CN202344468U - Screwdriver with magnetic steel - Google Patents
Screwdriver with magnetic steel Download PDFInfo
- Publication number
- CN202344468U CN202344468U CN2011204637504U CN201120463750U CN202344468U CN 202344468 U CN202344468 U CN 202344468U CN 2011204637504 U CN2011204637504 U CN 2011204637504U CN 201120463750 U CN201120463750 U CN 201120463750U CN 202344468 U CN202344468 U CN 202344468U
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- screwdriver
- sliding sleeve
- magnet steel
- screw
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Abstract
The utility model relates to a screwdriver with magnetic steel. The screwdriver can be prevented from falling down when a screw is tightened or released; and the shortcoming that a screw is difficult to hold or the screw drops down easily in the prior art when the screw is tightened or released by the screwdriver in turns is overcome. The screwdriver comprises a screwdriver rod and a hand shank, wherein a sliding sleeve is sleeved at the end of the screwdriver rod; the magnetic steel of which the middle is provided with a screwdriver head hole is embedded into the end of the sliding sleeve; a protection sleeve can slide along the screwdriver rod; the magnetic steel is arranged on the sliding sleeve; when the sliding sleeves moves, the magnetic steel is driven to move to the end of a screwdriver head or return to the root of the screwdriver head, so that two working states are formed; at the end of the screwdriver head, the magnetic steel can absorb the screw without stopping the connection sight of the screwdriver head and the screw, so that a user can observe the screwdriver head and the screw conveniently and stabilize the screw; and particularly, when the screw is tightened or released in a horizontal direction, the sliding sleeve is reset, and the conventional screwdriver without the magnetic steel is formed.
Description
Technical field
The utility model relates to a kind of screwdriver, can prevent the band magnet steel screwdriver that screwdriver drops during especially a kind of the turn of the screw.
Background technology
Traditional screwdriver self does not have magnetic, in the turn of the screw, all is hand steered a screw; The another hand uses screwdriver; For larger-size screw,, but go to hold up with hand for the less screw of size is just not too convenient with hand steered also more convenient stable.Especially under the short situation of screw, more can't be with the hand steered screw of holding.In the time of the turn of the screw in the horizontal direction, screw receives the influence of downward gravity, and operation accidentally just possibly make screw drop downwards; It is not too convenient to use, so people improve screwdriver, such as; The position, termination of screwdriver adopts magnetic material to process; Magnetic through this magnetic material produces inhales screw at position, screwdriver termination, and is kept upright, and has brought facility to use.But service time one is long, and position, screwdriver termination can produce broken cutting; And, can not produce big influence in general occasion, when still on electrical equipment such as circuit board, using in magnetic absorption; These are broken cuts and may drop to circuit board and cause short circuit; Influence the qualification rate of product, can bring unnecessary trouble, return easy to maintenance making troubles.Therefore this use with the screwdriver at position, magnetic termination is restricted.Therefore some operating personnel can carry two kinds of screwdrivers, and this has also caused inconvenience to operating personnel, therefore, comprehensive after, operating personnel still can select tradition not with the screwdriver of magnetic.
Patent Office of the People's Republic of China discloses a CN101259605A document on September 10th, 2008; Name is called the screwdriver that can be decided to be tapping screw; Comprise the handle and batch bar that fuse; Also comprise a locator that can be decided to be tapping screw, this locator slides on batch bar and can link to each other with the handle magnetic, and locator is suitable for overcoat that grips with hand and the positioning sleeve that a plurality of orders by size that are arranged in the overcoat slide over together by one and forms; Wherein the internal diameter of the external diameter of maximum positioning sleeve and overcoat is suitable, and the internal diameter of minimum positioning sleeve is suitable with the diameter of batch bar.But the screwdriver bit of this screwdriver contacts the back overcoat and entangles with screw, and the exposure level between can't confirming skids and also can not know, influences result of use.
Patent Office of the People's Republic of China discloses a CN102069462A document on May 25th, 2011; Name is called the controlled screwdriver of a kind of magnetic, comprises handle and batch bar, is provided with the power pack switch in the handle; Described batch of bar is provided with coil; This coil and power pack switch connect and compose the closed-loop path, and coil electricity makes screwdriver generation magnetic or makes the original magnetic demagnetization of screwdriver.Though can control the generation and the disappearance of batch bar magnetic, in use need energising, need energising before perhaps using, use cumbersome.
Summary of the invention
When the utility model has solved in the prior art the turn of the screw of screwdriver circle; Screw is not easy to help, and perhaps the defective that drops easily of screw provides a kind of band magnet steel screwdriver; Magnet steel is moved on to the screwdriver bit position be used for magnetic screw or fall back on batch bar portion and come demagnetization, prevent that screw from dropping.
The utility model also solved use in the prior art overcoat cause between screwdriver screwdriver bit and the screw be connected invisible; The defective that influence is used provides a kind of band magnet steel screwdriver, and contacting between screwdriver bit and the screw is visible; And can guarantee that screw is stable, easy to use.
The utility model has also solved needs energising to make screwdriver produce magnetic or demagnetization in the prior art, use defective not too easily, and a kind of band magnet steel screwdriver is provided, and moves through magnet steel and makes screwdriver screwdriver bit band magnetic and demagnetization, easy to use.
The utility model solves the technical scheme that its technical problem adopted: a kind of band magnet steel screwdriver, comprise batch bar and handle, and the end of batch bar is equipped with sliding sleeve, the magnet steel in band screwdriver bit hole in the middle of the end of sliding sleeve embeds and has.Sliding sleeve can be along axially the moving on batch bar of batch bar, and screwdriver bit is with after batch bar is connected, slides over to move on batch bar to form two states, and one is to move to criticize the bar outermost end, and another is to move to criticize the inner end of bar; Sliding sleeve moves to batch bar outermost end, and magnet steel is towards the end position of screwdriver bit, after screwdriver bit and screw join; Sliding sleeve can not stop connecting portion, and convenient the observation confirms whether screwdriver bit and screw contact well; The magnet steel of sliding sleeve end can hold screw simultaneously; Guarantee the stable of screw, when especially screw is in horizontal direction, can prevent that screw from dropping; Sliding sleeve moves to the inner end of batch bar, and when screwdriver bit and screw joined, magnet steel can not produce suction to screw away from screw, is conveniently forbidding charged occasion use.
As preferably; The end position of criticizing bar is provided with lug boss, and the end away from magnet steel on the sliding sleeve is a stop part, and the internal diameter of stop part is greater than the external diameter of the external diameter of criticizing bar less than lug boss; Be sliding part between the two ends of sliding sleeve, the internal diameter of sliding part is greater than the external diameter of lug boss.Lug boss cooperates with stop part, can prevent that sliding sleeve from slipping away from batch bar, prevents that sliding sleeve from dropping, and lug boss can be the convexity that batch bar self forms, and sliding sleeve is nested with on batch bar and is forming stop part with instrument in the end of sliding sleeve.
As preferably, the periphery of batch boom end position is provided with draw-in groove, and the lug boss of batch boom end is a snap ring, and snap ring is placed in the draw-in groove, and the external diameter of snap ring is greater than the external diameter of batch bar.This is a kind of scheme, and snap ring and draw-in groove match, and is convenient to batch bar processing and manufacturing.
As preferably, sliding sleeve is provided with the fluting of axial opening away from an end of magnet steel, and fluting extends to the stop part of sliding sleeve from the middle part of sliding sleeve.This end generation vary in diameter that fluting can make sliding sleeve is set, and convenient sliding sleeve is nested into criticized on the bar.
As preferably, the outer wall of an end at sliding sleeve magnet steel place is provided with the anti-skidding line of multiple tracks.Anti-skidding line makes things convenient for hand to pinch, and can not skid.
As preferably, the length that sliding sleeve exposes when the sliding length overgauge screwdriver bit of batch bar is installed on batch bar.This length of sliding sleeve, can guarantee that sliding sleeve moves after, magnet steel can move into place and join with screw.
As preferably, the inwall of sliding sleeve is provided with the location division near the end place that magnet steel is set, and the root section shape of the shape of location division endoporus and screwdriver bit matches, and the width of location division endoporus is less than the external diameter of batch bar.The shape of location division endoporus also can be circular, makes that sliding sleeve can also be around batch rod axis rotation except along batch bar moves; The location division mainly positions magnet steel, and it is excessive to prevent that magnet steel is embedded into the interior degree of depth of sliding sleeve.
As preferably, form one between the end of location division and sliding sleeve and embed the chamber, the degree of depth in this embedding chamber is less than or equal to the height of magnet steel, and the endoporus of location division is hexagon.
The beneficial effect of the utility model is: sheath can slide along batch bar, and sliding sleeve is provided with magnet steel, is being with magnet steel to move to the screwdriver bit end when sliding sleeve moves and perhaps is being returned to the screwdriver bit root; Form two kinds of duties, magnet steel is in the screwdriver bit end position, and magnet steel can hold screw; The sight line that is connected that also can not stop screwdriver bit and screw, the convenient observation also can be stablized screw; Especially in the horizontal direction in the time of the turn of the screw, sliding sleeve forms traditional not with the screwdriver of magnetic when replying.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is the partial sectional view of a kind of batch of bar of the utility model;
Fig. 3 is the end view of shown in Figure 2 batch of bar of the utility model;
Fig. 4 is the contour structures sketch map of a kind of sliding sleeve of the utility model;
Fig. 5 is the cutaway view of the utility model sliding sleeve shown in Figure 4;
Fig. 6 is a kind of use sketch map of the utility model;
Among the figure: 1, screwdriver bit, 2, sliding sleeve, 3, batch bar, 4, handle, 5, snap ring, 6, magnet steel, 7, the screwdriver bit hole, 8, draw-in groove, 9, anti-skidding line, 10, fluting, 11, stop part, 12, the location division, 13, embed the chamber, 14, screw.
The specific embodiment
Pass through specific embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment: a kind of band magnet steel screwdriver (referring to accompanying drawing 1) comprises batch bar 3 and the handle 4 that is fixedly connected with batch bar.The end of batch bar is provided with the screwdriver bit hole 7 (referring to accompanying drawing 2 accompanying drawings 3) of indent, and it is suitable that the screwdriver bit hole is the shape of hexagon and screwdriver bit 1.The end appearance of criticizing bar is provided with the draw-in groove 8 of a circle rectangle, and the draw-in groove place is equipped with the snap ring 5 of cross section for circular band opening.The end of criticizing bar is equipped with sliding sleeve 2, and sliding sleeve can move around along the axis direction of batch bar.One end of sliding sleeve is a diameter greater than batch bar external diameter and less than the stop part 11 (referring to accompanying drawing 4 accompanying drawings 5) of snap ring external diameter; The other end inwall of sliding sleeve is provided with location division 12; Form between this end of location division and sliding sleeve and embed chamber 13; Embed the chamber and be embedded in magnet steel 6, the height of magnet steel equals to embed the degree of depth in chamber.The root section shape of the shape of location division endoporus and screwdriver bit matches, and the location division endoporus is hexagon, and hexagonal width is less than the external diameter of batch bar.One end at sliding sleeve stop part place is provided with the fluting 10 of axial opening, and fluting extends to the stop part of sliding sleeve from the middle part of sliding sleeve.The outer wall of one end at sliding sleeve magnet steel place is provided with the protruding anti-skidding line 9 in three roads, the cross section semicircular in shape of anti-skidding line, and the root of fluting is in adjacent anti-skidding line place.Be sliding part between the two ends of sliding sleeve, the internal diameter of sliding part is greater than the external diameter of snap ring, the length that sliding sleeve exposes when the sliding length overgauge screwdriver bit of batch bar is installed on batch bar.
Above-described embodiment is a kind of preferred version of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (8)
1. a band magnet steel screwdriver comprises batch bar (3) and handle (4), it is characterized in that the end of batch bar is equipped with sliding sleeve (2), the magnet steel (6) in band screwdriver bit hole in the middle of the end of sliding sleeve embeds and has.
2. band magnet steel screwdriver according to claim 1; The end position that it is characterized in that batch bar is provided with lug boss; End away from magnet steel on the sliding sleeve is stop part (11); The internal diameter of stop part is sliding part between the two ends of sliding sleeve greater than the external diameter of the external diameter of criticizing bar less than lug boss, and the internal diameter of sliding part is greater than the external diameter of lug boss.
3. band magnet steel screwdriver according to claim 2 is characterized in that the periphery of batch boom end position is provided with draw-in groove (8), and the lug boss of batch boom end is snap ring (5), and snap ring is placed in the draw-in groove, and the external diameter of snap ring is greater than the external diameter of batch bar.
4. according to claim 1 or 2 or 3 described band magnet steel screwdrivers, it is characterized in that sliding sleeve is provided with the fluting (10) of axial opening away from an end of magnet steel, fluting extends to the stop part of sliding sleeve from the middle part of sliding sleeve.
5. according to claim 1 or 2 or 3 described band magnet steel screwdrivers, it is characterized in that the outer wall of an end at sliding sleeve magnet steel place is provided with the anti-skidding line of multiple tracks (9).
6. according to claim 1 or 2 or 3 described band magnet steel screwdrivers, it is characterized in that the length that sliding sleeve exposes when the sliding length overgauge screwdriver bit of criticizing bar is installed on batch bar.
7. according to claim 1 or 2 or 3 described band magnet steel screwdrivers; The inwall that it is characterized in that sliding sleeve is provided with location division (12) near the end place that magnet steel is set; The root section shape of the shape of location division endoporus and screwdriver bit matches, and the width of location division endoporus is less than the external diameter of batch bar.
8. band magnet steel screwdriver according to claim 7 is characterized in that forming one between the end of location division and sliding sleeve embeds chamber (13), and the degree of depth in this embedding chamber is less than or equal to the height of magnet steel, and the endoporus of location division is hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204637504U CN202344468U (en) | 2011-11-21 | 2011-11-21 | Screwdriver with magnetic steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204637504U CN202344468U (en) | 2011-11-21 | 2011-11-21 | Screwdriver with magnetic steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202344468U true CN202344468U (en) | 2012-07-25 |
Family
ID=46533497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204637504U Expired - Fee Related CN202344468U (en) | 2011-11-21 | 2011-11-21 | Screwdriver with magnetic steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202344468U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017024984A1 (en) * | 2015-08-12 | 2017-02-16 | 上海齐迈五金有限公司 | Multifunctional screwdriver |
| CN109531123A (en) * | 2018-12-13 | 2019-03-29 | 广东锐军智能设备有限公司 | A kind of desk-top filature |
| CN113427226A (en) * | 2021-06-29 | 2021-09-24 | 武汉凡谷信电子技术有限公司 | Rapid nail feeding mechanism capable of actively opening and yielding |
-
2011
- 2011-11-21 CN CN2011204637504U patent/CN202344468U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017024984A1 (en) * | 2015-08-12 | 2017-02-16 | 上海齐迈五金有限公司 | Multifunctional screwdriver |
| CN109531123A (en) * | 2018-12-13 | 2019-03-29 | 广东锐军智能设备有限公司 | A kind of desk-top filature |
| CN113427226A (en) * | 2021-06-29 | 2021-09-24 | 武汉凡谷信电子技术有限公司 | Rapid nail feeding mechanism capable of actively opening and yielding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20201121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |