CN104526630A - Quick release level and screwdriver - Google Patents
Quick release level and screwdriver Download PDFInfo
- Publication number
- CN104526630A CN104526630A CN201410836769.7A CN201410836769A CN104526630A CN 104526630 A CN104526630 A CN 104526630A CN 201410836769 A CN201410836769 A CN 201410836769A CN 104526630 A CN104526630 A CN 104526630A
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- bar
- axis hole
- loop bar
- cutter head
- 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.)
- Granted
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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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
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- 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
-
- 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
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Knives (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The embodiment of the invention discloses a quick release level which comprises a connecting loop bar. One end of the connecting hoop bar is provided with a loop bar connection part used for installing a knife handle, the other end of the connecting loop bar is provided with a loop bar axial hole used for installing a knife head, the loop bar axial hole is provided with a knife head installation part and a magnet component installation part, a magnet component is installed in the magnet component installation part, the fixed end of the magnet component is tightly expanded in the magnet component installation part, the free end of the magnet component can slide in the magnet component installation part, and the free end of the magnet component is provided with a magnet to adsorp the knife head inserted into the knife head installation part. The embodiment of the invention further discloses a screwdriver, the screwdriver comprises the knife handle, a knife bar and the knife head, and the knife bar uses the above quick release bar. According to the quick release level and the screwdriver, the magnet at the free end is used for adsorping the fixed knife head, therefore, the quicker replacement of the knife head is facilitated.
Description
Technical field
The present invention relates to the manual or electric tool screwing or unclamp screw, nut class part, particularly relate to the fast de-bar and screwdriver that can carry out fast assembling-disassembling.
Background technology
For screw, nut class part, screwdriver usually can be used to carry out dismounting.Screwdriver mainly comprises the parts such as handle of a knife, knife bar and cutter head, handle of a knife and the knife bar of usual products are fixed together usually, need the screwdriver changing dimension when dismounting different size part, this not only uses convenient not, and the instrument of too increasing adds expense.
Developed the screwdriver of interchangeable bit in prior art, the cutter head of different size is configured to identical joint, and the knife bar interface that then relative set is supporting is with erection joint.Usually, the relevant position of joint and interface is provided with bayonet lock: both locked with bayonet lock when joint and interface docking put in place, can prevent joint from deviating from from interface like this; When changing cutter head, cutter head then can be extracted by the bayonet lock taken out between joint and interface from knife bar.Because needs operate bayonet lock specially, this screwdriver still dislikes convenient not when changing cutter head, is therefore necessary to be improved it, effectively to improve the replacing efficiency of cutter head.
Summary of the invention
For the defect that prior art exists, the object of the embodiment of the present invention is to provide a kind of structure de-bar and screwdriver simply soon, can change cutter head easily.
For solving above technical problem, the embodiment of the present invention provides a kind of fast de-bar, and comprise connection loop bar, the one end connecting loop bar arranges the loop bar connecting portion installing handle of a knife, the other end connecting loop bar arranges the loop bar axis hole installing cutter head, and loop bar axis hole is provided with cutter head installation portion; Loop bar axis hole is also provided with cutter head installation portion, in magnet assembly installation portion, magnet assembly is installed, the stiff end swelling of magnet assembly is in magnet assembly installation portion, the free end of magnet assembly can slide in magnet assembly installation portion, and the free end of magnet assembly installs magnet to adsorb the cutter head inserted in cutter head installation portion.
Magnet assembly comprises the magnet cover in T-shaped cross section, swelling spring and expansion element, magnet is installed on the magnet cover endoporus of magnet cover bigger diameter end, the miner diameter end of magnet cover embeds one end of swelling spring, expansion element embeds the other end of swelling spring, to make swelling camber of spring and swelling magnet assembly installation portion.
Expansion element comprises the expandable nail with tapered portion and the expansion loop with inflationary gap, expandable nail is loaded in swelling spring, and the miner diameter end of expandable nail is towards the expansion loop endoporus of expansion loop, when expandable nail enters expansion loop endoporus, caused swelling camber of spring by expansion loop.
Comprise locking releasing unit, locking releasing unit is installed on and connects one end that loop bar has loop bar axis hole, to lock/to discharge the cutter head needing dismounting.
Locking releasing unit comprises ball and sliding sleeve, ball is loaded in the loop bar locating hole of connection loop bar, sliding sleeve is installed on and connects on loop bar and can connect slippage on loop bar, and sliding sleeve slippage enters cutter head draw-in groove to making ball during locked position, and sliding sleeve slippage shifts out cutter head draw-in groove to making ball during off-position.
Sliding sleeve is provided with sliding sleeve axis hole, sliding sleeve axis hole is provided with sliding sleeve axis hole taper expansion mouth and sliding sleeve axis hole cylindricality minor diameter part and axis hole cylindricality large-diameter portion, in the stroke range of axis hole cylindricality large-diameter portion, sliding sleeve limit element is installed, sliding sleeve axis hole cylindricality minor diameter part makes ball enter cutter head draw-in groove when being positioned at loop bar locating hole, makes ball shift out cutter head draw-in groove when sliding sleeve axis hole taper expansion mouth is positioned at loop bar locating hole.
Sliding sleeve limit element is be installed on the jump ring in the connecting rod draw-in groove connecting loop bar, jump ring between the sliding sleeve axis hole large-diameter portion inner face stopping sliding sleeve axis hole and sliding sleeve axis hole large-diameter portion outer face, with and limit the stroke range of axis hole cylindricality large-diameter portion.
Connect loop bar sheathed back-moving spring between jump ring and sliding sleeve axis hole large-diameter portion inner face.
Sliding sleeve has one end of axis hole cylindricality large-diameter portion to arrange sliding sleeve retainer ring, sliding sleeve retainer ring swelling sliding sleeve, deviates to limit sliding sleeve by jump ring.
On this basis, the embodiment of the present invention also provides a kind of screwdriver, comprises handle of a knife, knife bar and cutter head, and knife bar adopts above fast de-bar.
Compared with prior art, the embodiment of the present invention arranges cutter head installation portion in the axis hole connecting loop bar, wherein installs the magnet assembly that one end is fixed, one end is free to slide, adsorbs fixing cutter head, can improve the replacing efficiency of cutter head by the magnet of free end.Especially, the embodiment of the present invention adopts the locking releasing unit comprising sliding sleeve and ball to lock/discharge the cutter head needing dismounting, and during installation, cutter head being inserted loop bar axis hole can be fixed, and promoting sliding sleeve during dismounting can take out cutter head, operates very convenient.
Accompanying drawing explanation
Fig. 1 is the exploded view that the embodiment of the present invention takes off bar soon;
Fig. 2 is the axial section that the embodiment of the present invention takes off sliding sleeve in bar soon;
Fig. 3 is that the embodiment of the present invention takes off the axial section connecting loop bar in bar soon;
Fig. 4 is the assembling schematic diagram that the embodiment of the present invention takes off bar soon.
In Fig. 1-Fig. 4, appended with drawings mark is as follows:
1, loop bar is connected, 1-1, loop bar axis hole, 1-1-1, cutter head installation portion, 1-1-2, magnet assembly installation portion, 1-2, loop bar locating hole, 1-3, loop bar draw-in groove, 1-4, loop bar connecting portion;
2, jump ring;
3, back-moving spring;
4, magnet cover, 4-1, magnet cover endoporus;
5, magnet;
6, swelling spring;
7, expandable nail;
8, expansion loop, 8-1, expansion loop endoporus, 8-2, inflationary gap;
9, ball;
10, sliding sleeve, 10-1, sliding sleeve axis hole, 10-1-1, sliding sleeve axis hole taper expansion mouth, 10-1-2, sliding sleeve axis hole cylindricality minor diameter part, 10-1-3, sliding sleeve axis hole large-diameter portion inner face, 10-1-4, sliding sleeve axis hole cylindricality large-diameter portion, 10-1-5, sliding sleeve axis hole large-diameter portion outer face;
11, sliding sleeve retainer ring;
12, cutter head, 12-1, cutter head draw-in groove.
Detailed description of the invention
In order to understand know-why and the course of work of the embodiment of the present invention better, describe the present invention further below in conjunction with drawings and the specific embodiments.
Simultaneously see Fig. 1-Fig. 4, wherein: Fig. 1 is the exploded view that the embodiment of the present invention takes off bar soon; Fig. 2 is the axial section that the embodiment of the present invention takes off sliding sleeve in bar soon; Fig. 3 is that the embodiment of the present invention takes off the axial section connecting loop bar in bar soon; Fig. 4 is the assembling schematic diagram that the embodiment of the present invention takes off bar soon.The embodiment of the present invention shown in Fig. 1-Fig. 4 soon de-bar is made up of parts such as connecting loop bar 1, jump ring 2, back-moving spring 3, magnet cover 4, magnet 5, swelling spring 6, expandable nail 7, expansion loop 8, ball 9, sliding sleeve 10, sliding sleeve retainer ring 11, cutter head 11 is wherein fixed by magnet assembly and locking releasing unit, below in conjunction with Fig. 1-Fig. 4, describe in further detail.
As Figure 1-Figure 4, this takes off bar soon and comprises connection loop bar 1, and one end of this connection loop bar 1 arranges the loop bar connecting portion 1-4 of six prisms or other shape, can be used for installing handle of a knife (scheming not shown); The other end of this connection loop bar 1 arranges the loop bar axis hole 1-1 installing cutter head 12, and this loop bar axis hole 1-1 is made up of cutter head installation portion 1-1-1 and magnet assembly installation portion 1-1-2, wherein: the blank area inserting cutter head 12 in cutter head installation portion 1-1-1; In magnet assembly installation portion 1-1-2, magnet assembly is installed, stiff end swelling 1-1-2 in magnet assembly installation portion of this magnet assembly, the free end of this magnet assembly can slide in magnet assembly installation portion 1-1-2, the free end of magnet assembly installs magnet 5, this magnet 5 is magnet steel or magnet, can adsorb the cutter head 12 inserted in cutter head installation portion 1-1-1.
In the embodiment shown in Fig. 1-Fig. 4, in the loop bar axis hole 1-1 of connection loop bar 1, cutter head installation portion 1-1-2 is set, magnet assembly one end is fixed in cutter head installation portion 1-1-2, the other end can be free to slide in cutter head installation portion 1-1-2, the magnet 5 of such free end, it can adsorb fixing cutter head 12 easily, for improving the replacing efficiency of cutter head 12 advantageously.
For the embodiment of the present invention, magnet assembly can carry out dismounting easily.As Figure 1-Figure 4, magnet assembly comprises magnet 5, have the magnet in T-shaped cross section cover 4, roughly become the elements such as the swelling spring 6 of mesa-shaped body, expandable nail 7 and expansion loop 8: magnet 5 is installed on magnet and overlaps the magnet cover endoporus 4-1 that the brass of 4 bigger diameter ends or other high-abrasive material make, the miner diameter end of magnet cover 4 embeds the less one end of swelling spring 6 outline, the expansion element be made up of expandable nail 7 and expansion loop 8 then embeds the larger other end of swelling spring 6 outline, is out of shape and swelling magnet assembly installation portion 1-1-2 to make swelling spring 6.Like this, the stiff end of magnet assembly is loaded in installation portion 1-1-2, and the magnet 5 of free end then can be free to slide in magnet assembly installation portion 1-1-2.This magnet assembly structure is not only convenient to install, remove, and is also conducive to, by swelling spring 6, magnet 5 is pressed to cutter head 12, thus strengthens absorption fixed effect.
In the present embodiment, expansion element have employed the combining structure of expandable nail 7+ expansion loop 8: expandable nail 7 has tapered portion, and its miner diameter end is less than expansion loop endoporus 8-1, and bigger diameter end is greater than expansion loop endoporus 8-1; Expansion loop 8 has expansion loop endoporus 8-1 and inflationary gap 8-2, so that at the rear distending of loading expandable nail 7.Expandable nail 7 is loaded in swelling spring 6, the miner diameter end of this expandable nail 7 is installed towards the direction of the expansion loop endoporus 8-1 of expansion loop 8, when expandable nail 7 is stressed and make expansion loop 8 be out of shape when entering expansion loop endoporus 8-1, and the distortion of expansion loop 8 can cause swelling spring 6 to be out of shape further, swelling spring 6 swelling is in magnet assembly installation portion 1-1-2 thus, realizes the object that magnet assembly location is fixing.
Be understandable that, magnet assembly also can adopt other version, such as: magnet cover 4 and magnet 5 are one overall; Expandable nail 7 is not limited to have tapered portion; Expansion loop 8 is elastomer; Etc..These simple versions are replaced, and its operation principle is identical with the embodiment of the present invention, repeats no more.
In the embodiment of the present invention, in order to fix cutter head 12 better, be provided with locking releasing unit further.This locking releasing unit is installed on and connects loop bar 1 and have one end of loop bar axis hole 1-1, to lock/discharge the cutter head 12 needing dismounting, below to lock releasing unit one preferably version be described.
As Figure 1-Figure 4, locking releasing unit comprises the sliding sleeve 10 that locking steel or other hard material ball 9, aluminium matter or other material made are made, wherein: ball 9 is loaded in the loop bar locating hole 1-2 of connection loop bar 1, sliding sleeve 10 is set in and connects on loop bar 1 and can connect slippage on loop bar 1: when sliding sleeve 10 slippage is to locked position, make ball 9 enter cutter head draw-in groove 12-1; When sliding sleeve 10 slippage is to off-position, ball 9 is made to shift out cutter head draw-in groove 12-1.Like this, by operating this sliding sleeve 10, ball 9 can be made to enter or remove cutter head draw-in groove 12-1, realize locking or the release of cutter head 12 thus.
As Figure 1-Figure 4, sliding sleeve 10 is provided with sliding sleeve axis hole 10-1, this sliding sleeve axis hole 10-1 is provided with sliding sleeve axis hole taper expansion mouth 10-1-1, sliding sleeve axis hole cylindricality minor diameter part 10-1-2 and axis hole cylindricality large-diameter portion 10-1-4, three parts connect successively, wherein: install sliding sleeve limit element in the stroke range of axis hole cylindricality large-diameter portion 10-1-4; Sliding sleeve axis hole cylindricality minor diameter part 10-1-2 makes ball 9 enter cutter head draw-in groove 12-1 when being positioned at loop bar locating hole 1-1-1; Sliding sleeve axis hole taper expansion mouth 10-1-1 makes ball 9 shift out cutter head draw-in groove 12-1 when being positioned at loop bar locating hole 1-1-1, the ball 9 shifting out cutter head draw-in groove 12-1 is blocked by the shaft shoulder of sliding sleeve axis hole taper expansion mouth 10-1-1 opening portion, and thus ball 9 can not depart from sliding sleeve axis hole taper expansion mouth 10-1-1.
In the present embodiment, sliding sleeve 10 need be undertaken spacing by sliding sleeve limit element when connecting and loop bar 1 sliding, to prevent both from throwing off.This sliding sleeve limit element can adopt various structures form, a kind of example is wherein: sliding sleeve limit element is be installed on the jump ring 2 in the connecting rod draw-in groove 1-3 connecting loop bar 1, this jump ring 2 is between the sliding sleeve axis hole large-diameter portion inner face 10-1-3 and sliding sleeve axis hole large-diameter portion outer face 10-1-5 of sliding sleeve axis hole 10-1, this sliding sleeve axis hole large-diameter portion inner face 10-1-3 forms first of sliding sleeve 10 and slides limiting section, and the sliding sleeve fixed cover 11 being arranged on 10-1-5 position, sliding sleeve axis hole large-diameter portion outer face forms second of sliding sleeve 10 and slides limiting section.Thus when sliding sleeve 10 slippage, jump ring 2 can limit the stroke range of axis hole cylindricality large-diameter portion 10-1-4, and limits sliding sleeve 10 by jump ring 2 and deviate from.
As Figure 1-Figure 4, connect loop bar 1 sheathed back-moving spring 3 between jump ring 2 and sliding sleeve axis hole large-diameter portion inner face 10-1-3, the internal diameter of this back-moving spring 3 is less than the external diameter of jump ring 2, the external diameter of this back-moving spring 3 is greater than the internal diameter of sliding sleeve axis hole large-diameter portion inner face 10-1-3, to ensure back-moving spring 3 reliably between jump ring 2 and sliding sleeve axis hole large-diameter portion inner face 10-1-3.When promoting sliding sleeve 10-1 and moving, this back-moving spring 3 is compressed, and cutter head 12 can take out from the loop bar axis hole 1-1 connecting loop bar 1; When the external force of sliding sleeve 10-1 is removed, sliding sleeve 10 is reset to home position by back-moving spring 3, again can load cutter head 12 in the loop bar axis hole 1-1 connecting loop bar 1 after reset.
In the present embodiment, the internal diameter of sliding sleeve axis hole large-diameter portion inner face 10-1-3 is less than the external diameter of jump ring 2 and back-moving spring 3, forms first of sliding sleeve 10 thus and slides limiting section; The internal diameter of sliding sleeve axis hole large-diameter portion outer face 10-1-5 is greater than the external diameter of jump ring 2 and back-moving spring 3, installs on the connection loop bar 1 of jump ring 2 and back-moving spring 3 to ensure to be sleeved on by sliding sleeve 10 easily.Preferably, adopt sliding sleeve retainer ring 11 close-fitting sliding sleeve 10 spacing, concrete structure is: sliding sleeve 10 is having one end of axis hole cylindricality large-diameter portion 10-1-4, specifically sliding sleeve retainer ring 11 is set in one end of sliding sleeve axis hole large-diameter portion outer face 10-1-5, the external diameter of this sliding sleeve retainer ring 11 is slightly larger than the internal diameter of sliding sleeve axis hole large-diameter portion outer face 10-1-5, so that sliding sleeve retainer ring 11 and sliding sleeve 10 close-fitting; Meanwhile, the internal diameter of this sliding sleeve retainer ring 11 is less than the external diameter of jump ring 2, so that form sliding sleeve 10 second slides limiting section, thus limits sliding sleeve 10 by jump ring 2 and deviates from; Further, the internal diameter of this sliding sleeve retainer ring 11 also slightly larger than the external diameter connecting loop bar 1, should can connect slippage on loop bar 1 with sliding sleeve 10 after ensureing sliding sleeve retainer ring 11 swelling sliding sleeve 10.
In Fig. 1-embodiment illustrated in fig. 4, lock/discharge by adopting the locking releasing unit comprising the element such as sliding sleeve 10, ball 9 formation the cutter head 12 needing dismounting, during installation, cutter head 12 is inserted loop bar axis hole 1-1 can be fixed, promote sliding sleeve 10 during dismounting cutter head 12 to be taken out, operate very convenient, thus make the efficiency changing cutter head 12 improve widely.
Above-mentioned fast de-bar assembles up comparatively simple, and concrete assembling process is as described below:
(1) magnet 5 one end is loaded magnet and overlap close-fitting in 4 holes, then the little head end of magnet cover 4 is inserted close-fitting in expansion spring 6 one stomidium, again expansion spring 6 hole is put in one end larger for expandable nail 7, then expansion loop 8 is blocked, make expansion loop 8 tightly fill in expansion spring 6, finally make magnet 5, magnet cover 4, spring 6, expandable nail 7, expansion loop 8 twist into an overall magnet assembly.
(2) magnet assembly twisted into entirety is put into the axis hole connecting loop bar 1, then press down past for magnet cover 4, expandable nail 7 is made to be pressed into expansion loop 8, expansion spring 6 distending is simultaneously made further after this expansion loop 8 distending, make expansion spring 6 swelling firmly bottom the axis hole connecting loop bar 1, play the effect cannot take out.
(3) on the jump ring 2 connecting the outer circle of loop bar 1, back-moving spring 3 is put into, then ball 9 is put into the locating hole 1-3 connecting loop bar 1, again sliding sleeve 10 is inserted in from top to bottom and connects loop bar 1, then sliding sleeve retainer ring 11 is inserted in close-fitting in sliding sleeve 10 from top to bottom, so far, the assembling of fast de-bar is completed.
In above-mentioned fast de-bar structure, when not promoting sliding sleeve 10, the cutter head 12 of loading can firmly hold and can not naturally drop out, and can not be taken out easily by external force.When changing cutter head 12, as long as then gently sliding sleeve 10 is down promoted, cutter head 12 will drop out naturally.Like this, use and both changed cutter head fast, very laborsaving again.
Above the fast de-bar of the embodiment of the present invention is described in detail.On this basis, the embodiment of the present invention also provides a kind of screwdriver, comprises handle of a knife, knife bar and cutter head, and knife bar adopts above fast de-bar.Adopt the screwdriver of this fast de-bar can load and unload cutter head quickly, its structure is simple, and compact in design, cost is lower, has good market prospects.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible variation and amendment, the scope that therefore protection scope of the present invention should define with the claims in the present invention is as the criterion.
Claims (10)
1. one kind takes off bar soon, comprise and connect loop bar (1), one end of described connection loop bar (1) arranges the loop bar connecting portion (1-4) installing handle of a knife, the other end of described connection loop bar (1) arranges the loop bar axis hole (1-1) installing cutter head, described loop bar axis hole (1-1) is provided with cutter head installation portion (1-1-1), it is characterized in that, described loop bar axis hole (1-1) is also provided with magnet assembly installation portion (1-1-2), in described magnet assembly installation portion (1-1-2), magnet assembly is installed, the stiff end swelling of described magnet assembly is in described magnet assembly installation portion (1-1-2), the free end of described magnet assembly can slide in described magnet assembly installation portion (1-1-2), the free end of described magnet assembly installs magnet (5) to adsorb the cutter head inserted in described cutter head installation portion (1-1-1).
2. fast de-bar as claimed in claim 1, it is characterized in that, described magnet assembly comprises the magnet cover (4) in T-shaped cross section, swelling spring (6) and expansion element, described magnet (5) is installed on magnet cover endoporus (4-1) of described magnet cover (4) bigger diameter end, the miner diameter end of described magnet cover (4) embeds one end of described swelling spring (6), described expansion element embeds the other end of described swelling spring (6), the magnet assembly installation portion (1-1-2) described in swelling to make described swelling spring (6) be out of shape.
3. fast de-bar as claimed in claim 2, it is characterized in that, described expansion element comprises the expandable nail (7) with tapered portion and the expansion loop (8) with inflationary gap (8-2), described expandable nail (7) is loaded in described swelling spring (6), and the miner diameter end of described expandable nail (7) is towards the expansion loop endoporus (8-1) of described expansion loop (8), when described expandable nail (7) enters described expansion loop endoporus (8-1), described swelling spring (6) is caused to be out of shape by described expansion loop (8).
4. fast de-bar as claimed in claim 1, it is characterized in that, comprise locking releasing unit, described locking releasing unit is installed on one end that described connection loop bar (1) has loop bar axis hole (1-1), to lock/to discharge the cutter head needing dismounting.
5. fast de-bar as claimed in claim 4, it is characterized in that, described locking releasing unit comprises ball (9) and sliding sleeve (10), described ball (9) is loaded in the loop bar locating hole (1-3) of described connection loop bar (1), described sliding sleeve (10) is installed on connection loop bar (1) above also can in the upper slippage of described connection loop bar (1), described sliding sleeve (10) slippage enters cutter head draw-in groove to making described ball (9) during locked position, and described sliding sleeve (10) slippage shifts out cutter head draw-in groove to making described ball (9) during off-position.
6. fast de-bar as claimed in claim 5, it is characterized in that, described sliding sleeve (10) is provided with sliding sleeve axis hole (10-1), described sliding sleeve axis hole (10-1) is provided with sliding sleeve axis hole taper expansion mouth (10-1-1) and sliding sleeve axis hole cylindricality minor diameter part (10-1-2) and axis hole cylindricality large-diameter portion (10-1-4), in the stroke range of described axis hole cylindricality large-diameter portion (10-1-4), sliding sleeve limit element is installed, described sliding sleeve axis hole cylindricality minor diameter part (10-1-2) makes described ball (9) enter cutter head draw-in groove when being positioned at described loop bar locating hole (1-3), described sliding sleeve axis hole taper expansion mouth (10-1-1) makes described ball (9) shift out cutter head draw-in groove when being positioned at described loop bar locating hole (1-3).
7. fast de-bar as claimed in claim 5, it is characterized in that, described sliding sleeve limit element is for being installed on the jump ring (2) in the connecting rod draw-in groove (1-3) of described connection loop bar (1), between sliding sleeve axis hole large-diameter portion inner face (10-1-3) that described jump ring (2) is positioned at described sliding sleeve axis hole (10-1) and sliding sleeve axis hole large-diameter portion outer face (10-1-5), to limit the stroke range of described axis hole cylindricality large-diameter portion (10-1-4).
8. fast de-bar as claimed in claim 7, it is characterized in that, described connection loop bar (1) is sheathed back-moving spring (3) between described jump ring (2) and described sliding sleeve axis hole large-diameter portion inner face (10-1-3).
9. fast de-bar as claimed in claim 7, it is characterized in that, described sliding sleeve (10) has one end of axis hole cylindricality large-diameter portion (10-1-4) to arrange sliding sleeve retainer ring (11), sliding sleeve (10) described in the swelling of described sliding sleeve retainer ring (11), deviates to limit described sliding sleeve (10) by described jump ring (2).
10. a screwdriver, comprises handle of a knife, knife bar and cutter head, it is characterized in that, described knife bar adopts the fast de-bar as described in any one of claim 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410836769.7A CN104526630B (en) | 2014-12-29 | 2014-12-29 | Fast de-bar and screwdriver |
| PCT/CN2015/070276 WO2016106800A1 (en) | 2014-12-29 | 2015-01-07 | Quick-release rod and screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410836769.7A CN104526630B (en) | 2014-12-29 | 2014-12-29 | Fast de-bar and screwdriver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104526630A true CN104526630A (en) | 2015-04-22 |
| CN104526630B CN104526630B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410836769.7A Active CN104526630B (en) | 2014-12-29 | 2014-12-29 | Fast de-bar and screwdriver |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104526630B (en) |
| WO (1) | WO2016106800A1 (en) |
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| CN105500262A (en) * | 2015-12-31 | 2016-04-20 | 宁波中旺工具有限公司 | Electric screwdriver with convenient-to-replace screwdriver head |
| CN105690311A (en) * | 2014-08-24 | 2016-06-22 | 蔡留凤 | Automatic screwdriver suitable for saving working hours |
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| CN109062341A (en) * | 2018-06-27 | 2018-12-21 | 广州视睿电子科技有限公司 | Fast assembling disassembling structure and rotary buckle |
| CN109118975B (en) * | 2018-10-15 | 2024-06-04 | 利亚德光电股份有限公司 | LED box assembly |
| CN114076479A (en) * | 2020-08-10 | 2022-02-22 | 青岛海尔特种电冰箱有限公司 | Refrigerator door with replaceable door face |
| TWI823502B (en) * | 2022-08-01 | 2023-11-21 | 林琮淂 | End-operated quick release screwdriver bit holder |
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| CN105690311A (en) * | 2014-08-24 | 2016-06-22 | 蔡留凤 | Automatic screwdriver suitable for saving working hours |
| CN105500262A (en) * | 2015-12-31 | 2016-04-20 | 宁波中旺工具有限公司 | Electric screwdriver with convenient-to-replace screwdriver head |
| CN105500262B (en) * | 2015-12-31 | 2020-06-05 | 宁波中旺工具有限公司 | Electric screwdriver convenient for replacing screwdriver bit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104526630B (en) | 2016-04-27 |
| WO2016106800A1 (en) | 2016-07-07 |
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