CN207381204U - A kind of electromagnet - Google Patents
A kind of electromagnet Download PDFInfo
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- CN207381204U CN207381204U CN201720875375.1U CN201720875375U CN207381204U CN 207381204 U CN207381204 U CN 207381204U CN 201720875375 U CN201720875375 U CN 201720875375U CN 207381204 U CN207381204 U CN 207381204U
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- iron core
- dynamic iron
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- mandril
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Abstract
A kind of electromagnet, including yoke（1）, coil, mandril（2）, dynamic iron core, static iron core and resetting spring（5）, it is characterized in that：Dynamic iron core is two：First dynamic iron core（31）With the second dynamic iron core（41）；Static iron core is also two：First static iron core（32）With the second static iron core（42）；The coil is also two：First coil（61）With the second coil（62）；Yoke（1）Center set gradually the first dynamic iron core vertically（31）, the first static iron core（32）, the second dynamic iron core（41）And second static iron core（42）；Yoke（1）, first coil（61）, the first dynamic iron core（31）, the first static iron core（32）Form the first magnetic loop, the yoke（1）, the second coil（62）, the second dynamic iron core（41）, the second static iron core（42）Form the second magnetic loop.
Description
Technical field
The utility model is related to electromagnet.
Background technology
In the prior art as shown in Figure 1 this electromagnet structure, including yoke, coil, mandril, dynamic iron core, static iron core with
And resetting spring, static iron core and dynamic iron core are arranged on the central axis of yoke, static iron core opposing yoke is fixed, and dynamic iron core is with respect to magnetic
Yoke, which slides, to be set, and coil is arranged on inside yoke and is set around static iron core and dynamic iron core；The mandril is arranged in static iron core and dynamic iron core
Centre bore in, mandril and dynamic iron core are to stop to be connected.During work, when coil obtains it is electric after, dynamic iron core is in electromagnetic attraction
It is moved under effect to static iron core, since dynamic iron core lower part and mandril are to stop cooperation, dynamic iron core is direct during moving downward
Mandril is driven to move downwardly together, begins to hit driven executing agency's action when electromagnetism gap is larger, due to electromagnetism
Electromagnetism is inhaled smaller when gap is larger, and the executing agency often driven makes just in initial actuating since stiction is larger
Beginning hitting power is smaller, now general all using the electric current or the body of increase electromagnet for improving electromagnetic coil to solve the problems, such as this
Product, exports larger initial hitting power, executing agency to be driven to act to improve electromagnetic attraction.Such consequence is exactly：1,
Excessive driving current generates very high power consumption, and causes fever serious, and especially in low voltage drive, electric current is especially big.2,
Electromagnet volume is excessive, is unfavorable for product miniaturization.
In this case, there is an urgent need to a kind of electromagnet that can be improved iron core driving mandril and stretch out dynamics, it has
Smaller volume, smaller driving current, larger power output.
The content of the invention
The purpose of this utility model is to provide a kind of electromagnet, and so that electromagnet minimizes, and driving current is small, and has
There is larger power output.
In order to achieve the above objectives, the technical solution adopted in the utility model is：A kind of electromagnet, including yoke, coil, top
Bar, dynamic iron core, static iron core and resetting spring, the action of reset spring is on mandril, the active force driving top of resetting spring
Bar drives dynamic iron core to be resetted away from static iron core；
The dynamic iron core is two：First dynamic iron core and the second dynamic iron core；The static iron core is also two：First static iron core
With the second static iron core；The coil is also two：First coil and the second coil；
The center of the yoke sets gradually first dynamic iron core, first static iron core, described second dynamic vertically
Iron core and second static iron core；The first coil corresponds to the first dynamic iron core and the first static iron core around setting；It is described
Second coil corresponds to the second dynamic iron core and the second static iron core around setting；The yoke, the first dynamic iron core, the first static iron core structure
Into the first magnetic loop, the yoke, the second dynamic iron core, the second static iron core form the second magnetic loop；
The mandril passes through the first dynamic iron core, the first static iron core, the second dynamic iron core and the second static iron core, when the first dynamic iron
Core and the second dynamic iron core drive mandril to move when being moved towards static iron core on the other side；
Also, under the initial obstructed electricity condition, the electromagnetism gap between the first dynamic iron core and the first static iron core be less than or
More than the electromagnetism gap between the second dynamic iron core and the second static iron core.
In said program, the electromagnet is set along the vertical direction with mandril, the end equipped with the first dynamic iron core upward, if
There is the end of the second static iron core downward；Correspond to the first dynamic iron core on the mandril and be equipped with the first stop shaft shoulder, first stop
The shaft shoulder is located at the lower end side of the first dynamic iron core；The second dynamic iron core is also corresponded on mandril and stops the shaft shoulder equipped with second, second resistance
Gear shaft shoulder is located at the lower end side of the second dynamic iron core.
Further, the resetting spring is at least one, and is compression spring, it is arranged on second and stops the shaft shoulder and the second static iron core
Between or first stop between the shaft shoulder and the first static iron core.
Further, the resetting spring is two, is compression spring, one be arranged on second stop the shaft shoulder and the second static iron core it
Between, another one is arranged on first and stops between the shaft shoulder and the first static iron core.
The operation principle of the utility model is：Referring to shown in Fig. 2, Fig. 3, initial position, such as Fig. 2,61 dead electricity of first coil,
The size in the electromagnetism gap of 62 dead electricity of the second coil, the first described at this time dynamic iron core 31 and the first static iron core 32 is less than second
The size in the electromagnetism gap of 41 and second static iron core 42 of dynamic iron core, if at this point, first coil 61 is powered, by the first dynamic iron core 31 with
The electromagnetism gap of first static iron core 32 is smaller, can generate larger initial electromagnetic suction, and mandril 2 is driven to move downward, and overcomes outer
The reaction force in portion, driving mandril 2 continue to move downward, and as mandril 2 continues to move downward, the second dynamic iron core 31 is with mandril
2 move downward and are also tapered into the electromagnetism gap size of the second dynamic iron core 32, and the second coil 62 is powered at this time, and can generate
Larger initial electromagnetic suction further speeds up mandril 2 and moves so that mandril 2 obtains larger power output.Work as first coil
61st, after 62 equal dead electricity of the second coil, the resetting spring 5 forces mandril 2 compared with the second static iron core 42 towards the first dynamic iron core
31 sides move, and return to original state.
The effect and principle of the utility model be：Using between smaller electromagnetism between the first dynamic iron core and the first static iron core
Gap, obtains larger initial electromagnetic suction, recycles the mutual cooperation of the first dynamic iron core, the second dynamic iron core and mandril, obtain with
The identical actuating length in the electromagnetism gap of second dynamic iron core, that is, obtain larger initial electromagnetic power and larger actuating length.
If two electromagnetism gaps are identical, necessary two actuating lengths are identical, then cannot obtain smaller electromagnetism gap, then initial electromagnetic
Suction is smaller, it is impossible to overcome reaction force, can not carry out adhesive action.After the technical solution of the utility model, in electromagnetism
In the case of iron phase same volume, bigger initial electromagnetic power and actuating length can be obtained, is conducive to the miniaturization of electromagnet.
Description of the drawings
Fig. 1 is the structure diagram of this prior art；
Fig. 2 is the original state structure diagram of the utility model embodiment；
Fig. 3 is the structure diagram of the operating state of the utility model embodiment.
In the figures above：1st, yoke；2nd, mandril；21st, first stops the shaft shoulder；22nd, second stops the shaft shoulder；31st, the first dynamic iron
Core；32nd, the first static iron core；321st, escape groove；41st, the second dynamic iron core；42nd, the second static iron core；5th, resetting spring；61st, First Line
Circle；62nd, the second coil.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments：
Embodiment：Referring to shown in Fig. 2 and Fig. 3：
A kind of electromagnet, including yoke 1, coil, mandril 2, dynamic iron core, static iron core and resetting spring 5, the reset bullet
Spring is acted on mandril 2, and the active force driving mandril of resetting spring 5 drives dynamic iron core to be resetted away from static iron core.
Referring to shown in Fig. 2 and Fig. 3, the dynamic iron core is two：First dynamic iron core 31 and the second dynamic iron core 41；The quiet iron
Core is also two：First static iron core 32 and the second static iron core 42；The coil is also two：61 and second coil of first coil
62。
The center of the yoke 1 sets gradually first dynamic iron core 31, first static iron core 32, described vertically
Two dynamic iron cores 41 and second static iron core 42；The first coil 61 corresponds to the first dynamic iron core 31 and the first static iron core 32
Around setting；Second coil 62 corresponds to the second dynamic iron core 41 and the second static iron core 42 around setting；The yoke 1,
One dynamic iron core 31, the first static iron core 32 form the first magnetic loop, and the yoke 1, the second dynamic iron core 41, the second static iron core 42 are formed
Second magnetic loop.
The mandril 2 passes through the first dynamic iron core 31, the first static iron core 32, the second dynamic iron core 41 and the second static iron core 42,
When the first dynamic iron core 31 and the second dynamic iron core 41 are moved towards static iron core on the other side mandril 2 is driven to move.
Also, under the initial obstructed electricity condition, the electromagnetism gap between the first dynamic iron core 31 and the first static iron core 32 is small
Electromagnetism gap between the second dynamic iron core 41 and the second static iron core 42.
Referring to shown in Fig. 2 and Fig. 3, specifically, the electromagnet is set along the vertical direction with mandril 2, equipped with the first dynamic iron core
Upward, the end equipped with the second static iron core 42 is downward for 31 end；Correspond to the first dynamic iron core 31 on the mandril 2 and be equipped with first
Stop the shaft shoulder 21, which is located at the lower end side of the first dynamic iron core 31；The second dynamic iron core is also corresponded on mandril 2
41, which are equipped with second, stops the shaft shoulder 22, which is located at the lower end side of the second dynamic iron core 41.The lower end extension of mandril 2
Go out as thrust output terminal.
Specifically, the resetting spring 5 is at least one, and is compression spring, it is arranged on second and stops 22 and second quiet iron of the shaft shoulder
Between core 42.
Referring to shown in Fig. 2, Fig. 3, initial position, such as Fig. 2,61 dead electricity of first coil, 62 dead electricity of the second coil is described at this time
The first dynamic iron core 31 and the size in electromagnetism gap of the first static iron core 32 be less than the second dynamic iron core 41 and the second static iron core 42
Electromagnetism gap size, if at this point, first coil 61 is powered, by the first dynamic iron core 31 and the electromagnetism gap of the first static iron core 32
It is smaller, larger initial electromagnetic suction can be generated, mandril 2 is driven to move downward, overcomes outside, driving mandril 2 continues downwards
Movement, as mandril 2 continues to move downward, the second dynamic iron core 31 moves downward the electromagnetism with the second dynamic iron core 32 with mandril 2
Gap size also tapers into, and the second coil 62 is powered at this time, and can generate larger initial electromagnetic suction, further speeds up
Mandril 2 moves so that mandril 2 obtains larger power output.After first coil 61, the second 62 equal dead electricity of coil, the reset
Spring 5 forces mandril 2 to be moved compared with the second static iron core 42 towards 31 side of the first dynamic iron core, returns to original state.
Above-described embodiment is citing, in practice, there is following variation：
1st, for mandril 2 with the second dynamic iron core 32 to be fixedly connected or being flexibly connected, 2 and first dynamic iron core 31 of mandril is activity
Connection drives mandril 2 to move when the first dynamic iron core 31 and the second dynamic iron core 41 are moved towards static iron core on the other side.It uses
When need not also be set using along the vertical direction, also can any direction install and use；
2nd, the resetting spring 5 is two, is compression spring, one be arranged on second stop 22 and second static iron core 42 of the shaft shoulder it
Between, another one is arranged between the first stop 21 and first static iron core 32 of the shaft shoulder；
3rd, under the initial obstructed electricity condition, the electromagnetism gap between the first dynamic iron core 31 and the first static iron core 32 is more than the
Electromagnetism gap between two dynamic iron cores 41 and the second static iron core 42 also can, the second coil 62 is first powered by when use in advance makes second
Dynamic iron core 41 first starts to act, and then the first dynamic iron core 31 acts again, effect and implements above also identical.
4th, described first stops at least one in the shaft shoulder 21, second shaft shoulder 22 and mandril 2 to be engaged by clamping, generally,
Using clamp spring, it can so facilitate the installation of mandril 2.
5th, 61 and second coil 62 of first coil is powered simultaneously, can obtain the initial electromagnetic power of bigger, overcomes outer
The reaction force in portion, driving mandril 2 continue to move downward, and the second dynamic iron core 31 moves downward and the second dynamic iron core with mandril 2
32 electromagnetism gap size also tapers into, and can generate larger electromagnetic attraction so that mandril 2 obtains larger output
Power.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, can not the scope of protection of the utility model be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (4)
1. a kind of electromagnet, including yoke（1）, coil, mandril（2）, dynamic iron core, static iron core and resetting spring（5）, it is described multiple
Position spring（5）Act on mandril（2）On, the active force driving mandril of resetting spring (5)（2）Dynamic iron core is driven to be answered away from static iron core
Position；It is characterized in that：
The dynamic iron core is two：First dynamic iron core（31）With the second dynamic iron core（41）；The static iron core is also two：First is quiet
Iron core（32）With the second static iron core（42）；The coil is also two：First coil（61）With the second coil（62）；
The yoke（1）Center set gradually first dynamic iron core vertically（31）, first static iron core（32）, it is described
Second dynamic iron core（41）And second static iron core（42）；The first coil（61）Corresponding to the first dynamic iron core（31）With
One static iron core（32）Around setting；Second coil（62）Corresponding to the second dynamic iron core（41）With the second static iron core（42）It surround
It sets；The yoke（1）, the first dynamic iron core（31）, the first static iron core（32）Form the first magnetic loop, the yoke（1）, second
Dynamic iron core（41）, the second static iron core（42）Form the second magnetic loop；
The mandril（2）Through the first dynamic iron core（31）, the first static iron core（32）, the second dynamic iron core（41）And second static iron core
（42）, when the first dynamic iron core（31）With the second dynamic iron core（41）Mandril is driven when being moved towards static iron core on the other side（2）Fortune
It is dynamic；
Also, under initial power failure state, the first dynamic iron core（31）With the first static iron core（32）Between electromagnetism gap be less than or
More than the second dynamic iron core（41）With the second static iron core（42）Between electromagnetism gap.
2. electromagnet according to claim 1, it is characterised in that：The electromagnet is with mandril（2）It sets along the vertical direction, if
There is the first dynamic iron core（31）End upward, equipped with the second static iron core（42）End downward；The mandril（2）It is upper to correspond to the
One dynamic iron core（31）Stop the shaft shoulder equipped with first（21）, the first stop shaft shoulder（21）Positioned at the first dynamic iron core（31）Lower end
Side；Mandril（2）On also correspond to the second dynamic iron core（41）Stop the shaft shoulder equipped with second（22）, the second stop shaft shoulder（22）It is located at
Second dynamic iron core（41）Lower end side；First static iron core（32）Upper correspondence first stops the shaft shoulder（21）Equipped with escape groove
（321）.
3. electromagnet according to claim 2, it is characterised in that：The resetting spring（5）To be at least one, and it is compression spring,
It is arranged on second and stops the shaft shoulder（22）With the second static iron core（42）Between or first stop the shaft shoulder（21）With the first static iron core（32）
Between.
4. electromagnet according to claim 2, it is characterised in that：The resetting spring（5）It is compression spring for two, one
Stop the shaft shoulder arranged on second（22）With the second static iron core（42）Between, another one is arranged on first and stops the shaft shoulder（21）With the first quiet iron
Core（32）Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875375.1U CN207381204U (en) | 2017-07-19 | 2017-07-19 | A kind of electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875375.1U CN207381204U (en) | 2017-07-19 | 2017-07-19 | A kind of electromagnet |
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| Publication Number | Publication Date |
|---|---|
| CN207381204U true CN207381204U (en) | 2018-05-18 |
Family
ID=62298129
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720875375.1U Active CN207381204U (en) | 2017-07-19 | 2017-07-19 | A kind of electromagnet |
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| Country | Link |
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| CN (1) | CN207381204U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654249A (en) * | 2018-12-20 | 2019-04-19 | 珠海优特智厨科技有限公司 | Pinch valve |
| CN114533260A (en) * | 2022-04-27 | 2022-05-27 | 深圳市艾泉科技有限公司 | Therapeutic apparatus and skin treatment device |
| CN114587574A (en) * | 2022-05-09 | 2022-06-07 | 深圳市艾泉科技有限公司 | Treatment device and skin treatment apparatus |
-
2017
- 2017-07-19 CN CN201720875375.1U patent/CN207381204U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654249A (en) * | 2018-12-20 | 2019-04-19 | 珠海优特智厨科技有限公司 | Pinch valve |
| CN114533260A (en) * | 2022-04-27 | 2022-05-27 | 深圳市艾泉科技有限公司 | Therapeutic apparatus and skin treatment device |
| CN114533260B (en) * | 2022-04-27 | 2022-07-22 | 深圳市艾泉科技有限公司 | Therapeutic apparatus and skin treatment device |
| CN114587574A (en) * | 2022-05-09 | 2022-06-07 | 深圳市艾泉科技有限公司 | Treatment device and skin treatment apparatus |
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