CN204114297U - A kind of miniature electromagnetic valve - Google Patents
A kind of miniature electromagnetic valve Download PDFInfo
- Publication number
- CN204114297U CN204114297U CN201420408340.3U CN201420408340U CN204114297U CN 204114297 U CN204114297 U CN 204114297U CN 201420408340 U CN201420408340 U CN 201420408340U CN 204114297 U CN204114297 U CN 204114297U
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- China
- Prior art keywords
- electromagnetic valve
- miniature electromagnetic
- permanent magnet
- bibcock
- air flue
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Abstract
The utility model discloses a kind of miniature electromagnetic valve, comprise valve body, valve gap and bibcock; Valve gap comprises air flue; Bibcock comprises sliding sleeve, is provided with the permanent magnet arranged pole for a pair in sliding sleeve; The latus rectum of air flue is 2.0-10.0mm.The bibcock of this miniature electromagnetic valve does not adopt mechanical spring, but devising a pair permanent magnet, this permanent magnet is arranged pole, substantially increases the driving force of magnetic switch, make the blocking-up of solenoid valve, to connect the sensitivity of turnover air flue higher, magnetic switch commutation more flexibly, fast; The air flue latus rectum of this miniature electromagnetic valve is designed to 2.0-10.0mm, thus makes the existing solenoid valve of the area ratio of air-flow path expand 25-100 doubly, extends the Applicable scope of miniature electromagnetic valve widely.
Description
Technical field
The utility model relates to a kind of solenoid valve, is specifically related to a kind of miniature electromagnetic valve.
Background technique
Miniature electromagnetic valve is the crucial executive component in a kind of automated control technology widely used, at present, miniature electromagnetic valve on market is due to the reason of the aspects such as design principle, structure and manufacture, it is less than normal that ubiquity negotiability, defects such as can not adapting to the extensive needs of user, operating current is large, coil easily generates heat, can not work long hours.
Application number be 201120174797.9 patent discloses a kind of low-power miniature electromagnetic valve, the deficiency of this solenoid valve to above-mentioned traditional miniature electromagnetic valve is improved, as: make the inlet hole latus rectum of valve body be extended to 0.7-2.0mm from original 0.7mm, thus make being much improved by rate-of flow of miniature electromagnetic valve, but compared with a lot of functional need, medium latus rectum is still less than normal, it still also exists and adopts the working method continuing high current electrifying (referring to the intensification heating that operating current can cause electromagnetic valve coil not allowed) and the structure utilizing mechanical spring to reset simultaneously, cause existing solenoid valve using scope partially narrow, flexibility shortcoming is used to also have switch sensitive reversing degree poor, easily there is heating in coil, hot phenomenon, working life the problem such as short and poor stability.
Model utility content
The purpose of this utility model is to provide a kind of miniature electromagnetic valve, solves that existing electromagnetic valve switch MEDIA FLOW flux is little, problem that the easily heating that works long hours causes short and switch commutation very flexible in working life.
An embodiment of the present utility model is to provide a kind of miniature electromagnetic valve, comprises valve body, valve gap and bibcock; Valve gap comprises air flue;
Bibcock comprises sliding sleeve, is provided with the permanent magnet arranged pole for a pair in sliding sleeve;
The latus rectum of air flue is 2.0-10.0mm.
According to an embodiment of the application, the latus rectum of air flue is 2.1-8.0mm.
According to an embodiment of the application, sliding sleeve is the sleeve pipe of thin-walled necking down, and the wall thickness of sleeve pipe is less than or equal to 1mm;
According to an embodiment of the application, bibcock also comprise be installed in sliding sleeve and the switch lever be flexibly connected with sliding sleeve and switch lever locating stud, be arranged at switch lever end seal ring, on the permanent magnet that permanent magnet is positioned positioning block and the demarcation strip between a pair permanent magnet under positioning block and permanent magnet.
According to an embodiment of the application, valve gap also comprises top board and to be arranged in the valve between air flue vent in air cavity and chamber; Air flue comprises intake duct and air outlet channel.
According to an embodiment of the application, valve body comprise seal arrangement, top base, the magnetic conduction casing be connected with top base, be arranged at coil rack in magnetic conduction casing and electromagnetic coil, for coil rack is positioned coil rack positioning plate, for taking up the bottom of coil rack positioning plate.
According to an embodiment of the application, seal arrangement comprises seal ring seat board, lower seal seat board and two O-ring seals between upper seal ring seat board and lower seal seat board.
According to an embodiment of the application, the structure that coil rack adopts coil axis sleeve overhanging to two ends, to play the positioning and guiding effect to bibcock.
According to an embodiment of the application, electromagnetic coil adopts enamel wire coil to ensure to obtain maximum magnetic flux when the heating that works long hours is little.
According to an embodiment of the application, permanent magnet is cylindrical or hexagon or oval or rectangle or square.
In the solenoid valve of the embodiment of the application, comprise valve body, valve gap and bibcock; Wherein, bibcock is movement parts, moves back and forth, to realize the connected sum block function to air flue; This miniature electromagnetic valve can need to be designed to miniature two various way solenoid valves of many moneys such as two-position two-way solenoid valve, two-position three way magnetic valve, two-position four-way solenoid valve, two-position-five-way solenoid valve and two six three-way electromagnetic valves according to the actual use of user.
The technological scheme of the miniature electromagnetic valve of the application has following beneficial effect:
1) bibcock of the application does not adopt mechanical spring, but devising a pair permanent magnet, this permanent magnet is arranged pole, substantially increases the driving force of magnetic switch, and make the blocking-up of solenoid valve, to connect the sensitivity of turnover air flue higher, magnetic switch commutation is more flexibly, fast.
2) bibcock of the application have employed the permanent magnet arranged pole for a pair, for magnetic switch provides very large driving force, this power is enough to support the air flue latus rectum of the application to be designed to 2.0-10.0mm, thus make the existing solenoid valve of the area ratio of air-flow path expand 25-100 doubly, extend the Applicable scope of miniature electromagnetic valve widely.
3) due to the powerful driving force provided the permanent magnet of pole setting of the application, even if make this miniature electromagnetic valve switch motion still can normally work under lower commutation voltage, electric current and lower ME for maintenance, electric current, and turn around time is short; And owing to have employed power transformation pressure drop electric current commutation maintenance technology, this solenoid valve long-term work is generated heat little, ensure that stability and the reliability of the prolonged and repeated work of this solenoid valve, increase the service life.
4) the application have employed unique seal arrangement and special switch lever end part seal circle, makes this miniature electromagnetic valve have excellent sealability.
5) sliding sleeve of the application adopts the sleeve pipe of thin-walled necking down, a pair permanent magnet in sleeve pipe can be located easily, and greatly can reduce the resistance of bibcock switch motion; Even if adopt thin-walled when greatly reducing the bibcock switch current of commutation, still can obtain the closedown sealing force of enough large bibcock to vent in chamber.
Accompanying drawing explanation
Fig. 1 is the sectional drawing of miniature electromagnetic valve when air flue is communicated with of the application embodiment;
Fig. 2 is the sectional drawing of miniature electromagnetic valve when air flue blocks of the application embodiment;
Fig. 3 is the stereogram of the coil rack of the application embodiment.
Fig. 4 is the stereogram of the sliding sleeve of the application embodiment.
In the drawings, use identical reference number to represent same or analogous part;
Wherein, 1, valve body; 11, bottom; 12, coil rack positioning plate; 13, coil rack; 14, electromagnetic coil; 15, irony magnetic conduction casing; 16, top base; 17, lower seal seat board; 18, upper seal ring seat board; 19, O-ring seals; 2, valve gap; 21, top board; 22, intake duct adapter is chewed; 23, vent in chamber; 24, air cavity in valve; 25, air outlet channel adapter is chewed; 3, bibcock; 31, seal ring; 32, switch lever; 33, sliding sleeve; 34, positioning block on permanent magnet; 35, switch lever locating stud; 36, permanent magnet; 37 demarcation strips; 38, positioning block under permanent magnet.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described; so that those skilled in the art understand the utility model; but should be clear; the utility model is not limited to the scope of embodiment; to those skilled in the art; as long as various change to limit and in the spirit and scope of the present utility model determined in appended claim; these changes are apparent, and the model utility that all utilize the utility model to conceive is created all at the row of protection.
For the sake of simplicity, eliminate in below describing and well known to a person skilled in the art some technical characteristics.
According to an embodiment of the application, provide a kind of miniature bi-bit bi-pass digital solenoid valve, as section of structure when Fig. 1, Fig. 1 are this miniature electromagnetic valve turnover air flue connection; This bi-bit bi-pass digital solenoid valve comprises: valve body 1, valve gap 2 and bibcock 3; Wherein, valve body 1 and valve gap 2 form the static element of this micro electromagnetic valve arrangement, and bibcock 3 does straight reciprocating motion to realize the movable part of open and close two;
Wherein, valve body 1 comprises bottom 11, coil rack positioning plate 12, coil rack 13, electromagnetic coil 14, irony magnetic conduction casing 15, top base 16, lower seal seat board 17, upper seal ring seat board 18 and upper and lower two O-ring seals;
If Fig. 3, Fig. 3 are the stereogram of coil rack, the mode of structure that this coil rack 13 adopts coil axis sleeve overhanging to two ends, with keep bibcock 3 transfixion and reciprocating time all have excellent positioning and guiding.
Electromagnetic coil 14 adopts enamel wire coil, is guaranteeing under the prerequisite that solenoid valve reliably commutates and the coil heating that works long hours is little, adopts the enameled cable coiling that wire diameter is as far as possible thin, to increase coil turn to greatest extent, and then obtains maximum magnetic flux.
Irony magnetic conduction casing 15 i.e. bottom base adopts special cylindrical shape iron-clad, it is the critical piece of valve body 1, namely the irony magnetic conduction casing on electromagnetism closed-loop path, shell again as solenoid valve uses, thus, structural strength and the reliability of valve body can be guaranteed, effectively can reduce again the physical dimension of solenoid valve.
Top base 16 adopts special sheath body pedestal, for the motion positions of the bibcock 3 of solenoid valve and function sealing (namely pass in and out gas circuit and block the integral sealing that solenoid valve when sealing is communicated with gas circuit ventilates to gas circuit) provide highi degree of accuracy, high reliability.
Valve gap 2 to comprise in top board 21, intake duct, air outlet channel, chamber air cavity 24 in vent 23 and valve; Wherein, in chamber vent 23 when being communicated with into and out of air flue as shown in Figure 1, when being blocked into and out of air flue as shown in Figure 2.
According to an embodiment of the application, the latus rectum of intake duct and air outlet channel is 2.0-10.0mm, makes the existing solenoid valve of area ratio into outlet passageway expand 25-100 doubly, greatly extends the Applicable scope of miniature electromagnetic valve; Intake duct is provided with intake duct adapter and chews 22, and air outlet channel is provided with air outlet channel adapter and chews 25.
Bibcock 3 comprises sliding sleeve 33, switch lever 32, is arranged on the seal ring 31 of switch lever 32 termination, positioning block 38 under positioning block 34, switch lever locating stud 35 and permanent magnet on the permanent magnet 36 arranged pole for a pair, demarcation strip 37, permanent magnet; Sliding sleeve 33 is flexibly connected with switch lever 32, with at utmost for the switch of switch lever 32 provides power; Switch lever 32 end adopts special seal ring 31, good seal action can not only be played, the two way sealed of air flue can also be adapted to well simultaneously, namely seal request when positive and negative pressure acts on switch lever top end, has had than the situation that much can only be applicable to positive air pressure or negative air pressure in prior art and has changed thoroughly.
According to an embodiment of the application, permanent magnet 36 is cylindrical or oval or hexagon, the utility model adopts permanent magnet 36, and does not adopt mechanical spring to reset, two, switch commutation mechanical inertia, and permanent magnet 36 had both used start iron core, namely being movement parts, is again actuator, therefore, the sensitivity that the blocking-up of miniature electromagnetic valve and connection pass in and out air flue is very high, and commutating speed is fast.
The very strong driving force that this permanent magnet 36 arranged pole provides, even if make this miniature electromagnetic valve switch motion still can normally work when greatly reducing commutation voltage, electric current, ME for maintenance, the electric current of solenoid valve, and turn around time is short; The present embodiment adopts power transformation pressure drop electric current commutation maintenance technology, and commutation voltage is less than 12V, and electric current is less than 200mA; Keep voltage to be less than or equal to 5V, electric current is less than 100mA, and therefore, bibcock switch motion required control electric current is little, and its location keeps electric current also little, long-term work
generate heat littlefor the solenoid valve of this embodiment, cut-off once with every 3 seconds, 5 seconds, 10 seconds, did respectively and reached many test half a year, its switch number of times is more than 1,000,000-150 ten thousand times, and experiment shows, all solenoid valve test specimens all do not occur hot phenomenon when long-term work, prolonged and repeated stable work in work, sealability is excellent.
According to an embodiment of the application, as Fig. 4, Fig. 4 is the stereogram of sliding sleeve, sliding sleeve 33 adopts copper sleeve or the plastic bushing of thin-walled necking down, the wall thickness of sleeve pipe is less than or equal to 1mm, a pair permanent magnet 36 arranged in sliding sleeve 33 not only can be made to locate easily, but also greatly can reduce the resistance of bibcock 3 switch motion, and adopt thin-walled when greatly reducing the bibcock 3 switch current of commutation, the closedown sealing force of vent in enough large bibcock 3 pairs of chambeies can be obtained.
The miniature electromagnetic valve of the application have employed unique Seal Design and special seal ring 31, makes this solenoid valve have excellent sealability; Experiment shows, after blocking turnover air flue, continue in tens hours, bleed pressure keeps not falling, and not only nothing gas leakage between intake duct, air outlet channel, also has no between miniature electromagnetic valve inner cavity chamber and external environmemt to reveal to occur.
Because the to-and-fro motion of the sealing of solenoid valve and the sliding sleeve 33 of bibcock 3 has nothing to do, therefore, suffered by the switch motion of bibcock 3, surface friction drag is very little; Further, because the air by solenoid valve vent can not contact with the relevant surfaces relevant with bibcock 3 to-and-fro motion completely, therefore this solenoid valve requires not high to user's air purity and degree of dryness, greatly facilitates the use of user.
From the working principle of solenoid valve, valve body 1 is the stator of solenoid valve, and correspondingly bibcock 3 is movers of solenoid valve, when we need to make the intake duct of solenoid valve, air outlet channel become blocking state from connected state, as long as numerical control system applies the instant pulse current of about 12V, 170-200mA to the electromagnetic coil 14 of valve body 1, due to generation moment magnetic flux corresponding in irony magnetic conduction casing 15, produce directive force powerful instantaneously will to bibcock 3, make switch lever 32 instantaneous motion to the closed condition (as shown in Figure 2) making intake duct and air outlet channel be in blocking-up, real-time transformation due to numerical control system is fallen electricity and is kept function, the electrical quantity of system is down to 5V immediately, the low voltage low current condition of 80mA, and under this electric parameter state, the switch lever 32 of bibcock 3 is remained on firmly make the closed condition that intake duct and air outlet channel block, and by the effect of excellent special seal ring 31, source gas is made to keep not leaking, when needs are communicated with intake duct and air outlet channel, numerical control system is only needed to apply back current to electromagnetic coil 14.
According to design principle and the design proposal of the logical miniature electromagnetic valve more than two of the application, be easy to design two various way solenoid valves of bi-bit bi-pass, two-position three way, two-position four-way, two-position five-way and two six Multiple Types such as logical, this miniature electromagnetic valve, easily according to the actual requirement of user, expands out the application area be extensively suitable for; Further, this miniature logical digital solenoid valve automaticity more than two is very high, and electronic circuit adopts novel small and exquisite computer numeral control technique, greatly facilitates the application of user.
The foregoing is only the embodiment of the application, be not limited to the application, for a person skilled in the art, the application can have various modifications and variations.Within all spirit in the application and principle, any amendment done, equivalent replacement, improvement etc., within the right that all should be included in the application.
Claims (10)
1. a miniature electromagnetic valve, comprises valve body, valve gap and bibcock; Described valve gap comprises air flue; It is characterized in that:
Described bibcock comprises sliding sleeve, is provided with the permanent magnet arranged pole for a pair in described sliding sleeve;
The latus rectum of described air flue is 2.0-10.0mm.
2. miniature electromagnetic valve according to claim 1, is characterized in that: the latus rectum of described air flue is 2.1-8.0mm.
3. miniature electromagnetic valve according to claim 1, is characterized in that: described sliding sleeve is the sleeve pipe of thin-walled necking down.
4. the miniature electromagnetic valve according to claim 1 or 2 or 3, is characterized in that: described bibcock also comprise be installed in sliding sleeve and the switch lever be flexibly connected with sliding sleeve and switch lever locating stud, be arranged at switch lever end seal ring, on the permanent magnet that permanent magnet is positioned positioning block and the demarcation strip between a pair permanent magnet under positioning block and permanent magnet.
5. miniature electromagnetic valve according to claim 1, is characterized in that: described valve gap also comprises top board and to be arranged in the valve between air flue vent in air cavity and chamber; Described air flue comprises intake duct and air outlet channel.
6. miniature electromagnetic valve according to claim 1, is characterized in that: described valve body comprise seal arrangement, top base, the magnetic conduction casing be connected with top base, be arranged at coil rack in magnetic conduction casing and electromagnetic coil, for coil rack is positioned coil rack positioning plate, for taking up the bottom of coil rack positioning plate.
7. miniature electromagnetic valve according to claim 6, is characterized in that: described seal arrangement comprises seal ring seat board, lower seal seat board and two O-ring seals between upper seal ring seat board and lower seal seat board.
8. the miniature electromagnetic valve according to claim 6 or 7, is characterized in that: the structure that described coil rack adopts coil axis sleeve overhanging to two ends, to play the positioning and guiding effect to bibcock.
9. miniature electromagnetic valve according to claim 6, is characterized in that: described electromagnetic coil adopts enamel wire coil to ensure to obtain maximum magnetic flux when the heating that works long hours is little.
10. miniature electromagnetic valve according to claim 1, is characterized in that: described permanent magnet is cylindrical or hexagon or oval or rectangle or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420408340.3U CN204114297U (en) | 2014-07-23 | 2014-07-23 | A kind of miniature electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420408340.3U CN204114297U (en) | 2014-07-23 | 2014-07-23 | A kind of miniature electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204114297U true CN204114297U (en) | 2015-01-21 |
Family
ID=52331609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420408340.3U Expired - Fee Related CN204114297U (en) | 2014-07-23 | 2014-07-23 | A kind of miniature electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204114297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132177A (en) * | 2014-07-23 | 2014-11-05 | 成都气海机电制造有限公司 | Miniature solenoid valve |
| CN108533788A (en) * | 2016-11-10 | 2018-09-14 | 郑州艾莫弗信息技术有限公司 | A kind of solenoid electric valve of the industrial production with mixed function |
-
2014
- 2014-07-23 CN CN201420408340.3U patent/CN204114297U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132177A (en) * | 2014-07-23 | 2014-11-05 | 成都气海机电制造有限公司 | Miniature solenoid valve |
| CN108533788A (en) * | 2016-11-10 | 2018-09-14 | 郑州艾莫弗信息技术有限公司 | A kind of solenoid electric valve of the industrial production with mixed function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20210723 |
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| CF01 | Termination of patent right due to non-payment of annual fee |