CN203703241U - Electromagnetic valve - Google Patents
Electromagnetic valve Download PDFInfo
- Publication number
- CN203703241U CN203703241U CN201320833232.6U CN201320833232U CN203703241U CN 203703241 U CN203703241 U CN 203703241U CN 201320833232 U CN201320833232 U CN 201320833232U CN 203703241 U CN203703241 U CN 203703241U
- Authority
- CN
- China
- Prior art keywords
- bearing
- plunger
- axial region
- yoke
- solenoid valve
- 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 - Fee Related
Links
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 27
- 230000007423 decrease Effects 0.000 description 7
- 238000013016 damping Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
- Electromagnets (AREA)
Abstract
The utility model provides an electromagnetic valve, which can be miniaturized without lowering the magnetic efficiency. A large-diameter part (71) is constructed on the base end side of a shaft part (63) into which a plunger (61) is inserted, and a small-diameter part (72) is constructed on the tail end side of the shaft part (63), so that a step surface (73) is formed between the large-diameter part (71) and the small-diameter part (72); the step surface (73) is contacted with a base end face (81) on the yoke (56) side of the plunger (61); an iron core side bearing (91) embedded into the inner side of an iron core (54) is used for supporting the small-diameter part (72) extending from the plunger (61) to the tail end side; a yoke side bearing (101) embedded into the inner side of a yoke (56) is used for supporting the large-diameter part (71) extending to the base end side; a groove (111) is formed in the periphery surface of the large-sized yoke side bearing (101), and a plunger chamber (112) is communicated with a space (113) on the base end side through the groove (111), so that a breathing channel (114) allowing oil to flow is formed.
Description
Technical field
The utility model relates to a kind of for example for the solenoid valve of oil hydraulic circuit.
Background technique
In the past, be provided with drive portion (for example patent documentation 1) in the solenoid valve body of solenoid valve.
Known such solenoid valve 801: formed by solenoid valve body 802 and spray nozzle part 803 as shown in Figure 2, and spray nozzle part 803 is known to hold the slide valve type of guiding valve 804.
Accommodate the solenoid 813 forming at drum 811 winding arounds 812 in described solenoid valve body 802, and in this solenoid 813, accommodate the iron core 814 by this solenoid 813 excitations.Be connected with yoke 816 by connecting tube 815 at the end of this iron core 814, and accommodate plunger 817 between described iron core 814 and described yoke 816.
Be through with the pin 821 of straight line shape at this plunger 817, and described pin 821 from described plunger 817 to the described iron core 814 extended positions of side, be supported on described iron core 814 by core side bearing 822.And, described pin 821 from described plunger 817 to the described yoke 816 extended positions of side, be supported on described yoke 816 by yoke side bearing 823, described core side bearing 822 is formed as same shape with described yoke side bearing 823.
In such structure, in the time that described plunger 817 moves, because the Volume Changes of being got rid of by this plunger 817 produces hydraulic damping power.Therefore, in order not hinder the movement of plunger 817, groove 831,831 is set in the side that is disposed at inboard yoke side bearing 823, thereby forms the breathing road of fuel feeding circulation.
Patent documentation 1 TOHKEMY 2010-135469 communique
Model utility content
(model utility problem to be solved)
But in such solenoid valve in the past 801, in the time of miniaturization, magnetic efficiency can decline.In order to prevent that magnetic efficiency declines when the miniaturization, the size that need to dwindle each bearing 822,823.
Now, become difficulty at the side of described yoke side bearing 823 setting slot 831,831.
Therefore, as shown in Figure 3, consider a kind of solenoid valve 852 of breathing path 851 that is provided with at magnetic loop.
But, now, can cause magnetic loop to become large, and become the reason that cost increases.
The utility model completes in view of above problem, and object is to provide and a kind ofly can not causes the decline of magnetic efficiency and can realize the solenoid valve of miniaturization.
(solving the method for problem)
In order to solve described problem, in the related solenoid valve of first aspect of the present utility model, axial region connects the plunger that forms electromagnetism portion, the two end part of supporting this axial region by bearing, one side of described axial region is configured to large-diameter portion, opposite side is configured to the minor diameter part that diameter is less than this large-diameter portion, thereby described axial region is formed as to shape with the level, and the bearing of the described large-diameter portion of supporting is set as to different sizes with the bearing of the described minor diameter part of supporting, and in large-sized bearing, is formed with breathing road being set to.
That is, a side of axial region that connects plunger is configured to large-diameter portion, and opposite side is configured to minor diameter part, and the bearing that supports described large-diameter portion to be set to diameter larger than the bearing of the described minor diameter part of supporting.Therefore, be easily set to large diameter bearing formation breathing road.
And the opposite side of described axial region is configured to minor diameter part, therefore can make the miniaturization of electromagnetism portion.And, because the diameter of axial region and bearing is little, therefore also can prevent that the magnetic efficiency that acts on plunger from declining.
And, in the related solenoid valve of second aspect, the size of inboard bearing that is configured in described electromagnetism portion is set as larger than the bearing of an outer side, and form described breathing road at the side of inboard bearing setting slot.
Thus, being formed as in bag-shaped electromagnetism portion, can suppress the hydraulic damping causing due to the Volume Changes that the inboard space at plunger produces in the time working.
And by dwindling the bearing size of an outer side of described electromagnetism portion, can dwindle the annular gap between axial region and bearing.Thus, can prevent that dust from entering from an outer side.
And, when be provided with the iron core that attracts this plunger in an outer side of described plunger, due to little to the diameter of the extended axial region of this outer side, therefore can realize the increase of the attraction area of iron core.
And, in the related solenoid valve of the third aspect, form described bearing by the core side bearing that is arranged on the core side that attracts described plunger with the yoke side bearing that is arranged on yoke side, and it is larger than opposite side that the side by this yoke side bearing supporting of described axial region is set as to diameter, thereby form step surface at this axial region, and the end contact that is positioned at described yoke side of described step surface and described plunger.
,, while being in contact with it attracting described plunger with described iron core, there is the load of extracting towards described yoke side in described plunger effect.
Now, be formed with step surface at described axial region, and the end contact that is positioned at described yoke side of this step surface and described plunger.
Therefore, even while extracting load described in being applied with, also can prevent the careless displacement of described plunger.
(model utility effect)
In the related solenoid valve of first aspect of the present utility model discussed above, a side that connects the axial region of plunger is configured to large-diameter portion, and opposite side is configured to minor diameter part, it is larger than the bearing of the described minor diameter part of supporting that the bearing that supports described large-diameter portion is set to diameter.Therefore, be easily set to large diameter bearing formation breathing road.
And the opposite side of described axial region is configured to minor diameter part, thereby can realize the miniaturization of electromagnetism portion.And, because the diameter of axial region and bearing is little, therefore can also prevent that the magnetic efficiency that acts on plunger from declining.Thus, can not cause magnetic efficiency to decline and can realize miniaturization.
Therefore, be formed as diameter dimension in the past the comparing of identical axial region in total length with use, in described minor diameter part side, can not can cause magnetic efficiency to decline and realize miniaturization.And, in described large-diameter portion side, can guarantee described breathing road without breathing path is set at magnetic loop, and can prevent the generation of hydraulic damping.Thus, can prevent that the cost causing due to the maximization of magnetic loop from increasing.
And, in the related solenoid valve of second aspect, the size of inboard bearing that is configured in electromagnetism portion is set as larger than the size of the bearing of an outer side, thereby and groove is set in the side of inboard bearing forms and breathe road.
Therefore,, being formed as in bag-shaped electromagnetism portion, can suppress the hydraulic damping causing due to the Volume Changes that the inboard space at plunger produces in the time working.
And by dwindling the size of bearing of an outer side of described electromagnetism portion, can dwindle the annular gap between axial region and bearing, can prevent that dust from entering from an outer side.
And, when be provided with the iron core that attracts described plunger in an outer side of described plunger, because the diameter of the axial region extending to this outer side is little, therefore can increase iron core and attract area, thereby can improve magnetic efficiency.
And, in the related solenoid valve of the third aspect, be formed with step surface at described axial region, the end contact that is positioned at described yoke side of this step surface and described plunger.
Therefore, attract described plunger and while being in contact with it with iron core, though described plunger effect is being had towards described yoke side extract load time, also can stop by described step surface the careless displacement of described plunger.
Brief description of the drawings
Fig. 1 is the sectional view that a mode of execution of the present utility model is shown.
Fig. 2 is the sectional view that solenoid valve is in the past shown.
Fig. 3 is the sectional view that other examples are in the past shown.
Symbol description
1 solenoid valve
11 solenoid valve body
54 iron cores
56 yokes
61 plungers
63 axial regions
71 large-diameter portions
72 minor diameter parts
73 step surfaces
81 cardinal extremity faces
91 core side bearings
101 yoke side bearings
111 grooves
114 breathe road
Embodiment
Below, according to accompanying drawing, a mode of execution of the present utility model is described.
Fig. 1 is the figure that the related solenoid valve of present embodiment 1 is shown, this solenoid valve 1 is for the automatic transmission of automobile.
This solenoid valve 1 has the solenoid valve body 11 that forms electromagnetism portion, and is provided with in this solenoid valve body 11 nozzle 12 that terminad side is extended.
The caulking part 23 of housing 22 ends of the lip part that is arranged on cardinal extremity 21 of this nozzle 12 by being arranged on described solenoid valve body 11 is fixed on described solenoid valve body 11.This nozzle 12 is formed as cylindric, and is provided with multiple ports 24 at the side opening of nozzle 12.
In described nozzle 12, accommodate guiding valve 31, this guiding valve 31 is retained as and can moves freely vertically.This guiding valve 31 is made up of cylindrical portion 32, the diameter multiple valve portion 33 larger than the diameter of this cylindrical portion 32, and is configured to by this guiding valve 31 and moves vertically, can control hydraulic pressure thereby each valve portion 33 opens and closes corresponding port 24.
Be inserted with latch 41 at the end of described nozzle 12, between this latch 41 and described guiding valve 31, be provided with helical spring 42.Thus, described guiding valve 31 is by the terminal side application of force.
In the described housing 22 of described solenoid valve body 11, accommodate the solenoid 53 forming at drum 51 coiling coils 52.In this solenoid 53, be that end side accommodates this solenoid 53 of dependence by the iron core 54 of excitation in an outer side, and be connected with yoke 56 by connecting tube 55 in the end of this iron core 54.
Between described iron core 54 and described yoke 56, accommodate plunger 61, and columned axial region 63 is fixed in this circular port 62 with the state being inserted in the circular port 62 that connects described plunger 61.The terminal part of this axial region 63 extends in described nozzle 12, and the end of this axial region 63 is configured to described cylindrical portion 32 cardinal extremities of described guiding valve 31 and contacts.
Thus, be configured to while described iron core 54 being carried out to excitation described solenoid 53 is switched on, described plunger 61 is attracted by described iron core 54, and contact with the blocked part 66 being arranged in the suction surface 65 of this iron core 54, and be configured to by the movement of described axial region 63 terminad sides, can make described guiding valve 31 terminad side shiftings.
Described axial region 63 by forming large-diameter portion 71 that a side is terminal side, to form opposite side be that the minor diameter part 72 of end side forms, it is less than described large-diameter portion 71 that this minor diameter part 72 is formed as outside dimension.Thus, this axial region 63 is formed as shape with the level, between described large-diameter portion 71 and described minor diameter part 72, is formed with step surface 73.
The described circular port 62 of described plunger 61 is formed as the size that can insert for the described minor diameter part 72 of described axial region 63, and described minor diameter part 72 is being inserted under the state of described circular port 62 to the mode contacting with the cardinal extremity face 81 of described yoke 56 sides of described step surface 73 and being positioned at of described plunger 61 and being inserted into.Under this contact condition, the peripheral part of the part that the described minor diameter part 72 of the terminal surface 82 of described plunger 61 stretches out is riveted, contact with described cardinal extremity face 81 and stop described axial region 63 terminad side shiftings by described step surface 73, and riveted and stop described axial region 63 to move to terminal side by described terminal surface 82.
The described axial region 63 stretching out from described plunger 61 is supported to and can slides by bearing, and described plunger 61 is supported to and can moves freely along the length direction of described axial region 63.
Specifically, the described minor diameter part 72 extending from described plunger 61 terminad sides by be embedded in described iron core 54 inner side core side bearing 91 and be supported on described iron core 54, this minor diameter part 72 is supported to and can moves freely along its length.The internal diameter size of this core side bearing 91 is set to the size that can insert for described minor diameter part 72, and sets its outside dimension corresponding to this internal diameter size.
And the described large-diameter portion 71 extending from described plunger 61 to terminal side is supported on this yoke 56 by being embedded in the yoke side bearing 101 described yoke 56, and this large-diameter portion 71 is supported to and can moves freely along its length.The internal diameter size of this yoke side bearing 101 is set to the size that can insert for described large-diameter portion 71, and sets its outside dimension corresponding to this internal diameter size.
Thus, the described yoke side bearing 101 that supports described large-diameter portion 71 is set to different sizes from the described core side bearing 91 of the described minor diameter part 72 of supporting, and being set to the inboard that large diameter described yoke side bearing 101 is configured in described solenoid valve body 11 is terminal side.
Be configured in the side face of large-sized described yoke side bearing 101 of this terminal side, be formed with from terminal side and connect the groove 111,111 to end side in two places, be communicated with the plunger compartment 112 of end side and the space 113 of terminal side of this yoke side bearing 101 by each groove 111,111, thereby formed the breathing road 114,114 of allowing oil circulation.
In the related above structure of present embodiment, the terminal side that has connected the axial region 63 of plunger 61 is configured to large-diameter portion 71, end side is configured to minor diameter part 72, and the diameter that supports the yoke side bearing 101 of described large-diameter portion 71 is set to larger than the diameter of the core side bearing 91 of the described minor diameter part 72 of supporting.Therefore, be easily set to large diameter yoke side bearing 101 formation breathing roads 114,114.
And the end side of described axial region 63 is configured to described minor diameter part 72, thereby can realize the miniaturization of solenoid valve body 11.And, because the diameter of described axial region 63 and described core side bearing 91 is little, therefore can suppress the minimizing of the suction surface 65 of described iron core 54, and also can prevent the decline of the magnetic efficiency that acts on described plunger 61.Thus, can not cause the decline of magnetic efficiency and realize miniaturization.
Therefore, be formed as in the past comparing of diameter dimension is identical in total length axial region 63 with use, in described minor diameter part 72 sides, can not cause magnetic efficiency to decline and realize miniaturization.And, in described large-diameter portion 71 sides, can guarantee described breathing road 114,114 without breathing path is set at magnetic loop, thereby can prevent the generation of hydraulic damping.Thus, can prevent that the cost causing due to the maximization of magnetic loop from increasing.
And, in the present embodiment, be that the core side bearing of an outer side is large by be configured in the terminal side that is formed as bag-shaped described solenoid valve body 11 be that the size of inboard yoke side bearing 101 is set as than end side, and at the side face setting slot 111,111 of inboard yoke side bearing 101 and form described breathing road 114,114.
Therefore, in described plunger compartment 112, the hydraulic damping that the Volume Changes occurring in the inboard space of described plunger 61 can suppress due to work time causes.
And by dwindling the size that the end side of described solenoid valve body 11 is the core side bearing 91 of an outer side, can dwindle the annular gap between axial region and bearing, thereby can prevent that dust from being that guiding valve 31 sides enter from an outer side.
And, be the position of an outer side than described plunger 61 by end side, be provided with the iron core 54 that attracts described plunger 61, due to little to the diameter of this axial region 63 extending to an outer side, therefore can increase the attraction area of iron core, thereby can improve magnetic efficiency.
And, form step surface 73 at described axial region 63, the end contact that is positioned at described yoke 101 sides of this step surface 73 and described plunger 61.
Now, it is contacted utilizing described iron core 54 to attract described plunger 61 during with described blocked part 66, there is the load of extracting towards described yoke 56 sides in described plunger 61 effects.
But, owing to being formed on the step surface 73 of described axial region 63 and the end contact of described yoke 56 sides of described plunger 61, therefore can stop the careless displacement of described plunger 61 by described step surface 73.
Claims (3)
1. a solenoid valve, in this solenoid valve, axial region connects and forms the plunger of electromagnetism portion, the two end part of supporting this axial region by bearing, described solenoid valve is characterised in that,
A side that makes described axial region is configured to large-diameter portion and opposite side is configured to the minor diameter part that diameter is less than described large-diameter portion, thereby make described axial region be shape with the level, and the bearing of the described large-diameter portion of supporting is set as to different sizes with the bearing of the described minor diameter part of supporting, and in large-sized bearing, is formed with breathing road being set to.
2. solenoid valve according to claim 1, is characterized in that,
The size of inboard bearing that is configured in described electromagnetism portion is set as larger than the bearing of an outer side, and forms described breathing road at the side of inboard bearing setting slot.
3. solenoid valve according to claim 1 and 2, is characterized in that,
Form described bearing by the core side bearing that is arranged on the core side that attracts described plunger with the yoke side bearing that is arranged on yoke side, and it is larger than opposite side that the side by described yoke side bearing supporting of described axial region is set as to diameter, thereby form step surface at this axial region, and the end contact that is positioned at described yoke side of described step surface and described plunger.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012275203A JP2014119045A (en) | 2012-12-18 | 2012-12-18 | Electromagnetic valve |
| JP2012-275203 | 2012-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703241U true CN203703241U (en) | 2014-07-09 |
Family
ID=51053686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320833232.6U Expired - Fee Related CN203703241U (en) | 2012-12-18 | 2013-12-17 | Electromagnetic valve |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2014119045A (en) |
| CN (1) | CN203703241U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386594A (en) * | 2017-02-03 | 2018-08-10 | Svm舒尔茨管理有限责任两合公司 | Valve, especially guiding valve |
| CN110036226A (en) * | 2016-12-08 | 2019-07-19 | 伊格尔工业股份有限公司 | Solenoid valve |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6701823B2 (en) * | 2016-03-10 | 2020-05-27 | 日本電産トーソク株式会社 | Solenoid valve device |
-
2012
- 2012-12-18 JP JP2012275203A patent/JP2014119045A/en active Pending
-
2013
- 2013-12-17 CN CN201320833232.6U patent/CN203703241U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110036226A (en) * | 2016-12-08 | 2019-07-19 | 伊格尔工业股份有限公司 | Solenoid valve |
| US11015730B2 (en) | 2016-12-08 | 2021-05-25 | Eagle Industry Co., Ltd. | Solenoid valve |
| CN110036226B (en) * | 2016-12-08 | 2021-12-14 | 伊格尔工业股份有限公司 | Electromagnetic valve |
| CN108386594A (en) * | 2017-02-03 | 2018-08-10 | Svm舒尔茨管理有限责任两合公司 | Valve, especially guiding valve |
| US10760703B2 (en) | 2017-02-03 | 2020-09-01 | Svm Schultz Verwaltungs-Gmbh & Co. Kg | Valve with a sliding mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014119045A (en) | 2014-06-30 |
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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: 20140709 Termination date: 20151217 |
|
| EXPY | Termination of patent right or utility model |