CN203485090U - Screwdriver head, screwdriver head fitting and screwdriver head assembly - Google Patents
Screwdriver head, screwdriver head fitting and screwdriver head assembly Download PDFInfo
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- CN203485090U CN203485090U CN201320390803.3U CN201320390803U CN203485090U CN 203485090 U CN203485090 U CN 203485090U CN 201320390803 U CN201320390803 U CN 201320390803U CN 203485090 U CN203485090 U CN 203485090U
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- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 3
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- 238000010521 absorption reaction Methods 0.000 description 1
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Abstract
This utility model provides a screwdriver head assembly, comprising a screwdriver head and a screwdriver head fitting. The screwdriver head comprises a head part achieving the tool function, an insertion mounting part which is to drive the screwdriver to pivot around a first axis by cooperating with a power tool, and a connection part connecting the head part and the insertion mounting part. The connection part is provided with a limit structure. The screwdriver fitting comprises a fitting body, a magnetic member and a limit member which are mounted on the outer circumference of the screwdriver by cooperating with the limit structure of the screwdriver head. The integral body consisting of the fitting body, the limit member and the magnetic member, and the screwdriver head constitute sliding connection with preset stroke. The screwdriver head assembly is delicate in structure, concise in structure, small in volume and low in processing cost, and can be disassembled and assembled according to requirements of users.
Description
Technical field
The utility model relates to a kind of screwdriver bit assembly, is specifically related to screwdriver bit, screwdriver bit accessory and their combination.
Background technology
In thering is the power tool of rotating drive pattern, screwdriver bit is a kind of assembly of outbalance, it is mainly used in realizing the driving to screw, it is part direct and that screw comes in contact, for nailing work, the design of screwdriver bit is experienced for final nailing quality and in this process user's experience, has very important impact.
Along with the universal and development of power tool, it is not only used by some professional's work, and is received by numerous domestic consumers now.With respect to professional, general domestic consumer is in the situation that lacking professional training, use the existing power tool with screwdriver bit often to can not get desirable nailing effect, even for professional, thereby they also more wish by improving and make them needn't at every moment keep high focus when operating by power tool itself, to improve operating experience and efficiency.
Therefore, by improving power tool itself, make it have corresponding miscellaneous function, thereby operate professional requirement for user provides good operating experience, reduction user, become the general target of industry.
But for having in the power tool of rotating drive pattern, present this improvement often embodies a concentrated reflection of the main part of power tool, realizes by complicated mechanism or circuit.For the rare improvement of screwdriver bit of final implementation tool function, or not still very desirable after improving.
Existing screwdriver bit major part is still only has simple structure, except realizing torque drive and in power tool main body assembling, can not provide useful miscellaneous function to user, and some can provide the screwdriver bit of miscellaneous function, structure is often comparatively complicated, have that volume is large, high in cost of production defect, be difficult to universal and promote.
Summary of the invention
For the problems referred to above, the utility model provides the screwdriver bit assembly that a kind of structure is ingenious, be easy to realization and the operation of energy assisted user.
For solving above technical problem, the utility model by the following technical solutions:
screwdriver bit:
Screwdriver bit of the present utility model comprises: head, connecting portion, cartridge part, and these three parts distribute successively from screwdriver bit front end to rear end, and they form an integral body.
Wherein, head is mainly used to implementation tool function, here said instrumental function refers to fixing the screw head of a nail in nailing work, and the function that drives screw pivotable, in addition, head can, by being comprised of part luminescent material aid functions such as realizing noctilucence indication, not add and repeat at this yet.
Cartridge part is mainly used in realizing and coordinates with the corresponding mechanism of power tool, the moment of torsion that transferring power instrument produces and make whole screwdriver bit carry out pivotable around first axle, when first axle is the utility model screwdriver bit pivotable around axis.
The Main Function of connecting portion is to connect head and cartridge part, is formed with or is provided with on connecting portion: position limiting structure, position limiting structure is greater than head and cartridge part in first axle full-size in the radial direction in first axle full-size in the radial direction.
In other words, if looked along the direction of parallel first axle from the front end (one end at head place) of screwdriver bit, position limiting structure always has the part that protrudes from head and can be observed; Equally, if looked along the direction of parallel first axle from the tail end (one end at place, cartridge part) of screwdriver bit, position limiting structure always has the part that protrudes from cartridge part and can be observed.
Like this for screwdriver bit provides the possibility that additional structure is installed, but the accessory that is similar to sleeve of installing from front end can make head pass along the direction of parallel first axle may limited structure stop that formation is spacing, equally, from rear end, be also same situation, this is that general screwdriver bit is not available.
Need be at 2 of explanation, position limiting structure itself can be formed by screwdriver bit itself, and the miscellaneous part that also can be mounted on screwdriver bit forms, and such as a spacing collar with cylindrical shape, it can achieve a fixed connection by interference fit with screwdriver bit.The secondth, position limiting structure can distribute completely in the circumferential direction of first axle, also just say position limiting structure be one with the rotary structure of first axle, such as one by screwdriver bit, at connecting portion place, formed at first axle, protrude in the radial direction the cylinder of its adjacent part.But in order to limit the relative position of first axle on axially, it must be rotary structure that position limiting structure does not need, it can be also also passable in the projection upwards in first axle week with equally distributed bulge-structure or uneven distribution, as long as can limit the motion of accessory.
screwdriver bit accessory:
Screwdriver bit accessory of the present utility model comprises: thus by the position limiting structure with the utility model screwdriver bit, coordinate the accessory body being arranged in screwdriver bit periphery, accessory body and screwdriver bit formation have being slidably connected of predetermined stroke, and this direction being slidably connected is parallel to first axle.
Particularly, accessory body is formed with for the screwdriver bit body through-holes that at least one end is passed through along first axle, is formed with the wall construction that stops screwdriver bit and accessory body relative sliding to exceed default stroke in accessory body outer peripheral face or body through-holes.
Here said default stroke refers to: what screwdriver bit and accessory body formed is slidably connected, the length of their the two relative sliding strokes is all fixed, here it should be noted that, why be set to be slidably connected, be because some function needs the limited slip on screwdriver bit of accessory body, but some situation is unwanted, what the default stroke sliding can be arranged is very little, situation about certainly cannot slide, can think that default stroke is zero.
For being slidably connected of making that screwdriver bit and accessory body form possesses default stroke, make their slippages mutually, at least need two groups to form the stop configurations coordinating, in these two groups, may have the structure of a coincidence, also can be two groups of independently stop configurations, but anyway, if realize screwdriver bit and accessory body is mounted for an integral body by two individualities, must there is one group of spacing structure structure of form sliding in the front end of screwdriver bit formation not during through body through-holes, because the structure connecting by the spacing limit slippage of contact, can not realize go journey do not form contact spacing, in unidirectional backhaul, form contact spacing.
So at least need one group in technical solutions of the utility model, can mount and dismount stop configurations, in the utility model, the wall construction that is positioned at body through-holes be by himself, contact with the position limiting structure of screwdriver bit realize to screwdriver bit and accessory body be slidably connected form spacing, thereby be positioned at the wall construction of body through-holes or additional for contacting other parts with the position limiting structure of screwdriver bit, realize spacing by fixing.
The wall construction that is positioned at accessory body outer peripheral face is due to the relation of himself position, thereby it can only additional realize spacing for contacting other parts with the position limiting structure of screwdriver bit by fixing.In this case, screwdriver bit accessory of the present utility model also comprises: for being arranged on the locating part contacting with screwdriver bit on accessory body.So can be by locating part be first installed, screwdriver bit and accessory body are realized and be mounted to assigned address, in opposite directions during the limit of plug-in mounting (plug-in mounting is also a kind of slip), mounting limit part, with the locating part on accessory body, limit screwdriver bit and make it oppositely not exit again accessory body, namely limit their tendency toward sliding separated from one another.
Further, wall construction of the present utility model comprises: the first kind wall construction directly contacting with screwdriver bit; Be used for the Equations of The Second Kind wall construction of mounting limit part.
The wall construction that is positioned at body through-holes can be that first kind wall construction can be also Equations of The Second Kind wall construction, and the wall construction that is positioned at accessory body outer peripheral face can be only Equations of The Second Kind wall construction in the ordinary course of things, because screwdriver bit passes from body through-holes.
Particularly, first kind wall construction comprises: be formed on the step in body through-holes, Equations of The Second Kind wall construction is formed in the outer peripheral face or body through-holes of accessory body; Equations of The Second Kind wall construction comprises: projection or external screw thread on the groove in body through-holes, accessory body exterior contoured surface.Here said projection or step all refer to projection or the step on the inwall of body through-holes, they upwards exceed the adjacent part of their one or both sides to the footpath of the through-bore axis in body through-holes, because screwdriver bit can pass through body through-holes along first axle, so the through-bore axis of body through-holes should overlap with first axle, that is to say, projection in first kind structure or step are also upwards the adjacent part that exceeds their one or both sides in the footpath of first axle, so just in time can interfere to form with the position limiting structure of screwdriver bit and coordinate, in other words, the design of first kind wall construction and feature are exactly to coordinate in order to realize with the position limiting structure of screwdriver bit.
Especially, locating part is be arranged on body by the packing ring in hole or be sleeved on this external encasement tube of accessory, and encasement tube is formed with the barrier structure that simultaneously can pass through for screwdriver bit one end again for partial occlusion body through-holes.
The axis of encasement tube overlaps with first axle.
When locating part is packing ring, being mated Equations of The Second Kind wall construction is groove, and it must upwards cause dimensional contraction in the footpath of first axle than its installation place, realizes spacingly, for locating part in being arranged on body through-holes, can realize such effect.Certainly should select some such as the flexible packing ring that has of C type circle one class, spacing reliable in order to guarantee, metal washer preferably.
When locating part is encasement tube, being mated Equations of The Second Kind wall construction is groove or external screw thread, and the inwall of corresponding encasement tube also can be formed for projection or the internal thread for being threaded of clamping.
Encasement tube is because be the outside that is socketed in accessory body, therefore it need to form barrier structure and adopts and realize spacing to the intrinsic screwdriver bit of accessory, as a kind of concrete scheme, barrier structure can be a step surface vertical with shoulder hole axis in a shoulder hole forming of encasement tube, so, in shoulder hole, larger one end is used for being socketed accessory body, accessory body part is contained in larger one end in shoulder hole, and in shoulder hole, the step surface between major part and less part is used for forming barrier structure, in order to realize the effect of barrier structure, in shoulder hole, the aperture of smaller portions should be less than the full-size that position limiting structure that screwdriver bit is positioned at this side makes progress in first axle footpath, could realize the backstop to position limiting structure like this, in addition, the effect of not holding because smaller portions in shoulder hole only play spacing effect, so its hole depth length will be far smaller than part larger in shoulder hole.
Screwdriver bit accessory of the present utility model also comprises: be arranged on accessory body or/and the magnetic part on locating part, accessory body is or/and be formed for the mounting structure of installation function assembly on locating part; The Main Function of magnetic part is the head of a nail of absorption screw, plays the effect of holding up nail when nailing.
Magnetic part can be arranged on accessory body or locating part, can be also to be both arranged on accessory body to be also arranged on locating part.This specifically depends on, when screwdriver bit accessory is arranged on screwdriver bit, accessory body is positioned at this side of screwdriver bit head, or locating part is positioned at this side of screwdriver bit head; If can be both that this side that accessory body is positioned at screwdriver bit head can be also that locating part is positioned at this side of screwdriver bit head while installing, can be used as a fool-proof design.But for the locating part in being arranged on accessory body body through-holes, it is to be obviously difficult for realizing that magnetic part is installed.
Preferably, magnetic part is arranged on accessory body end accessory body and is formed with one for the mounting groove of magnetic part is installed.When magnetic part is a toroidal cores, mounting groove corresponds to an annular step groove.
In addition, for the ease of observing, special, accessory body of the present utility model is or/and locating part is transparent material makes, and the ABS plastic such as employing with certain structural strength is made.
screwdriver bit assembly:
Screwdriver bit assembly of the present utility model mainly comprises above screwdriver bit and screwdriver bit accessory, and the suitable combination of various energy of above scheme can be used for realizing screwdriver bit assembly of the present utility model.
First the utility model has designed a kind of screwdriver bit with position limiting structure, so, for follow-up, for providing the screwdriver bit accessory of miscellaneous function to provide, realize the architecture basics of installing, when not needing miscellaneous function, it also can be as general screwdriver bit that can be extensively adaptive; Secondly the utility model designs a kind of screwdriver bit accessory, and it can be arranged on screwdriver bit of the present utility model and realize and hold up the miscellaneous functions such as nail; For them both, they all can use as a product separately, for their combination screwdriver bit assemblies of the present utility model forming, for realizing, default to form the structure being slidably connected ingenious between the two for they, can be according to user's request dismounting or assembling, so and because additional small volume simple for structure, processing cost are lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of a preferred embodiment of the utility model screwdriver bit; The blast structural representation of first preferred embodiment of Fig. 2 screwdriver bit accessory of the present utility model;
Fig. 3 is the internal structure schematic diagram of accessory body of first preferred embodiment of screwdriver bit accessory of the present utility model;
Fig. 4 is the internal structure schematic diagram of accessory body in second preferred embodiment of screwdriver bit accessory of the present utility model;
Fig. 5 is the internal structure schematic diagram of locating part in second preferred embodiment of screwdriver bit accessory of the present utility model;
Fig. 6 is the sectional structure schematic diagram of first preferred embodiment of screwdriver bit assembly of the present utility model;
Fig. 7 is the sectional structure schematic diagram of second preferred embodiment of screwdriver bit assembly of the present utility model.The implication of Reference numeral in figure:
10-screwdriver bit, 101-head, 1011-cutter head, 1012-handle of a knife, 102-connecting portion, 1021-position limiting structure, 103-plug-in mounting section, 1031-lock slots, a-first axle.
30-accessory body, 301-body through-holes, the first paragraph of 3011-body through-holes, the second segment of 3012-body through-holes, the 3rd section of 3013-body through-holes, the projection in 302-body through-holes, 3021-step surface, 3022-step surface, 303-groove, 304-circumferential projection, 40-magnetic core piece, 50-packing ring, c-first axle.
60-accessory body, the projection of 601-accessory body, 70-locating part, 701-is set with through hole, 7011-raised section, 7012-accommodating section, the 7013-section of blocking, 702-step surface, the projection of 703-locating part.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.
first preferred embodiment of screwdriver bit:
With reference to the embodiment shown in Fig. 1, screwdriver bit 10 mainly comprises: head 101, connecting portion 102 and cartridge part 103.
As a kind of preferred version, screwdriver bit 10 in the present embodiment can be take first axle a and be carried out pivotable as rotating shaft, and this screwdriver bit 10 on the arbitrary cross section perpendicular to first axle a the section that intercepted all form the Central Symmetry centered by the subpoint of this cross section of first axle a place.
Wherein, head 101 is mainly divided into two parts, the cutter head 1011 for hold-down screw nut of a part for tapering off to a point, and another part is that cutter head maximum cross section (cross section of vertical first axle) evenly extends to form handle of a knife 1012 to connecting portion 102.Cartridge part 103 is in order to realize the transmission of moment of torsion, and it can adopt existing screwdriver bit to adopt to obtain hexahedron structure, it should be noted that, in order to realize the axial restraint to whole screwdriver bit, has one for the lock slots 1031 of axial limiting on cartridge part 103.
Between head 101 and cartridge part 103, it is connecting portion 102.As shown in Figure 1, connecting portion 102 places are formed with a position limiting structure 1021, and it is specially the cylinder of axle centered by first axle a that protrudes in the radial direction its adjacent part at first axle a.
As alternative, position limiting structure can be that cylindrical spacing collar is realized by the profile that is socketed in connecting portion place, and spacing collar can be formed and is fixedly connected with by interference fit with screwdriver bit.
first embodiment of screwdriver bit accessory:
Shown in Fig. 3 and Fig. 4, the screwdriver bit accessory of this embodiment comprises: accessory body 30, magnetic part 40, locating part 50.
Wherein, accessory body 30 is provided with a body through-holes 301 of passing through for screwdriver bit, in order to realize spacing along first axle c direction, body through-holes 301 is not thick-and-thin even hole, an aperture, its inwall is formed with projection 302, the first paragraph 3011 that whole body through-holes is divided into aperture maximum, the second segment 3012 of aperture minimum and aperture are positioned at above-mentioned between the two the 3rd section 3013, relation from aperture, projection 302 correspondences in body through-holes 301 are formed at second segment 3012 places, the step surface 3022 that projection 302 is positioned at first paragraph 3,011 one sides all can form position limiting structure with the step surface 3013 that is positioned at the 3rd section of 3,013 one sides, if selected, from a side of the 3rd section 3013, insert screwdriver bit, so make the axial length of the 3rd section 3013 be greater than all the other two section 3011, 3012.Shown in Fig. 8, because now, the 3rd section 3013 of body through-holes 301 as main holding portion.Step surface 3021 is mainly used in limiting on screwdriver bit 10(screwdriver bit counter structure, before referring to shown in the specific embodiment and Fig. 8 of screwdriver bit), allow screwdriver bit 10 one end be stretched out after body through-holes 301, can not further move again, in case integral body all skids off accessory body 30.Step surface 3021 is a first kind wall construction.For screwdriver bit 10 is no longer oppositely exited by direction of insertion, screwdriver bit 10 and accessory body 30 are departed from, the 3rd section of 3013 places in body through-holes 301 are provided with a groove 303, then pack the packing ring as locating part 50 into groove 303, thereby screwdriver bit can not oppositely be exited.So far, screwdriver bit 10 has realized by accessory body 30 self structure and packing ring 50 being slidably connected of can not throwing off, and namely has being slidably connected of default stroke.
The hole wall of the first paragraph 3011 of step surface 3022 and body through-holes 301 has formed a mounting groove, and magnetic part 4 can be fixed in mounting groove.Certainly, magnetic part 40 also can adopt other directly and accessory body 30 combinations achieve a fixed connection.As a kind of preferred version, magnetic part is a toroidal cores, and above-mentioned mounting groove is an annular step groove.
Separately it should be noted that, in the outer rim of accessory body 30, can form a circumferential projection 304, more convenient like this user removes to operate movable accessory body 30.
second embodiment of screwdriver bit accessory:
Shown in Fig. 5, Fig. 6, screwdriver bit accessory in this embodiment comprises: accessory body 60, magnetic part (not shown), locating part 70.Wherein accessory body 60 is formed with one as the projection 601 of Equations of The Second Kind wall construction and the inner not groove as Equations of The Second Kind wall construction on its outer peripheral face, in first embodiment of remainder and screwdriver bit accessory, accessory body 30 is on all four, at this, does not add and repeats.Certainly, equally as the external screw thread of Equations of The Second Kind wall construction, can be used as protruding 601 alternatives.
As a kind of preferred version, be originally that the locating part 70 in embodiment is a cover fitted tube that can be sleeved on outside accessory body 60, this cover fitted tube is provided with a suit through hole 701.As shown in Figure 6, suit through hole 701 is divided into raised section 7011, accommodating section 7012, the section of blocking 7013, and wherein the aperture of accommodating section 7012 is maximum, takes second place in the aperture of raised section 7011, and the aperture of the section of blocking 7013 is minimum.The institute aperture of raised section 7011 is relatively little, because it is formed with projection 703, this projection 703 is mainly used to form and coordinate with the projection 601 of accessory body 60, it should be noted that, in order to make them form, coordinate, locating part 70 itself should be have necessarily flexible, so, it could be when suit, raised section 7,011 601 contact with projection, carries out opening until projection 601 relatively slides to accommodating section 7012 places to a certain degree, because space is enough to hold protruding 601, projection 601 is blocked in raised section 7011 resiliences, realizes the installation of locating part 70.
Certainly, raised section 7011 also can replace with one section of internal thread segment.
Shown in Fig. 6, the step surface 702 between the section of blocking 7013 and accommodating section 7012 is as the barrier structure for spacing screwdriver bit 10, and the aperture that suit through hole 701 forms through hole in the section of blocking 7013 is to be enough to pass through for this one end, cartridge part of screwdriver bit 10.So, cartridge part just can form and assemble with power tool.
first embodiment of screwdriver bit assembly:
Fig. 7 is the structural representation of first preferred embodiment of screwdriver bit assembly of the present utility model; Screwdriver bit assembly in the present embodiment comprises: the screwdriver bit 10 in first embodiment and the screwdriver bit accessory in first embodiment.
From Fig. 7, we can find out that screwdriver bit 10 is all formed spacing by accessory body 30 and locating part 50 from axial both direction.
second embodiment of screwdriver bit assembly:
Fig. 8 is the structural representation of second preferred embodiment of screwdriver bit assembly of the present utility model; Screwdriver bit assembly in the present embodiment comprises: the screwdriver bit accessory in the screwdriver bit 10 in first embodiment and second embodiment.(40 on this figure removed)
From Fig. 8, we can find out that screwdriver bit 10 is all formed spacing by accessory body 60 and locating part 70 from axial both direction.
As preferred version, accessory body of the present utility model is or/and locating part is transparent material makes, and the ABS plastic such as employing with certain structural strength is made.
The specific embodiment described above is just set forth design of the present utility model and principle, does not really want content of the present utility model to limit.Those of ordinary skill in the art can recognize, except the above-mentioned preferred specific embodiment, the utility model also has a lot of other embodiments that substitute or that revise, and these embodiments alternative or that revise are still within scope of the present utility model.
Claims (15)
1. a screwdriver bit, comprising: for the head of implementation tool function, thereby for power tool coordinate drive screwdriver bit around first axle carry out pivotable cartridge part, be arranged between above-mentioned head and cartridge part for being connected their connecting portion; It is characterized in that, on above-mentioned connecting portion, be formed with or be provided with: position limiting structure, above-mentioned position limiting structure is greater than above-mentioned head and cartridge part in first axle full-size in the radial direction in first axle full-size in the radial direction.
2. a kind of screwdriver bit according to claim 1, is characterized in that, to be of forming of above-mentioned connecting portion protrude the cylinder of axle centered by first axle of its adjacent part at first axle to above-mentioned position limiting structure in the radial direction.
3. a kind of screwdriver bit according to claim 1, is characterized in that, above-mentioned position limiting structure is that the profile that is socketed in above-mentioned connecting portion place is cylindrical spacing collar.
4. a screwdriver bit accessory, it is characterized in that, comprise: thus by coordinate the accessory body being arranged in screwdriver bit periphery with the position limiting structure of screwdriver bit claimed in claim 1, above-mentioned accessory body and screwdriver bit formation have being slidably connected of predetermined stroke, and this direction being slidably connected is parallel to first axle.
5. screwdriver bit accessory according to claim 4, above-mentioned accessory body is formed with for the screwdriver bit body through-holes that at least one end is passed through along first axle, is formed with the wall construction that stops above-mentioned screwdriver bit and accessory body relative sliding to exceed default stroke in above-mentioned accessory body outer peripheral face or above-mentioned body through-holes.
6. screwdriver bit accessory according to claim 5, is characterized in that, above-mentioned wall construction comprises: the first kind wall construction directly contacting with above-mentioned screwdriver bit; Above-mentioned first kind wall construction comprises: be formed on the step surface perpendicular to above-mentioned first axle in above-mentioned body through-holes.
7. screwdriver bit accessory according to claim 6, is characterized in that, also comprises: be arranged on the locating part on above-mentioned accessory body; Above-mentioned wall construction also comprises: be used for installing the Equations of The Second Kind wall construction of above-mentioned locating part, above-mentioned Equations of The Second Kind wall construction is formed in the outer peripheral face or above-mentioned body through-holes of above-mentioned accessory body; Above-mentioned Equations of The Second Kind wall construction comprises: projection or external screw thread on the groove in above-mentioned body through-holes, above-mentioned accessory body exterior contoured surface.
8. screwdriver bit accessory according to claim 7, it is characterized in that, above-mentioned locating part is be arranged on above-mentioned body by the packing ring in hole or be sleeved on this external encasement tube of above-mentioned accessory, and above-mentioned encasement tube is formed with the barrier structure that simultaneously can pass through for above-mentioned screwdriver bit one end again for the above-mentioned body through-holes of partial occlusion.
9. according to the screwdriver bit accessory described in claim 7 or 8, it is characterized in that, also comprise: magnetic part, above-mentioned accessory body is or/and be formed with mounting structure on locating part, and above-mentioned magnetic part is arranged in described mounting structure.
10. screwdriver bit accessory according to claim 9, is characterized in that, described mounting structure is the mounting groove forming in one end of above-mentioned accessory body, and above-mentioned magnetic part is arranged in described mounting groove.
11. screwdriver bit accessories according to claim 10, is characterized in that, above-mentioned magnetic part is a toroidal cores, and above-mentioned mounting groove is an annular step groove.
12. according to the screwdriver bit accessory described in claim 7 or 8, it is characterized in that, above-mentioned accessory body is or/and locating part is transparent material makes.
13. 1 kinds of screwdriver bit assemblies, is characterized in that, comprising: screwdriver bit claimed in claim 1 and screwdriver bit accessory claimed in claim 5.
14. screwdriver bit assemblies according to claim 13, it is characterized in that, above-mentioned accessory body is formed with for the screwdriver bit body through-holes that at least one end is passed through along first axle, is formed with the wall construction that stops above-mentioned screwdriver bit and accessory body relative sliding to exceed default stroke in above-mentioned accessory body outer peripheral face or above-mentioned body through-holes; Above-mentioned wall construction comprises: the first kind wall construction directly contacting with above-mentioned screwdriver bit; Above-mentioned first kind wall construction comprises: be formed on projection or step in above-mentioned body through-holes; Above-mentioned screwdriver bit accessory also comprises: for being arranged on the locating part for contacting with above-mentioned screwdriver bit in above-mentioned body through-holes; Above-mentioned wall construction also comprises: be used for installing the Equations of The Second Kind wall construction of above-mentioned locating part, above-mentioned Equations of The Second Kind wall construction is formed in the outer peripheral face or above-mentioned body through-holes of above-mentioned accessory body; Above-mentioned Equations of The Second Kind wall construction comprises: projection or external screw thread on the groove in above-mentioned body through-holes, above-mentioned accessory body exterior contoured surface.
15. screwdriver bit assemblies according to claim 13, is characterized in that, described screwdriver bit accessory also comprises magnetic part, and one end of above-mentioned accessory body is formed with a mounting groove, and above-mentioned magnetic part is arranged in described mounting groove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320390803.3U CN203485090U (en) | 2013-07-02 | 2013-07-02 | Screwdriver head, screwdriver head fitting and screwdriver head assembly |
| US14/320,815 US9597783B2 (en) | 2013-07-02 | 2014-07-01 | Bit assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320390803.3U CN203485090U (en) | 2013-07-02 | 2013-07-02 | Screwdriver head, screwdriver head fitting and screwdriver head assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203485090U true CN203485090U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320390803.3U Expired - Fee Related CN203485090U (en) | 2013-07-02 | 2013-07-02 | Screwdriver head, screwdriver head fitting and screwdriver head assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203485090U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2529525A (en) * | 2014-07-15 | 2016-02-24 | Chervon Ip Ltd | Bit accessory and bit assembly |
| CN105751136A (en) * | 2014-12-18 | 2016-07-13 | 南京德朔实业有限公司 | Fitting suitable for batch head and batch head assembly with same |
-
2013
- 2013-07-02 CN CN201320390803.3U patent/CN203485090U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2529525A (en) * | 2014-07-15 | 2016-02-24 | Chervon Ip Ltd | Bit accessory and bit assembly |
| US10093005B2 (en) | 2014-07-15 | 2018-10-09 | Chervon (Hk) Limited | Bit accessory and bit assembly |
| GB2529525B (en) * | 2014-07-15 | 2020-09-16 | Chervon (Hk) Ltd | Bit accessory and bit assembly |
| CN105751136A (en) * | 2014-12-18 | 2016-07-13 | 南京德朔实业有限公司 | Fitting suitable for batch head and batch head assembly with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140319 |
|
| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: Expiration and Termination of 39 Volume 2901 Patent on July 18, 2023 Number: 29-01 Volume: 39 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 |