CN201223955Y - Novel self-clamping holder for drill - Google Patents

Novel self-clamping holder for drill Download PDF

Info

Publication number
CN201223955Y
CN201223955Y CNU2008200882346U CN200820088234U CN201223955Y CN 201223955 Y CN201223955 Y CN 201223955Y CN U2008200882346 U CNU2008200882346 U CN U2008200882346U CN 200820088234 U CN200820088234 U CN 200820088234U CN 201223955 Y CN201223955 Y CN 201223955Y
Authority
CN
China
Prior art keywords
adapter sleeve
sleeve
drill chuck
locking
connector
Prior art date
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.)
Expired - Fee Related
Application number
CNU2008200882346U
Other languages
Chinese (zh)
Inventor
周文华
蔡妙君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Sanou Machinery Co Ltd
Original Assignee
Zhejiang Sanou Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Sanou Machinery Co Ltd filed Critical Zhejiang Sanou Machinery Co Ltd
Priority to CNU2008200882346U priority Critical patent/CN201223955Y/en
Application granted granted Critical
Publication of CN201223955Y publication Critical patent/CN201223955Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a novel self-tightening drill chuck, which comprises a connector connected with a drive machine, a screw rod reversely connected with a center hole of the connector through thread, a clip claw, a front sleeve, a clip claw frame and a connecting sleeve connected with the clip claw frame; the drill chuck is provided with a sleeve body which can drive the connecting sleeve to rotate; a clutch connecting mechanism is arranged between the sleeve body and the connecting sleeve; the connecting sleeve is provided with a spacing configuration through which the sleeve body is rotated relatively to the connecting sleeve; the sleeve body is provided with a sleeve body rotating angle spacing configuration matched with the connecting sleeve spacing configuration; and the clutch connecting mechanism is provided with a connecting location corresponding to the sleeve body rotating angle. The utility model is easy to operate and can clamp the drill chuck or release the aiguille through operating the sleeve body; moreover, after the drill chuck is provided with a self-locking structure, the utility model can control the self-locking structure by operating the sleeve body, so that the clip claw can always clamp the aiguille no matter the drill chuck is rotated in forward or reverse direction after the aiguille is tightly clamped.

Description

A kind of novel keyless drill chuck
Technical field
The utility model relates to a kind of keyless drill chuck, relates in particular to a kind of for example keyless drill chuck on the drilling machine of driving device equipment that is installed in.
Background technology
In the prior art, keyless drill chuck is provided with connector, jaw, jaw frame that is connected with driving device and a plurality of bodies that are centered around the drill chuck surface.The screw rod that is threaded and is connected with jaw in the endoporus of connector moves forward and backward and clamps or the drilling tool that gets loose thereby the advance and retreat by screw rod drive jaw.This drill chuck, jaw might become flexible and get loose to the clamping of drill bit when drill chuck reverses.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of easy to operate and the novel keyless drill chuck that can control this structure behind the self-locking structure and can both clamp drill bit when making drill chuck in positive and negative rotation is being installed.For this reason, the utility model is by the following technical solutions: it comprises the connector that connects driving device, the screw rod that is connected with connector centre bore reverse thread, jaw, protheca, the jaw frame, the adapter sleeve that is connected with the jaw frame, described drill chuck is provided with and drives the body that adapter sleeve rotates, be provided with clutch bindiny mechanism between described body and the adapter sleeve, described adapter sleeve is provided with the spacing configuration that described body rotates relative to adapter sleeve, described body is provided with the spacing configuration of body rotational angle that cooperates with the spacing configuration of described adapter sleeve, and described clutch bindiny mechanism has the connection position corresponding with described body rotational angle.Owing to adopt the technical solution of the utility model, the utility model is easy to operate, can described body be realized the clamping of drill chuck and the drill bit work that gets loose by operating, and, after drill chuck is installed self-locking structure, can also control self-locking structure by operating described body, make drill chuck after jaw clamps drill bit, no matter forward and reverse rotation, jaw clamps drill bit all the time.
Description of drawings
Fig. 1 partly cuts open schematic diagram for a kind of embodiment of the utility model.
Fig. 2 is for when when locking element and teeth groove disengage, the A-A cutaway view of Fig. 1.
Fig. 3 is when from locking element and teeth groove lock fit, the A-A cutaway view of Fig. 1.
Fig. 4 is the explosive view of embodiment shown in Figure 1.
Fig. 5 is the cross-sectional view of the described body of embodiment shown in Figure 1.
Fig. 6 is the stereogram of the adapter sleeve of embodiment shown in Figure 1.
Fig. 7 is the stereogram from locking element of embodiment shown in Figure 1.
The specific embodiment
With reference to accompanying drawing.The utility model comprises the connector 1 that connects driving device, the screw rod 7 that is connected with connector centre bore reverse thread, jaw 8, protheca 5, jaw frame 6, the adapter sleeve 3 that is connected with the jaw frame, described drill chuck is provided with and drives the body 4 that adapter sleeve rotates, be provided with clutch bindiny mechanism between described body and the adapter sleeve, described adapter sleeve is provided with the spacing configuration that body rotates relative to adapter sleeve, described body is provided with the spacing configuration of body rotational angle that cooperates with the spacing configuration of described adapter sleeve, and described clutch bindiny mechanism has the connection position corresponding with the body rotational angle.
As shown in the figure, evenly be provided with 3 jaw gathering sills on the jaw frame, 3 jaws are divided in the jaw gathering sill and with screw rod 7 and are connected.The front end of adapter sleeve 3 is threaded with protheca 5 and jaw frame 6 respectively, and connector is provided with the axial location boss 12 of protheca 5, installation sleeve 3 and jaw frame 6, and drawing reference numeral 92 is the ball between positioning boss 12 and adapter sleeve.Drawing reference numeral 98 is a pad.
Described clutch bindiny mechanism comprises the set connection groove 42 corresponding with the body rotational angle of body 4 inwalls and is connected groove 43, promptly corresponding connection position with the body rotational angle, described clutch bindiny mechanism comprises link slot set on the adapter sleeve 32, is provided with spring 96 in the described link slot and connects the steel ball 97 of body 4 and adapter sleeve.Drawing reference numeral 94 is for being connected the spacing jump ring of the body 4 on the adapter sleeve.
The spacing position-limited edge 31 that is configured as on the adapter sleeve that adapter sleeve is set, set body 4 rotational angles of body 4 are spacing to be configured as the flanging 41 that cooperates with the position-limited edge of adapter sleeve.
In the present embodiment, be provided with the back cover 93 of connector motion relatively at the rear of described body.Drawing reference numeral 91 is for being connected the spacing jump ring of the back cover 93 on the connector.
Described adapter sleeve is provided with from locking element 2, and described connector correspondence is provided with and the teeth groove 11 that cooperates from locking element from locking element, and the inwall of described body 4 is provided with control and disengages and the cam surface 44 of lock fit state from locking element and teeth groove.
In the present embodiment, from locking element is rotating lock dog, drawing reference numeral 22 is its lock end that cooperates with teeth groove 11, drawing reference numeral 23 is its afterbody, drawing reference numeral 99 is its installation shaft, be provided with the mounting groove 33 of lock dog in the described adapter sleeve, drawing reference numeral 35 is the installing hole of installation shaft 99, and described adapter sleeve also is provided with the spring 95 of effect lock dog.Described spring 95 is the stage clip of effect lock dog afterbody, and described adapter sleeve is provided with the stage clip mounting groove 34 that communicates with the lock dog mounting groove.
When operation, as shown in Figure 2, the afterbody of lock dog is in outside the groove of cam surface 44, be in the state of disengaging from locking element and teeth groove, during steel ball 97 is in link slot 32 and is connected groove 42, steel ball 97 is connected body 4 with adapter sleeve, rotate counterclockwise body 4, the drive adapter sleeve rotates, the jaw frame is rotated relative to connector, screw rod 7 is ejected jaw forward gradually and clamp drill bit, when jaw is clamped drill bit, continue to rotate counterclockwise body 4, steel ball 97 is deviate from from groove 42, spring 94 is compressed, body 4 is in temporary transient separated position with adapter sleeve, body 4 relative adapter sleeves turn an angle, and when body 4 goes to the opposite side of flanging 41 and position-limited edge 31 when colliding, steel ball 97 is headed in the groove 43 by spring 96, body 4 recovers to be connected the location with adapter sleeve, the afterbody of lock dog is in the groove of cam surface 44, and the lock end insertion teeth groove 11 from locking element is in the lock fit state from locking element and teeth groove 11, be rotated further body 4, flanging 41 with can continue to drive adapter sleeve rotation cooperating of position-limited edge 31, slip on teeth groove 11 surfaces from the lock end of locking element, jaw clamps drill bit more tightly.At this moment, drill chuck is in self-locking state, when the drill chuck backward rotation, can stop the jaw frame to rotate relative to connector from locking element with the cooperation of teeth groove 11, makes the clamping of jaw maintenance to drill bit.
When getting loose operation, be reversed aforesaid operations and get final product.

Claims (7)

1, a kind of novel keyless drill chuck, comprise the connector that connects driving device, the screw rod that is connected with connector centre bore reverse thread, jaw, protheca, the jaw frame, the adapter sleeve that is connected with the jaw frame, it is characterized in that described drill chuck is provided with the body that drives the adapter sleeve rotation, be provided with clutch bindiny mechanism between described body and the adapter sleeve, described adapter sleeve is provided with the spacing configuration that described body rotates relative to adapter sleeve, described body is provided with the spacing configuration of body rotational angle that cooperates with the spacing configuration of described adapter sleeve, and described clutch bindiny mechanism has the connection position corresponding with described body rotational angle.
2, a kind of novel keyless drill chuck as claimed in claim 1, it is characterized in that described clutch bindiny mechanism comprises the connection groove corresponding with the body rotational angle that described body inwall is set, described clutch bindiny mechanism comprises link slot set on the adapter sleeve, is provided with spring in the described link slot and connects the steel ball of body and adapter sleeve.
3, a kind of novel keyless drill chuck as claimed in claim 1 is characterized in that the spacing position-limited edge that is configured as on the adapter sleeve that adapter sleeve is set, and the set body rotational angle of described body is spacing to be configured as the flanging that cooperates with the position-limited edge of adapter sleeve.
4, a kind of novel keyless drill chuck as claimed in claim 1 is characterized in that it is provided with the back cover of connector motion relatively at the rear of described body.
5, a kind of novel keyless drill chuck as claimed in claim 1, it is characterized in that described adapter sleeve is provided with from locking element, described connector correspondence is provided with and the teeth groove that cooperates from locking element from locking element, and the inwall of described body is provided with control and disengages and the cam surface of lock fit state from locking element and teeth groove.
6, a kind of novel keyless drill chuck as claimed in claim 5 is characterized in that from locking element be rotating lock dog, is provided with the mounting groove of lock dog and the spring of effect lock dog in the described adapter sleeve.
7, a kind of novel keyless drill chuck as claimed in claim 6 is characterized in that the stage clip of described spring for effect lock dog afterbody, and described adapter sleeve is provided with the stage clip mounting groove that communicates with the lock dog mounting groove.
CNU2008200882346U 2008-06-04 2008-06-04 Novel self-clamping holder for drill Expired - Fee Related CN201223955Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200882346U CN201223955Y (en) 2008-06-04 2008-06-04 Novel self-clamping holder for drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200882346U CN201223955Y (en) 2008-06-04 2008-06-04 Novel self-clamping holder for drill

Publications (1)

Publication Number Publication Date
CN201223955Y true CN201223955Y (en) 2009-04-22

Family

ID=40596833

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200882346U Expired - Fee Related CN201223955Y (en) 2008-06-04 2008-06-04 Novel self-clamping holder for drill

Country Status (1)

Country Link
CN (1) CN201223955Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011140814A1 (en) * 2010-05-10 2011-11-17 浙江三鸥机械股份有限公司 Fast assembled and disassembled drill chuck
CN106180777A (en) * 2016-08-31 2016-12-07 柳尧亭 Stopping device and there is the keyless drill chuck of stopping device
CN109267945A (en) * 2018-11-05 2019-01-25 邹城兖矿泰德工贸有限公司 Geologic drilling rod box cupling

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011140814A1 (en) * 2010-05-10 2011-11-17 浙江三鸥机械股份有限公司 Fast assembled and disassembled drill chuck
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
CN109267945A (en) * 2018-11-05 2019-01-25 邹城兖矿泰德工贸有限公司 Geologic drilling rod box cupling

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090422

Termination date: 20100604

C17 Cessation of patent right