CN204450372U - Fast de-bar and screwdriver - Google Patents
Fast de-bar and screwdriver Download PDFInfo
- Publication number
- CN204450372U CN204450372U CN201420864955.7U CN201420864955U CN204450372U CN 204450372 U CN204450372 U CN 204450372U CN 201420864955 U CN201420864955 U CN 201420864955U CN 204450372 U CN204450372 U CN 204450372U
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- bar
- axis hole
- cutter head
- loop bar
- 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- Withdrawn - After Issue
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Abstract
The open a kind of fast de-bar of the utility model embodiment and screwdriver.Described fast de-bar comprises connection loop bar, one end of this connection 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, loop bar axis hole is provided with cutter head installation portion and magnet assembly 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.Described screwdriver comprises handle of a knife, knife bar and cutter head, and knife bar adopts above-mentioned fast de-bar.The utility model embodiment adsorbs fixing cutter head by the magnet of free end, is convenient to change cutter head quickly.
Description
Technical field
The utility model relates to the manual or electric tool screwing or unclamp screw, nut class part, particularly relates 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.
Utility model content
For the defect that prior art exists, the object of the utility model embodiment is to provide a kind of structure de-bar and screwdriver simply soon, can change cutter head easily.
For solving above technical problem, the utility model embodiment 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 sliding sleeve axis hole cylindricality large-diameter portion, in the stroke range of sliding sleeve 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 and sliding sleeve axis hole large-diameter portion outer face of sliding sleeve axis hole, with and limit the stroke range of sliding sleeve 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 sliding sleeve 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 utility model embodiment 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 utility model embodiment arranges cutter head installation portion in the axis hole connecting loop bar, wherein the magnet assembly that one end is fixed, one end is free to slide is installed, adsorbs fixing cutter head by the magnet of free end, the replacing efficiency of cutter head can be improved.Especially, the utility model embodiment adopts the locking releasing unit comprising sliding sleeve and ball to lock/discharge the cutter head needing dismounting, during installation, cutter head is inserted loop bar axis hole can be fixed, promoting sliding sleeve during dismounting can take out cutter head, operates very convenient.
Accompanying drawing explanation
Fig. 1 is the exploded view that the utility model embodiment takes off bar soon;
Fig. 2 is the axial section that the utility model embodiment takes off sliding sleeve in bar soon;
Fig. 3 is that the utility model embodiment takes off the axial section connecting loop bar in bar soon;
Fig. 4 is the assembling schematic diagram that the utility model embodiment 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 utility model embodiment better, come to be described in detail the utility model 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 utility model embodiment takes off bar soon; Fig. 2 is the axial section that the utility model embodiment takes off sliding sleeve in bar soon; Fig. 3 is that the utility model embodiment takes off the axial section connecting loop bar in bar soon; Fig. 4 is the assembling schematic diagram that the utility model embodiment takes off bar soon.The utility model embodiment 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 1-1-1 is set, magnet assembly one end is fixed in cutter head installation portion 1-1-1, the other end can be free to slide in cutter head installation portion 1-1-1, 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 utility model embodiment, 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 utility model embodiment, repeats no more.
In the utility model embodiment, 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 sliding sleeve axis hole cylindricality large-diameter portion 10-1-4, three parts connect successively, wherein: install sliding sleeve limit element in the stroke range of sliding sleeve 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 sliding sleeve 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 sliding sleeve 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 utility model embodiment is described in detail.On this basis, the utility model embodiment 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 utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; can make possible variation and amendment, the scope that therefore protection domain of the present utility model should define with the utility model claim 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 sliding sleeve axis hole cylindricality large-diameter portion (10-1-4), in the stroke range of described sliding sleeve 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 6, 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 sliding sleeve 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 sliding sleeve 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420864955.7U CN204450372U (en) | 2014-12-29 | 2014-12-29 | Fast de-bar and screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420864955.7U CN204450372U (en) | 2014-12-29 | 2014-12-29 | Fast de-bar and screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204450372U true CN204450372U (en) | 2015-07-08 |
Family
ID=53657315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420864955.7U Withdrawn - After Issue CN204450372U (en) | 2014-12-29 | 2014-12-29 | Fast de-bar and screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204450372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526630A (en) * | 2014-12-29 | 2015-04-22 | 绍兴环洲工具制造有限公司 | Quick release level and screwdriver |
| CN112139799A (en) * | 2020-11-24 | 2020-12-29 | 潍坊市利程建材科技有限公司 | Tightening and loosening mechanism for screw and nut based on adjusting assembly |
-
2014
- 2014-12-29 CN CN201420864955.7U patent/CN204450372U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526630A (en) * | 2014-12-29 | 2015-04-22 | 绍兴环洲工具制造有限公司 | Quick release level and screwdriver |
| WO2016106800A1 (en) * | 2014-12-29 | 2016-07-07 | 绍兴环洲工具制造有限公司 | Quick-release rod and screwdriver |
| CN112139799A (en) * | 2020-11-24 | 2020-12-29 | 潍坊市利程建材科技有限公司 | Tightening and loosening mechanism for screw and nut based on adjusting assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150708 Effective date of abandoning: 20160427 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |