CN209118865U - The magnet structure that magnetic is combined in non-stop layer hole - Google Patents
The magnet structure that magnetic is combined in non-stop layer hole Download PDFInfo
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- CN209118865U CN209118865U CN201822253992.5U CN201822253992U CN209118865U CN 209118865 U CN209118865 U CN 209118865U CN 201822253992 U CN201822253992 U CN 201822253992U CN 209118865 U CN209118865 U CN 209118865U
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- yoke
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- clearance fit
- magnet
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Abstract
The utility model discloses a kind of magnet structures that magnetic is combined in non-stop layer hole, belong to sensor movement technical field.Clearance fit is carried out by the centre bore of setting special tooling and the second lid, while using the central axis clearance fit of the centre bore of the 4th yoke and special tooling, realizing the purpose being accurately positioned to magnetic structure；In addition, pass through the first magnet steel, the second magnet steel, third magnet steel, first yoke, the second yoke, third yoke, the 4th yoke and the first compensation ring, the second compensation ring, third compensate the clearance fit relationship between ring, and have certain magnetic attraction, so that magnet structure keeps good concentricity.The utility model realize not only without centre bore and but also can reliably, efficiently complete to assemble magnetic structure, solve existing in the prior art to cause magnet steel to lose and the technical issues of increased costs because of band centre bore.
Description
Technical field
The utility model belongs to sensor movement technical field, is related to a kind of magnet structure that magnetic is combined in non-stop layer hole.
Background technique
This utility model may be used primarily for the dynamic Quan sensor movement to magnetic structure, this dynamic Quan sensor movement technology master
It is used for oil-gas exploration, mineral resources exploration and various vibration monitoring fields.Such dynamic Quan sensor has very strong electromechanical turn
Transducing power makes its own have higher sensitivity, good low frequency response ability and wider frequency acceptance band, to have
The potential quality of dynamic Quan sensor (string) is substituted, this has high benefit, inexpensive direction, some very big reality for exploration engineering
Meaning.
This in magnetic structure, the center of each magnetic conductive component has a centre bore, and this centre bore is main
Play a part of fixed center, due to that in the assembling process of dynamic Quan sensor movement, band magnetic can only be selected to assemble magnetic structure,
And if with magnetic assembly without centre bore position when, easily cause the damage of spring leaf and bobbin, and assembly efficiency is very low, because
This, to all magnetic conductive components all band centre bores of magnetic structure, it has also become essential means in this technology implementation process.
Technology to magnetic structure with centre bore brings many benefits to this sensor really, but also brings simultaneously
One larger problem necessarily makes magnet steel cause damages due to form centre bore on magnet steel, this loss about 5%,
Make the added cost for manufacturing magnet steel simultaneously.If magnet steel does not have centre bore, not only the performance of every block of magnet steel be can be improved about
5%, and rejection rate caused by secondary operation centre bore expense and machining center hole is eliminated, while decreasing other magnetic conductions
The similar problems of element.
Therefore, need a kind of non-stop layer hole to magnetic combination magnet structure, realize not only without centre bore and but also can it is reliable,
It efficiently completes to assemble magnetic structure, solution is existing in the prior art to cause magnet steel loss and increased costs because of band centre bore
The technical issues of.
Summary of the invention
In order to achieve the above object, the utility model provides a kind of magnet structure that magnetic is combined in non-stop layer hole, solves
The technical issues of causing magnet steel bulk diffusion because having centre bore, also result in increased costs existing in the prior art.
Technical solution used by the utility model is to provide a kind of magnet structure that magnetic is combined in non-stop layer hole, the second lid
The centre bore of body and the central axis clearance fit of special tooling, the snag axis and the 4th yoke following table of second lid upper surface
The slot clearance fit in face, the macropore of the 4th yoke upper end and the first magnet steel lower gap cooperate, on first magnet steel
End connects with the lower end of third yoke and cooperates with the first compensation czermak space；The upper end of the third yoke and the second magnet steel lower end
Connect, second magnet steel upper end connects with the lower end of the second yoke；The upper end of the third yoke, the second yoke lower end,
Second magnet steel and the second compensation czermak space cooperation；The upper end of second yoke connects with third magnet steel lower end, second yoke
Upper end, third magnet steel lower end and the third compensation czermak space cooperation of iron；Third magnet steel upper end is big with the first yoke lower end
Interporal lacuna cooperation, the snag axis clearance fit of the slot of first yoke upper surface and the first lid lower surface；Described 4th
Yoke lower end center is provided with conducting magnetic column.
Further, first yoke, the second yoke, third yoke, the 4th yoke are cylindrical body；First magnetic
Steel, the second magnet steel, third magnet steel are cylindrical body；The first compensation ring, the second compensation ring, third compensation ring are thin-wall circular tube knot
Structure.
Further, the both ends of second lid are respectively arranged with positive electricity pole, negative electricity pole.
Further, the both ends of first lid are provided with assembly technology hole.
Further, the center of the center-hole diameter of second lid, the center-hole diameter of the 4th yoke, special tooling
Shaft diameter, conducting magnetic column diameter be equal.
The beneficial effects of the utility model are:
1. magnetic property can be improved, under the premise of not increasing cost, magnetic property can be improved about 5%, this is to raising machine core
Performance serve see it is apparent.
2. the cost of magnet steel can be reduced, since magnet steel is without the requirement of centre bore, directly eliminates secondary operation and bring
Increased costs and loss due to spoiled work rate.
3. the cost of yoke can be reduced, since only one yoke needs machining center hole, and other yokes do not need to add
Work centre bore, reduces manufacturing procedure, to reduce costs.
4. playing a role in energy saving, because containing a certain amount of heavy metal, the release of these heavy metals in magnet steel
Can have a certain impact to environment, save about 5% processing capacity, just meaned can reduce about 5% heavy metal release amount, from
And play the effect of energy-saving and emission-reduction.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the magnet structure longitudinal sectional view that magnetic is combined in non-stop layer hole.
In figure, 1. first lids, 2. first yokes, 3. second yokes, 4. third yokes, 5. the 4th yokes, 6. second lids
Body, 7. special toolings, 8-1. positive electricity pole, 8-2. negative electricity pole, 9. conducting magnetic columns, 10. first magnet steel, 11. first compensation rings,
12. the second compensation ring, 13. second magnet steel, 14. thirds compensate ring, 15. third magnet steel, 16. assembly technology holes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The structure setting and working principle of the utility model:
Referring to attached drawing 1.The utility model discloses a kind of magnet structure that magnetic is combined in non-stop layer hole, the second lid 6
The central axis clearance fit of centre bore and special tooling 7, snag axis and 5 lower surface of the 4th yoke of 6 upper surface of the second lid
Slot clearance fit, macropore and 10 lower gap of the first magnet steel cooperation of 5 upper end of the 4th yoke, 10 upper end of the first magnet steel and third
The lower end of yoke 4 connects and compensates 11 clearance fit of ring with first；The upper end of third yoke 4 connects with 13 lower end of the second magnet steel,
Second magnet steel, 13 upper end connects with the lower end of the second yoke 3；The upper end of the third yoke 4, the second yoke 3 lower end,
Second magnet steel 13 and the second compensation 12 clearance fit of ring；The upper end of second yoke 3 connects with 15 lower end of third magnet steel, the second yoke
3 upper end, 15 lower end of third magnet steel and third compensates 14 clearance fit of ring；15 upper end of third magnet steel and 2 lower end of the first yoke
Macropore clearance fit, the snag axis clearance fit of 1 lower surface of slot and the first lid of 2 upper surface of the first yoke；4th yoke 5
Lower end center is provided with conducting magnetic column 9.
First yoke 2, the second yoke 3, third yoke 4, the 4th yoke 5 are cylindrical body；First magnet steel 10, the second magnet steel
13, third magnet steel 15 is cylindrical body；First compensation ring 11, second compensates ring 12, third compensation ring 14 is thin-wall circular tube structure.
The both ends of second lid 6 are respectively arranged with positive electricity pole 8-1, negative electricity pole 8-2.
The both ends of first lid 1 are provided with assembly technology hole 16.
The center-hole diameter of second lid 6, the center-hole diameter of the 4th yoke 5, special tooling 7 root diameter, lead
The diameter of magnetic pole 9 is equal.
The second lid 6 with centre bore is packed on the axis of special tooling 7, the utility model is for positive electricity pole 8-
The combination of 1 and negative electricity pole 8-2 uses balance spring structure；Since the positive and negative anodes of existing slip ring structure are mounted on the second lid 6
Center, and the spacing very little of positive and negative electrode, can not make centre bore, therefore, centre bore can only be placed on the first lid 1,
And the positive and negative electrode of balance spring structure is or not center, and between spacing it is very big, this problem is not present.Therefore the utility model is for just
The combination of electrode column 8-1 and negative electricity pole 8-2 use balance spring structure.
As shown in Figure 1.First magnet steel 10, the second magnet steel 13, third magnet steel 15, the first yoke 2, the second yoke 3, third yoke
Iron 4, the 4th yoke 5 and the first compensation ring 11, second compensate the matching relationship between ring 12, third compensation ring 14 be axis and hole it
Between clearance fit relationship, and have certain magnetic attraction, magnet steel is a cylindrical body, is equivalent to an axis；And the second yoke 3,
The mating surface of third yoke 4 and a cylindrical surface, are equivalent to an axis, and the first yoke 2, the 4th yoke 5 are with big inner hole
Cooperate with third magnet steel 15, the first magnet steel 10, and it is a kind of that the first compensation ring 11, second, which compensates ring 12 and third compensation ring 14,
Matching relationship between thin-wall circular tube, with third magnet steel 15, the second yoke 3, the second magnet steel 13, third yoke 4, the first magnet steel 10
It and is a kind of clearance fit relationship of axis hole.
The clearance fit relationship of axis hole is formed between 5 macropore of lower end and the 4th yoke of first magnet steel 10；First magnet steel 10
Upper end with first compensation 11 hole of ring formed axis hole clearance fit relationship；The lower end of third yoke 4 and the first compensation ring 11
Hole forms the clearance fit relationship of axis hole, and the clearance fit that the upper end of third yoke 4 forms axis hole with the second compensation 12 hole of ring is closed
System；Second magnet steel 13 is directly loadable into the hole of the second compensation ring 12, forms the clearance fit relationship of axis hole；Under second yoke 3
End is fitted into the hole of the second compensation ring 12, and the clearance fit relationship of axis hole is formed with the second compensation ring 12；The upper end of second yoke 3
It is fitted into the hole of third compensation ring 14, forms the clearance fit relationship of axis hole with third compensation ring 14；The lower end of third magnet steel 15
It is fitted into the hole of third compensation ring 14, forms the clearance fit relationship of axis hole, the upper end of third magnet steel 15 with third compensation ring 14
It is fitted into the macropore of the first yoke 2, forms the clearance fit relationship of axis hole with the first yoke 2.It is equal with the clearance fit of upper shaft hole
Using the smallest clearance fit relationship, so that ensure that has good concentricity between each mating parts, zero is also ensured
Radial missing between part；With reliable connectivity, while not generating and being axially and radially displaced.By on special tooling 7
Central axis and the second lid 6, the cooperation of 5 centre bore of the 4th yoke play the role of positioning combination magnet, thus instead of biography
Command the magnet steel of centre bore and the effect of yoke.
Two assembly technology holes 16 are provided in first lid 1 in non-stop layer hole, as long as being pacified with special assembling tool
Dress can play the role of the allotment to the first lid 1.After the completion of the sealing of sensor movement rolling, conducting magnetic column 9 is put into the 4th
In the hole of yoke 5, the opposite protective effect to magnetic circuit is played.So far, magnetic combination magnet structure is replaced in a kind of non-stop layer hole
, there be being achieved to magnetic combination magnet structure for centre bore in generation.
The above is only the preferred embodiment of the utility model only, is not intended to limit the protection model of the utility model
It encloses.Any modification, equivalent substitution, improvement and etc. made within the spirit and principle of the present invention, are all contained in this reality
With in novel protection scope.
Claims (5)
1. a kind of magnet structure that magnetic is combined in non-stop layer hole, which is characterized in that the centre bore and special tooling of the second lid (6)
(7) central axis clearance fit, between the snag axis of the second lid (6) upper surface and the slot of the 4th yoke (5) lower surface
Gap cooperation, the macropore and the first magnet steel (10) lower gap of the 4th yoke (5) upper end cooperate, on first magnet steel (10)
End connects with the lower end of third yoke (4) and compensates ring (11) clearance fit with first；The upper end of the third yoke (4) and the
Two magnet steel (13) lower end connects, and the second magnet steel (13) upper end connects with the lower end of the second yoke (3)；The third yoke
(4) lower end, the second magnet steel (13) and second compensation ring (12) clearance fit of upper end, the second yoke (3)；Second yoke
(3) upper end connects with third magnet steel (15) lower end, upper end, third magnet steel (15) lower end and the third of second yoke (3)
Compensate ring (14) clearance fit；The macropore clearance fit of third magnet steel (15) upper end and the first yoke (2) lower end, described
The slot of one yoke (2) upper surface and the snag axis clearance fit of the first lid (1) lower surface；4th yoke (5) lower end
Center is provided with conducting magnetic column (9).
2. the magnet structure that magnetic is combined in a kind of non-stop layer hole according to claim 1, which is characterized in that first yoke
Iron (2), the second yoke (3), third yoke (4), the 4th yoke (5) are cylindrical body；First magnet steel (10), the second magnet steel
(13), third magnet steel (15) is cylindrical body；First compensation ring (11), the second compensation ring (12), third compensation ring (14) are
Thin-wall circular tube structure.
3. the magnet structure that magnetic is combined in a kind of non-stop layer hole according to claim 1, which is characterized in that second lid
The both ends of body (6) are respectively arranged with positive electricity pole (8-1), negative electricity pole (8-2).
4. the magnet structure that magnetic is combined in a kind of non-stop layer hole according to claim 1, which is characterized in that first lid
The both ends of body (1) are provided with assembly technology hole (16).
5. the magnet structure that magnetic is combined in a kind of non-stop layer hole according to claim 1, which is characterized in that second lid
The center-hole diameter of body (6), the center-hole diameter of the 4th yoke (5), the root diameter of special tooling (7), conducting magnetic column (9)
Diameter is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822253992.5U CN209118865U (en) | 2018-12-29 | 2018-12-29 | The magnet structure that magnetic is combined in non-stop layer hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822253992.5U CN209118865U (en) | 2018-12-29 | 2018-12-29 | The magnet structure that magnetic is combined in non-stop layer hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209118865U true CN209118865U (en) | 2019-07-16 |
Family
ID=67208989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822253992.5U Active CN209118865U (en) | 2018-12-29 | 2018-12-29 | The magnet structure that magnetic is combined in non-stop layer hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209118865U (en) |
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2018
- 2018-12-29 CN CN201822253992.5U patent/CN209118865U/en active Active
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