-piston, 35-slide block, 36-valve seat, D-entrance sleeve, S-discharge connection, E/C-conduit.
The 4-compressor;
5-(outdoor) heat exchanger;
The 6-throttle element;
7-(indoor) heat exchanger.
8-link press span, 81-top, 82/83-link press span side, 84-link press span screw hole, 85/88-restraining groove, 86-concave surface, 87-link press span hole;
9-support, 91-bottom, 92/93-support side, 94-bracket screw hole, the spacing button of 95/98-, 96-bracket holes, 97-spot welding boss, 99-projection;
The 10-screw.
Embodiment
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with drawings and embodiments.
Solenoid valve mainly is made up of electromagnetic coil 1, pilot valve 2, main valve 3 three parts.
The working principle of solenoid valve in refrigeration system is existing in background technique to be introduced in detail, and solenoid valve working principle of the present utility model is identical with the solenoid valve of prior art, does not repeat them here.
Referring to Fig. 3, Fig. 4 and Fig. 5, Fig. 3 is the structural representation of the utility model link press span.Fig. 4 is the left view of Fig. 3.Fig. 5 is the right elevation of Fig. 3
The valve body external diameter of the radian of described concave surface 86 and pilot valve 2 is complementary, and adopts the mode of welding that link press span 8 is fixed on the pilot valve 2, and the link press span hole 87 that capillary tube d, e on the pilot valve 2, s, c pass on the concave surface 86 is connected with the corresponding site of main valve.
Referring to Fig. 6 and Fig. 7.Fig. 6 is the structural representation of support, and Fig. 7 is the left view of Fig. 6.
Support 9 to being " U " shape, is made up of bottom 91 and two sides 92,93 greatly.The lower end surface of bottom 91 is the arc surface type, and its middle part has bracket holes 96, and this hole is a square through hole, not only can save a part of timbering material, and can prevent the outer surface poor fit of support arc surface and main valve body; Side 92 offers bracket screw hole 94 on its vertical center line, be provided with projection 99 at the end towards the support inboard, and this projection 99 is passed through in bracket screw hole 94; Be respectively arranged with spacing button 95 at the edge on side 92 both sides.Accordingly, the edge on side 93 both sides also is respectively arranged with spacing button 98, roughly is in identical height with spacing button 95.Bottom 91 is provided with spot welding with boss 97, is used for support 9 spot welding are fixed on main valve body.
The radian of the lower end surface of bottom 91 and the valve body external diameter of main valve 2 are complementary, and adopt the mode of welding that support 9 is fixed on the main valve 3.
Assembly relation about link press span 8 and support 9 sees also Fig. 8 and Fig. 9.Fig. 8 is link press span and the schematic representation that props up frame connecting structure, and Fig. 9 is the left-hand view of Fig. 8.
Below describe according to view direction shown in Figure 8.
With the staggered downwards support 9 that is welded on the main valve 3 of putting into of link press span 8 that is welded on the pilot valve 2, make the left side flange 82 of link press span 8 be positioned at support 9 left side flange 92 the right side and be abutted against mutually, the right side flange 83 of link press span 8 be positioned at support 9 right side flange 93 the right side and be abutted against mutually, make link press span screw hole 84 axially relative with bracket screw hole 94,4 spacing deduction of points on the support 9 do not match with 4 restraining grooves on the link press span 8, thereby make link press span 8 and support 9 in front and back, realize locating on the four direction up and down.
At last, screw 10 is passed link press span screw hole 84 and bracket screw hole 94 and tighten, make link press span 8 and support 9 also realize the location at left and right directions.Because a side side 92 of support is provided with projection (99) towards the support inboard, increased screw and connected the length of effective thread, so it is more reliable that screw is connected.
The above only is the preferred embodiment that the utility model is used for solenoid directional control valve, is not the utility model is done any pro forma restriction, and the utility model is equally applicable to the linkage structure of its main valve and pilot valve in solenoid valve of other band external pilot valve.Any those of ordinary skill in the art, do not breaking away under the technical solutions of the utility model scope situation, all can utilize the method and the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Can be arranged on the link press span such as spacing button, and on support, offer corresponding restraining groove; Link press span and support also can adopt mode of rivet or welding or the like when locating about realizing.
Therefore, every content that does not break away from technical solutions of the utility model, all still belongs in the scope of technical solutions of the utility model protection any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present utility model.
Claims (5)
1, solenoid valve, comprise main valve (3), pilot valve (2), be arranged on the electromagnetic coil (1) on the pilot valve (2), the support (9) of fixedlying connected, the link press span (8) of fixedlying connected with pilot valve (2) with main valve (3), described support (9) has two sides (92,93), described link press span (8) has two sides (82,83), it is characterized in that, described support (9) is connected by snap fit with described link press span (8); (8) sides of described link press span are fixedlyed connected with the respective side of described support (9).
2, solenoid valve as claimed in claim 1 is characterized in that, the dual-side of described support (9) is respectively arranged with a pair of spacing button (95,98), and the dual-side of described link press span (8) is respectively arranged with the restraining groove (85,88) that matches with described spacing button.
3, solenoid valve as claimed in claim 1 is characterized in that, described side (92) is provided with bracket screw hole (94), and described side (82) is provided with link press span screw hole (95).
4, solenoid valve as claimed in claim 3 is characterized in that, the inboard of described side (92) is provided with projection (99), and described projection (99) is passed through in described bracket screw hole (94).
5, solenoid valve as claimed in claim 1 is characterized in that, described fixedly connected mode is that screw connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201152745U CN201202875Y (en) | 2008-05-09 | 2008-05-09 | Electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201152745U CN201202875Y (en) | 2008-05-09 | 2008-05-09 | Electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201202875Y true CN201202875Y (en) | 2009-03-04 |
Family
ID=40425186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201152745U Expired - Lifetime CN201202875Y (en) | 2008-05-09 | 2008-05-09 | Electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201202875Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200199A (en) * | 2010-03-22 | 2011-09-28 | 浙江三花制冷集团有限公司 | Electromagnetic valve connecting device, electromagnetic valve and heat exchange device |
| CN102537466A (en) * | 2010-12-29 | 2012-07-04 | 浙江三花制冷集团有限公司 | Guide valve body part, guide valve with guide valve body part, and four-way reversing valve |
-
2008
- 2008-05-09 CN CNU2008201152745U patent/CN201202875Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200199A (en) * | 2010-03-22 | 2011-09-28 | 浙江三花制冷集团有限公司 | Electromagnetic valve connecting device, electromagnetic valve and heat exchange device |
| CN102200199B (en) * | 2010-03-22 | 2015-05-06 | 浙江三花制冷集团有限公司 | Electromagnetic valve connecting device, electromagnetic valve and heat exchange device |
| CN102537466A (en) * | 2010-12-29 | 2012-07-04 | 浙江三花制冷集团有限公司 | Guide valve body part, guide valve with guide valve body part, and four-way reversing valve |
| CN102537466B (en) * | 2010-12-29 | 2015-06-03 | 浙江三花制冷集团有限公司 | Guide valve body part, guide valve with guide valve body part, and four-way reversing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090304 |