CN207517460U - A kind of combination permanent magnet - Google Patents
A kind of combination permanent magnet Download PDFInfo
- Publication number
- CN207517460U CN207517460U CN201721260380.8U CN201721260380U CN207517460U CN 207517460 U CN207517460 U CN 207517460U CN 201721260380 U CN201721260380 U CN 201721260380U CN 207517460 U CN207517460 U CN 207517460U
- Authority
- CN
- China
- Prior art keywords
- magnet
- center
- center magnet
- groove
- perimeter magnets
- 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.)
- Active
Links
Landscapes
- Magnetic Treatment Devices (AREA)
Abstract
The utility model discloses a kind of combination permanent magnets, including assembly, groove is equipped among assembly, assembly includes center magnet and several Perimeter magnets for being symmetrical arranged and being bonded therewith around center magnet, groove location is corresponding with the position of center magnet, the one side of Perimeter magnets face center magnet is medial surface, and one side of the Perimeter magnets far from center magnet is lateral surface, and medial surface is magnetic pole with lateral surface.It the advantage is that, realized by surface magnetic flux compression and magnetic flux guidance scheme has the device of larger magnetic force in an effective coverage, and realize the Vector modulation of magnetic force direction, it is a kind of practical combination permanent-magnet structure of variation in different zones magnetic force direction, is not only adapted to the lock core of the brute spring in conventional EAS tag and is more suitable for the lock core of novel belt gravity steel ball protection.
Description
Technical field
The utility model is related to alarm unlocking magnet more particularly to a kind of combination permanent magnets.
Background technology
At present in the commercial fields such as large-scale supermarket, commodity are illegally taken away place of business in order to prevent, often in quotient
Antitheft class label, i.e. EAS technologies are added on product.As EAS technologies are popularized, more and more people have understood the release method of label,
To releasing appliance, the acquisition of common lockaid gun is more and more easier, while can pass through percussion or other means to regular tenacity label
Label is released easily.Therefore the safety for reinforcing label, more common method is exactly to strengthen the spring strength of lock core, that is, is strengthened
Elastic force.In addition there is a kind of anti-theft tag protected by increase rolling gravity steel ball on the market, this kind of lock core was both
The unlatching of traditional magnetic lockaid gun can be prevented, and percussion mode can be resisted and released.
For the improvement for strengthening lock core elastic force, need compared with high-intensity magnetic field intensity, and for novel key cylinder structure, label
Had a certain distance apart from magnet by magnetic force steel ball and support column in lock core, the magnetic force of the combination permanent magnet of original technology be away from
Magnetic force is larger during from permanent magnet surfaces, but very big slightly off the surface magnetic force range of decrease, can not provide high-intensity magnetic field intensity.To provide strong magnetic
Field intensity, single permanent magnet will select the permanent-magnet material of the high trade mark and combination magnet size is larger, can lead to magnetism in this way
Lockaid gun volume itself is excessive, is especially used when lockaid gun is hand-held very inconvenient；And for combining permanent magnet
It says, maximum Surface field intensity is limited, had both been the magnetic field intensity that reaches capacity, and had had one apart from magnet surface for lock core
During set a distance, magnetic force is also weaker, it is impossible to reach expected.Therefore, it is necessary to design a kind of novel compositions permanent magnet, can solve
There are technological deficiencies for original technology, are also applied for the lock core of novel belt gravity steel ball protection.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of high-intensity magnetic field intensity of stabilization
Combine permanent magnet.
The purpose of this utility model adopts the following technical scheme that realization：A kind of combination permanent magnet, including assembly, described group
It is fit intermediate to be equipped with groove, the assembly include center magnet and be symmetrical arranged around the center magnet and with the center
Several Perimeter magnets of magnet fitting, the groove location is corresponding with the position of the center magnet, the Perimeter magnets face
The one side of the center magnet is medial surface, and one side of the Perimeter magnets far from the center magnet is lateral surface, described interior
Side is magnetic pole with lateral surface.
Further, the center magnet and the Perimeter magnets are fitted by way of bonding or cuff.
Further, the center magnet uses permanent magnet, and the upper surface of the center magnet and lower face are magnetic pole, institute
The magnetic pole for stating upper surface is identical with the pole polarity of the medial surface of the Perimeter magnets.
Further, the center magnet uses soft magnet.
Further, the center magnet is polygonal prism, the side quantity of the center magnet and the Perimeter magnets
Quantity it is corresponding, the medial surface of the Perimeter magnets is corresponding with the side of the center magnet and fits closely.
Further, the Perimeter magnets top is equipped with notch, several described peripheries towards the center magnet side
The notch on magnet forms the side wall of the groove.
Further, the wall of the notch is inclined inclined-plane outward.
Further, the bottom surface of the groove is the upper surface of the center magnet.
Further, the wall of the notch includes prism and planar base surface, and the planar base surface is upper with the center magnet
End face forms the bottom surface of the groove.
Further, the upper surface of the center magnet and the top surface of the Perimeter magnets flush, and the assembly also wraps
Include the permanent-magnetic clamp being arranged on above Perimeter magnets, the side wall of the groove is the inner wall of the permanent-magnetic clamp, the bottom surface of the groove
For the upper surface of the center magnet and the top surface of the Perimeter magnets, the pole polarity of the bottom surface of the permanent-magnetic clamp with it is described in
The pole polarity of heart magnet upper surface is identical.
Compared with prior art, the beneficial effects of the utility model are：Pass through surface magnetic flux plus cavity compressed magnetic flux scheme
Realize has the device of larger magnetic force in an effective coverage, and realizes the Vector modulation of magnetic force direction, in difference
Region magnetic force direction is a kind of practical combination permanent-magnet structure of variation, is not only adapted to the lock of the brute spring in conventional EAS tag
Core, and it is more suitable for the lock core of novel belt gravity steel ball protection.
Description of the drawings
The structure diagram for combining permanent magnet of Fig. 1, the utility model embodiment one；
The exploded perspective view for combining permanent magnet of Fig. 2, the utility model embodiment one；
Fig. 3, the combination cross-sectional view of permanent magnet of the utility model embodiment one and pole orientation schematic diagram；
Pole orientation schematic diagram when magnet is soft magnet centered on Fig. 4；
The structure diagram for combining permanent magnet of Fig. 5, the utility model embodiment two；
Fig. 6, the combination cross-sectional view of permanent magnet of the utility model embodiment two and pole orientation schematic diagram；
The structure diagram for combining permanent magnet of Fig. 7, the utility model embodiment three；
Fig. 8, the combination cross-sectional view of permanent magnet of the utility model embodiment three and pole orientation schematic diagram.
In figure：10th, assembly；11st, groove；20th, center magnet；21st, upper surface；22nd, lower face；30th, Perimeter magnets；
31st, medial surface；32nd, lateral surface；33rd, notch；40th, permanent-magnetic clamp.
Specific embodiment
In the following, with reference to attached drawing and specific embodiment, the utility model is described further, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
As shown in figures 1-8, a kind of combination permanent magnet including assembly 10, is equipped with groove 11, combination among assembly 10
Body 10 includes center magnet 20 and several Perimeter magnets for being uniformly arranged and being connect with center magnet 20 around center magnet 20
30,11 position of groove is corresponding with the position of center magnet 20, and the one side of 30 face center magnet 20 of Perimeter magnets is medial surface
31, one side of the Perimeter magnets 30 far from center magnet 20 is lateral surface 32, and medial surface 31 is magnetic pole with lateral surface 32.Pass through surface
Magnetic flux adds cavity compressed magnetic flux scheme to realize the device in an effective coverage with larger magnetic force, and realizes magnetic force
The Vector modulation in direction is a kind of practical combination permanent-magnet structure of variation in different zones magnetic force direction, is not only adapted to traditional EAS
The lock core of brute spring in label and the lock core for being more suitable for the protection of novel belt gravity steel ball.
Center magnet 20 is connected with Perimeter magnets 30 by way of bonding, other common connection modes can also be used.
It can also be used in 30 outside setting compacting ring of Perimeter magnets, compress center magnet 20 and Perimeter magnets 30.
Preferably, as shown in figure 3, permanent magnet, upper surface 21 and the lower face 22 of center magnet 20 can be used in center magnet
For magnetic pole, the magnetic pole of upper surface 21 is identical with the pole polarity of medial surface 31, and magnetic field greatly enhances in a groove, realizes magnetic force side
To Vector modulation.
On the other hand, as shown in figure 4, high saturated magnetic induction and high magnetic permeability soft magnet can be used in center magnet 20.
After soft magnet usually selects iron staff, center magnet 20 to be substituted with iron staff, the material cost of combination permanent magnet is not only reduced, it is also sharp
In the processing of combination permanent magnet.Comprehensive scheme is pressed especially for the high magnetic flux of center small cross sectional, center magnet 20 uses soft magnetism
Iron staff is more conducive to obtain more high magnetic flux density field.
Preferably, as shown in Figure 1, 2, center magnet 20 is polygonal prism, the side quantity of center magnet 20 and periphery magnetic
The quantity of body 30 is corresponding, and the medial surface 31 of Perimeter magnets 30 is corresponding with the side of center magnet 20 and fits closely.
Center magnet 20 can be also set as to cylinder, 30 quantity of Perimeter magnets is indefinite, medial surface 31 and 20 side of center magnet
Face fits closely, and when Perimeter magnets are odd number, Perimeter magnets is are uniformly arranged, and when quantity is even number, Perimeter magnets are symmetrical arranged
.
It is a kind of formed groove 11 mode be：30 top of Perimeter magnets is equipped with notch 33 towards 20 side of center magnet, if
Notch 33 on dry Perimeter magnets 30 forms the side wall of groove 11.The wall of notch is inclined inclined-plane outward, by cutting tiltedly
Face increases the outside diameter of groove 11, and thus adjusts the magnetic line of force distribution in chamber slot.Magnet 20 centered on the bottom surface of groove 11
Upper surface 21.
As shown in Figure 5,6, the another way for forming groove 11 is：The wall of notch includes prism and planar base surface, flat
Face flushes the bottom surface for forming groove 11 with the upper surface 21 of center magnet 20.In order to be more convenient to apply, the bore of groove 11 needs
Certain size, and the cross section of center magnet 20 needs hour as possible, and the bore of groove 11 had both been met using above-mentioned design,
It has also ensured compressed magnetic flux ratio simultaneously, has realized the high magnetic field intensity of combination permanent magnet.
Permanent magnet is combined just for the lockaid gun of the lock core tensile strength strengthened scheme of tradition application, as shown in Fig. 7,8,
Formed groove 11 another way be：The upper surface 21 of center magnet 20 and the top surface of Perimeter magnets 30 flush, assembly 10
Further include the permanent-magnetic clamp 40 for being arranged on the top of Perimeter magnets 30, the side wall of groove 11 is the inner wall of permanent-magnetic clamp 40, the bottom of groove 11
The upper surface 21 of magnet 20 and the top surface of Perimeter magnets 30, the pole polarity and center magnet of the bottom surface of permanent-magnetic clamp 40 centered on face
The pole polarity of 20 upper surfaces 21 is identical.Permanent-magnetic clamp 40 is pulled on the end face of combination cylindricality permanent magnet.Using permanent-magnetic clamp 40 and group
The suction type combination of permanent magnet is closed, the magnetic induction intensity of combination permanent magnet is further enhanced, stronger magnetic force is reached in groove,
In identical size and permanent-magnet material, such combination is more easy to reach compared with high magnetic force or such combination under the conditions of identical magnetic force
Magnet size smaller.
The above embodiment is only the preferred embodiment of the utility model, it is impossible to be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model range claimed.
Claims (10)
1. a kind of combination permanent magnet, which is characterized in that including assembly, groove, the assembly are equipped among the assembly
It is described including center magnet and around several Perimeter magnets that the center magnet is symmetrical arranged and is bonded with the center magnet
Groove location is corresponding with the position of the center magnet, and the one side of center magnet described in the Perimeter magnets face is medial surface,
One side of the Perimeter magnets far from the center magnet is lateral surface, and the medial surface is magnetic pole with lateral surface.
2. combination permanent magnet as described in claim 1, which is characterized in that the center magnet and the Perimeter magnets pass through viscous
It connects or the mode of cuff fits.
3. combination permanent magnet as described in claim 1, which is characterized in that the center magnet uses permanent magnet, the center
The upper surface of magnet and lower face are magnetic pole, the magnetic pole pole of the magnetic pole of the upper surface and the medial surface of the Perimeter magnets
Property is identical.
4. combination permanent magnet as described in claim 1, which is characterized in that the center magnet uses soft magnet.
5. as described in claim 1 combination permanent magnet, which is characterized in that the center magnet be polygonal prism, the center
The side quantity of magnet is corresponding with the quantity of the Perimeter magnets, the medial surface of the Perimeter magnets and the center magnet
Side is corresponding and fits closely.
6. combination permanent magnet as described in claim 1, which is characterized in that the Perimeter magnets top is towards the center magnet
Side is equipped with notch, and the notch on several described Perimeter magnets forms the side wall of the groove.
7. combination permanent magnet as claimed in claim 6, which is characterized in that the wall of the notch is inclined inclined-plane outward.
8. combination permanent magnet as claimed in claim 6, which is characterized in that the bottom surface of the groove is upper for the center magnet
End face.
9. combination permanent magnet as claimed in claim 6, which is characterized in that the wall of the notch includes prism and planar base surface,
The planar base surface flushes the bottom surface for forming the groove with the upper surface of the center magnet.
10. combination permanent magnet as described in claim 1, which is characterized in that the upper surface of the center magnet and the periphery
The top surface of magnet flushes, and the assembly further includes the permanent-magnetic clamp being arranged on above Perimeter magnets, and the side wall of the groove is institute
State the inner wall of permanent-magnetic clamp, the bottom surface of the groove is the upper surface of the center magnet and the top surface of the Perimeter magnets, described
The pole polarity of the bottom surface of permanent-magnetic clamp is identical with the pole polarity of the center magnet upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721260380.8U CN207517460U (en) | 2017-09-28 | 2017-09-28 | A kind of combination permanent magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721260380.8U CN207517460U (en) | 2017-09-28 | 2017-09-28 | A kind of combination permanent magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207517460U true CN207517460U (en) | 2018-06-19 |
Family
ID=62533050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721260380.8U Active CN207517460U (en) | 2017-09-28 | 2017-09-28 | A kind of combination permanent magnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207517460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114512298A (en) * | 2022-02-18 | 2022-05-17 | 重庆交通大学 | Magnet device for enhancing received signal, received signal enhancing device and laser bonding force detection device |
-
2017
- 2017-09-28 CN CN201721260380.8U patent/CN207517460U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114512298A (en) * | 2022-02-18 | 2022-05-17 | 重庆交通大学 | Magnet device for enhancing received signal, received signal enhancing device and laser bonding force detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207517460U (en) | A kind of combination permanent magnet | |
| CN207139610U (en) | A kind of electromagnet tool | |
| CN201381027Y (en) | Burglarproof button of wine bottles | |
| CN207966443U (en) | A kind of billboard | |
| CN108244790A (en) | A kind of higher handbag of security performance | |
| CN212104197U (en) | Hydraulic engineering theftproof well lid | |
| CN206737624U (en) | A kind of anti-theft fastener with monitoring | |
| CN201641085U (en) | Furniture rope structure | |
| CN205259740U (en) | Commodity theftproof padlock | |
| CN201021695Y (en) | Magnetic washer | |
| CN207321692U (en) | A kind of shell structure easy to fixed carrying cable | |
| CN208949594U (en) | Hanger bar and its clothes hanger with the convenient adsorption head of magneto | |
| CN206283295U (en) | The wireless charging device of position can be automatically directed at | |
| CN2387214Y (en) | Special compound magnetic rod for magnetic lock | |
| CN203102402U (en) | Intelligent key interlocking post | |
| CN211008064U (en) | Release device of anti-theft buckle for supermarket and market | |
| CN206329616U (en) | A kind of electric permanent-magnet suction disc device of Based Intelligent Control mold changing | |
| CN216287821U (en) | Insulating neodymium iron boron magnet | |
| CN209911989U (en) | Retail store face recognition device with anti-theft function | |
| CN206833885U (en) | Advertisement flag disc base | |
| CN218333430U (en) | Miniature transformer skeleton | |
| CN217557975U (en) | Self-locking lock cylinder fixing part | |
| CN215859573U (en) | Stable and portable type twisting lock for suitcase | |
| CN108204399A (en) | A kind of electric permanent-magnet suction disc device of intelligent control mold changing | |
| CN215674760U (en) | Tilting prevention device for steel cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |