CN205766002U - Cartridge device and be provided with the electric tool of this cartridge device - Google Patents

Abstract

This utility model relates to a kind of cartridge device and is provided with the electric tool of this cartridge device, and cartridge device includes: housing；Clip claw mechanism, is used for clamping work head, and clip claw mechanism includes jaw and Gripper body, and Gripper body is provided with the gathering sill extending along rotary shaft and gradually drawing close to rotary shaft, and jaw can move to change internal diameter size along gathering sill；Rotate main shaft, be rotatably arranged in housing；Clamping mechanism, coordinates with rotation main shaft and jaw respectively, and rotating main shaft can drive jaw move along described gathering sill by clamping mechanism；Rotating mechanism, is connected with Gripper body, and selectively affixed with rotation main shaft or disengaging, and when rotating mechanism is affixed with rotation main shaft, rotation main shaft can pass through rotating mechanism drive Gripper body and rotate.Above-mentioned cartridge device, can be switched fast in clamping state with duty, and by rotating the rotation installment work head efficiently and easily of main shaft, it is to avoid the various inconvenience of hand-operated clamping work headband, it is not necessary to use extra clamp device.

Description

Cartridge device and be provided with the electric tool of this cartridge device

Technical field

This utility model relates to machining tool field, particularly relates to a kind of cartridge device and is provided with this chuck dress The electric tool put.

Background technology

Along with the development of society is seen with manufacturing progress, increasing electric hand tool is applied to raw Produce and manufacture and in the life of people.Impact brill, electric drill, electric hammer etc. rotate class instrument and generally utilize drill point head-clamp The work such as tight drill bit, screwdriver be first-class to carry out holing, trip bolt, the productive life for people brings pole Convenience.

Impact brill, electric drill, electric hammer etc. at present and rotate type electric tool drill chuck due to fault of construction, there is folder The shortcomings such as clamp force is weak, clamp operation is inconvenient.Manually fastened drill chuck clamping is little, when drill bit by big torsion or shakes Time dynamic, drill bit easily gets loose or drops, thus brings potential safety hazard while affecting working (machining) efficiency and quality. Spanner-type drill chuck chucking power is relatively big, but needs during dismounting drill bit to use the fastening instruments such as spanner to tighten, for making User brings inconvenience.

Utility model content

Based on this, it is necessary to enough add the problem of Fast Installation drill bit while holding force for providing, carry For a kind of can provide enough add holding force again can the cartridge device of Fast Installation drill bit and be provided with this cartridge device Electric tool.

A kind of cartridge device, is used for clamping work head, including:

Housing；

Clip claw mechanism, is used for clamping described work head, and described work head can turn around the most described housing of rotary shaft Dynamic, described clip claw mechanism includes jaw and is sheathed on the Gripper body of described jaw, and described Gripper body is provided with The gathering sill extended along described rotary shaft and gradually draw close to described rotary shaft, described jaw can be along described guiding Groove moves to change internal diameter size；

Rotate main shaft, be rotatably arranged in described housing；

Clamping mechanism, described clamping mechanism coordinates with described rotation main shaft and described jaw respectively, described rotation Main shaft can drive described jaw to move along described gathering sill by described clamping mechanism；

Rotating mechanism, described rotating mechanism is connected with described Gripper body, and selectively rotates master with described Axle is affixed or departs from, and when described rotating mechanism and described rotation main shaft are affixed, described rotation main shaft can pass through Described rotating mechanism drives described Gripper body to rotate.

Above-mentioned cartridge device, can drive jaw to move along gathering sill by rotating main shaft and clamp or unclamp work Head, or drive clip claw mechanism rotate make cartridge device in running order and to manufacturing procedures such as Workpiece borings. So, this cartridge device can be switched fast in clamping state with duty, and by rotating the rotation of main shaft Turn installment work head efficiently and easily, and avoid the various inconvenience of hand-operated clamping work headband, without making With extra clamp device, provide great convenience for user, it is to avoid the potential safety hazard that work head loosens.

Wherein in an embodiment, described cartridge device also includes that switching mechanism, described switching mechanism include Being located at the switch piece of described rotation main shaft, described switch piece selectively connects or departs from described rotating mechanism, So that described rotation main shaft is affixed with described rotating mechanism or departs from.

Wherein in an embodiment, described rotation main shaft and described rotating mechanism are collectively forming receiving space, Described switch piece can move in described receiving space, so that described rotation main shaft is affixed with described rotating mechanism Or depart from.

Wherein in an embodiment, described cartridge device also includes that retaining mechanism, described retaining mechanism include Locking member, described locking member is movably disposed in described housing, solid with the most described Gripper body Determine or depart from, so that the most described housing of described Gripper body is fixed or departs from.

Wherein in an embodiment, described locking member is located at described for regulation gear, described regulation geared sleeve Rotating spindle, the outer rim of described regulation gear is connected with described housing.

Wherein in an embodiment, described cartridge device also includes that fixing cover, described fixing cover interval are arranged In described housing side, described fixing cover one end is affixed with described Gripper body, and described locking member one end connects In described housing, the other end can be affixed or depart from one end of the most affixed described Gripper body of described fixing cover, institute Stating locking member to be connected to described shell one end and be provided with abutting part, described abutting part coordinates to drive with described switch piece Dynamic described switch piece selectively connects or departs from described rotating mechanism.

Wherein in an embodiment, described abutting part and the distance of described rotation main shaft are from close described housing Side is gradually reduced along the axial described fixing cover side of described rotation, to support described switch piece.

Wherein in an embodiment, described rotating mechanism includes being inserted in described rotation main shaft can institute relatively Stating the connecting rod rotating main axis, described connecting rod sidewall is provided with the holding tank caved inward, described rotation The sidewall of main shaft offers the through hole corresponding with described holding tank, and described holding tank is collectively forming with described through hole Described receiving space.

Wherein in an embodiment, described clamping mechanism is included in the dress that described rotary shaft bearing of trend is fixing Folder nut, described clamping nut is sheathed on described jaw and is rotatably connected with described jaw, and described rotation is main Axle can drive described clamping nut to rotate.

Wherein in an embodiment, described clamping mechanism also includes planetary wheeling assembly, described planetary wheeling assembly Connecting described rotation main shaft and described clamping nut, described rotation main shaft drives institute by described planetary wheeling assembly State clamping nut to rotate.

Wherein in an embodiment, described planetary wheeling assembly includes planet carrier and is located at the row of described planet carrier Star-wheel, described planetary gear engages with described rotation main shaft, and described rotation main shaft drives institute by described planetary gear State planet carrier to rotate around described rotary shaft.

Wherein in an embodiment, described planet carrier includes that the first end and external diameter are more than the of described first end Two ends, planetary gear is sheathed on described first end of described planet carrier, and described second end of described planet carrier is sheathed In described clamping nut.

A kind of electric tool, including above-mentioned cartridge device.

Accompanying drawing explanation

Fig. 1 is that the cartridge device of an embodiment is in the structural representation in clamping state；

Fig. 2 be the cartridge device shown in Fig. 1 in running order in structural representation；

Fig. 3 is the structural representation of the cartridge device of another embodiment；

Fig. 4 is the structural representation of the cartridge device of another embodiment.

Detailed description of the invention

For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is carried out more comprehensively Description.Accompanying drawing gives preferred embodiment of the present utility model.But, this utility model can be with Many different forms realize, however it is not limited to embodiment described herein.On the contrary, provide these real The purpose executing example is to make the understanding to disclosure of the present utility model more thorough comprehensively.

It should be noted that when element is referred to as " being fixed on " another element, and it can be directly at another yuan On part or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can To be directly to another element or to may be simultaneously present centering elements.Term as used herein " is hung down Straight ", " level ", "left", "right" and similar statement for illustrative purposes only.

Unless otherwise defined, all of technology used herein and scientific terminology with belong to of the present utility model The implication that those skilled in the art are generally understood that is identical.Institute in description of the present utility model herein The term used is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting this utility model. Term as used herein " and/or " include the arbitrary and all of of one or more relevant Listed Items Combination.

As shown in Figures 1 and 2, a kind of cartridge device 100 of this preferred embodiment, it is used for being installed on electronic work To clamp work 200 on Ju.This cartridge device 100 includes housing 10, clip claw mechanism 20, rotates main shaft 30, clamping mechanism 40, rotating mechanism (figure is not marked) and regulation fixed mechanism 60.

Wherein, clip claw mechanism 20 is used for clamping work 200, and work 200 can be around rotary shaft relative to housing 10 rotate, and clip claw mechanism 20 includes jaw 22 and is sheathed on the Gripper body 24 of jaw 22.Gripper body 24 are provided with the gathering sill (not shown) extending along rotary shaft and gradually drawing close to rotary shaft, and jaw 22 can be along leading Move to change internal diameter size to groove, thus clamp or unclamp work 200.

Rotate main shaft 30 to be driven by motor, and be rotatably arranged in housing 10.Clamping mechanism 40 respectively with Rotating main shaft 30 and described jaw 22 coordinates, rotating main shaft 30 can drive jaw 22 by clamping mechanism 40 Move along gathering sill.Rotating mechanism one end is connected with Gripper body 24, and selectively with rotate main shaft 30 Affixed or depart from, when rotating mechanism with rotate main shaft 30 affixed time, rotate main shaft 30 can pass through rotating mechanism Gripper body 24 is driven to rotate.

Above-mentioned cartridge device 100, can by rotate main shaft 30 drive jaw 22 along gathering sill move and clamp or Unclamp work 200, or drive clip claw mechanism 20 rotate make cartridge device 100 in running order and to work The manufacturing procedures such as part boring.So, this cartridge device 100 quickly can be cut in clamping state with duty Change, and by rotating rotation installment work 200 efficiently and easily of main shaft 30, and avoid hand-operated clamping work Make a 200 various inconvenience brought, without using extra clamp device, provide greatly for user Convenient, it is to avoid the potential safety hazard that work 200 loosens.

Cartridge device 100 also includes switching mechanism (figure is not marked).Switching mechanism includes being located at rotation main shaft 30 Switch piece 62, switch piece 62 selectively connects or departs from rotating mechanism, so that rotating main shaft 30 and turning Motivation structure is affixed or departs from.

In the present embodiment, rotating main shaft 30 and be collectively forming receiving space with rotating mechanism, switch piece 62 can Move within accommodating space, so that rotation main shaft 30 is affixed with rotating mechanism or departs from.When switch piece 62 is complete When being entirely contained in rotation main shaft 30, rotate main shaft 30 and separate with rotating mechanism.When switch piece 62 part is located at Rotate main shaft 30, when part is located in rotating mechanism, rotates main shaft 30 affixed with rotating mechanism, thus can carry Dynamic rotating mechanism rotates.

So, when rotation main shaft 30 passes through switching mechanism and rotating mechanism is affixed, rotating mechanism can be driven to turn It is dynamic, so that cartridge device 100 is in the duty that work 200 rotates.When rotating main shaft 30 and turning When motivation structure departs from, it is impossible to drive rotating mechanism to rotate, thus work 200 cannot be driven to rotate.

Cartridge device 100 also includes retaining mechanism (figure is not marked).Retaining mechanism includes locking member 64, locking member 64 are movably disposed in housing 10, with optionally fixing relative to Gripper body 24 or disengaging, so that chuck The relative housing of body 24 10 is fixing or departs from.When the relative Gripper body 24 of locking member 64 is fixed, chuck Body 24 is fixed by the relative housing of locking member 64 10, thus avoids following clamping mechanism 40 and rotate.When When the relative Gripper body 24 of locking member 64 departs from, Gripper body 24 can rotate relative to housing 10, thus can Rotate under the drive of rotating mechanism, thus drive work 200 to rotate.

In the present embodiment, locking member 64 is regulation gear.This regulation geared sleeve is located at rotating spindle 30, adjusts The outer rim of joint gear is connected with housing.

Cartridge device 100 also includes fixing cover 70, and fixing cover 70 is arranged at intervals at housing 10 side, fixing Cover 70 one end affixed with Gripper body 24.Locking member 64 one end is connected to housing 10, the other end can affixed or Depart from one end of fixing cover 70 the most affixed Gripper body 24.Locking member 64 is connected to housing 10 one end and is provided with Abutting part 642, abutting part 642 coordinates with switch piece 62 to drive switch piece 62 be selectively connected or depart from Rotating mechanism.

Specifically, housing 10 is respectively equipped with fixing groove (not shown) on fixing cover 70, and locking member 64 sets There is the key corresponding with fixing groove, to coordinate with housing 10 and fixing cover 70.The key of locking member 64 one end can be slided The fixing groove being fastened on housing 10, locking member 64 can slide to fixing cover 70 one end and be arranged in solid dynamicly Surely the fixing groove offered on cover 70, thus fixing cover 70 is fixed in locking member 64 in circumference, and then relatively Housing 10 is fixed, and makes this cartridge device 100 be in clamping state.When locking member 64 is sliding to housing 10 direction When moving and depart from fixing cover 70, fix to cover 70 disengaging housings 10 and Gripper body 24 can be followed rotating.

The abutting part 642 of locking member 64 housing 10 side the most close with the distance rotating main shaft 30 is along rotary shaft It is gradually reduced to fixing cover 70 side, to coordinate with switch piece 62.

Specifically, abutting part 642 is provided with horizontal bearing surface (figure do not mark) and to be connected to horizontal bearing surface close The arc bearing surface (figure is not marked) of clip claw mechanism 20 side.Horizontal bearing surface and the rotary shaft of work 200 Bearing of trend is parallel, and arc bearing surface turns from the edge, one end being connected horizontal bearing surface with the distance of rotating spindle 30 Moving axis bearing of trend is gradually reduced, until tangent with the sidewall rotating main shaft 30.

So, when horizontal bearing surface is in the correspondence position with regulating part 62, rotate the rotation of main shaft 30 The centrifugal force produced makes regulating part 62 to moving and be held in horizontal bearing surface away from rotating shaft direction, makes rotation Main shaft 30 disconnects with the connection of rotating mechanism.When arc bearing surface is in the correspondence position with regulating part 62, Regulating part 62 is held in rotating mechanism by arc bearing surface, thus affixed rotation main shaft 30 and rotating mechanism, Make rotating mechanism can rotate under the drive rotating main shaft 30.In the present embodiment, regulating part 62 is regulation Steel ball.

Rotating mechanism includes being inserted in rotation main shaft 30 and can rotating against the connecting rod 52 that main shaft 30 rotates, Connecting rod 52 one end can be affixed by switching mechanism with rotation main shaft 30, and connecting rod 52 other end is with chuck originally Body 24 is affixed to drive Gripper body 24 to rotate.When rotating main shaft 30 by switching mechanism and connecting rod 52 Time affixed, can be rotated by the rotational band of self bar 52 that is dynamically connected, and then drive Gripper body 24 to rotate, Finally make work 200 rotate and be processed operation.So, above-mentioned rotating mechanism drives by rotating main shaft 30 Dynamic Gripper body 24 and clamping mechanism 40 synchronous axial system, thus drive drill bit to rotate and avoid jaw 22 relative The gathering sill of Gripper body 24 moves.

Connecting rod 52 sidewall of rotating mechanism is provided with the holding tank 522 caved inward, and rotates main shaft 30 and offers The through hole corresponding with holding tank 522, holding tank 522 and through hole are collectively forming receiving space.When locking member 64 Abutting part 642 arc bearing surface abut switch piece 62, make switch piece 62 part be positioned at holding tank 522 In, when another part is positioned at through hole, connecting rod 52 follows rotation main shaft 30 synchronous axial system.Work as switch piece 62 abjection holding tanks 522 when being connected to the horizontal bearing surface of abutting part 642, connecting rod 52 with rotate main shaft The connection of 30 disconnects, and the rotation rotating main shaft 30 cannot drive connecting rod 52 synchronous axial system.

Clamping mechanism 40 is included in the clamping nut 42 that the rotary shaft bearing of trend of work 200 is fixed.Clamping Nut 42 is sheathed on jaw 22 and is rotatably connected with jaw 22, rotates main shaft 30 and can drive clamping nut 42 rotate, and with when the relative housing 10 of Gripper body 24 is fixed, jaw 22 moves relative to Gripper body 24.

Specifically, jaw 22 includes being located remotely from housing 10 one end clamping part 222 and with clamping part 222 The auxiliary section 224 connected.The gathering sill laminating of the sidewall of clamping part 222 and Gripper body 24, auxiliary section 224 It is gradually distance from the rotary shaft of work 200 to the other end from one end of connection clamping part 222.At the present embodiment In, clamping nut 42 is threadeded with auxiliary section 224, owing to clamping nut 42 is at rotary shaft bearing of trend Fixing, jaw 22 gathering sill spacing under be only capable of moving along rotary shaft bearing of trend relative to Gripper body 24, And Gripper body 24 housing 10 relatively under the effect of regulation fixed mechanism 60 is fixing, therefore clamping nut 42 Rotation jaw 22 can be driven to move along gathering sill rather than rotate for center of rotation with rotary shaft.Jaw 22 Including circumferentially arranged multiple holders, when jaw 22 moves along gathering sill to housing 10 direction, by Coordinating with gathering sill inclined-plane in jaw 22, the most multiple holders are gradually located remotely from each other and make the interior of jaw 22 Footpath gradually expands and is more than the external diameter of work 200, thus can realize the dismounting of work 200.

Clamping mechanism 40 also includes planetary wheeling assembly 44.Planetary wheeling assembly 44 connects rotation main shaft 30 and clamping Nut 42, rotates main shaft 30 and drives clamping nut 42 to rotate by planetary wheeling assembly 44.

Specifically, planetary wheeling assembly 44 includes planet carrier 444 and is located at the planetary gear 442 of planet carrier 444, Planetary gear 442 engages with rotating main shaft 30, rotates main shaft 30 and drives planet carrier 444 by planetary gear 442 Rotary shaft around work 200 rotates.In the present embodiment, planetary wheeling assembly 44 at least includes two planets Wheel 442, so, rotates main shaft 30 rotation and planetary gear 442 can be driven to rotate, and then drive planet carrier 444 Rotating, planet carrier 444 drives the clamping nut 42 being fixed in planet carrier 444 to rotate, thus drives jaw 22 Move along Gripper body 24.

More specifically, planet carrier 444 includes the first end and external diameter the second end more than first paragraph, planetary gear 442 Being sheathed on the first end, the second end of planet carrier 444 is sheathed on clamping nut 42.So, can be by this planet Wheel assembly 44 amplifies the screwing force rotating main shaft 30 output, prevents work 200 from loosening and even comes off.

Locking member 64 one end is connected to housing 10 and can relatively extend along the rotary shaft of work 200 by housing 10 Direction is moved, and locking member 64 is provided with female thread to engage with planetary gear 442, planetary gear 442 can rotate main Rotate along locking member 64 under the driving of axle 30.

In another embodiment, planetary wheeling assembly 44 also includes manual controls (not shown), and operator can Manipulate this manual controls and rotate planetary gear 442, and then drive planet carrier 444, clamping nut 42 successively Rotate to clamp work 200.

As it is shown on figure 3, in another embodiment, cartridge device 100 is not provided with fixing cover 70 but includes solid Fixed pole 80.Fixing bar 80 two ends are removably installed in locking member 64 and Gripper body 24.When by fixing bar When the two ends of 80 are respectively arranged in locking member 64 with Gripper body 24, the relative locking member of Gripper body 24 can be made 64 fix.And when taking off fixing bar 80, Gripper body 24 can be made can to rotate relative to housing 10.

As shown in Figure 4, in another embodiment, the two ends of fixing bar 90 are mounted at housing 10 With Gripper body 24.When the two ends of fixing bar 90 being respectively arranged in housing 10 with Gripper body 24, can The relative housing of Gripper body 24 10 is made to fix.And when taking off fixing bar 90, can make the Gripper body 24 can phase Housing 10 is rotated.

Above-mentioned cartridge device 100, when needs clamping work 200, operator can be by locking member 64 to solid Surely cover 70 directions to move, so that the fixing relative housing of cover 70 10 is fixed.The abutting part 642 of locking member 64 Rotary shaft bearing of trend along work 200 moves simultaneously, and horizontal bearing surface is corresponding with holding tank 522.Rotation Turning main shaft 30 to rotate, the centrifugal force of generation makes regulating part 62 depart from holding tank 522 and the level that is held in abuts Face, makes rotary shaft be off with connecting rod 52, rotate main shaft 30 rotate successively drive planetary gear 442, Planet carrier 444 rotates with clamping nut 42, and clamping nut 42 drives jaw 22 along the cunning of Gripper body 24 Dynamic groove moves, thus changes the internal diameter size of jaw 22, it is achieved the dismounting of work 200.

When this cartridge device 100 is in running order, operator can be by locking member 64 to housing 10 direction It is mobile, so that fixing cover 70 departs from locking member 64 and can rotate relative to housing 10.Supporting of locking member 64 Meet portion 642 to move along the rotary shaft bearing of trend of work 200, arc bearing surface and holding tank 522 simultaneously Correspondence, with affixed connecting rod 52 and rotation main shaft 30.Rotate main shaft 30 to rotate, drive connecting rod 52 to rotate, And then drive the Gripper body 24 affixed with connecting rod 52 to rotate, thus work 200 is driven to rotate.

Above-mentioned cartridge device 100, operator only needs mobile locking member 64 or fixing bar to change Gripper body 24 The state of housing 10 relatively, can provide clamping force by rotating the rotation of main shaft 30, and avoid manually pacifying Dress work 200 and cause work 200 easily to come off, and swift and convenient to operate and tight without using other Gu instrument.

As shown in Figures 1 and 2, a kind of electric tool (not shown) of this preferred embodiment, it is provided with above-mentioned Cartridge device 100.

This electric tool includes but not limited to impact rotary power tool and the pneumatic works such as brill, electric hand drill, electric hammer Tool.Work 200 can be drill bit or screw drapes over one's shoulders first-class workpiece.

Above-mentioned electric tool, can be by cartridge device 100 fast assembling-disassembling work 200, it is provided that enough clampings Power and avoid work 200 loosen or come off, and without using extra fastening instrument, facilitate operator Use.

Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.

Embodiment described above only have expressed several embodiments of the present utility model, its describe more concrete and In detail, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, it is right For those of ordinary skill in the art, without departing from the concept of the premise utility, it is also possible to do Going out some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, this utility model is special The protection domain of profit should be as the criterion with claims.

Claims (13)

1. a cartridge device, is used for clamping work head, it is characterised in that including:

Housing；

Clip claw mechanism, for clamping described work head, described work head can be around the most described housing into rotation of rotary shaft, described clip claw mechanism includes jaw and is sheathed on the Gripper body of described jaw, described Gripper body is provided with the gathering sill extending along described rotary shaft and gradually drawing close to described rotary shaft, and described jaw can move to change internal diameter size along described gathering sill；

Rotate main shaft, be rotatably arranged in described housing；

Clamping mechanism, described clamping mechanism coordinates with described rotation main shaft and described jaw respectively, and described rotation main shaft can drive described jaw to move along described gathering sill by described clamping mechanism；

Rotating mechanism, described rotating mechanism is connected with described Gripper body, and selectively affixed with described rotation main shaft or disengaging, when described rotating mechanism and described rotation main shaft are affixed, described rotation main shaft can drive described Gripper body to rotate by described rotating mechanism.

Cartridge device the most according to claim 1, it is characterized in that, described cartridge device also includes switching mechanism, described switching mechanism includes the switch piece being located at described rotation main shaft, described switch piece selectively connects or departs from described rotating mechanism, so that described rotation main shaft is affixed with described rotating mechanism or departs from.

Cartridge device the most according to claim 2, it is characterised in that described rotation main shaft and described rotating mechanism are collectively forming receiving space, and described switch piece can move in described receiving space, so that described rotation main shaft is affixed with described rotating mechanism or departs from.

Cartridge device the most according to claim 2, it is characterized in that, described cartridge device also includes retaining mechanism, described retaining mechanism includes locking member, described locking member is movably disposed in described housing, fix with the most described Gripper body or depart from, so that the most described housing of described Gripper body is fixed or departs from.

Cartridge device the most according to claim 4, it is characterised in that described locking member is located at described rotating spindle for regulation gear, described regulation geared sleeve, and the outer rim of described regulation gear is connected with described housing.

Cartridge device the most according to claim 4, it is characterized in that, described cartridge device also includes fixing cover, described fixing cover is arranged at intervals at described housing side, described fixing cover one end is affixed with described Gripper body, described locking member one end is connected to described housing, the other end can be affixed or depart from one end of the most affixed described Gripper body of described fixing cover, described locking member is connected to described shell one end and is provided with abutting part, and described abutting part coordinates with described switch piece to drive described switch piece be selectively connected or depart from described rotating mechanism.

Cartridge device the most according to claim 6, it is characterised in that described abutting part is gradually reduced along the axial described fixing cover side of described rotation, to support described switch piece near described housing side with the distance of described rotation main shaft.

Cartridge device the most according to claim 7, it is characterized in that, described rotating mechanism includes being inserted in described rotation main shaft can be relative to the described connecting rod rotating main axis, described connecting rod sidewall is provided with the holding tank caved inward, the sidewall of described rotation main shaft offers the through hole corresponding with described holding tank, and described holding tank and described through hole are collectively forming described receiving space.

Cartridge device the most according to claim 1, it is characterized in that, described clamping mechanism is included in the clamping nut that described rotary shaft bearing of trend is fixing, and described clamping nut is sheathed on described jaw and is rotatably connected with described jaw, and described rotation main shaft can drive described clamping nut to rotate.

Cartridge device the most according to claim 9, it is characterized in that, described clamping mechanism also includes planetary wheeling assembly, and described planetary wheeling assembly connects described rotation main shaft and described clamping nut, and described rotation main shaft drives described clamping nut to rotate by described planetary wheeling assembly.

11. cartridge devices according to claim 10, it is characterized in that, described planetary wheeling assembly includes planet carrier and is located at the planetary gear of described planet carrier, and described planetary gear engages with described rotation main shaft, and described rotation main shaft drives described planet carrier to rotate around described rotary shaft by described planetary gear.

12. cartridge devices according to claim 11, it is characterized in that, described planet carrier includes the first end and external diameter the second end more than described first end, and planetary gear is sheathed on described first end of described planet carrier, and described second end of described planet carrier is sheathed on described clamping nut.

13. 1 kinds of electric tools, it is characterised in that include the cartridge device as described in claim 1～12 any one.