CN207240054U - The controllable rare earth permanent magnet screwdriver of magnetic force - Google Patents
The controllable rare earth permanent magnet screwdriver of magnetic force Download PDFInfo
- Publication number
- CN207240054U CN207240054U CN201721300904.1U CN201721300904U CN207240054U CN 207240054 U CN207240054 U CN 207240054U CN 201721300904 U CN201721300904 U CN 201721300904U CN 207240054 U CN207240054 U CN 207240054U
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- CN
- China
- Prior art keywords
- screwdriver
- permanent magnet
- lever
- pipe
- groove
- 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
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Drilling And Boring (AREA)
Abstract
The utility model discloses a kind of controllable rare earth permanent magnet screwdriver of magnetic force,Including screwdriver body,The screwdriver body includes lever and screwdriver pipe,The screwdriver pipe upper end is connected, lead into inside the lever,The screwdriver tube bottom end face is recessed inwardly to form a groove,The groove bottom sets samarium cobalt permanent magnet body,The groove is embedded in equipped with driver bit,The driver bit and the screwdriver pipe are that magnetic metal material is made,The screwdriver pipe is internally provided with a Nd-Fe-B permanent magnet,The Nd-Fe-B permanent magnet is close to the inner wall of the screwdriver pipe,The Nd-Fe-B permanent magnet upper end is connected with elevating lever,The elevating lever imports in the lever upwards,Vertically a sliding slot is equipped with the lever one side wall,It is raised on the sliding slot to be equipped with a slide head,The slide head is connected by cross bar with the elevating lever.By the above-mentioned means, the utility model can be according to the magnetism of the size or specific requirements of screw neatly adjusting screw knife cutter head.
Description
Technical field
Screwdriver field is the utility model is related to, more particularly to a kind of controllable rare earth permanent magnet screwdriver of magnetic force.
Background technology
Screwdriver is a kind of for twisting screw to force its instrument in place, usually has a thin sphenocephaly, can insert
Enter in the line of rabbet joint or recess of screw cap, in order to facilitate contact of the screwdriver with screw, the head of present most of screwdrivers
Magnetic processing is employed, makes it have certain magnetism, screw can be adsorbed, makes its more convenient to use and human nature
Change, but the magnetism of some screwdrivers is easily lost with the increase of usage time, also has under certain situation, the magnetic mistake of screwdriver
Greatly, it is difficult to unload after adsorbing small-sized screw nail, or screwdriver magnetism is excessively weak, it is difficult to adsorb the big screw of weight.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of magnetic force controllable rare earth permanent magnet screwdriver, Neng Gougen
According to the magnetism of size or the specific requirements neatly adjusting screw knife cutter head of screw.
In order to solve the above technical problems, the technical solution that the utility model uses is：It is controllable to provide a kind of magnetic force
Rare earth permanent magnet screwdriver, including screwdriver body, the screwdriver body include lever and screwdriver pipe, on the screwdriver pipe
End is connected, lead into inside the lever, and the screwdriver tube bottom end face is recessed inwardly to form a groove, in the groove bottom
Portion is equipped with samarium cobalt permanent magnet body, and the groove, which is embedded in, is connected with driver bit, and the driver bit and the screwdriver pipe are
Magnetic metal material is made, and the screwdriver pipe is interior hollow circular cylindrical shape body, and the screwdriver pipe is internally provided with a neodymium
Iron boron permanent magnet, the Nd-Fe-B permanent magnet are cylindrical structural, and the Nd-Fe-B permanent magnet is close to the interior of the screwdriver pipe
Wall, the Nd-Fe-B permanent magnet upper end are connected with elevating lever, and the elevating lever imports in the lever upwards, the lever side
Vertical on wall to be equipped with a sliding slot, protrusion is equipped with a slide head on the sliding slot, and the slide head passes through cross bar and the lifting
Bar connects.
In one preferred embodiment of the utility model, the magnetic energy product of the samarium cobalt permanent magnet body is between 10 ~ 20MGOe, institute
The magnetic energy product of Nd-Fe-B permanent magnet is stated between 27 ~ 50MGOe.
In one preferred embodiment of the utility model, the slip head surface is equipped with anti-skid chequer.
In one preferred embodiment of the utility model, the groove is hexagonal structure, the tail end of the driver bit
And hexagonal structure.
The beneficial effects of the utility model are：The utility model improves the magnetic function of conventional screw-driver in order so that screw
The cutter head magnetism of knife can be adjusted flexibly, and to tackle different work requirements, its cardinal principle is one built in screwdriver
A rare earth permanent magnet structure, while the cutter head of screwdriver and tube body are magnetic metal material, easily by permanent magnet magnetization, by adjusting
The distance of the permanent-magnet structure body and cutter head adjusts its intensity size to cutter head magnetization phenomenon, you can flexibly changes screwdriver
The magnetic force size of cutter head.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the utility model
Example is applied, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Other attached drawings are obtained, wherein：
Fig. 1 is the structure diagram of controllable one preferred embodiment of rare earth permanent magnet screwdriver of the utility model magnetic force；
The mark of each component is as follows in attached drawing：1st, screwdriver body；2nd, lever；3rd, screwdriver pipe；4th, groove；5th, SmCo is forever
Magnet；6th, driver bit；7th, Nd-Fe-B permanent magnet；8th, elevating lever；9th, sliding slot；10th, slide head；11st, cross bar.
Embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment that those of ordinary skill in the art are obtained without making creative work, belongs to
The scope of the utility model protection.
Referring to Fig. 1, the utility model embodiment includes：
A kind of controllable rare earth permanent magnet screwdriver of magnetic force, including screwdriver body 1, the screwdriver body 1 include lever 2
With screwdriver pipe 3,3 upper end of screwdriver pipe is connected, lead into inside the lever 2, and 3 bottom of screwdriver pipe is inward-facing
Depression forms a groove 4, and 4 bottom inner portion of groove is equipped with samarium cobalt permanent magnet body 5, and the groove 4, which is embedded in, is connected with screwdriver
First 6, the driver bit 6 is made of magnetic metal material, the screwdriver pipe 3 and magnetic metal material, the screwdriver
Pipe 3 is interior hollow circular cylindrical shape body, and the screwdriver pipe 3 is internally provided with a Nd-Fe-B permanent magnet 7, the Nd-Fe-B permanent magnetic
Body 7 is cylindrical structural, and the Nd-Fe-B permanent magnet 7 is close to the inner wall of the screwdriver pipe 3, on the Nd-Fe-B permanent magnet 7
End is connected with elevating lever 8, and the elevating lever 8 imports in the lever 2 upwards, vertical in 2 one side wall of lever to be equipped with one
Sliding slot 9, raised on the sliding slot 9 to be equipped with a slide head 10, the slide head 10 is connected by cross bar 11 with the elevating lever 8.
In addition, the magnetic energy product of the samarium cobalt permanent magnet body 5 is between 10 ~ 20MGOe, the magnetic energy product of the Nd-Fe-B permanent magnet 7
Between 27 ~ 50MGOe.
In addition, 10 surface of slide head is equipped with anti-skid chequer.
In addition, the groove 4 is hexagonal structure, the tail end of the driver bit 6 is also hexagonal structure.
The operation principle of the utility model includes lever 2 and screwdriver pipe 3 for screwdriver body 1, and 3 upper end of screwdriver pipe connects
Connect and import inside lever 2,3 bottom face of screwdriver pipe is recessed inwardly to form a groove 4, and 4 bottom inner portion of groove is equipped with SmCo forever
Magnet 5, the magnetic energy product of samarium cobalt permanent magnet body 5 have the ability of weaker magnetizable metal between 10 ~ 20MGOe.
Groove 4, which is embedded in, is connected with driver bit 6, and driver bit 6 is made of magnetic metal material, 6 one side of driver bit
Face is adsorbed in groove 4 by samarium cobalt permanent magnet body 5, can also at any time be extracted and be replaced, and is on the other hand subject to the magnetic of permanent magnet
Change phenomenon, cutter head also has faint magnetism, can adsorb the screw of lighter weight in itself.
Screwdriver pipe 3 is also magnetic metal material, and screwdriver pipe 3 is interior hollow circular cylindrical shape body, inside screwdriver pipe 3
Equipped with a Nd-Fe-B permanent magnet 7, Nd-Fe-B permanent magnet 7 is cylindrical structural, and Nd-Fe-B permanent magnet 7 is close to screwdriver pipe 3
Inner wall.
7 upper end of Nd-Fe-B permanent magnet is connected with elevating lever 8, and elevating lever 8 is imported in lever 2 upwards, hangs down in 2 one side wall of lever
Straight to be equipped with a sliding slot 9, protrusion is equipped with a slide head 10 on sliding slot 9, and 10 surface of slide head is equipped with anti-skid chequer, and slide head 10 passes through
Cross bar 11 is connected with elevating lever 8, promotes i.e. controllable position of the Nd-Fe-B permanent magnet 7 in screwdriver pipe 3 of slide head 10 up and down,
Permanent magnet is closer to the driver bit 6 of lower end, its magnetization phenomenon to cutter head is more obvious, and the magnetism of cutter head is stronger, otherwise magnetic
It is weaker.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
The equivalent structure or equivalent flow shift made using the utility model description, is directly or indirectly used in other phases
The technical field of pass, is equally included in the patent within the scope of the utility model.
Claims (4)
1. a kind of controllable rare earth permanent magnet screwdriver of magnetic force, including screwdriver body, it is characterised in that the screwdriver body bag
Include lever and screwdriver pipe, the screwdriver pipe upper end is connected, lead into inside the lever, the screwdriver tube bottom end face to
Sunken inside forms a groove, and the groove bottom is internally provided with samarium cobalt permanent magnet body, and the groove, which is embedded in, is connected with driver bit,
The driver bit and the screwdriver pipe are that magnetic metal material is made, and the screwdriver pipe is interior hollow circular cylindrical shape
Body, the screwdriver pipe are internally provided with a Nd-Fe-B permanent magnet, and the Nd-Fe-B permanent magnet is cylindrical structural, the neodymium iron
Boron permanent magnet is close to the inner wall of the screwdriver pipe, and the Nd-Fe-B permanent magnet upper end is connected with elevating lever, the elevating lever to
Upper to import in the lever, vertical in the lever one side wall to be equipped with a sliding slot, protrusion is equipped with a slide head on the sliding slot,
The slide head is connected by cross bar with the elevating lever.
2. the controllable rare earth permanent magnet screwdriver of magnetic force according to claim 1, it is characterised in that the samarium cobalt permanent magnet body
Magnetic energy product is between 10 ~ 20MGOe, and the magnetic energy product of the Nd-Fe-B permanent magnet is between 27 ~ 50MGOe.
3. the controllable rare earth permanent magnet screwdriver of magnetic force according to claim 1, it is characterised in that the slip head surface is set
There is anti-skid chequer.
4. the controllable rare earth permanent magnet screwdriver of magnetic force according to claim 1, it is characterised in that the groove is hexagon
Structure, the tail end of the driver bit is also hexagonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721300904.1U CN207240054U (en) | 2017-09-30 | 2017-09-30 | The controllable rare earth permanent magnet screwdriver of magnetic force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721300904.1U CN207240054U (en) | 2017-09-30 | 2017-09-30 | The controllable rare earth permanent magnet screwdriver of magnetic force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207240054U true CN207240054U (en) | 2018-04-17 |
Family
ID=61889918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721300904.1U Expired - Fee Related CN207240054U (en) | 2017-09-30 | 2017-09-30 | The controllable rare earth permanent magnet screwdriver of magnetic force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207240054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498494A (en) * | 2017-09-30 | 2017-12-22 | 无锡市稀土永磁厂 | The controllable rare earth permanent magnet screwdriver of magnetic force |
-
2017
- 2017-09-30 CN CN201721300904.1U patent/CN207240054U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498494A (en) * | 2017-09-30 | 2017-12-22 | 无锡市稀土永磁厂 | The controllable rare earth permanent magnet screwdriver of magnetic force |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20180930 |