CN205927167U - Chuck - Google Patents
Chuck Download PDFInfo
- Publication number
- CN205927167U CN205927167U CN201620387928.4U CN201620387928U CN205927167U CN 205927167 U CN205927167 U CN 205927167U CN 201620387928 U CN201620387928 U CN 201620387928U CN 205927167 U CN205927167 U CN 205927167U
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- China
- Prior art keywords
- protheca
- chuck
- screw
- auxiliary
- wheel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Drilling And Boring (AREA)
- Gripping On Spindles (AREA)
Abstract
The utility model provides a chuck, chuck includes: bore the body (10), have a plurality of mounting holes, install in a plurality of mounting holes a plurality of clamping jaws (20) one -to -one a plurality of clamping jaws (20), establish in ring channel (12) of boring the body (10) screw (30), cover, the matching the external screw of screw (30) and clamping jaw (20), protheca (40), cover establish screw (30) outside and with screw (30) fixed connection, be provided with the drive division on protheca (40), drive division drive protheca (40) rotation is so that the instrument of cliping is tightened up in a plurality of clamping jaw (20). The technical scheme of the utility model the problem that the output torque who bores chuck's centre gripping drill bit among the prior art can not not satisfy job requirements has been solved effectively.
Description
Technical field
The utility model is related to clamp art, in particular to a kind of chuck.
Background technology
In prior art, drill chuck is typically made up of drill body, jaw, screw, nut sleeve, bearing, steel pad, rear enclosure, protheca,
Three jaws are separately mounted in three decile inclined holes of drill body, and screw is arranged in the screw groove of drill body, screw and jaw
Screw thread forms thread transmission, and nut sleeve is fixedly connected with screw, and nut sleeve is moulded in protheca, and rear enclosure is fixing with drill body even
Connect, there are screwed hole or taper hole in drill body rear portion.When installing and using, the power transmission shaft of the screwed hole at drill body rear portion or taper hole and power equipment
Connect, during drive axis, drive drill body to drive three-jaw and folded instrument synchronous axial system.But, in the neck of some high-strength workings
During the work of domain, the output torque of the clamping drill bit of drill chuck of the prior art can not meet job requirements, and drill bit is easily loosening.
Utility model content
Main purpose of the present utility model is to provide a kind of chuck, to solve the clamping drill bit of drill chuck in prior art
Output torque can not meet the problem of job requirements.
To achieve these goals, the utility model provides a kind of chuck, including：Drill body, has multiple installing holes；Many
Individual jaw, multiple jaws are arranged in multiple installing holes correspondingly；Screw, is set in the cannelure of drill body, screw with
The external screw thread cooperation of jaw；Protheca, is set in outside screw and is fixedly connected with screw, protheca is provided with drive division, drive division
Protheca is driven to rotate so that multiple jaw tightens up the instrument of clamping.
Further, drive division is multiple cone teeth of the end being arranged on protheca.
Further, chuck also includes auxiliary and pulls wheel, auxiliary pull wheel have the activation point engaging with multiple cone teeth and with
Multiple cone detached separation point positions of tooth, when auxiliary is pulled wheel and is in activation point, auxiliary is pulled wheel drive protheca and is rotated.
Further, auxiliary is pulled wheel and is included the body of rod and be set in bevel gear on the body of rod, assists and pulls wheel and be in activation point
When, bevel gear is engaged with multiple cone teeth.
Further, the outer peripheral face of drill body is provided with fixing hole, when auxiliary is pulled wheel and is in activation point, the first of the body of rod
In end insertion fixing hole, the second end formation operating side of the body of rod.
Further, auxiliary is pulled to take turns and is also included action bars, and action bars is connected on operating side, has between action bars and the body of rod
There is angle.
Further, action bars and the body of rod are vertically arranged.
Further, multiple cone teeth are arranged on the lower end of protheca.
Further, multiple cone teeth are evenly arranged along the circumference of protheca.
Further, fixing hole is multiple.
Further, protheca is set on the front end of drill body, and chuck also includes rear enclosure, and rear enclosure is set in the rear end of drill body
On.
Further, chuck also includes bearing and bearing gasket, and bearing gasket is arranged on drill body, bearing be arranged on bearing gasket and
Between screw.
Application the technical solution of the utility model, arranges drive division on protheca, and drive division drives protheca to rotate so that many
Individual jaw tightens up jaw instrument.In the field of the operation of some high intensity, during chuck work, protheca is driven to turn by drive division
Move the output torque that clinch ear obtains enough clamping drill bits, be effectively prevented from the easily loosening situation of drill bit in operation.?
In conventional arts, during chuck work, operating personnel quickly go up locking drill chuck with hand rotation and clamp drill bit.Said structure was both
The function of hand-tight drill bit drill chuck can be realized it is also possible to realize the function of drive division clamp drill clamping head, full by two functions
The job requirements of sufficient different field.
Brief description
The Figure of description constituting the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used for explaining the utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 shows the decomposing schematic representation of the embodiment according to chuck of the present utility model；
Fig. 2 shows that the cone tooth of the chuck of Fig. 1 and auxiliary pull the schematic diagram of wheel cooperation；And
Fig. 3 shows the cross-sectional schematic of the drill body of the chuck of Fig. 1.
Wherein, above-mentioned accompanying drawing includes the following drawings mark：
10th, drill body；11st, fixing hole；12nd, cannelure；13rd, inclined hole；20th, jaw；30th, screw；40th, protheca；41st, bore tooth；
50th, auxiliary pulls wheel；51st, the body of rod；52nd, bevel gear；53rd, action bars；60th, rear enclosure；70th, bearing；80th, bearing gasket.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Mutually combine.To describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in figures 1 and 3, the chuck of the present embodiment includes：Drill body 10, multiple jaw 20, screw 30 and protheca 40.Bore
Body 10 has multiple installing holes；Multiple jaws 20 are arranged in multiple installing holes correspondingly；Screw 30 is set in drill body 10
Cannelure 12 in, the external screw thread cooperation of screw 30 and jaw 20；It is outer and fixing with screw 30 even that protheca 40 is set in screw 30
Connect, protheca 40 is provided with drive division, drive division drives protheca 40 to rotate so that multiple jaw 20 tightens up the instrument of clamping.
The chuck of application the present embodiment, arranges drive division on protheca 40, and drive division drives protheca 40 to rotate so that multiple
Jaw 20 tightens up jaw instrument.In the field of the operation of some high intensity, during chuck work, protheca is driven to turn by drive division
Move the output torque that clinch ear obtains enough clamping drill bits, be effectively prevented from the easily loosening situation of drill bit in operation.?
In conventional arts, during chuck work, operating personnel quickly go up locking drill chuck with hand rotation and clamp drill bit.Said structure was both
The function of hand-tight drill bit drill chuck can be realized it is also possible to realize the function of drive division clamp drill clamping head, full by two functions
The job requirements of sufficient different field.
Installing hole is the multiple inclined holes 13 tilting with respect to the axis of drill body.Preferably, as shown in Fig. 2 drive division is to set
Put the multiple cone teeth 41 in the end of protheca 40.Rotated by driving cone tooth 41, and then drive protheca 40 to rotate, structure is simple,
Manufacture easy, with low cost.
For the ease of driving cone tooth 41 to rotate, alternatively, as shown in Fig. 2 chuck also includes auxiliary pulls wheel 50, auxiliary pulls wheel
50 have with the activation point of multiple cone tooth 41 engagements and bore the detached separation point positions of tooth 41 with multiple, and auxiliary is pulled wheel 50 and is in drive
During dynamic position, auxiliary is pulled wheel 50 driving protheca 40 and is rotated.When needing clamping tool, auxiliary is pulled wheel 50 and is in activation point, turns
Dynamic auxiliary is pulled wheel 50 and protheca 40 just can be driven to rotate, and then drives jaw 20 to tighten up the instrument of clamping.When needing back off tool,
Rotation auxiliary is pulled wheel 50 and protheca 40 just can be driven to rotate, and then drives jaw 20 to open back off tool.Clamp or back off tool
After auxiliary can be pulled wheel and take off, at this moment instrument is operable.When hand-tight function clamping drill bit can not meet job requirements, can
To go up locking drill chuck and to obtain the output torque of enough clamping drill bits to pull the teeth portion cooperation taken turns with protheca using auxiliary.
Preferably, auxiliary is pulled wheel 50 and is included the body of rod 51 and be set in bevel gear 52 on the body of rod 51, and auxiliary is pulled wheel 50 and is in
During activation point, bevel gear 52 is engaged with multiple cone teeth 41.The structure that auxiliary pulls wheel 50 is simple, and easy to process, reduction is manufactured into
This, use manpower and material resources sparingly.
Rotate for the ease of operation bevel gear 52, the outer peripheral face of drill body 10 is provided with fixing hole 11, auxiliary is pulled at wheel 50
When activation point, in the first end insertion fixing hole 11 of the body of rod 51, the second end formation operating side of the body of rod 51.When need clamp
Or during back off tool, by the first end insertion fixing hole 11 of the body of rod 51, at this moment bevel gear 52 is engaged with multiple cone teeth 41, then
Rotating operation end, bevel gear 52 concomitant rotation, and then drive multiple cone teeth 41 to rotate, and thus driving protheca 40 to rotate, protheca 40
Drive jaw 20 to tighten up to clamp or open back off tool.When hand-tight function clamping drill bit can not meet job requirements, can make
Pulled with auxiliary to take turns and coordinate to go up locking drill chuck and to obtain enough power outputs clamping drill bit by the teeth portion of fixing hole and protheca
Square.
Auxiliary is pulled wheel 50 and is also included action bars 53, and action bars 53 is connected on operating side, between action bars 53 and the body of rod 51
There is angle.Action bars 53 can facilitate operating personnel to be operated, easy and simple to handle laborsaving, and the work reducing operating personnel is strong
Degree.Preferably, action bars 53 and the body of rod 51 are vertically arranged.Easy to process, operation is easier to be laborsaving.
For the ease of operating personnel's operation, multiple cone teeth 41 are arranged on the lower end of protheca 40, and fixing hole 11 is arranged on drill body
The side face of lower end on.So the lower end in chuck can be carried out operating, easy to operate, time saving and energy saving.
Multiple cone teeth 41 are evenly arranged along the circumference of protheca 40.Structure is simple, manufactures easy.It is of course also possible in protheca
The part setting cone tooth 41 of 40 circumference, needs to arrange as the case may be.
Fixing hole 11 is multiple.Multiple fixing holes 11 can conveniently be operated, and during installation, selects in the face of operating personnel's
That fixing hole 11, then will be operated in the first end insertion fixing hole 11 of the body of rod 51.Multiple fixing holes 11 are along drill body 10
Circumference be evenly arranged.Manufacture easy, with low cost.
Protheca 40 is set on the front end of drill body 10, and chuck also includes rear enclosure 60, and rear enclosure 60 is set in the rear end of drill body 10
On.
Chuck also includes bearing 70 and bearing gasket 80, and bearing gasket 80 is fixed on drill body 10, and bearing 70 is arranged on bearing gasket
Between 80 and screw 30.
From the foregoing, the chuck of the present embodiment is related to drilling attachment in a kind of hardware ＆ tools and machine tool, specifically
Say be a kind of with electric drill or when the working-spindle of lathe matches, can with tight on hand or with pull wheel tighten rear normal work double on
The drill chuck of tight mode function, both can realize the function of hand fastening drill clutch it is also possible to realize the function of spanner drill chuck.Specifically
Ground, drill chuck includes drill body, jaw, screw, metal protheca, metal rear enclosure, bearing and bearing gasket.Three jaws are separately mounted to
In three decile inclined holes of drill body, screw is arranged in the cannelure of drill body, and screw forms screw-driven with the external screw thread of jaw
Mechanism, metal protheca is fixedly connected with screw, and bearing gasket is fixed on drill body, bearing between bearing gasket and screw, after metal
Set is fixedly connected with drill body, and there are screwed hole or taper hole in drill body rear portion, and is connected with electric drill host output shaft.Host output shaft rotates
When drive drill body to drive three jaws and folded instrument synchronous axial system.During operation, both can rotate gold using holding metal rear enclosure
Belong to protheca quickly go up locking drill chuck to clamp drilling work, also using pull take turns act on the fixing hole of drill body and the tooth of metal protheca
Take turns and to go up locking drill chuck operation.That is, when in general field operation, using holding metal rear enclosure, before rotating metal
Set is quickly gone up locking drill chuck to clamp drilling work, and when the field of some high-strength workings works, needs to use and pull crop rotation
Pulling locking drill chuck on the gear of wheel bore and metal protheca and obtaining the output torque of enough clamping drill bits used in drill body, keeps away
Exempt from the tight function of drill bit in operation.
During use, function one：To clamping direction hand rotation metal protheca, hold metal rear enclosure, by cuff before metal
Dynamic screw rotates, through screw-driven, the instrument such as jaw clamping drill bit；When needing to unclamp drill bit, grasp metal rear enclosure, to
Unclamp direction rotating metallic protheca, jaw is return, and unclamps drill bit.Function two：Pull in the fixing hole of wheel insertion drill body, and and metal
The gear cooperation of protheca, drives screw to rotate by pulling the cooperation of sleeve gear before wheel and metal, and through screw-driven, jaw clamping is bored
First-class instrument；When needing to unclamp drill bit, rotate metal protheca with metal protheca to unclamping direction using pulling wheel, jaw is return,
Unclamp drill bit.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect：
Drill chuck rational in infrastructure, easy for operation, drill chuck is a kind of difunctional drill chuck, it is possible to achieve hand-tight folder
Head and two functions of spanner chuck.Specifically, when in general field operation, it is possible to use the function of hand fastening drill clutch is with quick-moving
Speed tightens and unclamps chuck；When in the work of the field of some high-strength workings, the clamping torque of hand-tight output can not meet operation
During demand, it is possible to use auxiliary accessories are pulled and taken turns that to obtain enough clampings defeated by the wheel bore of pulling of the gear of metal protheca and drill body
Go out moment to meet job requirements；This chuck both can realize the operation function of hand fastening drill clutch it is also possible to realize spanner drill point
The operation function of head, meets the job requirements of different field by two functions.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.All of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.
Claims (11)
1. a kind of chuck is it is characterised in that include：
Drill body (10), has multiple installing holes；
Multiple jaws (20), multiple described jaws (20) are arranged in multiple described installing holes correspondingly；
Screw (30), is set in the cannelure (12) of described drill body (10), and described screw (30) is outer with described jaw (20)
Screw thread coordinates；
Protheca (40), is set in described screw (30) and is fixedly connected outward and with described screw (30), and described protheca (40) is upper to be arranged
There is drive division, described drive division drives described protheca (40) to rotate so that multiple described jaw (20) tightens up the instrument of clamping；
Described drive division is multiple cone teeth (41) of the end being arranged on described protheca (40).
2. chuck according to claim 1 pulls wheel (50), described auxiliary it is characterised in that described chuck also includes auxiliary
Pull the activation point that wheel (50) has with multiple described cones tooth (41) are engaged and separately position detached with multiple described cones tooth (41)
Put, when described auxiliary is pulled wheel (50) and is in described activation point, described auxiliary is pulled wheel (50) and drives described protheca (40) to rotate.
3. chuck according to claim 2 is it is characterised in that described auxiliary is pulled wheel (50) the inclusion body of rod (51) and is set in
Bevel gear (52) on the described body of rod (51), when described auxiliary is pulled wheel (50) and is in described activation point, described bevel gear (52)
Engage with multiple described cones tooth (41).
4. chuck according to claim 3 is it is characterised in that be provided with fixing hole on the outer peripheral face of described drill body (10)
(11), when, described auxiliary is pulled wheel (50) and is in described activation point, the first end of the described body of rod (51) inserts described fixing hole
(11) in, the second end formation operating side of the described body of rod (51).
5. chuck according to claim 4 also includes action bars (53), institute it is characterised in that described auxiliary pulls wheel (50)
State action bars (53) to be connected on described operating side, between described action bars (53) and the described body of rod (51), there is angle.
6. chuck according to claim 5 is it is characterised in that described action bars (53) is vertical with the described body of rod (51) sets
Put.
7. chuck according to claim 1 is it is characterised in that multiple described cone tooth (41) is arranged on described protheca (40)
Lower end.
8. chuck according to claim 1 is it is characterised in that multiple described tooth (41) of boring is along the circumference of described protheca (40)
It is evenly arranged.
9. chuck according to claim 4 is it is characterised in that described fixing hole (11) is multiple.
10. chuck according to claim 1 is it is characterised in that before described protheca (40) is set in described drill body (10)
On end, described chuck also includes rear enclosure (60), and described rear enclosure (60) is set on the rear end of described drill body (10).
11. chucks according to claim 1 it is characterised in that described chuck also includes bearing (70) and bearing gasket (80),
Described bearing gasket (80) is arranged on described drill body (10), and described bearing (70) is arranged on described bearing gasket (80) and described screw
(30) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620387928.4U CN205927167U (en) | 2016-04-29 | 2016-04-29 | Chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620387928.4U CN205927167U (en) | 2016-04-29 | 2016-04-29 | Chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205927167U true CN205927167U (en) | 2017-02-08 |
Family
ID=57934934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620387928.4U Active CN205927167U (en) | 2016-04-29 | 2016-04-29 | Chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205927167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543962A (en) * | 2018-06-12 | 2018-09-18 | 山东威达机械股份有限公司 | A kind of drill chuck |
-
2016
- 2016-04-29 CN CN201620387928.4U patent/CN205927167U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543962A (en) * | 2018-06-12 | 2018-09-18 | 山东威达机械股份有限公司 | A kind of drill chuck |
| CN108543962B (en) * | 2018-06-12 | 2023-07-07 | 山东威达机械股份有限公司 | Drill chuck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |