CN107498494A - 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
- CN107498494A CN107498494A CN201710919150.6A CN201710919150A CN107498494A CN 107498494 A CN107498494 A CN 107498494A CN 201710919150 A CN201710919150 A CN 201710919150A CN 107498494 A CN107498494 A CN 107498494A
- Authority
- CN
- China
- Prior art keywords
- screwdriver
- permanent magnet
- pipe
- lever
- magnetic
- 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.)
- Withdrawn
Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 13
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 13
- 229910001172 neodymium magnet Inorganic materials 0.000 claims abstract description 23
- 230000003028 elevating effect Effects 0.000 claims abstract description 16
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 claims abstract description 11
- 239000007769 metal material Substances 0.000 claims abstract description 8
- 230000008676 import Effects 0.000 claims abstract description 5
- 210000003462 vein Anatomy 0.000 claims description 4
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 2
- 235000019994 cava Nutrition 0.000 abstract description 3
- 230000005415 magnetization Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ZDVYABSQRRRIOJ-UHFFFAOYSA-N boron;iron Chemical compound [Fe]#B ZDVYABSQRRRIOJ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/02—Screwdrivers operated by rotating the handle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/12—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using magnetic means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Drilling And Boring (AREA)
Abstract
The invention 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 ttom of pipe end face caves inward 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, a Nd-Fe-B permanent magnet is provided with inside the screwdriver pipe, the Nd-Fe-B permanent magnet is close to the inwall 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 chute is provided with the side wall of lever one, it is raised on the chute to be provided with a slide head, the slide head is connected by cross bar with the elevating lever.By the above-mentioned means, the present invention can be according to the magnetic of the size or real needs of screw neatly set screw knife cutter head.
Description
Technical field
The present invention relates to screwdriver field, 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, generally 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, certain magnetic is made it have, screw can be adsorbed, it is used more convenient and human nature
Change, but the magnetic of some screwdrivers is easily lost with the increase of usage time, also under certain situation, the magnetic mistake of screwdriver
Greatly, it is difficult to unload after adsorbing small-sized screw nail, or screwdriver magnetic is excessively weak, it is difficult to adsorb the big screw of weight.
The content of the invention
, can be according to spiral shell the present invention solves the technical problem of providing a kind of magnetic force controllable rare earth permanent magnet screwdriver
The magnetic of the size or real needs of adjusting screw neatly set screw knife cutter head.
In order to solve the above technical problems, one aspect of the present invention is：There is provided a kind of magnetic force controllable rare earth
Permanent magnetism screwdriver, including screwdriver body, the screwdriver body include lever and screwdriver pipe, and the screwdriver pipe upper end connects
Connect and import inside the lever, the screwdriver ttom of pipe end face is caved inward to form a groove, and the groove bottom inner portion is set
There is samarium cobalt permanent magnet body, 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 a neodymium iron boron is provided with inside the screwdriver pipe
Permanent magnet, the Nd-Fe-B permanent magnet are cylindrical structural, and the Nd-Fe-B permanent magnet is close to the inwall of the screwdriver pipe, institute
State Nd-Fe-B permanent magnet upper end and be connected with elevating lever, the elevating lever imports in the lever upwards, in the side wall of lever one
Vertical to be provided with a chute, projection is provided with a slide head on the chute, and the slide head passes through cross bar and the elevating lever connects
Connect.
In a preferred embodiment of the present invention, the magnetic energy product of the samarium cobalt permanent magnet body is between 10 ~ 20MGOe, the neodymium
The magnetic energy product of iron boron permanent magnet is between 27 ~ 50MGOe.
In a preferred embodiment of the present invention, the slip head surface is provided with anti-slip veins.
In a preferred embodiment of the present invention, the groove is hexagonal structure, and the tail end of the driver bit is also
Hexagonal structure.
The beneficial effects of the invention are as follows：Present invention improves over the magnetic function of conventional screw-driver in order so that the cutter head of screwdriver
Magnetic can be adjusted flexibly, to tackle different work requirements, its cardinal principle be a rare earth built in screwdriver forever
Magnetic structure, while the cutter head of screwdriver and body are magnetic metal material, easily by permanent magnet magnetization, by adjusting the permanent magnetism knot
The distance of structure body and cutter head adjusts its intensity size to cutter head magnetization phenomenon, you can the flexible magnetic for changing driver bit
Power size.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing, wherein：
Fig. 1 is the structural representation of the controllable preferred embodiment of rare earth permanent magnet screwdriver one of magnetic force of the present invention；
The mark of each part is as follows in accompanying drawing：1st, screwdriver body；2nd, lever；3rd, screwdriver pipe；4th, groove；5th, samarium cobalt permanent magnet
Body；6th, driver bit；7th, Nd-Fe-B permanent magnet；8th, elevating lever；9th, chute；10th, slide head；11st, cross bar.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
Referring to Fig. 1, the embodiment of the present invention includes：
A kind of controllable rare earth permanent magnet screwdriver of magnetic force, including screwdriver body 1, the screwdriver body 1 include lever 2 and spiral shell
Silk knife pipe 3, the upper end of screwdriver pipe 3 is connected, lead into inside the lever 2, and the bottom face of screwdriver pipe 3 caves inward
A groove 4 is formed, the bottom inner portion of groove 4 is provided with samarium cobalt permanent magnet body 5, and the groove 4, which is embedded in, is connected with driver bit 6,
The driver bit 6 is made up of magnetic metal material, the screwdriver pipe 3 and magnetic metal material, and the screwdriver pipe 3 is
Interior hollow circular cylindrical shape body, the inside of screwdriver pipe 3 are provided with a Nd-Fe-B permanent magnet 7, and the Nd-Fe-B permanent magnet 7 is
Cylindrical structural, the Nd-Fe-B permanent magnet 7 are close to the inwall of the screwdriver pipe 3, the upper end of Nd-Fe-B permanent magnet 7 connection
There is elevating lever 8, the elevating lever 8 is imported in the lever 2 upwards, and vertically a chute 9 is provided with the side wall of lever 2 one,
Raised on the chute 9 to be provided 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, the surface of slide head 10 is provided with anti-slip veins.
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 present invention includes lever 2 and screwdriver pipe 3 for screwdriver body 1, and the upper end of screwdriver pipe 3 connects simultaneously
Import inside lever 2, the bottom face of screwdriver pipe 3 caves inward to form a groove 4, and the bottom inner portion of groove 4 is provided with samarium cobalt permanent magnet body
5, the magnetic energy product of samarium cobalt permanent magnet body 5 has 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 up of magnetic metal material, the side of driver bit 6 one
Face is adsorbed in groove 4 by samarium cobalt permanent magnet body 5, can also at any time be extracted and be changed, on the other hand by the magnetic of permanent magnet
Change phenomenon, cutter head also has faint magnetic, can adsorb the screw of lighter weight in itself.
Screwdriver pipe 3 and magnetic metal material, screwdriver pipe 3 are interior hollow circular cylindrical shape body, inside screwdriver pipe 3
Provided 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
Inwall.
The upper end of Nd-Fe-B permanent magnet 7 is connected with elevating lever 8, and elevating lever 8 is imported in lever 2 upwards, is hung down in the side wall of lever 2 one
Straight to be provided with a chute 9, projection is provided with a slide head 10 on chute 9, and the surface of slide head 10 is provided with anti-slip veins, 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, and its magnetization phenomenon to cutter head is more obvious, and the magnetic of cutter head is stronger, otherwise magnetic
It is weaker.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, it is included within the scope of the present invention.
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 ttom of pipe end face to
Sunken inside forms a groove, and the groove bottom inner portion is 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, is provided with a Nd-Fe-B permanent magnet inside the screwdriver pipe, and the Nd-Fe-B permanent magnet is cylindrical structural, the neodymium iron
Boron permanent magnet is close to the inwall 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 side wall of lever one to be provided with a chute, projection is provided with a slide head on the chute,
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 are anti-slip veins.
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 |
|---|---|---|---|
| CN201710919150.6A CN107498494A (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 |
|---|---|---|---|
| CN201710919150.6A CN107498494A (en) | 2017-09-30 | 2017-09-30 | The controllable rare earth permanent magnet screwdriver of magnetic force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107498494A true CN107498494A (en) | 2017-12-22 |
Family
ID=60699363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710919150.6A Withdrawn CN107498494A (en) | 2017-09-30 | 2017-09-30 | The controllable rare earth permanent magnet screwdriver of magnetic force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107498494A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673401A (en) * | 2018-07-06 | 2018-10-19 | 无锡市稀土永磁厂 | Cutter head type screwdriver is replaced in the side filling of built-in permanent magnet |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0968793A2 (en) * | 1998-07-02 | 2000-01-05 | Heinz Oelpmann | Variable fastening and/or drilling tool |
| US20050098002A1 (en) * | 2003-08-18 | 2005-05-12 | Felo-Werkzeugfabrik Holland-Letz Gmbh | Magnetic screw-holding device |
| DE202005003135U1 (en) * | 2005-02-26 | 2005-05-12 | Horst Witte Entwicklungs- Und Vertriebs Kg | Ferromagnetic workpiece supporting and holding device, has upward rising cam in setting collar connected to movable magnets, and bearing cam pin supported in spindle |
| CN201346763Y (en) * | 2008-12-23 | 2009-11-18 | 上海市南汇区航头学校 | Rotary rod type multi-purpose magnetic screwdriver |
| CN201346758Y (en) * | 2008-12-25 | 2009-11-18 | 上海市南汇区航头学校 | Poke rod type multi-purpose magnetic screwdriver |
| CN201346762Y (en) * | 2008-12-19 | 2009-11-18 | 上海市南汇区航头学校 | Poke rod type magnetic screwdriver |
| CN104511873A (en) * | 2013-09-29 | 2015-04-15 | 中国石油天然气股份有限公司 | Magnetic controllable screwdriver |
| CN204487448U (en) * | 2015-03-26 | 2015-07-22 | 重庆大学 | A kind of screwdriver of controllable magnetic |
| CN207240054U (en) * | 2017-09-30 | 2018-04-17 | 无锡市稀土永磁厂 | The controllable rare earth permanent magnet screwdriver of magnetic force |
-
2017
- 2017-09-30 CN CN201710919150.6A patent/CN107498494A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0968793A2 (en) * | 1998-07-02 | 2000-01-05 | Heinz Oelpmann | Variable fastening and/or drilling tool |
| US20050098002A1 (en) * | 2003-08-18 | 2005-05-12 | Felo-Werkzeugfabrik Holland-Letz Gmbh | Magnetic screw-holding device |
| DE202005003135U1 (en) * | 2005-02-26 | 2005-05-12 | Horst Witte Entwicklungs- Und Vertriebs Kg | Ferromagnetic workpiece supporting and holding device, has upward rising cam in setting collar connected to movable magnets, and bearing cam pin supported in spindle |
| CN201346762Y (en) * | 2008-12-19 | 2009-11-18 | 上海市南汇区航头学校 | Poke rod type magnetic screwdriver |
| CN201346763Y (en) * | 2008-12-23 | 2009-11-18 | 上海市南汇区航头学校 | Rotary rod type multi-purpose magnetic screwdriver |
| CN201346758Y (en) * | 2008-12-25 | 2009-11-18 | 上海市南汇区航头学校 | Poke rod type multi-purpose magnetic screwdriver |
| CN104511873A (en) * | 2013-09-29 | 2015-04-15 | 中国石油天然气股份有限公司 | Magnetic controllable screwdriver |
| CN204487448U (en) * | 2015-03-26 | 2015-07-22 | 重庆大学 | A kind of screwdriver of controllable magnetic |
| CN207240054U (en) * | 2017-09-30 | 2018-04-17 | 无锡市稀土永磁厂 | The controllable rare earth permanent magnet screwdriver of magnetic force |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673401A (en) * | 2018-07-06 | 2018-10-19 | 无锡市稀土永磁厂 | Cutter head type screwdriver is replaced in the side filling of built-in permanent magnet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171222 |
|
| WW01 | Invention patent application withdrawn after publication |