CN106024265B - A kind of electromagnet - Google Patents
A kind of electromagnet Download PDFInfo
- Publication number
- CN106024265B CN106024265B CN201610584968.2A CN201610584968A CN106024265B CN 106024265 B CN106024265 B CN 106024265B CN 201610584968 A CN201610584968 A CN 201610584968A CN 106024265 B CN106024265 B CN 106024265B
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- CN
- China
- Prior art keywords
- magnetic core
- yoke bush
- electromagnet
- shell
- guide sleeve
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/126—Supporting or mounting
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electromagnets (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention provides a kind of electromagnet, including shell (5), skeleton (6), preceding yoke bush (8) and rear yoke bush (10) and magnetic core (11), shell (5) is fixedly connected with preceding yoke bush (8), the coiling (4) in skeleton (6) die cavity, yoke bush (10) is installed on skeleton (6) endoporus afterwards, the guide groove (111) of some ring magnetic core (11) distributions is opened up on magnetic core (11), the installation spin body (12) in guide groove (111), magnetic core (11) is moved by spin body (12) relative to rear yoke bush (10).The present invention forms the strong point of magnetic core motion by spin body, and make not occurring directly to contact between magnetic core and rear yoke bush or between magnetic core and guide sleeve, rolling friction is formed because of the contact of spin body, so as to reduce the resistance of motion of magnetic core, the autokinesis and kinetic stability of magnetic core are improved, the response speed and control stability for making electromagnet are effectively improved.
Description
Technical field
The present invention relates to electromagnet technical field, more particularly, to applied to being put in engine variable cam timing system
A kind of electromagnet of formula control valve.
Background technology
Control valve in existing engine variable cam timing system mainly has two kinds：Side-mounted control valve and middle
Control valve.Wherein, the mainly side-mounted control valve being widely used, middle control valve is entered on side-mounted control valve
Capable technology upgrading.
Compared to side-mounted control valve, middle control valve has advantages below：(1), the valve body in middle control valve
Part can be with the distance between phaser closer to so as to control oil circuit shorter, therefore, it is in response speed and control stability
On all be better than side-mounted control valve.(2), because the valve body of middle control valve directly instead of the mounting screw of phaser,
Cylinder cap mounting hole and oil duct are eliminated, so as to reduce engine manufacturing cost.Therefore, in engine variable cam timing system
In, the application of middle control valve will increasingly be taken seriously.But the response of the electromagnet in existing middle control valve
Speed and control stability are poor, thus cause engine variable cam timing system response speed and control stability therewith
Reduce, deteriorate engine performance；In addition, the assembly technology of existing middle control valve is also more complicated, to parts
Requirement on machining accuracy is higher, so as to cause the rising of production cost.
The content of the invention
The technical problem to be solved in the present invention is：The problem of existing for prior art, there is provided a kind of response speed and control
The excellent electromagnet of stability processed.
The technical problem to be solved in the present invention is realized using following technical scheme：A kind of electromagnet, including shell, bone
Frame, preceding yoke bush and rear yoke bush and magnetic core, the shell are fixedly connected with preceding yoke bush, described in matrix type intracavitary coiling
Yoke bush is installed on skeleton endoporus afterwards, and the guide groove of some ring magnetic core distributions is opened up on magnetic core, spin body is installed in guide groove,
The magnetic core is moved by spin body phase for rear yoke bush.
Preferably, in addition to guide sleeve, the magnetic core is installed on guide sleeve inner chamber, and magnetic core moves relative to rear yoke bush
When, form rolling friction between the spin body and guide sleeve internal chamber wall.
Preferably, Hermetical connecting structure is formed between described guide sleeve and shell.
Preferably, housing is formed to form one by injection between the guide sleeve, rear yoke bush, coil, skeleton, shell
Change the o of structure.
Preferably, installed part is consolidated on described housing, mounting hole is set on the installed part.
Preferably, locating notch is set on described installed part.
Preferably, anticreep barb is set on described shell.
Preferably, glue breach was opened up in described rear yoke bush.
Preferably, first for opening up several in described preceding yoke bush and being distributed in a ring is cooled down hole.
Preferably, second is opened up on described magnetic core to cool down hole.
Compared with prior art, the beneficial effects of the invention are as follows：By opening up leading for some ring magnetic cores distributions on magnetic core
To groove, and spin body is installed in guide groove, when magnetic core moves under electromagnetic force relative to preceding yoke bush, rear yoke bush, magnetic
Several strong points will be formed between core and rear yoke bush or between magnetic core and guide sleeve by spin body, and magnetic core is to pass through rolling
Spheroid contacts with each other with rear yoke bush or contacted with each other by spin body and guide sleeve to form rolling friction, therefore, by setting
Spin body is put so that not occurring directly to contact between magnetic core and rear yoke bush or between magnetic core and guide sleeve, i.e., magnetic core passes through rolling
Spheroid moves relative to rear yoke bush, and so as to improve the autokinesis of magnetic core and kinetic stability, and magnetic core is moving
In frictional resistance it is smaller, and then drastically increase the response speed and control stability of electromagnet.
Brief description of the drawings
Fig. 1 is a kind of structural map of electromagnet of the present invention.
Fig. 2 is the sectional view of the installed part in Fig. 1.
Fig. 3 is the sectional view of the shell in Fig. 1.
Fig. 4 is the sectional view of the preceding yoke bush in Fig. 1.
Fig. 5 is the side view of the preceding yoke bush shown in Fig. 4.
Fig. 6 is the top view of the rear yoke bush in Fig. 1.
Fig. 7 is the sectional view of the magnetic core in Fig. 1.
Fig. 8 is the side view of the magnetic core shown in Fig. 7.
Fig. 9 is a kind of assembling schematic diagram of electromagnet of the present invention.
Marked in figure：1- housings, 2- installed parts, 3- sealing rings, 4- coils, 5- shells, 6- skeletons, 7- magnetic core axles, before 8-
Yoke bush, 9- guide sleeves, yoke bush after 10-, 11- magnetic cores, 12- spin bodies, 13- hoods, 14- engine inner chambers, 21- positioning lack
Mouthful, 51- anticreep barbs, 81- first order endoporus, 82- second level endoporus, 83- third level endoporus, 84- first cools down hole, 101- mistakes
Glue breach, 111- guide grooves, 112- magnetic core shaft mounting holes, 113- second cool down hole.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with the accompanying drawings and specific implementation
The present invention is described in detail for example.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Electromagnet as shown in Figure 1, mainly include shell 5, skeleton 6, preceding yoke bush 8 and rear yoke bush 10 and magnetic core 11, its
In, the structure of the shell 5 is cup-like structure as shown in Figure 3, and installation through-hole is opened up in the bottom of shell 5；The preceding yoke bush 8
Overall structure is T-shaped structure as shown in Figure 4, and three-level stepped hole is opened up in preceding yoke bush 8, is first order endoporus 81, respectively
Two level endoporus 82 and third level endoporus 83, first for also opening up several in preceding yoke bush 8 and being distributed in a ring are cooled down hole 84, such as
Shown in Fig. 5, the relatively small end of the preceding yoke bush 8 runs through the installation through-hole of the bottom of shell 5, and the relatively large end of preceding yoke bush 8
Formed a fixed connection between shell 5；Cooled down hole 84 by setting multiple first, can conveniently before yoke bush 8 installation operation, carry
The efficiency of assembling of yoke bush 8 before height.The skeleton 6 is installed in the die cavity that shell 5 is formed with rear yoke bush 10, in the die cavity of skeleton 6
Interior coiling 4, the rear section of yoke bush 10 is L-shaped, and is installed on the endoporus of skeleton 6.
As shown in Figure 7, Figure 8, the center portion thereof opens up the magnetic core axle for magnetic core axle 7 to be fixedly mounted to the structure of the magnetic core 11
Mounting hole 112, one end of the magnetic core axle 7 is by plugged and fixed between magnetic core shaft mounting hole 112 and magnetic core 11, and magnetic core axle 7
The other end exposed to after the first order endoporus 81 through in preceding yoke bush 8, second level endoporus 82 and third level endoporus 83 before yoke
Set 8, as shown in Figure 1.Some guide grooves 111 are opened up in 11 cylindrical circumferential direction of ring magnetic core, in each guide groove 111 extremely
One spin body 12 is installed less；Also open up second by magnetic core shaft mounting hole 112 on magnetic core 11 to cool down hole 113, described second
Cool down the semicircular in shape of hole 113, but be not limited to semicircle or other geometries can with function of cooling down；In addition,
Described second hole 113 of cooling down can be mutually communicated with the magnetic core shaft mounting hole 112 on magnetic core 11, but be not limited to and magnetic core axle is installed
Hole 112, which is connected, penetrates or is arranged on other any positions of the end face of magnetic core 11.
The magnetic core 11 is arranged in the die cavity being collectively forming by shell 5, preceding yoke bush 8, skeleton 6, rear yoke bush 10, and magnetic
Core 11 can move under electromagnetic force relative to preceding yoke bush 8, rear yoke bush 10.When magnetic core 11 under electromagnetic force relative to
When preceding yoke bush 8, rear yoke bush 10 are moved, due to foring several supports by spin body 12 between magnetic core 11 and rear yoke bush 10
Point, and magnetic core 11 is contacted with each other to form rolling friction by spin body 12 and rear yoke bush 10, so that magnetic core 11 and rear yoke
Do not occur directly to contact between set 10, i.e., magnetic core 11 is moved relative to rear yoke bush 10 by spin body 12, can so be improved
The autokinesis and kinetic stability of magnetic core 11, and the frictional resistance of magnetic core 11 during exercise is smaller, therefore, can be greatly
Improve the response speed and control stability of electromagnet.
Due to the generally use steel ball of spin body 12, it is in the motion process of magnetic core 11 with rear yoke bush 10 because of the friction that contacts with each other
And the overexercise abrasion of rear yoke bush 10 is easily caused, so as to reduce the service life of electromagnet.Therefore, as shown in figure 1, can be with
Increase sets the guide sleeve 9 of cup-shaped structure between magnetic core 11 and rear yoke bush 10, in the inner chamber of guide sleeve 9 and preceding yoke bush 8
Three-level stepped hole together form the die cavity installed, moved for magnetic core 11, magnetic core 11 is formed with magnetic core axle 7, spin body 12
Assembly can move in the space that the die cavity is limited, and by between formation between third level endoporus 83 and magnetic core axle 7
Gap coordinates, to ensure that magnetic core axle 7 can be relative to the preceding free movement of yoke bush 8.The magnetic core 11 is installed on the inner chamber of guide sleeve 9, when
When magnetic core 11 moves relative to rear yoke bush 10, rolling friction is formed between spin body 12 and guide sleeve 9 internal chamber wall.
When magnetic core 11 moves under electromagnetic force relative to preceding yoke bush 8, rear yoke bush 10, magnetic core 11 and guide sleeve 9 it
Between several strong points will be formed by spin body 12, and magnetic core 11 is contacted with each other to be formed by spin body 12 with guide sleeve 9
Rolling friction so that do not occur directly to contact between magnetic core 11 and guide sleeve 9, i.e., magnetic core 11 by spin body 12 relative to
Yoke bush 10 is moved afterwards, and so as to improving the autokinesis of magnetic core 11 and kinetic stability, and magnetic core 11 is during exercise
Frictional resistance is smaller, therefore, drastically increases the response speed and control stability of electromagnet；Meanwhile it is oriented to by setting
Set 9, the fretting wear of yoke bush 10 after can also mitigating, be advantageous to improve electromagnet service life.
, can be by coil 4, shell 5, skeleton 6 and guide sleeve 9 and rear yoke bush in order to facilitate the assembly or disassembly of electromagnet
The o of integral structure is made up of between 10 injection, by forming integral structure, not only makes electromagnet
Structure is compacter, functional reliability is higher, and is convenient to mount and dismount, and processing cost is lower.Molded portion therein forms housing
1, installed part 2 can also be consolidated on housing 1, mounting hole is set on the installed part 2, with the installation operation of convenient electromagnetic iron；
Described installed part 2 generally selects bolt washer, and bolt washer consolidation is installed on to the flange face of housing 1.In order to improve peace
Bonding strength between piece installing 2 and housing 1, the anticreep groove of annular can be opened up on the outer circumference surface of installed part 2, that is, ring is set
Disconnecting prevention structure of the locating notch 21 of shape as installed part 2, as shown in Figure 2；Described locating notch 21 can also use other
The shape and structure of this function, such as pit, circular hole can be realized, by setting locating notch 21 to form anticreep knot on installed part 2
Structure, it can prevent installed part 2 from being got loose with housing 1 in the case where electromagnet is by high vibration or external impacts.
As shown in figure 3, described shell 5 is cup-shaped, anticreep barb 51 is set as shell 5 in the cup-mouth end of shell 5
Disconnecting prevention structure, described anticreep barb 51 can by the cup-mouth end of shell 5 formed to outside edge processing, such as Fig. 3 institutes
Show, but the cup-mouth end flanging for being also not necessarily limited to shell 5 forms or uses other shape and structures that can realize this function, such as
Breach, circular hole etc. are set in the lateral increase of shell 5, by setting anticreep barb 51 effectively to prevent shell 5 in electromagnetism
Iron between housing 1 in the case of high vibration or external impacts by getting loose phenomenon.It is described as shown in Fig. 1, Fig. 6
The section of yoke bush 10 is L-shaped afterwards, and several are offered in its bottom and crosses glue breach 101, and the glue breach 101 of crossing takes the shape of the letter U, but not
Be limited to U-shaped, can also be square, circle, rectangle, triangle, or other geometries that disclosure satisfy that glue function.
By setting glue breach 101, when injection forms housing 1, can make the injection molding material of molten state accelerate by rear yoke bush 10 and
Gap between shell 5 and enter the inner chamber of skeleton 6, the shaping speed of housing 1 is improved, between the associated member for ensureing electromagnet
Connection reliability.
In engine variable cam timing system, as shown in figure 9, above-mentioned electromagnet by installed part 2 thereon with
It is connected between hood 13, in order to improve the sealing property between the housing 1 of electromagnet and hood 13, Ke Yi
Socket installation sealing ring 3 on the outer circumference surface of the shell 5 of electromagnet.Described sealing ring 3 uses O-ring seal, but is not limited to O
Type sealing ring or other any sealing rings with sealing function.
In addition, Hermetical connecting structure is preferably formed between guide sleeve 9 and shell 5 in electromagnet, it is specifically, described to lead
Hermetical connecting structure can be formed by welding manner between the arrival end and shell 5 of set 9, but be not limited to welding manner,
Can make to form Hermetical connecting structure between the arrival end of guide sleeve 9 and shell 5 by bonding or other connected modes.When
Machine oil in engine inner chamber 14 is after the inner chamber of guide sleeve 9 is penetrated into, due to being formed between the guide sleeve 9 and shell 5 in electromagnet
Hermetical connecting structure, therefore, company of the machine oil in the inner chamber of guide sleeve 9 through guide sleeve 9 and shell 5 can be effectively prevented from
Socket part position and penetrate into the place position of sealing ring 3 and caused by seal failure.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that all
All any modification, equivalent and improvement made within the spirit and principles in the present invention etc., it should be included in the guarantor of the present invention
Within the scope of shield.
Claims (9)
1. a kind of electromagnet, including shell (5), skeleton (6), magnetic core axle (7), preceding yoke bush (8) and rear yoke bush (10) and magnetic core
(11), the shell (5) is fixedly connected with preceding yoke bush (8), the coiling (4) in skeleton (6) die cavity, the rear yoke bush (10)
Skeleton (6) endoporus is installed on, the magnetic core shaft mounting hole (112) for magnetic core axle (7) to be fixedly mounted, institute are opened up on magnetic core (11)
State magnetic core axle (7) one end and pass through plugged and fixed between magnetic core shaft mounting hole (112) and magnetic core (11) and magnetic core axle (7) other end
Preceding yoke bush (8) is exposed to after through preceding yoke bush (8), it is characterised in that：Some ring magnetic cores (11) point are opened up on the magnetic core (11)
The guide groove (111) of cloth, installation spin body (12), the magnetic core shaft mounting hole (112) on magnetic core (11) in guide groove (111)
Side opens up second and cooled down hole (113), and the magnetic core (11) is moved by spin body (12) relative to rear yoke bush (10).
A kind of 2. electromagnet according to claim 1, it is characterised in that：Also include guide sleeve (9), magnetic core (11) peace
Loaded on guide sleeve (9) inner chamber, and when magnetic core (11) moves relative to rear yoke bush (10), the spin body (12) and guide sleeve (9)
Rolling friction is formed between internal chamber wall.
A kind of 3. electromagnet according to claim 2, it is characterised in that：Shape between described guide sleeve (9) and shell (5)
Into Hermetical connecting structure.
4. according to a kind of electromagnet described in claim 2 or 3, it is characterised in that：The guide sleeve (9), rear yoke bush (10),
Housing (1) is formed to form the o of integral structure by injection between coil (4), skeleton (6), shell (5).
A kind of 5. electromagnet according to claim 4, it is characterised in that：Installed part (2) is consolidated on described housing (1),
Mounting hole is set on the installed part (2).
A kind of 6. electromagnet according to claim 5, it is characterised in that：Locating notch is set on described installed part (2)
(21)。
A kind of 7. electromagnet according to claim 4, it is characterised in that：Anticreep barb is set on described shell (5)
(51)。
A kind of 8. electromagnet according to claim 4, it is characterised in that：Glue breach was opened up in described rear yoke bush (10)
(101)。
9. according to a kind of electromagnet described in claim any one of 1-3, it is characterised in that：Opened up in described preceding yoke bush (8)
Several and what is be distributed in a ring first cool down hole (84).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610584968.2A CN106024265B (en) | 2016-07-22 | 2016-07-22 | A kind of electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610584968.2A CN106024265B (en) | 2016-07-22 | 2016-07-22 | A kind of electromagnet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106024265A CN106024265A (en) | 2016-10-12 |
| CN106024265B true CN106024265B (en) | 2018-01-02 |
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ID=57116287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610584968.2A Active CN106024265B (en) | 2016-07-22 | 2016-07-22 | A kind of electromagnet |
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| Country | Link |
|---|---|
| CN (1) | CN106024265B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099170B (en) * | 2017-06-21 | 2024-05-17 | 纬湃汽车电子(芜湖)有限公司 | Compressed gas bypass valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012163130A (en) * | 2011-02-04 | 2012-08-30 | Denso Corp | Electromagnetic valve |
| CN202561213U (en) * | 2012-04-13 | 2012-11-28 | 绵阳富临精工机械股份有限公司 | Actuating mechanism electromagnetic valve of automobile electronic control system |
| CN203499748U (en) * | 2013-09-27 | 2014-03-26 | 绵阳富临精工机械股份有限公司 | Centrally-mounted VVT system |
| CN104454061A (en) * | 2014-11-20 | 2015-03-25 | 绵阳富临精工机械股份有限公司 | Engine oil control valve with guiding structure |
| CN205900226U (en) * | 2016-07-22 | 2017-01-18 | 绵阳富临精工机械股份有限公司 | Electromagnet |
-
2016
- 2016-07-22 CN CN201610584968.2A patent/CN106024265B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012163130A (en) * | 2011-02-04 | 2012-08-30 | Denso Corp | Electromagnetic valve |
| CN202561213U (en) * | 2012-04-13 | 2012-11-28 | 绵阳富临精工机械股份有限公司 | Actuating mechanism electromagnetic valve of automobile electronic control system |
| CN203499748U (en) * | 2013-09-27 | 2014-03-26 | 绵阳富临精工机械股份有限公司 | Centrally-mounted VVT system |
| CN104454061A (en) * | 2014-11-20 | 2015-03-25 | 绵阳富临精工机械股份有限公司 | Engine oil control valve with guiding structure |
| CN205900226U (en) * | 2016-07-22 | 2017-01-18 | 绵阳富临精工机械股份有限公司 | Electromagnet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106024265A (en) | 2016-10-12 |
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