CN208289783U - magnetic screwdriver - Google Patents
magnetic screwdriver Download PDFInfo
- Publication number
- CN208289783U CN208289783U CN201820868585.2U CN201820868585U CN208289783U CN 208289783 U CN208289783 U CN 208289783U CN 201820868585 U CN201820868585 U CN 201820868585U CN 208289783 U CN208289783 U CN 208289783U
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- CN
- China
- Prior art keywords
- annulus
- screwdriver
- iron boron
- magnet ring
- neodymium iron
- Prior art date
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Abstract
The utility model discloses a kind of magnetic screwdrivers, including, screwdriver ontology, the sheath of steel, the strong magnet ring of neodymium iron boron；Screwdriver ontology includes screwdriver tip head, screwdriver rod；Sheath includes the first annulus and the second annulus, and the first annulus is coaxially connected with the second annulus and outer diameter is equal；The internal diameter of first annulus is greater than the diameter of screwdriver rod, and the annulus wall surface of the first annulus is equipped with tapped through hole, is fitted with set screw in the tapped through hole；Second internal radius is greater than the first internal radius；The strong magnet ring outer diameter of neodymium iron boron and the cooperation of the second internal radius, internal diameter are greater than the diameter of screwdriver rod, and the strong magnet ring of the neodymium iron boron is coaxial with the second annulus and nested is mounted in second annulus.This magnetic screwdriver can adsorb biggish screw or gasket, effectively increase working efficiency.
Description
Technical field
The utility model relates to a kind of screwdrivers, and in particular to a kind of magnetic screwdriver.
Background technique
In order to facilitate the installation of and lesser screw is dismantled, the pointed nose of screwdriver mostly through magnetization treatment, make in magnetic force by screw
Screwdriver tip head is adsorbed under, operation screwdriver can easily install or remove screw.And some screws are needed because assembling,
Equipped with gasket, common magnetic screwdriver magnetic force is smaller, can only adsorb primary screw, cannot adsorb gasket, it is therefore desirable to hand
Dynamic installation or removal gasket, process are relatively complicated；Especially when screw is mounted in counterbore, gasket is more difficult to place or take
Out, working efficiency is affected.And the strong magnetic material of neodymium iron boron with strong magnetic force is frangible, is not suitable for that screwdriver is made；If directly adopting
With ndfeb magnet adsorption gasket, the process for not only increasing disassembly screw, and when counterbore is steel product, neodymium-iron-boron
Iron is easily absorbing the taking-up that gasket is influenced in counterbore inner wall.
Summary of the invention
The purpose of the utility model is to provide a kind of magnetic screwdriver, the magnetic screwdriver can adsorb biggish screw or
Gasket effectively increases working efficiency.
To achieve the above object, the utility model use magnetic screwdriver, including, screwdriver ontology, steel sheath,
The strong magnet ring of neodymium iron boron；Screwdriver ontology includes screwdriver tip head, screwdriver rod；The sheath includes the first annulus and the second circle
Ring, the first annulus is coaxially connected with the second annulus and outer diameter is equal；
The internal diameter of first annulus is greater than the diameter of the screwdriver rod, and the annulus wall surface of the first annulus is equipped with screw thread
Through-hole is fitted with set screw in the tapped through hole；
Second internal radius is greater than the first internal radius；The strong magnet ring outer diameter of neodymium iron boron is matched with the second internal radius
Close, internal diameter be greater than the screwdriver rod diameter, the strong magnet ring of the neodymium iron boron it is coaxial with the second annulus and it is nested be mounted on this second
In annulus.
Further, the internal diameter of the strong magnet ring of the neodymium iron boron is not less than the internal diameter of first annulus.
Preferably, the height upward no more than second annulus axle of the height on the strong ring axial magnetic of the neodymium iron boron.
Preferably, the sheath is an integral molding structure.
Preferably, first annulus is equipped with chamfering away from the side outer ring edge of second annulus.
The pointed nose of screw can be cross screw, or minus screw.In use, sheath is sleeved on spiral shell
Silk point of a knife head makes pointed nose expose the outer certain distance of the second annulus, and the part of the exposing is enable to be easily inserted screw cap
In groove, i.e., cooperate with screw cap；Then the set screw on the first annulus is tightened, sheath is fixed on screwdriver rod
On.Since sheath is made of Steel material, the strong magnet ring of neodymium iron boron can be blocked to the part magnetic force on other directions, prevent neodymium iron
After the strong magnet ring of boron protrudes into counterbore, it is adsorbed on counterbore inner wall, is not easily taken out, is also possible to prevent the outer ring absorption iron of the strong magnet ring of neodymium iron boron
The sundries such as bits；When needing to tighten or dismantle screw and gasket, by screw cap and screwdriver tip head fits, gasket is strong in neodymium iron boron
It under the magneticaction of magnet ring, is tightly adsorbed on screw cap, operates screwdriver, tighten or dismantle screw.This magnetic screw
Knife solves the problems, such as that some angles are difficult to install screw and gasket, is particularly suitable for needing to install screw and pad in small space
The case where piece, effectively increases working efficiency.
Detailed description of the invention
Fig. 1 is the decomposing state flowering structure schematic diagram of the utility model；
Fig. 2 is structural schematic diagram after Fig. 1 assembling；
In figure: 1. screws, 11. screw caps, 2. gaskets, the strong magnet ring of 3. neodymium iron borons, 4. sheaths, 41. first annulus, 411. spiral shells
Line through-hole, 412. set screws, 42. second annulus, 5. screwdriver ontologies, 51. screwdriver tip heads, 52. screwdriver rods.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1 to Figure 2, magnetic screwdriver, including, the strong magnet ring 3 of sheath 4, neodymium iron boron of screwdriver ontology 5, steel；
Screwdriver ontology 5 includes screwdriver tip head 51, screwdriver rod 52；Sheath 4 include the first annulus 41 and the second annulus 42, first
Annulus 41 is equal with the coaxial connected and outer diameter of the second annulus 42；The internal diameter of first annulus 41 is greater than the diameter of screwdriver rod 52, the
The annulus wall surface of one annulus 41 is equipped with tapped through hole 411, is fitted with set screw 412 in the tapped through hole 411；Second
42 internal diameter of annulus is greater than 41 internal diameter of the first annulus, can form boss in 4 inner wall of sheath；Strong 3 outer diameter of magnet ring of neodymium iron boron and the second circle
The cooperation of 42 internal diameter of ring, internal diameter are greater than the diameter of screwdriver rod 52, and the strong magnet ring 3 of the neodymium iron boron and the second annulus 42 are coaxial and nested
It is mounted in second annulus 42, above-mentioned boss can play position-limiting action to the strong magnet ring of neodymium iron boron 3.
Screwdriver tip head 51 can be Philips-type screwdriver, or slotted point screwdriver.In use, such as Fig. 2 institute
Show, sheath 4 is sleeved on screwdriver tip head 51, so that pointed nose is exposed the outer certain distance of the second annulus 42, and make the exposing
Part can be easily inserted in the groove of screw cap 11, i.e., cooperate with screw cap 11；Then stopping on the first annulus 41 is tightened
Screw 412 is paid, sheath 4 is fixed on screwdriver rod 52；Sheath 4 is sleeved on screwdriver rod 52 in order to prevent, generates shaking,
In actual design, the internal diameter of the first annulus 41 is preferably more than the diameter of screwdriver rod 52, and the first annulus 41 is made to be sleeved on spiral shell
On silk knife bar 52, set screw 412 is unlikely to shaking after tightening.
Since sheath 4 is made of Steel material, the strong magnet ring 3 of neodymium iron boron can be blocked to the part magnetic force on other directions,
After preventing the strong magnet ring 3 of neodymium iron boron from protruding into counterbore, it is adsorbed on counterbore inner wall, is not easily taken out, is also possible to prevent the strong magnet ring 3 of neodymium iron boron
Adsorb the sundries such as iron filings in outer ring.
When needing to tighten or dismantle screw 1 and gasket 2, screw cap 11 and screwdriver tip head 51 are cooperated, gasket 2 is in neodymium
It under the magneticaction of the strong magnet ring 3 of iron boron, is tightly adsorbed on screw cap 11, operates screwdriver, tighten or dismantle screw 1.
This magnetic screwdriver solves the problems, such as that some angles are difficult to install screw 1 and gasket 2, is particularly suitable for needing in small space
The case where installing screw 1 and gasket 2, effectively increases working efficiency.
It is influenced to protect the strong magnet ring 3 of neodymium iron boron not by screwdriver rod 52 or screwdriver tip head 51, further, such as
Shown in Fig. 1 and Fig. 2, the internal diameter of the strong magnet ring 3 of neodymium iron boron is not less than the internal diameter of the first annulus 41；When sheath 4 is sleeved on screwdriver
Afterwards, the inner wall of the strong magnet ring 3 of neodymium iron boron is not higher than the inner wall of the first annulus 41, can not be influenced by screwdriver.
Since the strong magnet ring 3 of neodymium iron boron is frangible, in order to protect the strong magnet ring 3 of neodymium iron boron, it is preferable that as shown in Figures 1 and 2, neodymium
Height in strong 3 axial direction of magnet ring of iron boron is no more than the height in 42 axial direction of the second annulus, i.e., the strong magnet ring 3 of neodymium iron boron is not in the axial direction
Sheath 4 can be protruded, prevents from colliding with.
In order to which processing and fabricating is simple, it is preferable that sheath 4 is an integral molding structure.
The first annulus 41 hurts user away from the side outer ring edge of the second annulus 42 in order to prevent, it is preferable that such as
Shown in Fig. 1 and Fig. 2, which is equipped with chamfering.
Claims (5)
1. magnetic screwdriver, comprising: screwdriver ontology (5), screwdriver ontology (5) include screwdriver tip head (51), screwdriver
Bar (52)；It is characterized by further comprising: the sheath (4) of steel, the strong magnet ring of neodymium iron boron (3)；
The sheath (4) includes the first annulus (41) and the second annulus (42), and the first annulus (41) and the second annulus (42) are coaxial
It is connected and outer diameter is equal；
The internal diameter of first annulus (41) is greater than the diameter of the screwdriver rod (52), on the annulus wall surface of the first annulus (41)
Equipped with tapped through hole (411), set screw (412) are fitted in the tapped through hole (411)；
Second annulus (42) internal diameter is greater than the first annulus (41) internal diameter；The strong magnet ring of neodymium iron boron (3) outer diameter and the second circle
Ring (42) internal diameter cooperates, internal diameter is greater than the diameter of the screwdriver rod (52), the strong magnet ring of the neodymium iron boron (3) and the second annulus (42)
Coaxially and nesting is mounted in second annulus (42).
2. magnetic screwdriver according to claim 1, it is characterised in that: the internal diameter of the strong magnet ring of neodymium iron boron (3) is not small
In the internal diameter of first annulus (41).
3. magnetic screwdriver according to claim 1, it is characterised in that: the height in the strong magnet ring of neodymium iron boron (3) axial direction
Degree is no more than the height in the second annulus (42) axial direction.
4. according to claim 1 to magnetic screwdriver described in 3 any one, it is characterised in that: the sheath (4) is integrated into
Type structure.
5. according to claim 1 to magnetic screwdriver described in 3 any one, it is characterised in that: the first annulus (41) back
Side outer ring edge from second annulus (42) is equipped with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820868585.2U CN208289783U (en) | 2018-06-06 | 2018-06-06 | magnetic screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820868585.2U CN208289783U (en) | 2018-06-06 | 2018-06-06 | magnetic screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208289783U true CN208289783U (en) | 2018-12-28 |
Family
ID=64722559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820868585.2U Active CN208289783U (en) | 2018-06-06 | 2018-06-06 | magnetic screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208289783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043201A (en) * | 2021-03-31 | 2021-06-29 | 国网北京市电力公司 | Screwdriver with function of eliminating interference lines and method |
-
2018
- 2018-06-06 CN CN201820868585.2U patent/CN208289783U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043201A (en) * | 2021-03-31 | 2021-06-29 | 国网北京市电力公司 | Screwdriver with function of eliminating interference lines and method |
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