CN205996233U - Stopping device and the keyless drill chuck with stopping device - Google Patents
Stopping device and the keyless drill chuck with stopping device Download PDFInfo
- Publication number
- CN205996233U CN205996233U CN201621014660.6U CN201621014660U CN205996233U CN 205996233 U CN205996233 U CN 205996233U CN 201621014660 U CN201621014660 U CN 201621014660U CN 205996233 U CN205996233 U CN 205996233U
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- Prior art keywords
- stopping device
- protuberance
- spring
- unlocking
- precursor
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- Withdrawn - After Issue
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Abstract
The utility model is related to keyless drill chuck field, more particularly to a kind of stopping device and the keyless drill chuck with stopping device.Stopping device includes Non-return ring, lock bracket, back-moving spring and set of unlocking；Lock bracket includes chassis and roller stand；Roller stand is fixed on the side on chassis；Roller stand has protuberance；There is spring shifting block on chassis；There is spring eye on Non-return ring；In spring in the hole, back-moving spring is offseted back-moving spring respectively with the hole wall of spring shifting block and spring eye；There is back stop slot in Non-return ring；, in Non-return ring, protuberance is in back stop slot for roller stand；Retaining well width is more than protuberance width.Keyless drill chuck includes precursor, rear body, stopping device and multiple jaws；Jaw is in precursor；Body one end is connected with jaw in precursor afterwards；The other end has stopping device.When protuberance is in back stop slot side-walls, rear body is locked the utility model with Non-return ring, and rear body is fixedly connected with precursor and is integrally formed, it is achieved that all being capable of normal work when the positive and negative twocouese of body is rotated afterwards.
Description
Technical field
The utility model is related to keyless drill chuck field, especially relate to a kind of stopping device and with stopping device from
Locking drill chuck.
Background technology
Drill chuck is the instrument that mechanical processing industry and Power Tools Industries commonly use clamping drilling tool.
Drill chuck is usually to be made up of drill point set, elastic ring, contiguous block, bonnet.In drill point set, its axially position is
Realized using contiguous block, by circumference to jack is stirred, make to move axially in the presence of elastic ring internal thread, accurately
Ground self-centering simultaneously clamps drilling tool, needs using equipped with different drilling tools (as centre drill, drill bit, reamer, screw tap etc.) during work
During drill chuck, Positioning screw can be unclamped, segment is rotated to after desired location, fasten Positioning screw, realize drill chuck multiplexing
The movement of position.
Drill chuck currently on the market, is divided three classes from big to small according to chucking power：Hand fastening drill clutch, spanner drill chuck and
Keyless drill chuck.Three kinds of drill chucks respectively have pluses and minuses.Wherein, hand fastening drill clutch low cost, easy to operate, lightweight, application is wide
General, but its chucking power is little, and precision is relatively low；The cost of spanner drill chuck is relatively low, is widely used, but its operation is not more square
Just；Keyless drill chuck clamping force is big, and precision is higher, but which is relatively costly, and weight is larger, and inconvenient operation.
With the development in epoch, make its application more and more as the precision of keyless drill chuck is higher.
The keyless drill chuck of existing existing market mainly has four kinds of structures, and respectively flat pawl keyless drill chuck, gear self-tightening are bored
Chuck and internal thread and external screw thread keyless drill chuck.Wherein only flat pawl keyless drill chuck application is more, and other three kinds in market
On only see document, lose or seldom see product.
The drill chuck of these four structures is transferred power on jaw by one start screw, is realized jaw and is pressed from both sides in precursor
Movable in pawl hole, and then realize clamping or unclamp drilling tool.
Threaded due to using, keyless drill chuck operationally, can only be rotated forward to ensure drill chuck just
Often work.And if reversion, moment opens by screw thread to may result in drill chuck, gently then cause to damage the thing of processing
Part, heavy then cause drilling tool to throw away outside equipment, cause the danger of damage equipment or personnel.
Therefore, how to solve drill chuck and just can only transfer non-reversible problem, be that present technical staff is urgently to be resolved hurrily
Problem.
Utility model content
The purpose of this utility model is to provide a kind of stopping device and the keyless drill chuck with stopping device, to solve
Technical problem present in prior art.
The stopping device that the utility model is provided, including Non-return ring, lock bracket, back-moving spring and set of unlocking；
The lock bracket includes chassis and roller stand；
The roller stand is fixedly installed on the side on the chassis；
The outside of the roller stand is provided with protuberance；
The set of unlocking is connected with the chassis, the chassis can be driven to rotate by rotating the unlocking set；
Spring shifting block is provided with the chassis；
Spring eye is provided with the Non-return ring；
The back-moving spring is arranged on the spring in the hole, and one end of the back-moving spring is offseted with the spring shifting block,
The other end is offseted with the hole wall of the spring eye；
The inner ring of the Non-return ring is provided with back stop slot；
The roller stand is arranged in the inner ring of the Non-return ring, and the protuberance is arranged in the back stop slot；
The width of the back stop slot can be made between the Non-return ring and the lock bracket more than the width of the protuberance
Produce relative rotation.
Further, the protuberance is roller；
The roller is rotatably arranged on the roller stand.
Further, the protuberance is multiple；
Multiple protuberances are uniformly distributed centered on the axis of the roller stand；
The back stop slot is corresponded with the protuberance and is arranged.
Further, the inner ring of the Non-return ring is polygon；
The back stop slot is arranged on the polygonal corner.
Further, the set of unlocking includes body, connecting rod and unlocking dop；
The body is cylindrical shape；
One end of the connecting rod is fixedly installed on one end of the body；
The other end of the connecting rod is fixedly installed the unlocking dop；
The unlocking dop is arranged on the side of the connecting rod, can coordinate with the unlocking draw-in groove on the chassis, drives
The dynamic lock bracket is rotated.
Further, the unlocking puts and is provided with steel-ball limiting hole.
Further, jaw groove is provided with the lock bracket, pass through the lock when so that jaw is moved on precursor
Frame is determined without being obstructed.
Further, the back-moving spring is stage clip；
The spring eye is arcuate socket；
The arcuate socket is arranged concentrically with the lock bracket.
The utility model additionally provides a kind of keyless drill chuck with stopping device, and which includes precursor, rear body, above-mentioned
Stopping device and multiple jaws；
The jaw is slidably arranged in the precursor；
One end of the rear body is arranged in the precursor, and is connected with the jaw, can be by rotating the rear body
To drive the jaw to move in the precursor；
The stopping device arranges the other end of body in the rear.
Further, it is threaded connection between the rear body and the jaw or gear connection.
A kind of stopping device and the keyless drill chuck with stopping device that the utility model is provided, by lock bracket, only
Move back circle and the cooperation of set of unlocking, will protuberance be set, by the back stop slot on protuberance and Non-return ring on the roller stand of lock bracket
Coordinate, when protuberance is rotated in the middle part of back stop slot, which is not contacted with back stop slot, and then makes the rear body of keyless drill chuck normal
Being capable of normal rotation during work；When side-walls of the protuberance in back stop slot, i.e., when keyless drill chuck is inverted, protuberance will after
Body is locked with Non-return ring, so that rear body is rotated, precursor and rear body is fixed together, and then just achieves rear body
When direction rotates, drilling tool normal work can be clamped；When opposite direction is rotated, body after moment pinning, form the fixing company with precursor
Connect, drill chuck is caused still in the working condition of clamping drilling tool, it is ensured that drilling tool will not fall off, and can normal work.By resetting
Spring, is made protuberance be maintained at the position offseted with retaining groove sidewall, it is ensured that the continuation of retaining, and then ensure that work just
Often carry out.
Description of the drawings
In order to be illustrated more clearly that the utility model specific embodiment or technical scheme of the prior art, below will be right
Needed for specific embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the Structure explosion diagram of the utility model stopping device；
Fig. 2 is the structural representation of the lock bracket of the utility model stopping device；
Fig. 3 is the structural representation of the Non-return ring of the utility model stopping device；
The structural representation of the keyless drill chuck that Fig. 4 is provided for the utility model.
Reference：
1：Unlocking dop 2：Connecting rod 3：Body
4：Lock bracket 5：Roller 6：Bolt
7：Non-return ring 8：Back-moving spring 9：Steel-ball limiting hole
10：Unlocking draw-in groove 11：Roller stand 12：Chassis
13：Roller slot 14：Spring shifting block 15:Link slot
16：Back stop slot 17：Jaw groove 18：Bolt hole
19：Spring eye 20：Precursor 21：Unlock and cover
22：Stopping device 23：Body afterwards
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment obtained under the premise of creative work is not made by field those of ordinary skill, belongs to this practicality
Novel protected scope.
In description of the present utility model, it should be noted that term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", the orientation of instruction such as " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, are only
For the ease of describing the utility model and simplifying description, rather than the device or element of instruction or hint indication must be with specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or hint phase
To importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
As illustrated in the accompanying drawings from 1 to 3, the utility model provides a kind of stopping device, including Non-return ring 7, lock bracket 4, reset bullet
Spring 8 and set 21 of unlocking；The lock bracket 4 includes chassis 12 and roller stand 11；The roller stand 11 is fixedly installed on the chassis
12 side；The outside of the roller stand 11 is provided with protuberance；The set 21 of unlocking is connected with the chassis 12, can be passed through
Rotate described unlocking to cover 21 and drive the chassis 12 to rotate；Spring shifting block 14 is provided with the chassis 12；The Non-return ring 7
On be provided with spring eye 19；The back-moving spring 8 is arranged in the spring eye 19, one end of the back-moving spring 8 with described
Spring shifting block 14 offsets, and the other end is offseted with the hole wall of the spring eye 19；The inner ring of the Non-return ring 7 is provided with back stop slot
16；The roller stand 11 is arranged in the inner ring of the Non-return ring 7, and the protuberance is arranged in the back stop slot 16；Institute
The width of the width more than the protuberance of back stop slot 16 is stated, can make between the Non-return ring 7 and the lock bracket 4, to produce phase
To rotating.
The Non-return ring 7 of stopping device is set on the rear body 23 of keyless drill chuck, is provided with bolt hole 18 on Non-return ring 7,
It is fixed with precursor 20 by bolt 6, lock bracket 4 is arranged on side of the Non-return ring 7 away from precursor 20, and is set in rear body 23
On；Lock bracket 4 includes roller stand 11 and chassis 12, and roller stand 11 is arranged in Non-return ring 7, and chassis 12 is arranged on back stop slot 16
Side；Protuberance is provided with roller stand 11, and protuberance is arranged on the back stop slot 16 that arrange on the inner ring side wall of Non-return ring 7
Interior, and the width of back stop slot 16 is more than the width of protuberance, so that protuberance is rotated in back stop slot 16, and then have can
Offseted with the side wall of back stop slot 16 and do not offseted two states, further, body 23 and precursor after being controlled by two states
Relative rotation state between 20.
When static, in the presence of back-moving spring 8, the protuberance for driving lock bracket is against rear body 23 with Non-return ring 7
At inside, rear body 23 and Non-return ring 7 are locked by protuberance, and then realize the locking to keyless drill chuck so as to rotating
Normal operation can all be carried out.
Spring shifting block 14 is set on the chassis 12 of lock bracket 4, spring eye 19 is provided with Non-return ring 7, by spring shifting block
14 one end is fixedly connected with chassis 12, and the other end is extend in spring eye 19；Back-moving spring 8 is provided with spring eye 19, multiple
Position spring 8 one end offset with spring shifting block 14, the other end is offseted with the side wall of the end of spring eye 19, so make protuberance and
The side wall of back stop slot 16 is offseted all the time, and only after spring shifting block 14 stirs spring, roller stand 11 drives protuberance to rotate,
Protuberance can be made not to be contacted with back stop slot 16, and then can just make rear body 23 phase can be produced when rotating and reverse with precursor 20
To rotating, the clamping of jaw and release could be adjusted.
After adjustment is finished, in the presence of back-moving spring 8, spring shifting block 14 is resetted, and then protuberance is resetted, after making
Body 23 can only could keep relatively rotating when rotating forward with precursor 20, and lock together in reversion, and then make self-tightening drill point
Head is relatively rotated precursor and rear physical efficiency, keeps lasting clamping force of the drill chuck to drilling tool when rotating forward.
Reversion when, rear body was pinned by stopping device moment, is fixedly connected with precursor and is integrally formed, when after 23 opposite direction of body
During rotation, precursor 20 and the drilling tool being clamped can only be driven to carry out opposite direction rotation together so that drill chuck still keeps rotating forward
When clamping force, and then make to rotate and reverse and can carry out normal work.
When drill chuck will change drilling tool, only lock bracket 4 need to be driven by set 21 of unlocking with hand, from latched position to retaining
The direction fine rotation of groove 16, so that it may so that protuberance leaves latched position, and then make rear body 23 in precursor 20, keep just,
The reciprocal purpose for freely rotating, realizing unclamping or initially clamping drilling tool.
It is preferred embodiment that the protuberance is roller 5；The roller 5 is rotatably arranged on the roller stand 11.
In the present embodiment, protuberance is set to roller 5, by the rolling of roller 5, protuberance can be reduced with rear body
Friction between 23 and Non-return ring 7, enables the very labour-saving of roller stand 11 to be rotated, when turning to roller 5 and back stop slot 16
Cell wall when offset, roller 5 will be stuck with Non-return ring 7 for rear body 23, as Non-return ring 7 is fixed on precursor 20, and then will
Body 23 is locked with precursor 20 afterwards, it is to avoid cause jaw to unclamp drilling tool due to reversion, it is ensured that being smoothed out of work, with
When also ensure that the security of operation.
The roller 5 of protuberance is cylinder in the present embodiment, arranges multiple roller slots 13, roller slot 13 on roller stand 11
The relative side wall in left and right two be arc-shaped, cylindrical roller 5 is placed in roller slot 13, and roller 5 with diameter greater than
The thickness of roller stand 11, and then make roller 5 prominent from roller slot 13, forms protuberance, disclosure satisfy that locking precursor 20 with
The requirement of body 23 afterwards.
It is pointed out that protuberance can be cylinder, but which is not limited solely to a kind of this form, and which can also be
Other structure types, as long as which can be arranged in back stop slot 16, and can from roller stand 11 outwardly after a part
Offseted by the cell wall with back stop slot 16 and rear body 23 and precursor 20 are locked.
It is preferred embodiment that the protuberance is multiple；Multiple protuberances are with the axis of the roller stand 11
Centered on be uniformly distributed；The back stop slot 16 is corresponded with the protuberance and is arranged.
In the present embodiment, protuberance is set to multiple, that is to say, that be set to roller 5 multiple, and which is with roller stand 11
Axis centered on be uniformly distributed, and the quantity of back stop slot 16 is identical with the quantity of protuberance, and both positions correspond.
Being uniformly arranged for protuberance, when precursor 20 can be made to lock with rear body 23, mutual between precursor 20 and rear body 23
Force ratio is more uniform, it is to avoid unbalance stress and cause the local damage of rear body 23 or precursor 20, it is ensured that body 23 and front afterwards
The service life of body 20.
In the present embodiment, roller 5 is six, and back stop slot 16 is also six.
It is preferred embodiment that the inner ring of the Non-return ring 7 is polygon；The back stop slot 16 is arranged on described polygon
The corner of shape.
As the inner ring processing groove body phase in Non-return ring 7 is bothered to technics comparing, therefore, in the present embodiment, by retaining
The inner ring of circle 7 is set to regular polygon, and each angle of regular polygon is corresponding with a roller 5, makes as back stop slot 16
With, and then can not only achieve precursor 20 and rear body 23 are entered line-locked purpose in reversion, and it is also convenient for back stop slot
16 processing, reduces production cost.
In the present embodiment, the inner ring of Non-return ring 7 is regular hexagon, on each angle orthohexagonal and roller stand 11
Individual roller 5 is corresponding, and has carried out arc machining on orthohexagonal angle, to ensure that roller 5 can be at orthohexagonal angle
Position rotated by a small margin, to realize two state changes can unlocking and lock.
It is preferred embodiment that the set 21 of unlocking includes body 3, connecting rod 2 and unlocking dop 1；The body 3 is
Cylindric；One end of the connecting rod 2 is fixedly installed on one end of the body 3；The other end of the connecting rod 2 is fixedly installed
There is the unlocking card head 1；The unlocking dop 1 is arranged on the side of the connecting rod 2, can with the chassis 12 on unlocking
Draw-in groove 10 coordinates, and drives the lock bracket 4 to rotate.
Set 21 of unlocking includes body 3, connecting rod 2 and unlocking dop 1, and body 3 is enclosed within rear body 23, one end of connecting rod 2
It is fixedly connected with one end of body 3, the other end is fixedly connected with unlocking dop 1, unlocking dop 1 is arranged on the inner side of connecting rod 2,
L shape is formed i.e. between the side on chassis 12, unlocking dop 1 and connecting rod 2, and unlocking dop 1 is arranged on opening on chassis 12
In locking trough 10, coordinate with unlocking draw-in groove 10, chassis 12 can be driven to rotate, and then drive roller stand 11 to rotate, be further able to
Enough change the relative position relation of roller 5 and back stop slot 16, be changed the lock-out state between rear body 23 and precursor 20.
In the present embodiment, link slot 15 is provided with Non-return ring 7, connecting rod 2 is arranged in link slot 15, by connection
The width of groove 15 is more than the width of connecting rod 2, and then can limit the slewing area of connecting rod 2 by link slot 15.Meanwhile,
Also the slewing area of roller stand 11 can be limited by the cooperation of the spring shifting block 14 on chassis 12 and spring eye 19.
Steel-ball limiting hole 9 is provided with the set 21 of unlocking.By spacing, it is to avoid drill chuck is in reversion because turning suddenly
Move and unlocking set 21 is made because inertia produces relative rotation with rear body 23 and then makes unlocking dop 1 drive 14 turns of spring shifting block
Move, cause stopping device failure, cause drilling tool to come off the generation of situation.
It is preferred embodiment in the lock bracket 4, to be provided with jaw groove 17, when so that jaw is moved on precursor 20
Enough through the lock bracket 4 without being obstructed.
In the present embodiment, jaw groove 17 is provided with lock bracket 4, can make jaw in the hole of the jaw on precursor 20
When mobile, will not offset with lock bracket 4, and then ensure that the normal operation of jaw.
It is preferred embodiment that the back-moving spring 8 is stage clip；The spring eye 19 is arcuate socket；The arcuate socket
It is arranged concentrically with the lock bracket 4.
In the present embodiment, back-moving spring 8 is set to stage clip.Use stage clip be easy to reset bullet as back-moving spring 8
The installation of spring 8, if stage clip is placed in spring eye 19, and the side wall phase by one end of stage clip and the end of spring eye 19
Support, the other end is offseted with spring shifting block 14.
It is pointed out that in the present embodiment, back-moving spring 8 is stage clip, but which is not limited solely to stage clip, and which may be used also
To be extension spring, when using extension spring, its one end is hung on the side wall of spring eye 19, and the other end is hung on spring shifting block 14, is used
During extension spring, installation is relatively complicated, but its stability is of a relatively high, can carry out selection use according to different demands；Multiple
Position spring 8 can be with torsion spring etc., that is to say, that as long as which can give 14 1 lasting power of spring shifting block, dial can spring
14 drive chassis 12 and then drive roller stand 11, are further driven to roller 5 and lock rear body 23 and precursor 20.
In the present embodiment, spring eye 19 is set to arcuate socket, and which is arranged concentrically with lock bracket 4, and spring can be easy to dial
14 rotation.
The utility model additionally provides a kind of keyless drill chuck with stopping device, as shown in figure 4, which includes precursor
20th, rear body 23, above-mentioned stopping device 22 and multiple jaws；The jaw is slidably arranged in the precursor 20；After described
One end of body 23 is arranged in the precursor 20, and is connected with the jaw, can be by rotating the rear body 23 to drive
State jaw to move in the precursor 20；The stopping device 22 arranges the other end of body 23 in the rear.
Drive by rear body 23 jaw in 20 interior slip of precursor, it is locked by stopping device 22, make folder
Pawl can only be moved forward, i.e., can only be clamped and can not unclamp, and then ensure that keyless drill chuck, in reversion, will not make drilling tool
Depart from from jaw, and then being smoothed out for production operation is ensure that, while also ensure that the personal safety of operating personnel.
It is preferred embodiment to be threaded connection between the rear body 23 and the jaw or gear is connected.
Type of drive between body 23 and jaw has many kinds afterwards, can be such as threaded be driven, or
Gear connection is driven, as long as which can drive jaw to be slided in the jaw in the hole of precursor 20 by the rotation of rear body 23
Dynamic, and then make jaw clamping or unclamp.
A kind of stopping device and the keyless drill chuck with stopping device that the utility model is provided, by lock bracket 4, only
The cooperation for enclosing 7 and set 21 of unlocking is moved back, will protuberance be set, by protuberance and Non-return ring 7 on the roller stand 11 of lock bracket 4
Back stop slot 16 coordinates, and when keyless drill chuck is rotated forward, protuberance is rotated at 16 middle part of back stop slot, and which is not connect with back stop slot 16
Touch, and then enable 23 normal rotation of rear body of keyless drill chuck；When keyless drill chuck is inverted, protuberance is in back stop slot 16
Rear body 23 and 7 instantaneous-locking of Non-return ring are made rear body 23 be rotated relative to precursor 20, Jin Ershi by side-walls, protuberance
When having showed the positive and negative twocouese of rear body 23 and having rotated, all being capable of normal work；By back-moving spring 8, it is maintained at protuberance and retaining
The position that 16 side wall of groove offsets, it is ensured that the continuation of retaining, and then ensure that being normally carried out for work.
When drill chuck will change drilling tool, two hands only need to be held rear enclosure respectively that be fixedly connected with rear body and be in
The unlocking set being fixedly connected with precursor when opening stopping device, does relative rotation, you can easily unclamp drill chuck, realizes more
Change the purpose of drilling tool.
Finally it should be noted that：Various embodiments above is only in order to illustrating the technical solution of the utility model, rather than which is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of stopping device, it is characterised in that including Non-return ring, lock bracket, back-moving spring and set of unlocking；
The lock bracket includes chassis and roller stand；
The roller stand is fixedly installed on the side on the chassis；
The outside of the roller stand is provided with protuberance；
The set of unlocking is connected with the chassis, the chassis can be driven to rotate by rotating the unlocking set；
Spring shifting block is provided with the chassis；
Spring eye is provided with the Non-return ring；
The back-moving spring is arranged on the spring in the hole, and one end of the back-moving spring is offseted with the spring shifting block, another
The hole wall with the spring eye is held to offset；
The inner ring of the Non-return ring is provided with back stop slot；
The roller stand is arranged in the inner ring of the Non-return ring, and the protuberance is arranged in the back stop slot；
The width of the back stop slot can make to produce between the Non-return ring and the lock bracket more than the width of the protuberance
Relatively rotate.
2. stopping device according to claim 1, it is characterised in that the protuberance is roller；
The roller is rotatably arranged on the roller stand.
3. stopping device according to claim 1, it is characterised in that the protuberance is multiple；
Multiple protuberances are uniformly distributed centered on the axis of the roller stand；
The back stop slot is corresponded with the protuberance and is arranged.
4. stopping device according to claim 3, it is characterised in that the inner ring of the Non-return ring is polygon；
The back stop slot is arranged on the polygonal corner.
5. stopping device according to claim 1, it is characterised in that the unlocking set is including body, connecting rod and unlocking
Dop；
The body is cylindrical shape；
One end of the connecting rod is fixedly installed on one end of the body；
The other end of the connecting rod is fixedly installed the unlocking dop；
The unlocking dop is arranged on the side of the connecting rod, can coordinate with the unlocking draw-in groove on the chassis, drives institute
State lock bracket rotation.
6. stopping device according to claim 1, it is characterised in that the unlocking puts and is provided with steel-ball limiting hole.
7. stopping device according to claim 1, it is characterised in that be provided with jaw groove in the lock bracket, make jaw
Can be through the lock bracket without being obstructed when moving on precursor.
8. stopping device according to claim 1, it is characterised in that the back-moving spring is stage clip；
The spring eye is arcuate socket；
The arcuate socket is arranged concentrically with the lock bracket.
9. a kind of keyless drill chuck with stopping device, it is characterised in that including precursor, rear body, any one of claim 1-8
Described stopping device and multiple jaws；
The jaw is slidably arranged in the precursor；
One end of the rear body is arranged in the precursor, and is connected with the jaw, can be carried by rotating the rear body
Move the jaw to move in the precursor；
The stopping device arranges the other end of body in the rear.
10. keyless drill chuck according to claim 9, it is characterised in that pass through spiral shell between the rear body and the jaw
Line connection or gear connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621014660.6U CN205996233U (en) | 2016-08-31 | 2016-08-31 | Stopping device and the keyless drill chuck with stopping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621014660.6U CN205996233U (en) | 2016-08-31 | 2016-08-31 | Stopping device and the keyless drill chuck with stopping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205996233U true CN205996233U (en) | 2017-03-08 |
Family
ID=58193971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621014660.6U Withdrawn - After Issue CN205996233U (en) | 2016-08-31 | 2016-08-31 | Stopping device and the keyless drill chuck with stopping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205996233U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180777A (en) * | 2016-08-31 | 2016-12-07 | 柳尧亭 | Stopping device and there is the keyless drill chuck of stopping device |
| CN110345172A (en) * | 2018-04-02 | 2019-10-18 | 法法汽车(中国)有限公司 | Clutch lock locking mechanism, lock-up clutch and two speed transmission |
-
2016
- 2016-08-31 CN CN201621014660.6U patent/CN205996233U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180777A (en) * | 2016-08-31 | 2016-12-07 | 柳尧亭 | Stopping device and there is the keyless drill chuck of stopping device |
| CN106180777B (en) * | 2016-08-31 | 2018-04-27 | 柳尧亭 | Stopping device and the keyless drill chuck with stopping device |
| CN110345172A (en) * | 2018-04-02 | 2019-10-18 | 法法汽车(中国)有限公司 | Clutch lock locking mechanism, lock-up clutch and two speed transmission |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170308 Effective date of abandoning: 20180427 |
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| AV01 | Patent right actively abandoned |