CN203485091U - Screwdriver head - Google Patents
Screwdriver head Download PDFInfo
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- CN203485091U CN203485091U CN201320394873.6U CN201320394873U CN203485091U CN 203485091 U CN203485091 U CN 203485091U CN 201320394873 U CN201320394873 U CN 201320394873U CN 203485091 U CN203485091 U CN 203485091U
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- screwdriver bit
- work package
- actuator
- pivot axis
- branch sleeve
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- 239000000463 material Substances 0.000 claims abstract description 13
- 238000003780 insertion Methods 0.000 claims abstract description 10
- 230000037431 insertion Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 210000002421 cell wall Anatomy 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
This utility model provides a screwdriver head, comprising a screwdriver head body and function fittings. The screwdriver head body comprises a working member for achieving functions and a driving member for transmitting torque to the working member to drive the working member to pivot around a pivotal axis; the working member and the driving member constitute sliding connection with preset stroke; the working member and the driving member constitute a stop mechanism preventing the relative sliding from exceeding the preset stroke; the function members includes a fitting body, a stopper and a function member. Through the combination of a connection insertion core and a connection sleeve, screwdriver head makes the working members and the driving members which are made of various materials and have various characteristics constitute sliding connection with preset stroke and provides a certain buffering gap along the axial direction and on the circumference so as to relieve the impact on the service life. The utility model provides embodiment schemes utilizing two different material mechanical properties. The technical scheme of the screwdriver can prolongs the service life in respects of the material and the structure.
Description
Technical field
The utility model relates to a kind of screwdriver bit, is specifically related to a kind of screwdriver bit that can slow down impact.
Background technology
For the electric tool of use screwdriver bit, impacting to drive becomes a kind of more and more common type of drive, because instrument is at work with high-frequency percussion, so have higher requirement for the toughness of screwdriver bit.Traditional screwdriver bit is to use single metal processing, the hardness of front and back is consistent, wear-resisting in order to meet, durable requirement, often reduced the pursuit to toughness, once and by the mode that reduces hardness, strengthen toughness, wearability and durability can greatly reduce again, even can not be satisfactory lower than standard-required.
Under such background, those skilled in the art starts to adopt two kinds of different materials to form screwdriver bit to address the above problem, but now still do not have a kind of can solve toughness and hardness contradiction and rational in infrastructure, be convenient to the screwdriver bit processed.
Summary of the invention
For the problems referred to above, the utility model provides a kind of toughness and hardness contradiction and screwdriver bit rational in infrastructure, easy to process of solving under impact driving.
For solving above technical problem, the utility model by the following technical solutions:
A screwdriver bit, comprising: screwdriver bit body, screwdriver bit body comprises: for the work package of implementation tool function, for to work package transmitting torque to drive it to carry out the actuator of pivotable around pivot axis; Work package and actuator formation have being slidably connected of default stroke; Work package and actuator are formed with and for preventing from sliding relative to one another, surpass the stop configurations of default stroke.
Further, the direction of work package and actuator relative sliding is parallel to pivot axis; Stop configurations has the appearance profile that tilts or intersect vertically with the direction of parallel pivot axis.
Further, stop configurations comprises: be respectively used to stop work package and actuator relative separation or close first kind stop configurations and the Equations of The Second Kind stop configurations that surpasses default stroke; First kind stop configurations comprises: by work package, formed in pivot axis footpath, upwards exceed or lower than the first structural portion of remainder, by actuator, formed in pivot axis footpath upwards lower than or exceed its adjacent part and can realize and contact the second spacing structural portion with the first structural portion; Equations of The Second Kind stop configurations comprises: by work package form the 3rd structural portion, by actuator, formed realize with the 3rd structural portion the 4th structural portion contact cooperation.
Further, the 3rd structural portion comprises: in pivot axis footpath, upwards exceed or lower than the first radial structure portion of its adjacent part or/and the first end face structural portion being formed near one end of actuator by work package; The 4th structural portion comprises: in pivot axis footpath, upwards exceed or lower than the second radial structure portion of its adjacent part or/and the second end face structure portion being formed near one end of actuator by work package.
Further, the front end of work package forms working head, rear end forms and connects afterbody; The front end of actuator forms and connects head, rear end formation driving handle; Work package forms and is slidably connected with the cooperation that is connected head by being connected afterbody with actuator; The first structural portion and the 3rd structural portion are formed at connection afterbody; The second structural portion and the 4th structural portion are formed at connection head.
Further, connect head and comprise: a branch sleeve, branch sleeve is formed with a container cavity that one end is uncovered, the other end seals; Connecting afterbody comprises: a connecting core insert coordinating with branch sleeve, and connecting core insert is partly contained in branch sleeve; Connecting core insert is formed with lock pin position limiting structure, and branch sleeve is formed with the sleeve position limiting structure for coordinating with lock pin position limiting structure.
Further, connecting core insert from being divided into successively near one end of branch sleeve: the transmission section, the part that are contained in completely in branch sleeve are contained in the structural sections branch sleeve, structural sections is formed with one as annular limited impression or the limited step of lock pin position limiting structure, the container cavity of branch sleeve is divided into: for hold transmission section accommodating section, be used to form spacing section of sleeve position limiting structure, spacing section is formed with the spacing preiection coordinating with limited impression or limited step; Connecting core insert is formed with insertion core end face near one end of branch sleeve, is formed with a sleeve end face in branch sleeve container cavity.
Further, be parallel in the direction of pivot axis, the length of transmission section is less than the length of accommodating section.
Further, transmission section is divided into: main paragraph and the chamfered end being formed by main paragraph contraction, and main paragraph is positive six prisms; Accommodating section comprises: with socket section and the backstop end of main paragraph and chamfered end difference corresponding matching; In the direction of pivot axis, the length of socket section is greater than the length of main paragraph; The radial dimension of main paragraph is less than the radial dimension of socket section.
Further, this screwdriver bit is impact screwdriver head, and the hardness of work package is greater than the hardness of actuator.
Further, screwdriver bit of the present utility model also comprises: thus one coordinates the functional accessory that miscellaneous function can be provided that goes up to the periphery in week that is arranged on screwdriver bit body by the part with forming stop configurations in screwdriver bit body.
Further, functional accessory comprises: be sleeved on accessory body in screwdriver bit body periphery, be arranged on accessory body for screwdriver bit body being formed to spacing locating part, being arranged on accessory body or/and the functor on locating part, accessory body and screwdriver bit formation have being slidably connected of predetermined stroke, and this direction being slidably connected is parallel to pivot axis; Accessory body is formed with for the screwdriver bit body body through-holes that at least one end is passed through along first axle, is formed with the logical 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.
Further, wall construction comprises: the first kind wall construction directly contacting with screwdriver bit body, the Equations of The Second Kind wall construction that is used for mounting limit part; First kind wall construction comprises: be formed on the step surface perpendicular to first axle in body through-holes; 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.
Further, one end of accessory body is formed with an annular step groove, and functor is the toroidal cores being arranged in step groove.
Further, work package is provided with the illuminating part of being made by luminescent material.
Further, working head is divided into: operate portions, for connecting operate portions and the neck that is connected afterbody; Neck is the cylinder of axis centered by pivot axis, and its radius is less than the full-size that operate portions makes progress in pivot axis footpath.
The utility model is by the combination of connecting core insert and branch sleeve, make to make and there is the work package of different performance and actuator forms being slidably connected of default stroke by different materials, make them on axial and circumferential, all there is certain buffer gap, thereby alleviate, impact the impact that the life-span is caused, for having fully utilized the technical scheme of two kinds of different materials mechanical properties, provide structural implementation.The technical solution of the utility model all can play positive effect for improving the screwdriver bit life-span in material and structure.
Accompanying drawing explanation
Fig. 1 is the surface structure schematic diagram of a preferred embodiment of the utility model screwdriver bit body;
Fig. 2 is the blast structural representation of middle screwdriver bit body embodiment illustrated in fig. 1;
Fig. 3 is the sectional structure schematic diagram of middle screwdriver bit body embodiment illustrated in fig. 1;
Fig. 4 is the structural representation of middle work package embodiment illustrated in fig. 1;
Fig. 5 is the sectional structure schematic diagram of middle actuator embodiment illustrated in fig. 1 part;
Fig. 6 is the structural representation of another preferred embodiment of work package in the utility model;
Fig. 7 is the sectional structure schematic diagram of middle actuator embodiment illustrated in fig. 1 when its branch sleeve is not also stamped;
Fig. 8 is the sectional structure schematic diagram of a preferred embodiment of the utility model functional accessory;
Fig. 9 is the sectional structure schematic diagram after the functional accessory suit shown in screwdriver bit body shown in Fig. 1 and Fig. 6.
The implication of Reference numeral in figure:
10-work package, 11-working head, 111-operate portions, 112-neck, 12-connecting core insert, 121-transmission section, 121a-main paragraph, 121b-chamfered end, 122-structural sections, 122a-limited impression, 123-insertion core end face.The pivot axis of c-work package;
20-actuator, 21-driving handle, 22-branch sleeve, 221-accommodating section, 221a-is socketed section, 221b-backstop end face, spacing section of 222-, 222a-spacing preiection, 222b-not yet forms the top of the container cavity chamber wall of spacing preiection, 223-sleeve end face, 23-container cavity;
30-accessory body, 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-locating part;
50-magnetic part;
60-work package, 61-working head, 611-operate portions, 612-neck, 62-connecting core insert, 621-transmission section, 622-structural sections, 622a-limited step, 622b-step, 623-insertion core end face, the pivot axis of b-work package.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.
Referring to figs. 1 through preferred embodiment of the utility model shown in Fig. 5, this screwdriver bit is impact screwdriver head, when its work, can be subject to periodic impact, and it mainly comprises: the screwdriver bit body consisting of work package 10 and actuator 20.
Screwdriver bit part has a pivot axis and this pivot axis of how to confirm is that persons skilled in the art are known, at this, does not add and repeats.
It should be noted that, in order to describe easily feature and the correlation of various piece of the present utility model with a common space reference, the utility model adopts as gives a definition: centered by pivot axis, axis is set up cylindrical coordinates, pivot axis be radially this cylindrical coordinates radially, pivot axis be radially this cylindrical coordinates radially, pivot axis be circumferentially the circumferential of this cylindrical coordinates.In case of no particular description, in the utility model, record axially, radially, circumferentially all refer to pivot axis defined above radially, radially, circumferentially.
As a kind of preferred version, work package 10 is provided with the illuminating part (not shown) of being made by luminescent material, if this illuminating part is arranged in work package 10 with endless belt form, the in the situation that of insufficient light, can play the effect of indication.
The direction that relative sliding occurs for work package 10 and actuator 20 is parallel to pivot axis c, and their formed stop configurations have the appearance profile that tilts or intersect vertically with the direction of parallel pivot axis c.
As shown in Figure 2, the front end of work package 10 forms working head 11, rear end forms and connects afterbody, and the front end of actuator forms connection head, rear end forms driving handle 21.Working head 11 is used for realizing and drives screw, and driving handle 21 is mainly used to carry out plug-in mounting with power tool.
Front end when one side at work package 10 places should be the work of screwdriver bit, one side at actuator 20 places is rear end, so work package 10 is defined as connection afterbody for connecting the part of actuator 20, corresponding actuator 20 is defined as connection head for connecting the part of work package 10.Connecting afterbody is that the mutual structure of work package 10 and actuator 20 forms the major part being slidably connected with being connected head, and stop configurations can form with the concrete structure that is connected head by connecting afterbody.
In order to realize being slidably connected of default stroke, work package 10 comprises with actuator 20 stop configurations that forms: be respectively used to stop separated or close first kind stop configurations and the Equations of The Second Kind stop configurations that surpasses default stroke of work package 10 and actuator 20 slips.
First kind stop configurations comprises: the footpath at work package 10 pivot axis c being formed by one of work package upwards exceeds or makes progress lower than or exceed also realizing and contact the second spacing structural portion with the first structural portion of its adjacent part lower than the first structural portion of remainder, the footpath at work package 10 pivot axis c being formed by 20 1 of actuators.
Equations of The Second Kind stop configurations comprises: by work package 10, formed the 3rd structural portion, by actuator 20 is that form, is realized and contact the 4th structural portion coordinating with the 3rd structural portion.
Wherein, the 3rd structural portion comprises: in the footpath of work package pivotal axis, upwards exceed or lower than the first radial structure portion of its adjacent part or/and the first end face structural portion being formed near one end of actuator by work package; The 4th structural portion comprises: in the footpath of work package pivotal axis, upwards exceed or lower than the second radial structure portion of its adjacent part or/and the second end face structure portion being formed near one end of actuator by work package.
Particularly, as shown in Figures 2 to 5, work package 10 is comprised of working head 11 and connecting core insert 12, and actuator 20 is comprised of branch sleeve 22 and driving handle 21.Connecting core insert 12 and branch sleeve 22 are concrete structures of realizing stop configurations.They cooperatively interact, can certainly adopt work package 10 to there is the scheme that branch sleeve while actuator 20 has connecting core insert, but the consideration for reducing to the greatest extent screwdriver bit front end size and be suitable for small space with it, is still the embodiment shown in Fig. 2 to Fig. 5 comparatively reasonable.In addition, in the longer situation of work package 10 integral body, connecting afterbody and may except connecting core insert 12, also have some such as the transition structure of cylinder, positive six prisms etc., also may there is same situation in connection head and branch sleeve 22.
As shown in Figures 2 to 5, work package 10 is comprised of working head 11 and connecting core insert 12, and actuator 20 is comprised of branch sleeve 22 and driving handle 21.
Furthermore, connecting core insert 12 from being divided into successively near one end of branch sleeve 22: the transmission section 121, the part that are contained in completely in branch sleeve 22 are contained in the structural sections 122 branch sleeve 22, structural sections 122 is formed with one as the annular limited impression 122a of lock pin position limiting structure, the container cavity 23 of branch sleeve 22 is divided into: for hold transmission section accommodating section 221, be used to form spacing section 222 of sleeve position limiting structure, spacing section 222 is formed with the spacing preiection 222a coordinating with limited impression 122a; Connecting core insert 12 is formed with insertion core end face 123 near one end of branch sleeve 22, in branch sleeve 22 container cavities 23, is formed with a sleeve end face 223.
Wherein, limited impression 122a is positioned at the cell wall of branch sleeve 22 inner sides and part that spacing preiection 222a is positioned at container cavity 23 inner sides respectively as the first structural portion and the second structural portion.
As a kind of preferred version, shown in Fig. 7, branch sleeve 22 is not when installing connecting core insert (not shown in Fig. 7), it does not also form spacing preiection 222a, the top 222b that now not yet forms the container cavity 23 chamber walls of spacing preiection can do an outwardly open chamfering, after connecting core insert is inserted, integral body is carried out punch process, and the top 222b plastic deformation of chamber wall curves inwardly and forms the spacing preiection 222a shown in Fig. 5.
As a kind of preferred version, be parallel in the direction of pivot axis c, the length of transmission section 121 is less than the length of accommodating section 221, the length that the length of limited impression 122a is greater than spacing section 222 simultaneously, make like this work package 10 and actuator 20 that relative motion can occur vertically, when screwdriver bit bears axial impact, thereby relative motion can occur for work package 10 and actuator 20, relax impact, improve service life.As a kind of extreme version, circumferentially the length that equals accommodating section 221 of transmission section 121, now still can adopt different material and circular gaps to improve service life with work package 10 by actuator 20.
As a kind of preferred version, the hardness of work package 10 is greater than the hardness of actuator 20, and the toughness of the material that adopts of actuator 20 is better than the material that work package 10 adopts.
As a kind of preferred version, transmission section 121 is divided into: main paragraph 121a and shrink and to form chamfered end 121b by main paragraph 121a, and main paragraph 121a is positive six prisms; Accommodating section 221 comprises: with socket section 221a and the backstop end 221b of main paragraph 121a and chamfered end 121b difference corresponding matching; Be parallel in the direction of pivot axis c, the length of socket section 221a is greater than the length of main paragraph 121a; The radial dimension of main paragraph 121a is less than the radial dimension of socket section 221a.Here the radial dimension of the main paragraph 121a of indication and socket section 221a, refers to that they are when being respectively positive six prism entities and positive six prism space, and central shaft is separately to the distance between crest line.
With reference to shown in Fig. 2 to Fig. 5, it should be noted that contacting of the insertion core end face 123 of work package 10 and the sleeve end face 223 of actuator 20 also can make the move toward one another of work package 10 and actuator 20 obtain spacing.Therefore, count in more same can be to being positioned at the cell wall in branch sleeve 22 outsides and the part that spacing preiection 222a is positioned at container cavity 23 outsides near carrying out spacing limited impression 122a, the embodiment shown in Fig. 2 to Fig. 5 be actually possess the first end face structural portion simultaneously, the second end face structure portion and the first radial structure portion and the second radial structure portion.
The insertion core end face 123 of work package 10 is respectively the first end face structural portion, the second end face structure portion with the sleeve end face 223 of actuator 20, and limited impression 122a is positioned at the cell wall in branch sleeve 22 outsides and part that spacing preiection 222a is positioned at container cavity 23 outsides is respectively the first radial structure portion and the second radial structure portion.
As for spacing the telling on of they which groups, will make the structure of which group first come in contact or come in contact simultaneously by design size.
If the dimension plan of design makes the insertion core end face 123 of work package 10 and the sleeve end face 223 of actuator 20 be positioned at the cell wall in branch sleeve 22 outsides and part that spacing preiection 222a is positioned at container cavity 23 outsides prior to limited impression 122a, come in contact and realize spacingly, limited impression 122a is positioned at the cell wall in branch sleeve 22 outsides and part that spacing preiection 222a is positioned at container cavity 23 outsides is actually unnecessary structure so.
In order to save processing technology, reduction procedure, can adopt the work package 60 of another embodiment as shown in Figure 6, in this embodiment, operate portions 611 and the transmission section 621 in connecting core insert 62 in working head 61 all can adopt the same with scheme embodiment illustrated in fig. 3, difference is, connecting core insert 62 is formed with and is different from the 122a of limited impression shown in Fig. 3, and form a limited step 622a in structural sections, the step surface of this step is realized spacing (Fig. 5 is not shown) for coordinating with the spacing preiection of branch sleeve, the step surface of this step can be processed into the side of the frustum of a cone.
Particularly, work package 60 connecting core inserts 62 from being divided into successively near one end of branch sleeve (not shown Fig. 6): the transmission section 621, the part that are contained in completely in branch sleeve (not shown in Fig. 6) are contained in the structural sections 622 in branch sleeve (not shown in Fig. 6), and structural sections 622 is formed with one as the annular limited impression 622a of lock pin position limiting structure.As preferred version,
As preferred version, working head 61 is divided into: operate portions 611, for connecting operate portions 611 and the neck 612 that is connected afterbody; Neck 612 is the cylinder of axle centered by pivot axis b, and its radius is less than the full-size that operate portions 611 makes progress in pivot axis b footpath.Further, between structural sections 622 and neck 612, also can form a technique step 622b.
As the utility model expansion, thereby screwdriver bit of the present utility model also comprises that coordinates the functional accessory that miscellaneous function can be provided that goes up to the periphery in week that is arranged on screwdriver bit body by the part with forming stop configurations in screwdriver bit body except screwdriver bit body.
Shown in Fig. 8 and Fig. 9, this functional accessory 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, spacing in order to realize, 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 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 and Fig. 9, the 3rd section 3013 of body through-holes 301 as main holding portion.Step surface 3021 be mainly used in coordinating with branch sleeve 22 profiles of actuator 20 realize spacing.
For screwdriver bit body (integral body that work package 10 and actuator 20 form) is no longer oppositely exited by direction of insertion, screwdriver bit body and accessory body 30 are departed from, the 3rd section of 3013 places in body through-holes 301 are provided with a groove 303, by one, there is flexible packing ring 50 and pack in groove 303, thereby screwdriver bit body can not oppositely be exited.So far, accessory body 30 is arranged on screwdriver bit body by self structure and packing ring 50.
The hole wall of the first paragraph 3011 of step surface 3022 and body through-holes 301 has formed a cannelure, and it is as the mounting groove of magnetic part 40.Certainly, magnetic part 4 also can adopt other directly and accessory body 30 combinations achieve a fixed connection.4 pairs of screws of magnetic part etc. can produce certain absorption affinity, to realize, hold up nail function.
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.
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 (16)
1. a screwdriver bit, comprising: screwdriver bit body, it is characterized in that, described screwdriver bit body comprises: for the work package of implementation tool function, for to described work package transmitting torque to drive it to carry out the actuator of pivotable around pivot axis; Described work package and actuator formation have being slidably connected of default stroke; Described work package and actuator are formed with and for preventing from sliding relative to one another, surpass the stop configurations of default stroke.
2. screwdriver bit according to claim 1, is characterized in that, the direction of described work package and actuator relative sliding is parallel to pivot axis; Described stop configurations has the appearance profile that tilts or intersect vertically with the direction of parallel pivot axis.
3. screwdriver bit according to claim 2, is characterized in that, described stop configurations comprises: be respectively used to stop described work package and actuator relative separation or close first kind stop configurations and the Equations of The Second Kind stop configurations that surpasses default stroke; Described first kind stop configurations comprises: by described work package, formed in pivot axis footpath, upwards exceed or lower than the first structural portion of remainder, by described actuator, formed in pivot axis footpath upwards lower than or exceed its adjacent part and can realize and contact the second spacing structural portion with described the first structural portion; Described Equations of The Second Kind stop configurations comprises: by described work package form the 3rd structural portion, by described actuator, formed realize with described the 3rd structural portion the 4th structural portion contact cooperation.
4. screwdriver bit according to claim 3, it is characterized in that, described the 3rd structural portion comprises: in pivot axis footpath, upwards exceed or lower than the first radial structure portion of its adjacent part or/and the first end face structural portion being formed near one end of described actuator by described work package; Described the 4th structural portion comprises: in pivot axis footpath, upwards exceed or lower than the second radial structure portion of its adjacent part or/and the second end face structure portion being formed near one end of described actuator by described work package.
5. screwdriver bit according to claim 4, is characterized in that, the front end of described work package forms working head, rear end forms and connects afterbody; The front end of described actuator forms and connects head, rear end formation driving handle; Described work package is formed and is slidably connected with the cooperation that is connected head by the described afterbody that is connected with actuator; Described the first structural portion and the 3rd structural portion are formed at described connection afterbody; Described the second structural portion and the 4th structural portion are formed at described connection head.
6. screwdriver bit according to claim 5, is characterized in that, described connection head comprises: a branch sleeve, and described branch sleeve is formed with a container cavity that one end is uncovered, the other end seals; Described connection afterbody comprises: a connecting core insert coordinating with described branch sleeve, and described connecting core insert is partly contained in described branch sleeve; Described connecting core insert is formed with lock pin position limiting structure, and described branch sleeve is formed with the sleeve position limiting structure for coordinating with described lock pin position limiting structure.
7. screwdriver bit according to claim 6, it is characterized in that, described connecting core insert from being divided into successively near one end of described branch sleeve: be contained in the transmission section in described branch sleeve completely, part is contained in the structural sections in described branch sleeve, described structural sections is formed with one as annular limited impression or the limited step of described lock pin position limiting structure, the container cavity of described branch sleeve is divided into: for holding the accommodating section of described transmission section, be used to form spacing section of described sleeve position limiting structure, described spacing section is formed with the spacing preiection coordinating with described limited impression or limited step, described connecting core insert is formed with insertion core end face near one end of described branch sleeve, is formed with a sleeve end face in described branch sleeve container cavity.
8. screwdriver bit according to claim 7, is characterized in that, is being parallel in the direction of pivot axis, and the length of described transmission section is less than the length of described accommodating section.
9. screwdriver bit according to claim 8, is characterized in that, described transmission section is divided into: main paragraph and the chamfered end being formed by described main paragraph contraction, and described main paragraph is positive six prisms; Described accommodating section comprises: with socket section and the backstop end of described main paragraph and chamfered end difference corresponding matching; In the direction of pivot axis, the length of described socket section is greater than the length of described main paragraph; The radial dimension of described main paragraph is less than the radial dimension of described socket section.
10. according to the screwdriver bit described in claim 1 to 9 any one, it is characterized in that, this screwdriver bit is impact screwdriver head, and the hardness of described work package is greater than the hardness of described actuator.
11. according to the screwdriver bit described in claim 1 to 9 any one, it is characterized in that, also comprise: thus one coordinates the functional accessory that miscellaneous function can be provided that goes up to the periphery in week that is arranged on described screwdriver bit body by the part with forming stop configurations in described screwdriver bit body.
12. screwdriver bits according to claim 11, it is characterized in that, described functional accessory comprises: be sleeved on accessory body in screwdriver bit body periphery, be arranged on described accessory body for described screwdriver bit body being formed to spacing locating part, being arranged on described accessory body or/and the functor on locating part, described accessory body and screwdriver bit formation have being slidably connected of predetermined stroke, and this direction being slidably connected is parallel to pivot axis; Described accessory body is formed with for the described screwdriver bit body body through-holes that at least one end is passed through along first axle, is formed with the logical wall construction that stops described screwdriver bit and accessory body relative sliding to exceed default stroke in described accessory body outer peripheral face or described body through-holes.
13. screwdriver bits according to claim 12, is characterized in that, described wall construction comprises: the first kind wall construction directly contacting with described screwdriver bit body, the Equations of The Second Kind wall construction that is used for installing described locating part; Described first kind wall construction comprises: be formed on the step surface perpendicular to described first axle in described body through-holes; Described Equations of The Second Kind wall construction comprises: projection or external screw thread on the groove in described body through-holes, described accessory body exterior contoured surface.
14. screwdriver bits according to claim 13, is characterized in that, one end of described accessory body is formed with an annular step groove, and described functor is the toroidal cores being arranged in described step groove.
15. according to the screwdriver bit described in claim 1 to 9 any one, it is characterized in that, described work package is provided with the illuminating part of being made by luminescent material.
16. according to the screwdriver bit described in claim 5 to 9 any one, it is characterized in that, described working head is divided into: operate portions, for connecting described operate portions and the described neck that is connected afterbody; Described neck is the cylinder of axis centered by pivot axis, and its radius is less than the full-size that described operate portions makes progress in pivot axis footpath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320394873.6U CN203485091U (en) | 2013-07-02 | 2013-07-02 | Screwdriver head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320394873.6U CN203485091U (en) | 2013-07-02 | 2013-07-02 | Screwdriver head |
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| Publication Number | Publication Date |
|---|---|
| CN203485091U true CN203485091U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320394873.6U Expired - Fee Related CN203485091U (en) | 2013-07-02 | 2013-07-02 | Screwdriver head |
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| CN (1) | CN203485091U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275669A (en) * | 2013-07-02 | 2015-01-14 | 泉峰(中国)贸易有限公司 | Bit |
| 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 CN201320394873.6U patent/CN203485091U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275669A (en) * | 2013-07-02 | 2015-01-14 | 泉峰(中国)贸易有限公司 | Bit |
| GB2529525A (en) * | 2014-07-15 | 2016-02-24 | Chervon Ip Ltd | 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 |
Granted publication date: 20140319 |
|
| CX01 | Expiry of patent term | ||
| 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 |
|
| CU01 | Correction of utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 |