CN207152969U

CN207152969U - A kind of power roller device for having brake function

Info

Publication number: CN207152969U
Application number: CN201721142741.9U
Authority: CN
Inventors: 曾晴
Original assignee: XIAMEN DMASTER FITNESS TECHNOLOGY Co Ltd
Current assignee: XIAMEN DMASTER FITNESS TECHNOLOGY Co Ltd
Priority date: 2017-09-07
Filing date: 2017-09-07
Publication date: 2018-03-30
Anticipated expiration: 2027-09-07
Also published as: TWM557121U

Abstract

A kind of power roller device for having brake function, suitable for a surface, and includes a rolling unit and an operating unit.The rolling unit includes at least one first roller.The operating unit includes a rotating turret, an and retainer, the rotating turret has a connecting portion that the rolling unit is rotationally arranged in along a first axle, two are respectively arranged at the grip portion of the two opposite sides of the connecting portion, and one extend and rear end be provided with the extension of the retainer backwards from the connecting portion, one is defined around the first axle and from the front of the connecting portion upward and the brake direction that rotates backwards, retainer can be interlocked by connecting portion and moved around first axle between a non-parking position and a stop position, at non-parking position, retainer is away from the surface, and in stop position, retainer is along the brake direction against the surface, wrist need to only be pushed to rotation grip portion in operation, the power roller device can be stopped, operate smoothly and body gravity can be borrowed and reach the effect of laborsaving.

Description

A kind of power roller device for having brake function

Technical field

The utility model relates to a kind of body-building device, particularly relates to a kind of power roller device for having brake function.

Background technology

Power roller device is one of common body-building apparatus, is a kind of existing power roller device 8, it includes refering to Fig. 1 One wheel carrier 81, three is rotatably arranged at the wheel carrier 81 and the roller 82 that can be rolled towards a rotating direction D, and one is fixedly arranged on this The holding rod 83 of wheel carrier 81, the holding rod 83 have two along vertical rotating direction D setting in opposite direction grip portion 831.Make Used time, user need to be kneeled down on one's both knees, and both hands hold two grip portion 831 respectively, and three rollers 82 are against into ground, be connect And release the existing power roller device 8 forward, when releasing, the upper body of user stretches forward, but does not touch ground, connects And again pull back the existing power roller device 8, due to during releasing and retracting, user need to use belly, The strength at the position such as back and arm, therefore can reach body-building effect.

However, during release, because the existing power roller device 8 does not have locking function, if therefore user Be have little time force or strength be not enough to be stopped to retract again, the existing power roller device 8 will continue along inertia Roll forward so that user holds down forward.

Refering to Fig. 2, for another existing power roller device 9, it includes two rollers separately set along an axis L 91st, an axostylus axostyle 92 for being arranged in the second wheel 91 along axis L, and a stop block 93, the axostylus axostyle 92 have two to be located at respectively The grip portion 921 of the both sides of second wheel 91, the stop block 93 have two be rotatably sheathed on respectively two grip portion 921 and Hold set cylinder 931, two that can be respectively relative to the second wheel 91 movement is fixedly arranged on two hold sets cylinder, the 931 adjacent second wheel 91 respectively First fastener 932 of side, and two be fixedly arranged on the second wheel 91 and position is respectively to should 2 first fasteners 932 respectively Second fastener 933.When in use, the both hands of user hold the two hold sets cylinder 931 respectively, to drive the second wheel 91 to roll It is dynamic, and when the body forward of user extends to amplitude peak, can by by the two hold sets cylinder 931 respectively towards the second wheel 91 Direction movement, and 2 first fastener 932 is engaged 2 second fastener 933 respectively, to make the roller 91 in rolling Stopping, causing user to hold down without may proceed to rolls forward.

However, during the existing power roller device 9 is stopped and rolled again, user must manipulate this and two hold Sleeve 931, it is moved towards inward-outward direction so that 2 first fastener 932 and 2 second fastener 933 be mutually clamped and Separate, and the direction of extension of body of such a force direction with user in body-building is mutually perpendicular to, and use need to be moved left and right The both arms of person, not only operation have some setbacks, and in mobile both arms, also easily cause user's crank and topple over.In addition, in body-building During, user has expended many strength, thus easily because 2 first fastener 932 is not enough sticked in this by strength completely 2 second fasteners 933, and cause the existing progressive rolling movement of power roller device 9, in turn result in user and hold down forward.

Utility model content

Therefore, the purpose of this utility model, it is to provide the tool brake function of two kinds of the shortcomings that can overcoming prior art Power roller device.

A kind of power roller device for having brake function of the utility model, suitable for a surface, the strong abdomen of the tool brake function Wheel apparatus includes a rolling unit, and an operating unit.The rolling unit includes at least one and is used for rollably contacting the surface First roller.The operating unit includes a rotating turret, and a retainer for being arranged at the rotating turret, the rotating turret have one along one First axle is rotationally arranged in the connecting portion of the rolling unit, two to be respectively arranged at the connecting portion opposite along the first axle Both sides grip portion, an and extension extended towards the rear from the connecting portion, the retainer is arranged at the extension away from should The side of connecting portion, define one around the first axle and from the front of the connecting portion upward and the brake direction that rotates backwards, The extension can be interlocked by the connecting portion and moved around the first axle between a non-parking position and a stop position, non-at this During stop position, the retainer is upward away from the surface, and in the stop position, the retainer along the brake be directed downward to By the surface.

And the power roller device of this another new tool brake function, include a rolling unit, and an operating unit.The rolling Moving cell is rotatablely arranged at the first roller of the wheel carrier including a wheel carrier, one, and at least one is rotatablely arranged at the wheel Second roller of the axis of frame and parallel first roller of own axes, the wheel carrier have one wear portion, one wear court of portion from this Head that is preceding and extending down, and one from the portion of wearing backwards and the afterbody that extends down, first roller are arranged at the head, Second roller is arranged at the afterbody.The operating unit includes a rotating turret, and a retainer for being arranged at the rotating turret, definition One parallel first roller axis and the first axle in portion is worn by this, the rotating turret has one rotatable along the first axle Be arranged in this and wear the connecting portion in portion, two be respectively arranged at grip portion of the connecting portion along the opposite both sides of the first axle, And the extension for being fixed in the connecting portion, the retainer are arranged at side of the extension away from the connecting portion, define one around The first axle and from the front of the connecting portion upward and the brake direction that rotates backwards, the retainer can be connected by the connecting portion Move and moved around the first axle between a non-parking position and a stop position, at the non-parking position, the retainer is not First roller and second roller are contacted, and in the stop position, the retainer is along the brake direction against first rolling One of wheel and second roller.

The beneficial effects of the utility model are：The rotating turret is arranged at by the retainer, and the retainer is in the stop It is to carry out stop towards the brake direction during position, therefore user need to only sink wrist and reply when operating two grip portion Wrist location, you can the retainer is moved between the stop position and the non-parking position, and in the stop position, user By self gravitation wrist can be helped to push to force in two grip portion, so that the power roller device of the tool brake function is certain Stop, thus reach operation smoothly and it is laborsaving the effect of.

Brief description of the drawings

Fig. 1 is the stereogram of an existing power roller device；

Fig. 2 is the stereogram of another existing power roller device；

Fig. 3 is the stereogram of the embodiment one of the power roller device of this new tool brake function；

Fig. 4 is the three-dimensional exploded view of the embodiment one；

Fig. 5 is the side view of the embodiment one, illustrates state of the retainer at a non-parking position；

Fig. 6 is similar Fig. 5 side view, illustrates state of the retainer in a stop position；

Fig. 7 is the stereogram of the embodiment two of the power roller device of this new tool brake function；

Fig. 8 is the stereogram of the embodiment three of the power roller device of this new tool brake function；

Fig. 9 is the top view of the embodiment three；

Figure 10 is the stereogram of the example IV of the power roller device of this new tool brake function；

Figure 11 is the side view of the example IV, illustrates state of the retainer at a non-parking position；

Figure 12 is similar Figure 11 side view, illustrates state of the retainer in a stop position；

Figure 13 is the stereogram of the embodiment five of the power roller device of this new tool brake function；

Figure 14 is the side view of the embodiment five, illustrates state of the retainer at a non-parking position；

Figure 15 is similar Figure 14 side view, illustrates state of the retainer in a stop position.

Label declaration：

1 ... ... ... ... rolling unit 2 ... ... ... ... ... operating unit

10 ... ... ... ... rolling unit 20 ... ... ... ... ... operating units

11 ... ... ... ... wheel carrier 21 ... ... ... ... ... rotating turrets

11 " ... ... ... ... wheel carrier 211 ... ... ... ... connecting portions

Grip portion that 111 ... ... ... ... wear portion 212 ... ... ... ...

111 " ... ... ... ... wear portion 213 ... ... ... ... extension

112 ... ... ... ... head 213 ' ... ... ... ... extensions

112 " ... ... ... ... head 213 " ... ... ... ... extensions

113 ... ... ... ... afterbody 214 ... ... ... ... extensions

113 " ... ... ... ... afterbody 22 ... ... ... ... ... retainers

114 ... ... ... ... first side plate 22 ' ... ... ... ... retainers

114 " ... ... ... ... first side plate 22 " ... ... ... ... retainers

115 ... ... ... ... second side plate 221 ... ... ... ... wheel bodys

115 " ... ... ... ... second side plate 222 ... ... ... ... brake rubber blocks

116 ... ... ... ... the 3rd side plate 3 ... ... ... ... ... surfaces

116 " ... ... ... ... the 3rd side plate L1 ... ... ... ... ... first axles

12 ... ... ... ... first roller S ... ... ... ... ... planes

13 ... ... ... ... second roller D1 ... ... ... ... ... brakes direction

13 " ... ... ... ... second rollers

Embodiment

To further illustrate each embodiment, the utility model is provided with accompanying drawing.These accompanying drawings are in the utility model discloses A part for appearance, it can coordinate the associated description of specification to explain the running of embodiment original mainly to illustrate embodiment Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new The advantages of type.Component in figure is not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.

The utility model is further illustrated in conjunction with the drawings and specific embodiments.

Refering to Fig. 3 and Fig. 4, the embodiment one of the power roller device of this new tool brake function, should suitable for a surface 3 Surface 3 can be the place surface on a ground, the ground cushion surface being layed on floor or other suitable user's body-building.And the tool is stopped The power roller device of car function includes a rolling unit 1, and an operating unit 2.

The rolling unit 1 includes two and rotated coaxially and separately and for rollably contacting first roller 12 on the surface 3, The operating unit 2 includes a rotating turret 21, one and is arranged at the retainer 22 of the rotating turret 21, and the rotating turret 21 has one along one the One axis L1 be rotationally arranged in 2 first roller 12 connecting portion 211, two be respectively arranged at the connecting portion 211 along this The grip portion 212 of both sides opposite one axis L1, and one extend and be located at 2 first roller 12 towards the rear from the connecting portion 211 Between extension 213, the retainer 22 is arranged at the side of the extension 213 away from the connecting portion 211, and is a fast pulley, And with a wheel body 221 for being arranged at the extension 213, and a brake rubber block 222 for being arranged at the outer peripheral edge of wheel body 221.

Refering to Fig. 4,5 and Fig. 6, when in use, user can make the band of connecting portion 211 by two grip portion 212 is rotated Move the extension 213 to rotate, and then interlock the retainer 22 around first axle L1 in a non-parking position and a stop position Between move.One is defined around first axle L1 and from the front of the connecting portion 211 upward and the brake direction D1 that rotates backwards, At the non-parking position (see Fig. 5), the retainer 22 is somebody's turn to do upward away from the surface 3, and in the stop position (see Fig. 6) Retainer 22 abuts against the surface 3 down along brake direction D1.

During the power roller device of the tool brake function is released forward, user holds two grip portion 212 And wrist is beaten naturally straight, the retainer 22 is located at the non-parking position, and the rolls forward of 2 first roller 12, and work as The upper body of user be stretched over the limit forward and it is to be stopped when, user backward gently press wrist and make two grip portion 212 along The direction that wrist pushes rotates, and the retainer 22 is subject to gearing and is moved to the stop position down towards brake direction D1 Put, now, user, which aggravates the power that wrist pushes, makes the retainer 22 tight against the surface, and is still in the surface 3, tool brake The power roller device of function will be stopped forward, and when user is intended to the tool brake function by only stopping for the retainer 22 When power roller device retracts, wrist need only be returned back to nature and beat straight state, lift on the retainer 22 can be driven non-to this Stop position, user can retract the power roller device of the tool brake function, it should be noted that, should in the present embodiment one Retainer 22 is a fast pulley, but in other embodiments, the retainer 22 is arranged at the extension with being alternatively an one-directional rotation Portion 213 and the one-way wheel rolled backwards is only capable of when contacting the surface 3, or a brake shoes, when the retainer 22 is the one-way wheel When, whether having will lift to the non-parking position on the retainer 22 or maintains the stop position, and user can all have this The power roller device of brake function retracts.

Refering to Fig. 5 and Fig. 6, compared to prior art, the power roller device of this new tool brake function is being stopped and rolled When dynamic, user need to only rotate two grip portion 212, you can make the retainer 22 between the stop position and the non-parking position Conversion, and when rotating two grip portion 212, user need to only sink wrist and reply wrist location, operationally not only suitable Hand, and be not required to move left and right both arms, thus user is avoided because rocking and disequilibrium.In addition, during stop, use Person can help wrist to push by the gravity of itself, so that the retainer 22 is tight against the surface, and can avoid user's strength Not enough the power roller device of the tool brake function can not be stopped really.

Refering to Fig. 7, the embodiment two of the power roller device of this new tool brake function is analogous to the embodiment one, and it is poor Different part is：The rolling unit 1 includes first roller 12 for being used for rollably contacting the surface, the company of the rotating turret 21 Socket part 211 is rotationally arranged in first roller 12 along first axle L1, and the extension 213 has two along the first axle L1 is arranged at intervals at the two opposite sides of first roller 12 and from the extension 214 that the connecting portion 211 extends back, the retainer 22 are arranged between two extension 214.

Because the embodiment two has a structure similar to the embodiment one, thus the embodiment two also can reach with it is above-mentioned The identical purpose of embodiment one and effect.

Refering to Fig. 8 and Fig. 9, the embodiment three of the power roller device of this new tool brake function is analogous to the embodiment One, its difference part is：The rolling unit 10 includes a wheel carrier 11, the parallel first axle L1 of an own axes the first rolling Wheel 12, and two rotate coaxially and the parallel first axle L1 of own axes the second roller 13.

The wheel carrier 11 has one to wear portion 111, one from this to wear portion 111 forward and the head 112 that extends down, and one from The afterbody 113 for wearing portion 111 backwards and extending down, it is spaced along first axle L1 with two that this wears portion 111 First side plate 114, the head 112 have two to connect with being arranged at intervals and be integrally formed along first axle L1 bearing of trend The second side plate 115 of 2 first side plate 114 is connect, the afterbody 113 has two to be set along first axle L1 bearing of trend interval Connect the 3rd side plate 116 of 2 second side plate 114 with putting and be integrally formed, definition passes through 2 second roller 13 respectively And the plane S of the axis of vertical 2 second roller 13, first roller 12 are located between plane S and are arranged at the head 112 Two side plate 115 between, 2 second roller 13 is arranged at intervals along own axes and is respectively arranged at two side of the afterbody 113 The outside of plate 116.

The connecting portion 211 of the operating unit 20 is rotationally arranged in this along first axle L1 and wears being somebody's turn to do for portion 111 Two side plates 114, the extension 213 is then between this wears two side plate 114 in portion 111.

Due to the embodiment three have with structure as the embodiment two-phase, therefore the embodiment two also can reach with it is above-mentioned The identical purpose of embodiment one and effect.

Refering to Figure 10 and Figure 11, the example IV of the power roller device of this new tool brake function is analogous to the embodiment Three, its difference is：The extension 213 ' of the rotating turret 21 extends down from the connecting portion 211, and the retainer 22 ' is located at should The rear of first roller 12.

Refering to Figure 10,11 and Figure 12, when in use, user can make the connecting portion by two grip portion 212 is rotated 211 drive the extension 213 ' to rotate, and then interlock the retainer 22 ' and stop around first axle L1 in a non-parking position and one Moved between dynamic position.At the non-parking position (see Figure 11), the retainer 22 ' is backwards away from first roller 12, and at this (see Figure 12) during stop position, the retainer 22 ' is along brake direction D1 forward against first roller 12.

During the power roller device of the tool brake function is released forward, user holds two grip portion 212 And wrist is beaten naturally straight, the retainer 22 ' is located at the non-parking position, and first roller 12 and second roller 13 Rolls forward, and when the upper body of user be stretched over the limit forward and it is to be stopped when, user backward gently press wrist and make this two Grip portion 212 along the direction that wrist pushes rotate, and the retainer 22 be subject to gearing and it is facing forward along brake direction D1 The stop position is moved to, now, user, which aggravates the power that wrist pushes, makes the retainer 22 ' tight against first roller 12, should First roller 12 is subject to only stopping and stopping rolls forward for the retainer 22 ', and interlocks the power roller of the tool brake function Device integrally stops forward, and when user is intended to retract in the power roller device of the tool brake function, wrist need only be replied To straight state is beaten naturally, the retainer 22 ' is driven to be moved rearwardly into the non-parking position, can be by the strong of the tool brake function Abdomen wheel apparatus retracts.

Due to the example IV have with structure as the embodiment three-phase, and user can by identical mode of operation, The retainer 22 ' is set to be moved to the stop position along brake direction D1 to reach braking action, therefore the example IV also may be used Reach and the identical purpose of above-described embodiment three and effect.

Refering to Figure 13, the embodiment five of the power roller device of this new tool brake function is analogous to the example IV, its Difference is：The rolling unit 10 includes the wheel carrier 11 ", first roller 12, and the parallel first axle L1 of an own axes The second roller 13 ", this of the wheel carrier 11 " wear portion 111 " with four along spaced first side plates of first axle L1 114 ", the head 112 " have two along first axle L1 spaced second side plate 115 " of bearing of trend, the afterbody 113 " have two along first axle L1 spaced 3rd side plate 116 " of bearing of trend, and two middle the first side plates 114 " connect 2 second side plate 115 " with being integrally formed, and two other first side plate 114 " is then integrally formed ground 2 the 3rd side plate 116 " is connected, first roller 12 is arranged between 2 second side plate 115 ", and second roller 13 " is arranged at Between 2 the 3rd side plate 116 ".

The connecting portion 211 of the operating unit 20 is rotationally arranged in this along first axle L1 and wears being somebody's turn to do for portion 111 " Side plate 114 ", the extension 213 " extend and two side plates 114 " among portion 111 " are worn positioned at this backwards from the connecting portion 211 Between, the retainer 22 " is located at the top of second roller 13 ".

Refering to Figure 13, Figure 14 and Figure 15, when in use, user can make the connecting portion by two grip portion 212 is rotated 211 drive the extension 213 " to rotate, and then interlock the retainer 22 " and stop around first axle L1 in a non-parking position and one Moved between dynamic position.At the non-parking position (see Figure 14), the retainer 22 " is upward away from second roller 13 ", and at this (see Figure 15) during stop position, the retainer 22 " is along brake direction D1 down against second roller 13 ".

Because the structure of the embodiment five is similar in appearance to the example IV, and user's identical mode of operation can be provided so that The retainer 22 " is moved towards brake direction D1 to reach braking action, therefore the embodiment five also can reach and above-mentioned implementation The identical purpose of example four and effect.

In summary, the power roller device of this new tool brake function, the rotating turret is arranged at by by the retainer 22 " 21, therefore user need to only rotate the grip portion 212 of the rotating turret 21, the retainer 22 " can be made in the stop position and Moved between the non-parking position, and when rotating two grip portion 212 user need to only sink wrist and reply wrist location, no Only operate smoothly and avoid user because rocking and disequilibrium, in addition, the retainer 22 " is along the brake in the stop position D1 movements in car direction reach braking action, therefore user need to only sink in brake wrist, and when user's strength is inadequate When, by self gravitation wrist can be helped to push and force in two grip portion 212, so that the power roller of the tool brake function Device stops really, thus can reach the effect of laborsaving and safe, therefore can reach this new purpose really.

It is described above, embodiment only of the present utility model, when the model that the utility model implementation can not be limited with this Enclose, every simple equivalent changes and modifications made according to scope and description described in the utility model claims book, All still belong in the range of the utility model covers.

Claims

A kind of 1. power roller device for having brake function, suitable for a surface, it is characterised in that：The power roller of the tool brake function Device includes：

One rolling unit, including at least one be used for rollably contacting first roller on the surface；And

One operating unit, including a rotating turret, and a retainer for being arranged at the rotating turret, the rotating turret have one along one first Axis be rotationally arranged in the connecting portion of the rolling unit, two be respectively arranged at the connecting portion along the first axle it is opposite two The grip portion of side, and an extension extended towards the rear from the connecting portion, the retainer are arranged at the extension away from the connection The side in portion, define one around the first axle and from the front of the connecting portion upward and the brake direction that rotates backwards, should be only Moving part can be interlocked by the connecting portion and moved around the first axle between a non-parking position and a stop position, non-parking at this During position, upward away from the surface, and in the stop position, the retainer is directed downward against this retainer along the brake Surface.
2. the power roller device of tool brake function as claimed in claim 1, it is characterised in that：Wherein, the rolling unit includes Two the first rollers for rotating coaxially and separately setting, the connecting portion are arranged in 2 first roller, the extending part in this two Between first roller.
3. the power roller device of tool brake function as claimed in claim 1, it is characterised in that：Wherein, company of the rotating turret Socket part is rotationally arranged in first roller, and the extension has two to be arranged at intervals at first roller along the first axle Two opposite sides and from the extension that the connecting portion extends back, it is intersegmental that the retainer is arranged at two extension.
4. the power roller device of tool brake function as claimed in claim 1, it is characterised in that：Wherein, the rolling unit also wraps A wheel carrier, and 2 second rollers are included, the wheel carrier has one rotationally to be worn along the first axle by the connecting portion of the rotating turret If wear portion, one from the portion of wearing the forward and down head that extends, and one from the portion of wearing backwards and the afterbody that extends down, 2 second roller is fixed to rotate coaxially and the parallel first axle of own axes and being arranged at intervals at the afterbody along own axes Justice two by 2 second roller and is respectively perpendicular the plane of the axis of 2 second roller respectively, and first roller is arranged at this Head and it is located at two interplanar, and the diameter parallel of first roller first axle, extension of the rotating turret and should Retainer is located at two interplanar.
5. the power roller device of the tool brake function as described in claim 1-4 is any, it is characterised in that：Wherein, the retainer Wheel body with an extension for being arranged at the rotating turret, and a brake rubber block for being arranged at the wheel body outer peripheral edge.
6. the power roller device of the tool brake function as described in claim 1-4 is any, it is characterised in that：Wherein, the retainer The extension of the rotating turret is arranged at unidirectional rotatablely and is only capable of rolling backwards when contacting the surface.
A kind of 7. power roller device for having brake function, it is characterised in that：Comprising：

One rolling unit, including a wheel carrier, first roller for being rotatablely arranged at the wheel carrier, and at least one rotationally set The second roller of the wheel carrier and the axis of parallel first roller of own axes is placed in, the wheel carrier wears portion, one with one and is somebody's turn to do certainly Wear portion forward and the head that extends down, and one from the portion of wearing backwards and the afterbody that extends down, first roller are set In the head, second roller is arranged at the afterbody；And

One operating unit, including a rotating turret, and a retainer for being arranged at the rotating turret, define parallel first roller shaft Line and the first axle that portion is worn by this, the rotating turret are rotatably arranged in this along the first axle with one and wear portion Connecting portion, two are respectively arranged at grip portion of the connecting portion along the opposite both sides of the first axle, and one is fixed in the connecting portion Extension, the retainer is arranged at side of the extension away from the connecting portion, defines one around the first axle and from the company The front of socket part is upward and the brake direction that rotates backwards, the retainer can be interlocked by the connecting portion and existed around the first axle Moved between one non-parking position and a stop position, at the non-parking position, the retainer does not contact first roller and should Second roller, and in the stop position, during the retainer is along the brake direction against first roller and second roller One.
8. the power roller device of tool brake function as claimed in claim 7, it is characterised in that：Wherein, this of the rotating turret prolongs Extending portion extends down from the connecting portion, and the retainer is located at the rear of first roller, at the non-parking position, the retainer Backwards away from first roller, and in the stop position, the retainer is along the brake direction against first roller.
9. the power roller device of tool brake function as claimed in claim 7, it is characterised in that：Wherein, this of the rotating turret prolongs Extending portion extends backwards from the connecting portion, and the retainer is located at the top of second roller, at the non-parking position, the retainer Upward away from second roller, and in the stop position, the retainer is along the brake direction against second roller.
10. the power roller device of the tool brake function as described in claim 7-9 is any, it is characterised in that：Wherein, the retainer Wheel body with an extension for being arranged at the rotating turret, and a brake rubber block for being arranged at the wheel body outer peripheral edge.
11. the power roller device of the tool brake function as described in claim 7-9 is any, it is characterised in that：Wherein, the retainer When being arranged at the extension of the rotating turret unidirectional rotatablely, and contacting one of first roller and second roller, It is only capable of rolling backwards jointly with contactee.