CN204397783U - Cutter head assembly, cutter head clip assembly and the cutter head clip assembly for throw - Google Patents
Cutter head assembly, cutter head clip assembly and the cutter head clip assembly for throw Download PDFInfo
- Publication number
- CN204397783U CN204397783U CN201420463546.6U CN201420463546U CN204397783U CN 204397783 U CN204397783 U CN 204397783U CN 201420463546 U CN201420463546 U CN 201420463546U CN 204397783 U CN204397783 U CN 204397783U
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- CN
- China
- Prior art keywords
- cutter head
- tripping sleeve
- shoulder
- spheroid
- sleeve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/12—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using magnetic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
- B25B23/0035—Connection means between socket or screwdriver bit and tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a kind of cutter head assembly, cutter head clip assembly and the cutter head clip assembly for throw, cutter head assembly comprises the cutter head with axle, this axle have the first end place being arranged on axle the first working region and near this working region and the first reducing diameter part be arranged between the first shoulder and the second shoulder.Cutter head clip assembly comprises tripping sleeve.Tripping sleeve has with the rear portion of a pair opposite windows, the front portion of support magnet and a pair spheroid, and each spheroid is arranged in a window in the window.Tripping sleeve can be received within cutter head, make magnet near the first working region, and spheroid is received within the first reducing diameter part, move between spheroid is against the primary importance of the first shoulder and spheroid against the second place of the second shoulder to allow tripping sleeve.
Description
Technical field
The utility model relates to cutter head and has the cutter head folder of floating magnetic sleeve.
Background technology
This part provide about of the present utility model might not be the background information of prior art.
Auxiliary chuck for electric tool and hand-operated tools has become more and more common, particularly electric tool and hand-operated tools use widely versatility demand and expect day by day to increase.This type of auxiliary chuck allows first of the interchangeable blades of hand-operated tools or electric tool and any amount to use.This result in again the demand of the ease for use inserting this type of chuck to better speed, convenience and cutter head and remove cutter head from this type of chuck.
In this conventional fast assembling-disassembling chuck of an exemplary types, one or more detent balls is positioned in hollow tube-shape cutter head clip main body and the groove that elastic biasing becomes and the circumference on cutter head shank extends or recess engage.In the common U.S. Patent No. 5,988 transferred the possession of, disclose the example of this ball shape gear in 957, the content of above-mentioned United States Patent (USP) incorporated herein by reference.In other conventional fast assembling-disassembling chuck, use spring to be biased folder and cutter head is fastened in cutter head clip main body.At U.S. Patent No. 7,086,813 and the No.6 of common transfer, 929, disclose the example that spring is biased sandwiched meter in 266, the content of above-mentioned United States Patent (USP) is incorporated herein by reference.
Utility model content
This part provides overall content of the present utility model, instead of completely discloses its four corner or its all feature.
Although find that the cutter head folder of the above-mentioned type can work in acceptable mode, but the utility model provide in particular a kind of snap-action chuck assembly or cutter head folder of simple, relative inexpensiveness, this cutter head folder comprises the toroidal magnet of the front end being positioned at the flexible collar, to magnetize securing member and auxiliaryly securing member be retained to cutter head and stablize securing member in installation process.Toroidal magnet can be supported for and allow magnet to float to engage with securing member along forward direction or float to unclamp cutter head to carry out the bit replacing of one-handed performance fast along backward directions.The length of floating is such with the geometry of magnet: allow above-mentioned feature to work with having together with securing member that different head construct, and make all cutter head length all in the industry margin of tolerance of normal acceptance.
The utility model provides a kind of cutter head assembly, comprise: cutter head, it has with first end and the axle of the second end, the first working region being arranged on described first end place and the first reducing diameter part, and described first reducing diameter part is near described first working region and be arranged between the first shoulder and the second shoulder, and tripping sleeve, it has the rear portion with a pair opposite windows, the front portion of support magnet, and a pair spheroid, each spheroid is arranged in a window in described window, it is characterized in that, described tripping sleeve can be received within described cutter head, make described magnet near described first working region, and described spheroid is received within described first reducing diameter part, move between described spheroid is against the primary importance of described first shoulder and described spheroid against the second place of described second shoulder to allow described tripping sleeve, and described first reducing diameter part is configured to, described tripping sleeve moves towards described primary importance, to allow described magnet to attract the head of described securing member while securing member is by described first working region engaging.
Described tripping sleeve also comprises around described spheroid and described a pair spheroid is remained on the spring band in described pair of windows.
Described second end comprises the handle region in the cutter head folder being configured to be maintained at fastened tools.
Described second end comprises the second working region.
Described tripping sleeve alternately can be received within described cutter head, make described magnet near described second working region, and described spheroid is received within described first reducing diameter part, move between described spheroid is against the 3rd position of described first shoulder and described spheroid against the 4th position of described second shoulder to allow described tripping sleeve, and described first reducing diameter part is configured to described tripping sleeve will be moved towards described 4th position, to allow described magnet to attract the head of described securing member while securing member is by described second working region engaging.
Described axle also comprises near described second working region and the second reducing diameter part be arranged between the 3rd shoulder and the 4th shoulder, and described tripping sleeve alternately can be received within described cutter head, make described magnet near described second working region, and described spheroid is received within described second reducing diameter part, move between described spheroid is against the 3rd position of described 3rd shoulder and described spheroid against the 4th position of described 4th shoulder to allow described tripping sleeve, and described second reducing diameter part is configured to described tripping sleeve will be moved towards described 3rd position, to allow described magnet to attract the head of described securing member while securing member is by described second working region engaging.
Described axle comprises the 3rd reducing diameter part be arranged between described first reducing diameter part and described second reducing diameter part.
The utility model also provide for a kind of cutter head clip assembly, comprising: shank, and it is received within the cutter head folder of throw removedly; Main body, it is connected on described shank, and limits the jack with longitudinal axis, and described jack is unlimited at the front end place of described main body, removedly cutter head is received in inside; Annular recess, it is limited in the outer surface of described main body, and has rear shoulder, forward shoulder and axial length; Tripping sleeve, it can be accepted on the body slidably; Elastic keeper, it is connected with the inside of described tripping sleeve, and there is the axial length shorter than the described axial length of described annular recess, described keeper can be received within described annular recess movably, and described tripping sleeve can be floated vertically between described keeper is against the rear position of described rear shoulder and described keeper against the front position of described forward shoulder; And toroidal magnet, it is arranged on the front end of described tripping sleeve, to magnetize the securing member engaged by cutter head, it is characterized in that, the stand that described tripping sleeve can move backward to described elastic keeper shoulder in the rear further vertically rear from described rear position engages with main body, makes it possible to remove cutter head from described jack.
Described elastic keeper to comprise when described tripping sleeve moves to described stand distortion and with described rubs ground the elasticity C type circle that engages or elastomeric O-type circle.
In order to cutter head being remained in described cutter head clip assembly, described main body comprises the snap ring in described jack, spheroid in described jack, magnet cutter head remained in described jack in described jack, there is the thread cap of snap ring, or elongated axial inner groovy and at least one in being received within described axial inner groovy elongate resilient fingers, described fingers has and is configured to radially inwardly extend in described jack cutter head remained on the front end in described jack and to be connected in actuator sleeve to make the rear end of the elastic front end of described fingers movement between latched position and released position.
The utility model additionally provides a kind of cutter head clip assembly, comprising: shank, and it is received within the cutter head folder of throw removedly; Main body, it is connected on described shank, and limits the jack with longitudinal axis, and described jack is unlimited at the front end place of described main body, removedly cutter head is received in inside; It is characterized in that, elongate resilient fingers, it extends in the axial direction along described main body and has and is configured to radially inwardly extend in described jack cutter head to be remained on the front end in described jack; Actuator sleeve, it is connected on described elongate resilient fingers, move between latched position and released position to make described elongate resilient fingers, in described latched position, described front end edge radially-inwardly extend in described jack to engage with cutter head, in described released position, described front end edge is radially outward mobile to allow to unclamp cutter head from described jack; Annular recess, it is limited in the outer surface of described main body, and has rear shoulder, forward shoulder and axial length; Tripping sleeve, it can be accepted on the body slidably; Keeper, it is connected with the inside of described tripping sleeve, and there is the axial length shorter than the described axial length of described annular recess, described keeper can be received within described annular recess movably, and described tripping sleeve can be floated vertically between described keeper is against the rear position of described rear shoulder and described keeper against the front position of described forward shoulder; And toroidal magnet, it is arranged on the front end of described tripping sleeve, to magnetize the securing member engaged by cutter head.
The utility model has reoffered a kind of cutter head clip assembly for throw, it is characterized in that, comprise: main body, it has the shank that is positioned at end thereafter and is formed in the second end and inserts the coaxial jack of entering to allow cutter head, and the outer surface of described main body comprises the threaded portion being positioned at described second end place; Thread cap, it has the internal thread that engages with the described threaded portion of described main body and O type circle is fixed on the open end place of described coaxial jack; And tripping sleeve, it can be slidably arranged in described main body, and comprises the toroidal magnet of the front end being arranged on described tripping sleeve, to magnetize securing member, described securing member is retained to described cutter head.
The utility model provides the main body of the axially extending hexagonal hole had for receiving hexagon cutter head.The flexible collar that spring is biased to be arranged in main body and with for releasably by hex tool, the device remained in hole engages.The flexible collar supports the magnet being positioned at its front end, and allows this magnet to float along forward direction, to engage and to magnetize the securing member engaged with cutter head.Magnet can be the form of toroidal magnet and can be fixedly mounted on the flexible collar, and wherein, this magnet makes the flexible collar move along forward direction.Alternatively, the flexible collar can comprise tripping sleeve, this tripping sleeve support magnet and allow magnet to float forward relative to the remainder of the flexible collar.
According to another aspect of the present utility model, cutter head sandwiched is equipped with the floating toroidal magnet be supported on cutter head folder.This cutter head folder can be the multitool head-clamp such as pivotable cutter head folder or the such as six directions one throw.
According to another aspect of the present utility model, cutter head is provided with the tripping sleeve of front end toroidal magnet being supported on cutter head.Tripping sleeve can utilize and disclosed various technology is in this article supported on cutter head.Cutter head can be the torsion cutter head comprising shank and working region, is provided with undergauge torsion region between shank and working region.Undergauge torsion region have be positioned at torsion region leading section and rearward end on shoulder to contribute to tripping sleeve to remain on cutter head.
According on the other hand, provide a kind of magnet assembly for being remained on by securing member on cutter head, this magnet assembly comprises tripping sleeve and is arranged on first toroidal magnet of front end of tripping sleeve.The rearward end place of tripping sleeve is provided with the second toroidal magnet, wherein, first toroidal magnet and the second toroidal magnet are arranged to make magnetic pole toward each other, and tripping sleeve can be moved freely along the length of cutter head, and the first annular magnet configurations is engage with the head of securing member.First toroidal magnet and the second toroidal magnet are arranged to about 10mm apart, and can comprise the O type circle be arranged between the first toroidal magnet and the second toroidal magnet in the inside of sleeve, to stop tripping sleeve moving along cutter head.
By reading description provided in this article, further application will become apparent.Explanation in the utility model content and instantiation just for illustrative purposes, and are not intended to limit scope of the present utility model.
Accompanying drawing explanation
Accompanying drawing described herein only for illustration of selected embodiment but not all possible embodiment, and is not intended to limit scope of the present utility model.
Figure 1A to Fig. 1 C is the partial sectional view of the cutter head clip assembly according to embodiment;
Fig. 1 D is the partial sectional view of the cutter head clip assembly according to embodiment;
Fig. 1 E is the partial sectional view of the cutter head clip assembly according to embodiment;
Fig. 2 is the plane of the collar type keeper used in the embodiment of Figure 1A to Fig. 1 E;
Fig. 3 A and Fig. 3 B is the plane of elastomeric O-type circle and the elasticity C type circle that can use in the embodiment of Figure 1A to Fig. 1 E;
Fig. 4 is the partial sectional view pressed from both sides according to the cutter head of another embodiment of principle of the present utility model;
Fig. 5 is the perspective view of the spheroid that uses of embodiment according to Fig. 4 and spring band;
Fig. 6 is the side plan view of the optional cutter head clip assembly according to principle of the present utility model;
Fig. 7 A is the longitudinal direction of the cutter head clip assembly of Fig. 6 or axial sectional view;
Fig. 7 B is the longitudinal direction of the embodiment of the cutter head clip assembly of Fig. 6 or axial sectional view;
Fig. 8 is the side plan view of the main part of the cutter head clip assembly shown in Fig. 6;
Fig. 9 is the longitudinal direction of the tripping sleeve of the cutter head clip assembly of Fig. 6 or axial sectional view;
Figure 10 is the perspective view according to cutter head of the present utility model and the design of optional tripping sleeve;
Figure 11 is the sectional view of the cutter head shown in Figure 10 and tripping sleeve, and tripping sleeve is positioned at front position;
Figure 12 is the sectional view of the cutter head shown in Figure 10 and tripping sleeve, and tripping sleeve is positioned at rear position;
Figure 13 is the perspective view of the tripping sleeve shown in Figure 10;
Figure 14 is the side plan view of the tripping sleeve shown in Figure 10;
Figure 15 is the longitudinal sectional view of the tripping sleeve shown in Figure 10;
Figure 16 is the side plan view of the cutter head shown in Figure 10;
Figure 17 A is the sectional view of cutter head according to another embodiment of the present utility model and tripping sleeve, and shown tripping sleeve is positioned at forward facing position;
Figure 17 B is the sectional view of the cutter head shown in Figure 17 A and tripping sleeve, and tripping sleeve is positioned at position backward;
Figure 18 is the perspective view of the tripping sleeve shown in Figure 17 A;
Figure 19 is the longitudinal sectional view of the tripping sleeve assembly shown in Figure 17 A;
Figure 20 is the longitudinal sectional view of the tripping sleeve shown in Figure 17 A;
Figure 21 is the side plan view of the tripping sleeve shown in Figure 17 A;
Figure 22 is the sectional view of cutter head according to another embodiment of the present utility model and tripping sleeve;
Figure 23 is the sectional view of the tripping sleeve with optional cutter head shown in Figure 22;
Figure 24 is the perspective view of the tripping sleeve assembly shown in Figure 22;
Figure 25 is the view sub-anatomy of the tripping sleeve shown in Figure 22;
Figure 26 is the sectional view of the tripping sleeve shown in Figure 22, and tripping sleeve is positioned at rear position;
Figure 27 is the sectional view of the tripping sleeve shown in Figure 22, and tripping sleeve is positioned at front position;
Figure 28 is the sectional view of cutter head according to another embodiment of the present utility model and tripping sleeve;
Figure 29 is the side plan view of the cutter head shown in Figure 28;
Figure 30 is the sectional view of cutter head according to another embodiment of the present utility model and tripping sleeve;
Figure 31 is the side plan view of the cutter head shown in Figure 30;
Figure 32 is the partial cutaway perspective view of another embodiment of cutter head clip assembly;
Figure 33 A and Figure 33 B is the biopsy cavity marker devices plane of the cutter head clip assembly of Figure 32;
Figure 33 C is the biopsy cavity marker devices plane of the embodiment of the cutter head clip assembly of Figure 32;
Figure 34 A to Figure 34 C is the plane of the various holding members used together with the cutter head clip assembly of Figure 33 A to Figure 33 C;
Figure 35 is the side view of the both-end cutter head used together with the floating magnetic sleeve of Figure 10;
Figure 36 is the side view of the cutter head of the Figure 35 be received within the floating magnetic sleeve of Figure 10;
Figure 37 A and Figure 37 B is the sectional view of the cutter head of Figure 35, on the first working region that the floating magnetic sleeve of Figure 10 is received within cutter head and the second working region;
Figure 38 is the side view of another embodiment of the both-end cutter head used together with the floating magnetic sleeve of Figure 10;
Figure 39 is the side view of another embodiment of the both-end cutter head used together with the floating magnetic sleeve of Figure 10.In several views of institute's drawings attached, corresponding Reference numeral represents corresponding parts.
Detailed description of the invention
In several views of institute's drawings attached, corresponding Reference numeral represents corresponding parts.
More all sidedly exemplary embodiment is described referring now to accompanying drawing.
Exemplary embodiment is provided to make disclosure of the present utility model can by protection domain thoroughly and convey to those skilled in the art fully.A large amount of details such as the example of such as concrete parts, apparatus and method are set forth, to provide fully understanding embodiment of the present utility model.Obviously for a person skilled in the art, not necessarily need to adopt specific details, this exemplary embodiment can be implemented in many different forms, and should not be interpreted as the restriction to scope of the present utility model.In some exemplary embodiments, known method, known apparatus structure and known technology are not described in detail at this.
Term used herein is only used to describe certain exemplary embodiments, is not intended to limit.Unless pointed out clearly in context, singulative " " used in this article, " one " and " described " also can be intended to comprise plural form.Term " comprises ", " containing ", " comprising " and " having " be open, therefore represent the feature described in existing, entirety, step, operation, element and/or parts, but do not get rid of existence or add one or more further feature, entirety, step, operation, element, parts and/or its combination.To carry out in order unless otherwise specified, otherwise method step as herein described, process and operation should not be construed as must need with discussion or shown certain order carry out.It is also understood that and can adopt additional or optional step.
When element or layer referred " ... on ", " being engaged to ", " being connected to " or " being coupled to " another element or layer time, it can be located immediately on this another element or layer, directly and engage with this another element or layer, directly with this another element or layer is connected or be directly coupled with this another element or layer, or also can there is intermediary element or intermediate layer.In contrast, when element referred " being located immediately on another element or layer ", " being directly engaged to another element or layer ", " being directly connected to another element or layer " or " being directly coupled to another element or layer ", there is not intermediary element or intermediate layer.Other term for describing the relation between element should make an explanation in a comparable manner (such as, " between " with " be located immediately at ... between ", " adjacent " and " direct neighbor " etc.).Any and all combinations of one or more associated listed items as used herein the term " and/or " includes.
Although may describe various element, parts, region, layer and/or part by term first, second, third, etc. in this article, these elements, parts, region, layer and/or part should by the restrictions of these terms.These terms can only for distinguishing an element, parts, region, layer or part and another region, layer or part.Unless explicitly pointed out at context, otherwise when the terms such as such as " first ", " second " and other numerical terms use in this article, do not imply order or order.Therefore, when not departing from the instruction of exemplary embodiment, below discuss the first element, parts, region, layer or part can be called the second element, assembly, region, layer or part.
Such as " interior ", " outward ", " under ", " below ", D score, " top ", " on " etc. the use in this article of spatial coherence term be for convenience of description an element as shown in drawings or feature about the relation of another or multiple element or feature.Spatial coherence term, except containing the orientation that describes in accompanying drawing, can also be intended to the different orientation containing the device used or in operation.Such as, if the device in accompanying drawing is squeezed, be described as other element or feature " below " or " under " so element will be oriented to " top " at other element or feature.Like this, exemplary term " below " can contain above and below two orientations.Described device can otherwise orientation (rotate 90 degree or be in other orientation), and spatial coherence used herein describes language and also correspondingly makes an explanation.
Referring to figs. 1A to Fig. 1 C, cutter head folder 160 is shown as and comprises hexagon or polygon shank 162 and main part 164, and main part 164 comprises and is positioned at its end and for receiving hexagon or the polygonal hole 166 of cutter head 40.The outer surface of main body 164 is provided with elongated annular recess 168.The end of main body 164 is provided with tripping sleeve 170, and tripping sleeve 170 supports toroidal magnet 50 in its end.Tripping sleeve 170 comprises keeper 174 is received in annular groove 172 in inside.By forcing main body 164 to be coupled to until keeper 174 is received within the recess 168 of main body 164 in the rear aperture 176 of tripping sleeve 170, tripping sleeve 170 can removably be connected with main body 164.
Recess 168 is provided with the forward shoulder 178 and rear shoulder 180 that allow tripping sleeve 170 to advance along fore-and-aft direction as shown by arrow A, and shoulder 178,180 is by limiting advancing of tripping sleeve 170 with the engaging of holding member 174 simultaneously.Therefore, free floating between the rear position that engages with rear shoulder 180 of the tripping sleeve front position that can engage with forward shoulder 178 at keeper 174 as shown in Figure 1B and keeper 174 as shown in Figure 1 C.As shown in Fig. 2, Fig. 3 A and Fig. 3 B, keeper 174 can adopt following form: non-elastic component or the elastic collar 174A as shown in Figure 2 such as such as steel, or the such as elastomeric element such as elastomeric O-type circle 174B as shown in Figure 3A or elasticity C type circle 174C as shown in Figure 3 B.Tripping sleeve 170 allows toroidal magnet 50 to float forward under the effect of its magnetic force, to engage with the head of securing member and to magnetize securing member, thus improves the maintenance of securing member and cutter head 40.
With reference to figure 1D, in an alternative embodiment, tripping sleeve 170 can also move backward to the stand making keeper 174 be positioned at the rear of rear shoulder 180.In the present embodiment, keeper 174 comprises flexible member (such as elastomeric O-type circle 174B or elasticity C type circle 174C), and when sleeve 170 is pulled back stand vertically, flexible member is stretched and stretches.The elastic keeper 174 stretched in a sealing manner with the external wall friction of main part 164 engage, so that sleeve is remained on stand, until outer sleeve is withdrawn into forward a position in the floating position shown in Figure 1A to Fig. 1 C by user.The front end 179 of the contiguous main part 164 of the interior shoulder 177 on the front end of sleeve 170, is moved beyond stand further backward to prevent sleeve 170.In stand, user more easily grasps cutter head 40 and remove cutter head 40 from jack 166.With reference to figure 1E, in another embodiment, main part 164 can be formed with the annular being positioned at annular recess 168 rear and park groove 175, more reliably keeper 174 and sleeve 170 are remained on stand.
As an alternative, as shown in Figure 4, cutter head folder 160 ' can use the optional keeper of spheroid 190 form, spheroid 190 can be received within the opening 192 of tripping sleeve 170 ', and the annular elastomeric spring buckle 194 be made up of steel or plastics or other suitable material can be utilized to remain in opening 192.Spheroid is received within annular recess 168 ', floats between the rear position that the front position that tripping sleeve 170 ' can be engaged with the forward shoulder 178 ' of annular recess 168 ' at spheroid 190 and spheroid engage with the rear shoulder 180 ' of annular recess 168 '.In operation, cutter head folder 160,160 ' may be used for engaging with securing member via cutter head 40, and tripping sleeve 170,170 ' allows toroidal magnet 50 to float forward under the effect of its magnetic force, to engage with securing member and to magnetize securing member, thus improves the maintenance of securing member and cutter head 40.In an alternative embodiment, tripping sleeve 170 ' can move to and make spheroid 190 be arranged in the rear of rear shoulder 180 ' and snap into the stand of parking groove of main part 164 or main part 164, so that more easily remove cutter head 40.
With reference to figure 6, Fig. 7 A, Fig. 8 and Fig. 9, disclosed cutter head clip assembly 470 comprises main body 472 and tripping sleeve 474.Main body 472 comprises the first end being limited with shank 476 and the second end being limited with polygonal-shaped cavities 478, and polygonal-shaped cavities 478 maybe can have other polygonal shape for hexagon.At the inner place of polygonal-shaped cavities 478, can be provided with for magnet 482 being received in inner additional holes 480.The threaded portion 484 being suitable for receiving thread cap 486 is comprised at the outer surface at the second end place of main body 472.Thread cap 486 comprises the internal thread 488 engaged with threaded portion 484.Thread cap 486 also comprises the shoulder 490 extended radially inwardly, shoulder 490 by O type circle 492 vertically pintle hook lock between shoulder 490 and the end face 494 of main body 472.In the rear end of threaded portion 484, be formed with the annular groove 496 with forward shoulder 498.At the rearward end place of thread cap 486, be formed with the shoulder 500 for engaging with shoulder 498 in the front end of annular groove 496.Shoulder 498,500 limits thread cap 486 axially-movable forward vertically.
When cutter head 40 (not shown) is inserted in polygonal-shaped cavities 478, thread cap 486 can be fastened on O type circle 492, O type circle 492 is radially inwardly stretched, to snap into cutter head 40 and cutter head 40 is fixed in cavity 478.In order to remove cutter head 40, thread cap 486 can be rotated to discharge the chucking power on O type circle 492, thus allow O type circle 492 depart from cutter head 40 and allow to remove cutter head 40.
Main body 472 also comprises the annular groove 502 of the middle position be positioned in main body 472.Annular groove 502 to be arranged in the outer surface of main body and to be elongated vertically, to receive C shape collar 504, C shape collar 504 to be received within the annular recess 506 on the inside of tripping sleeve 474.C shape collar 504 can be advanced vertically along the length of annular groove 502, floats along the longitudinal direction to allow tripping sleeve 474.Annular groove 502 has the forward shoulder of the axially-movable of restriction tripping sleeve and rear shoulder.C shape collar 504 is flexible, and to allow to remove tripping sleeve 474 from main body 472, thus it is fastening and unclamp thread cap 486 to touch thread cap 486, neutralizes and removes cutter head to allow cutter head 40 to be inserted into polygonal-shaped cavities 478 from polygonal-shaped cavities 478.The leading section of tripping sleeve 474 supports toroidal magnet 50, and toroidal magnet 50 is allowed to move along the longitudinal direction, to engage and to magnetize securing member, securing member is retained to cutter head 40.Spacer sleeve 508 can be arranged on the rear of toroidal magnet 50, and can be limited the motion backward of tripping sleeve 474 by the engaging of the leading section with thread cap 486.
In operation, shank 476 directly can be inserted in drilling tool or via fast assembling-disassembling chuck assembly and indirectly be inserted in drilling tool.Tripping sleeve 474 can remove from main body 472, and cutter head 40 can be inserted in polygonal-shaped cavities 478.Cutter head 40 is drawn onto the position the most rearward in polygonal-shaped cavities 478 by magnet 482.Then, along backward directions R binding thread cap 486, to make O type circle 492 radially inwardly stretch while being compressed, thus cutter head 40 can be snapped into and cutter head 40 is fixed in polygonal-shaped cavities 478.Then, tripping sleeve 474 can slide on the end of main body 472, so that C shape collar 504 is received within the axially-movable limiting tripping sleeve 474 in annular groove 502.When securing member 54 (not shown) engages with cutter head 40, tripping sleeve 474, under the impact of toroidal magnet 50, can slide axially forward and snap into securing member 54, thus magnetizes securing member 54 and securing member 54 is retained to cutter head 40.
With reference to figure 7B, in an alternative embodiment, cutter head clip assembly 470 ' can comprise the tripping sleeve 474 ' of aforementioned body 472, shank 476 and thread cap 486 and modification.Tripping sleeve 474 ' can comprise the keepers 504 ' such as such as O type in the annular groove 502 on the outside being received within main body 472 or C type elastic ring, floats between the front position that forward shoulder 503 and the rear shoulder 501 by annular groove 502 limits and rear position to allow tripping sleeve 474 '.As mentioned above, tripping sleeve 474 ' supports toroidal magnet 450, and toroidal magnet 450 is allowed to move along the longitudinal direction, to engage with securing member and to magnetize securing member, securing member is retained to cutter head 40.Tripping sleeve 474 ' is with the difference of the tripping sleeve 474 of Fig. 7 A: there is not distance piece 508, and tripping sleeve 474 ' can move backward to stand as shown in figure 7b further.In stand, the outer wall of keeper 504 ' and main body 472 (or be formed in parking groove in the outer wall of main body 472) engages.This makes thread cap 486 expose, thus when without the need to removing tripping sleeve 474 ' from main body 472, can remove thread cap 486 from main body 472.
With reference to figures 10 to Figure 16, be described to the alternate configurations of the tripping sleeve 510 according to principle of the present utility model now.Tripping sleeve 510 comprises the elongated annular recess 512 on its outer surface and in elongated annular recess 512, extends through a pair convergent window 514 of sleeve 510 relative to one another.Window 514 is all at internal admission spheroid 516, and spring band 518 to be received within elongated annular recess 512 and to be arranged on the top of spheroid 516 and spheroid 516 is fixed on tapered window 514.Spheroid 516 is designed to be received within the reducing diameter part 306 between forward shoulder 308 and rear shoulder 310 of cutter head 300, to limit tripping sleeve 510 axially-movable along the longitudinal direction.
Cutter head 300 is being inserted into period in tripping sleeve 510, be inserted in the working region 304 of cutter head 300 in sleeve 510 or while removing from sleeve 510, spring band 518 allows spheroid 516 to be driven radially outwardly under the effect of the spring force of spring band 518.When spheroid 516 arrives the reducing diameter part 306 of cutter head 300, spheroid 516 radially moves inward, thus the power that spring band 518 acts on spheroid 516 reduces.It is intended to the spheroid 516 when the forward shoulder 308 of spheroid 516 and reducing diameter part 306 and rear shoulder 310 engage and provides interference, but does not provide large resistance to sleeve 510 along the floating motion of cutter head 300.Toroidal magnet 50 is arranged on the front end of tripping sleeve 510, and is designed to magnetize securing member 54 (not shown) engaged with cutter head 300.Figure 11 shows the tripping sleeve 510 being in front position, and Figure 12 shows the tripping sleeve 510 being in rear position.
In addition, with reference to Figure 35 and Figure 36, tripping sleeve 510 can be received within the end of both-end cutter head 900.Both-end cutter head 900 comprises axle 902, and axle 902 has the first operate portions (such as, screwdriver heads) 904 being positioned at first end 906 place and the second operate portions (such as, screwdriver heads) 908 being positioned at the second end 910 place.Axle also comprises the first reducing diameter part 912 near the first operate portions 904 and the second reducing diameter part 914 near the second operate portions 908.In reducing diameter part 912,914 each by near relevant work portion 904,908 forward shoulder 916,918 and limit away from the rear shoulder 920,922 in relevant work portion 904,908.Reducing diameter part 912,914 can be used as to reduce the torsion region of distorting stress in axle 902 and damage.
First shank 924 is adjacent with the second operate portions 908 with the first operate portions 904 with the second shank 926, and each in the first shank 924 and the second shank 926 is separately positioned between relevant work portion 904,908 and reducing diameter part 912,914.Shank 924,926 all has hexagonal cross section and is interrupted by annular groove 928,930.When the second working region 908 is for driving securing member, the first shank 924 is configured to be maintained in the cutter head folder of fastened tools.When the first working region 904 is for driving securing member, the second shank 926 is configured to be maintained in the cutter head folder of fastened tools.The pars intermedia 932 equally with hexagonal cross-section is provided with between reducing diameter part 912,914.
In addition, with reference to figure 37A and Figure 37 B, tripping sleeve 510 to be received within the first end 906 of cutter head 900 (Figure 37 A) alternatively or to be received within (Figure 37 B) on the second end 910 of cutter head 900.Cutter head 900 is being inserted into period in tripping sleeve 510, be inserted in sleeve 510 or while removing from sleeve 510 in the working region 904,908 of cutter head 900, spring band 518 allows spheroid 516 to be driven radially outwardly under the effect of the spring force of spring band 518.When spheroid 516 arrives corresponding reducing diameter part 912,914 of cutter head 900, spheroid 516 radially moves inward, thus the power that spring band 518 acts on spheroid 516 reduces.When the forward shoulder 916,918 of spheroid 516 and the first reducing diameter part 912 and the second reducing diameter part 914 and rear shoulder 920,922 engage, spheroid 516 provides interference, but does not provide excessive resistance to sleeve 510 along the floating motion of cutter head 900.The toroidal magnet 50 being arranged on the front end of tripping sleeve 510 floats forward, to attract and to magnetize the head (not shown) engaged with the relevant work region 904,908 of cutter head 900 of securing member.
With reference to Figure 38, another embodiment of the both-end cutter head 900 ' used together with tripping sleeve 510 comprises axle 902 ', axle 902 ' have be positioned at first end 906 ' place the first operate portions (such as, screwdriver heads) 904 ' and be positioned at second operate portions (such as, screwdriver heads) 908 ' at the second end 910 ' place.Axle comprises the single reducing diameter part 912 ' be equidistantly arranged between the first operate portions 904 ' and the second operate portions 908 '.Reducing diameter part 912 ' is limited by the first shoulder 916 ' near the first operate portions 904 ' and the second shoulder 920 ' near the second operate portions 908 '.Reducing diameter part 912 ' can be used as to reduce the torsion region of distorting stress in axle 902 ' and damage.
First shank 924 ' is adjacent with the second operate portions 908 ' with the first operate portions 904 ' with the second shank 926 ', and each in the first shank 924 ' and the second shank 926 ' is separately positioned on relevant work portion 904 ', between 908 ' and reducing diameter part 912 '.Shank 924 ', 926 ' all has hexagonal cross section and is interrupted by annular groove 928 ', 930 '.When the second working region 908 ' is for driving securing member, the first shank 924 ' is configured to be maintained in the cutter head folder of fastened tools.When the first working region 904 ' is for driving securing member, the second shank 926 ' is configured to be maintained in the cutter head folder of fastened tools.On the first end 906 ' that tripping sleeve 510 is received within cutter head 900 ' alternatively or the second end 910 '.In either case, spheroid 516 is received within reducing diameter part 912 ', and moves between the first shoulder 916 ' and the second shoulder 920 ', thus allows tripping sleeve 510 to float relative to the relevant work region 904 ', 908 ' of cutter head 900 '.
With reference to Figure 39, the both-end cutter head 900 used together with tripping sleeve 510 " another embodiment comprise axle 902 ", axle 902 " have be positioned at first end 906 " first operate portions at place (such as, screwdriver heads) 904 " and be positioned at the second end 910 " second operate portions (such as, screwdriver heads) 908 at place ".Axle also comprises near the first operate portions 904 " the first reducing diameter part 912 " and near the second operate portions 908 " the second reducing diameter part 914 ".Reducing diameter part 912 ", 914 " in each respectively by near relevant work portion 904 ", 908 " forward shoulder 916 ", 918 " and away from relevant work portion 904 ", 908 " rear shoulder 920 ", 922 " limit.Reducing diameter part 912 ", 914 " can be used as to reduce axle 902 " in distorting stress and the torsion region of damage.
First shank 924 " and the second shank 926 " with the first operate portions 904 " and the second operate portions 908 " adjacent, the first shank 924 " and the second shank 926 " in each be separately positioned on relevant work portion 904 ", 908 " and reducing diameter part 912 ", 914 " between.Shank 924 ", 926 " all there is hexagonal cross section and by annular groove 928 ", 930 " interrupt.When the second working region 908 " for driving securing member time, the first shank 924 " be configured to be maintained in the cutter head folder of fastened tools.When the first working region 904 " for driving securing member time, the second shank 926 " be configured to be maintained in the cutter head folder of fastened tools.At reducing diameter part 912 ", 914 " between be provided with the pars intermedia 932 with hexagonal cross-section " and the 3rd reducing diameter part 934 ".3rd reducing diameter part 934 " can be used as to reduce axle 902 " in distorting stress and another torsion region of damage.Tripping sleeve 510 is received within cutter head 900 alternatively " first end 906 " or the second end 910 " on.In either case, spheroid 516 is received within reducing diameter part 912 " in, and at the first shoulder 916 " and the second shoulder 920 " between move, thus allow tripping sleeve 510 relative to cutter head 900 " relevant work region 904 ", 908 " float.
Figure 17 to Figure 21 shows the alternate configurations of tripping sleeve 530, and tripping sleeve 530 is provided with the structure identical with tripping sleeve 510, but external dimensions is different with outward appearance.Therefore, the same reference numerals of parts being used for describing tripping sleeve 510 is used for the parts of tripping sleeve 530, and the detailed description of tripping sleeve 530 is not considered to necessary, just to note, its size is different from the size of annular magnet assembly 510, for use in the dissimilar cutter head with less work head region and/or longer reducing diameter part.
With reference to Figure 22 to Figure 27, will be described optional cutter head assembly 550 now.The tripping sleeve 556 that cutter head assembly 550 comprises cutter head 552, is received within the pedestal collar 554 on cutter head 552 and is received within slidably on the pedestal collar 554.The inside convergent in front end of tripping sleeve 556.This prevents user to be connected to backward on cutter head by sleeve intuitively.
As shown in figure 22, cutter head 552 can be the type comprising shank 558 and working end 560, and reducing diameter part 561 and annular groove 562 are arranged on the centre position of cutter head 552.As selection, as shown in figure 23, cutter head 552 ' can comprise the groove being positioned at the comer edge place of hexagon shank 558 replacing annular groove 562.
The pedestal collar 554 comprises the inner groovy 568 snap ring 570 being received in inside.Snap ring 570 is designed to be received within the annular groove 562 of cutter head 552 or is received within the groove 564 of optional cutter head 552 '.The pedestal collar is fixed on cutter head 552,552 ' by snap ring 570.The pedestal collar 554 comprises reducing diameter part 572, and reducing diameter part 572 has the groove 574 being arranged in its outer surface.The rearward end place of reducing diameter part 572 is provided with stop shoulder 576.Tripping sleeve 556 is received within reducing diameter part 572 movably.Tripping sleeve 556 comprises the interior annular groove 578 receiving snap ring 580 (it is received within groove 574).Snap ring 580 limits the motion of tripping sleeve 556 by the forward shoulder 582 of annular groove 578 and rear shoulder 584.The rearward end 586 of tripping sleeve 556 engages with the stop shoulder 576 of the pedestal collar 554.Toroidal magnet 50 is received within the front end of tripping sleeve 556, and is designed to magnetization securing member securing member to be retained to the working head region 560 of cutter head 552.
With reference to the pedestal collar 554 ' of cutter head assembly 550 of Figure 28 to Figure 31, Figure 22 to Figure 27 be modified to comprise to engage with the forward shoulder 592 of the reducing diameter part 561 of cutter head 552 in shoulder 590.Shoulder 590 and snap ring 570, relative to the cutter head 552 fixed pedestal collar 554 ', make it possible to the motion controlling tripping sleeve 556 better.Figure 28 and Figure 30 shows the modified base collar 554 ' engaged with optional cutter head 552,552 '.
With reference to Figure 32 to Figure 34 C, cutter head clip assembly 800 comprises the main part 820 be connected with shank 840 and the tripping sleeve 810 be received within main part 820.Main part 820 and shank 840 are similar to sleeve 20 and the connecting rod 40 that name is called the cutter head folder described in U.S. Patent Application Publication No.2012/0126497 (' 497 application) of " Small Outer Diameter Quick Release Extension Rod (little external diameter fast assembling-disassembling stretching bar) ", and this application incorporated herein by reference.As ' 497 application in greater detail, main body 820 comprise be configured to receiving cutter head 40 jack 823.A counter-lateral quadrents incorporating section 832 is limited with around jack 823.A pair elongate elastic members 870 is respectively received in sidepiece incorporating section 832.Each elongate elastic members 870 is sheet and comprises the main part 871 be connected to by pushing away between end 872 and co-end 873, and co-end 873 extends from main part 871 with the angle of approximate 45 ± 15 degree.
Actuator sleeve 830 is received within the rear end of shank 840 and main body 820, and can move vertically relative to main body 820 and shank 840.Back-moving spring 860 is axially kept by the first locating ring 850 be fixedly attached on shank 840.Back-moving spring 860 is towards front position or latched position bias actuator sleeve 830.Actuator sleeve 830 is fixedly attached on the second locating ring 880.Second locating ring 880 is fixedly attached to being pushed away on end 872 of elongate elastic members 870.When actuator sleeve 830 is in its front position (as shown in Fig. 4 of ' 497 applications), the co-end 873 of elongate elastic members 870 extend in jack 823, to snap into cutter head 40 and to be remained in jack 823 by cutter head 40.When the power (as shown in Fig. 6 of ' 497 applications) that actuator sleeve 830 overcomes back-moving spring 860 is recalled, second locating ring 880 pulls the end 872 of elongate elastic members 870, to make co-end 873 recall from jack 823, thus make it possible to remove cutter head 40 from jack 823.
The inside of jack 823 is ejecting mechanisms 890, and ejecting mechanism 890 comprises plunger 891, magnetic element 892 and flexible member 893.Magnetic element 892 is arranged on one end of plunger 891, and the other end of plunger 891 is resisted against on one end of flexible member 893.The other end of flexible member 893 is resisted against on the end of connecting rod 840.Magnetic element 892 faces the front end of jack 823.When cutter head is inserted in jack 823, compression elastic element 893.When unclamping cutter head from jack 823, flexible member 893 promotes plunger 891 towards the openend of jack, thus makes cutter head be ejected jack 823 at least in part.This contributes to removing cutter head from jack 823.When pullback actuators sleeve 830 unclamps cutter head, magnetic element 892 prevents cutter head from being ejected from jack 823 completely.
The outer surface of main body 820 is provided with elongated annular recess 812.Tripping sleeve 810 is substantially around main body 820 and at the end of tripping sleeve 810 support toroidal magnet 814.Tripping sleeve 810 comprises keeper 818 is received in interior annular groove 816.By forcing main body 820 to be coupled to until keeper 818 is received within the recess 812 of main body 820 in the after-opening 822 of tripping sleeve 810, tripping sleeve 810 can removably be connected with main body 820.
Recess 812 is provided with the forward shoulder 824 and rear shoulder 826 that allow tripping sleeve 810 to advance along fore-and-aft direction as shown by arrow A, and shoulder 824,826 is by limiting advancing of tripping sleeve 810 with the engaging of holding member 818 simultaneously.Therefore, free floating between the rear position that tripping sleeve can engage with rear shoulder 826 at keeper 818 as shown in figure 33 a and the front position that the keeper 818 as shown in Figure 33 B engages with forward shoulder 824, and toroidal magnet 814 can engage with the head of threaded fastener 819.As shown in Figure 34 A to Figure 34 C, keeper 818 can adopt the form of the non-elastic component such as such as steel collar 818a as shown in fig. 34 a, or adopts the form of the such as elastomeric element such as elastomeric O-type circle 818b as illustrated in figure 34b or elasticity C type circle 818c as shown in figure 34 c.
With reference to figure 33C, in an alternative embodiment, tripping sleeve 810 can also move backward to the stand making keeper 818 be positioned at the rear of rear shoulder 826.In the present embodiment, keeper 818 comprises flexible member (such as elastomeric O-type circle 818b or elasticity C type circle 818c), and flexible member is stretched and stretches when tripping sleeve 810 is pulled back stand vertically.The elastic keeper 818 stretched in a sealing manner with the external wall friction of main part 820 engage, so that tripping sleeve 810 is remained on stand, till until user tripping sleeve 810 being withdrawn into forward a position in the floating position shown in Figure 33 A and Figure 33 B.The front end 879 of the contiguous main part 820 of the interior shoulder 877 on the front end of tripping sleeve 810, is moved beyond stand further backward to prevent tripping sleeve 810.In stand, when actuator sleeve 830 recall cutter head 40 is ejected from jack 823 time, user more easily grasps cutter head 40 and remove cutter head 40 from jack 823.In another embodiment similar with the embodiment of Fig. 1 E, main part 820 can be formed with the annular being positioned at annular recess 812 rear and park groove, more reliably keeper 818 and tripping sleeve 810 are remained on stand.
For the purpose of illustration and description, the aforementioned description of embodiment has been provided.Its original idea is not exhaustive or restriction the utility model.Each element of specific embodiment or feature are not limited to this specific embodiment generally, but even without illustrating specially or describing, and also can carry out exchanging in applicable occasion and may be used for the embodiment chosen.Can also change in many ways equally.These distortion have not been regarded as a departure from the utility model, and all such modifications are all intended to be included within scope of the present utility model.
Claims (12)
1. a cutter head assembly, comprising:
Cutter head, it has with first end and the axle of the second end, the first working region being arranged on described first end place and the first reducing diameter part, and described first reducing diameter part is near described first working region and be arranged between the first shoulder and the second shoulder; And
Tripping sleeve, it has with the rear portion of a pair opposite windows, the front portion of support magnet and a pair spheroid, and each spheroid is arranged in a window in described window,
It is characterized in that, described tripping sleeve can be received within described cutter head, make described magnet near described first working region, and described spheroid is received within described first reducing diameter part, to allow described tripping sleeve to move between described spheroid is against the primary importance of described first shoulder and described spheroid against the second place of described second shoulder, and
Described first reducing diameter part is configured to, and described tripping sleeve moves towards described primary importance, to allow described magnet to attract the head of described securing member while securing member is by described first working region engaging.
2. cutter head assembly according to claim 1, is characterized in that, described tripping sleeve also comprises around described spheroid and described a pair spheroid remained on the spring band in described pair of windows.
3. cutter head assembly according to claim 1 and 2, is characterized in that, described second end comprises the handle region in the cutter head folder being configured to be maintained at fastened tools.
4. cutter head assembly according to claim 1 and 2, is characterized in that, described second end comprises the second working region.
5. cutter head assembly according to claim 4, it is characterized in that, described tripping sleeve alternately can be received within described cutter head, make described magnet near described second working region, and described spheroid is received within described first reducing diameter part, move between described spheroid is against the 3rd position of described first shoulder and described spheroid against the 4th position of described second shoulder to allow described tripping sleeve, and described first reducing diameter part is configured to described tripping sleeve will be moved towards described 4th position, to allow described magnet to attract the head of described securing member while securing member is by described second working region engaging.
6. cutter head assembly according to claim 4, it is characterized in that, described axle also comprises near described second working region and the second reducing diameter part be arranged between the 3rd shoulder and the 4th shoulder, and described tripping sleeve alternately can be received within described cutter head, make described magnet near described second working region, and described spheroid is received within described second reducing diameter part, move between described spheroid is against the 3rd position of described 3rd shoulder and described spheroid against the 4th position of described 4th shoulder to allow described tripping sleeve, and described second reducing diameter part is configured to described tripping sleeve will be moved towards described 3rd position, to allow described magnet to attract the head of described securing member while securing member is by described second working region engaging.
7. cutter head assembly according to claim 6, is characterized in that, described axle comprises the 3rd reducing diameter part be arranged between described first reducing diameter part and described second reducing diameter part.
8. a cutter head clip assembly, comprising:
Shank, it is received within the cutter head folder of throw removedly;
Main body, it is connected on described shank, and limits the jack with longitudinal axis, and described jack is unlimited at the front end place of described main body, removedly cutter head is received in inside;
Annular recess, it is limited in the outer surface of described main body, and has rear shoulder, forward shoulder and axial length;
Tripping sleeve, it can be accepted on the body slidably;
Elastic keeper, it is connected with the inside of described tripping sleeve, and there is the axial length shorter than the described axial length of described annular recess, described keeper can be received within described annular recess movably, and described tripping sleeve can be floated vertically between described keeper is against the rear position of described rear shoulder and described keeper against the front position of described forward shoulder; And
Toroidal magnet, it is arranged on the front end of described tripping sleeve, to magnetize the securing member engaged by cutter head,
It is characterized in that the stand that described tripping sleeve can move backward to described elastic keeper shoulder in the rear further vertically rear from described rear position engages with main body makes it possible to remove cutter head from described jack.
9. cutter head clip assembly according to claim 8, is characterized in that, described elastic keeper to comprise when described tripping sleeve moves to described stand distortion and with described rubs ground the elasticity C type circle that engages or elastomeric O-type circle.
10. cutter head clip assembly according to claim 8 or claim 9, it is characterized in that, in order to cutter head being remained in described cutter head clip assembly, described main body comprises the snap ring in described jack, spheroid in described jack, magnet cutter head remained in described jack in described jack, there is the thread cap of snap ring, or elongated axial inner groovy and at least one in being received within described axial inner groovy elongate resilient fingers, described fingers has and is configured to radially inwardly extend in described jack cutter head remained on the front end in described jack and to be connected in actuator sleeve to make the rear end of the elastic front end of described fingers movement between latched position and released position.
11. 1 kinds of cutter head clip assemblies, comprising:
Shank, it is received within the cutter head folder of throw removedly;
Main body, it is connected on described shank, and limits the jack with longitudinal axis, and described jack is unlimited at the front end place of described main body, removedly cutter head is received in inside;
It is characterized in that, also comprise: elongate resilient fingers, it extends in the axial direction along described main body and has and is configured to radially inwardly extend in described jack cutter head to be remained on the front end in described jack;
Actuator sleeve, it is connected on described elongate resilient fingers, move between latched position and released position to make described elongate resilient fingers, in described latched position, described front end edge radially-inwardly extend in described jack to engage with cutter head, in described released position, described front end edge is radially outward mobile to allow to unclamp cutter head from described jack;
Annular recess, it is limited in the outer surface of described main body, and has rear shoulder, forward shoulder and axial length;
Tripping sleeve, it can be accepted on the body slidably;
Keeper, it is connected with the inside of described tripping sleeve, and there is the axial length shorter than the described axial length of described annular recess, described keeper can be received within described annular recess movably, and described tripping sleeve can be floated vertically between described keeper is against the rear position of described rear shoulder and described keeper against the front position of described forward shoulder; And
Toroidal magnet, it is arranged on the front end of described tripping sleeve, to magnetize the securing member engaged by cutter head.
12. 1 kinds, for the cutter head clip assembly of throw, is characterized in that, comprising:
Main body, it has the shank that is positioned at end thereafter and is formed in the second end and inserts the coaxial jack of entering to allow cutter head, and the outer surface of described main body comprises the threaded portion being positioned at described second end place;
Thread cap, it has the internal thread that engages with the described threaded portion of described main body and O type circle is fixed on the open end place of described coaxial jack; And
Tripping sleeve, it can be slidably arranged in described main body, and comprises the toroidal magnet of the front end being arranged on described tripping sleeve, to magnetize securing member, described securing member is retained to described cutter head.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/817,323 US9943946B2 (en) | 2012-02-15 | 2015-08-04 | Tool bits with floating magnet sleeves |
| EP15180953.0A EP3009234B1 (en) | 2014-08-15 | 2015-08-13 | Tool bits with floating magnet sleeves |
| EP20190507.2A EP3760378A1 (en) | 2014-08-15 | 2015-08-13 | Tool bit with reduced diameter torsion zones |
| US15/296,546 US10150205B2 (en) | 2012-02-15 | 2016-10-18 | Fastening tools with floating magnet sleeves |
| US15/815,018 US10556329B2 (en) | 2012-02-15 | 2017-11-16 | Tool bits with floating magnet sleeves |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/967,775 US9227309B2 (en) | 2012-02-15 | 2013-08-15 | Quick change bit holder with ring magnet |
| US13/967,775 | 2013-08-15 | ||
| US14/285,799 US9505108B2 (en) | 2012-02-15 | 2014-05-23 | Bit holder with floating magnet sleeve |
| US14/285,799 | 2014-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204397783U true CN204397783U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420463546.6U Expired - Fee Related CN204397783U (en) | 2012-02-15 | 2014-08-15 | Cutter head assembly, cutter head clip assembly and the cutter head clip assembly for throw |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2837468B1 (en) |
| CN (1) | CN204397783U (en) |
| TW (1) | TWM500658U (en) |
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| CN105563408A (en) * | 2016-03-17 | 2016-05-11 | 叶淑惠 | Magnetic tool sliding device |
| CN107263180A (en) * | 2017-08-19 | 2017-10-20 | 合肥智贤智能化科技有限公司 | A kind of boring cutter magnetic force fixed device |
| CN109909935A (en) * | 2018-05-15 | 2019-06-21 | 程蕾 | A kind of cutter head for electric screw driver |
| CN110095048A (en) * | 2018-01-31 | 2019-08-06 | 杨斌堂 | Screw, nut and fastener combination |
| CN111212707A (en) * | 2017-10-16 | 2020-05-29 | 伊斯卡有限公司 | Milling assembly comprising imperforate indexable inserts and positioning tool having insert retaining surfaces |
| CN113302008A (en) * | 2018-11-15 | 2021-08-24 | 宾工程工厂公司 | Mechanical tool with rotary punch |
| CN114589655A (en) * | 2022-03-25 | 2022-06-07 | 苏州浪潮智能科技有限公司 | High-efficiency multifunctional electric screwdriver head and electric screwdriver |
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| TWM501916U (en) * | 2015-02-25 | 2015-06-01 | Witman Corp | Improved positioning structure of screw head |
| TWI601605B (en) * | 2016-11-01 | 2017-10-11 | 陸同五金機械有限公司 | Bit holder with magnetic attraction |
| TWI610767B (en) * | 2016-11-21 | 2018-01-11 | Screwdriver tool | |
| RU178624U1 (en) * | 2016-12-20 | 2018-04-13 | Мин-Хун КО | SCREWDRIVER TOOL |
| EP3366396B1 (en) * | 2017-02-24 | 2020-11-11 | Unitek Enterprise Corp. | Quick release connector |
| DE112017005366B4 (en) * | 2017-09-05 | 2021-06-10 | Cixi Chengjia Hardware Tools Co., Ltd. | screwdriver |
| US11318590B2 (en) * | 2019-07-17 | 2022-05-03 | Snap-On Incorporated | Tool extension |
| EP3838438B1 (en) * | 2019-12-17 | 2023-07-12 | Techtronic Cordless GP | Rivet holder |
| CN114102030B (en) * | 2021-12-28 | 2024-05-14 | 深圳市中天超硬工具股份有限公司 | Clamp for welding PCD micro drill bit |
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- 2014-08-15 TW TW103214649U patent/TWM500658U/en not_active IP Right Cessation
- 2014-08-15 CN CN201420463546.6U patent/CN204397783U/en not_active Expired - Fee Related
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| CN105563408A (en) * | 2016-03-17 | 2016-05-11 | 叶淑惠 | Magnetic tool sliding device |
| CN107263180A (en) * | 2017-08-19 | 2017-10-20 | 合肥智贤智能化科技有限公司 | A kind of boring cutter magnetic force fixed device |
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| CN109909935A (en) * | 2018-05-15 | 2019-06-21 | 程蕾 | A kind of cutter head for electric screw driver |
| CN113302008A (en) * | 2018-11-15 | 2021-08-24 | 宾工程工厂公司 | Mechanical tool with rotary punch |
| CN113302008B (en) * | 2018-11-15 | 2023-08-08 | 宾工程工厂公司 | Mechanical tool with rotary punch |
| CN114589655A (en) * | 2022-03-25 | 2022-06-07 | 苏州浪潮智能科技有限公司 | High-efficiency multifunctional electric screwdriver head and electric screwdriver |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM500658U (en) | 2015-05-11 |
| EP2837468A3 (en) | 2015-11-04 |
| EP2837468A2 (en) | 2015-02-18 |
| EP2837468B1 (en) | 2017-07-05 |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150617 Termination date: 20190815 |