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CN201405144Y - Tap connecting rod - Google Patents

Tap connecting rod Download PDF

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Publication number
CN201405144Y
CN201405144Y CN2009201408277U CN200920140827U CN201405144Y CN 201405144 Y CN201405144 Y CN 201405144Y CN 2009201408277 U CN2009201408277 U CN 2009201408277U CN 200920140827 U CN200920140827 U CN 200920140827U CN 201405144 Y CN201405144 Y CN 201405144Y
Authority
CN
China
Prior art keywords
spring chuck
screw tap
stop pin
cylinder stop
installing hole
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
CN2009201408277U
Other languages
Chinese (zh)
Inventor
杨贻计
朱岩
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.)
Guangxi Yuchai Machinery Co Ltd
Original Assignee
Guangxi Yuchai 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 Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN2009201408277U priority Critical patent/CN201405144Y/en
Application granted granted Critical
Publication of CN201405144Y publication Critical patent/CN201405144Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a tap connecting rod, which comprises a main body, a cylindrical anti-rotating pin, a spring clip sleeve and a lock nut; the spring clip sleeve is matched with the main body; an inner hole is matched with a screw tap; the cylindrical anti-rotating pin is closely matched with the main body; a clamping groove is formed on the cylindrical anti-rotating pin; the clamping groove is in clearance fit with the shank of the screw tap, so as to prevent the rotation of the screw tap; the lock nut is matched with the main body; and the lock nut and the main body are tightened to lead the spring clip sleeve to deform and clamp the screw tap. The utility model has the advantages of simple structure, easy manufacture, good manufacturability, low cost, and convenient and reliable use, and can be widely used in the field of machining manufacture.

Description

A kind of tapping extension bar
Technical field
The utility model relates to a kind of tapping extension bar, relates in particular to a kind of tapping extension bar that clamping separates with anti-rotating function of locating.
Background technology
At present, general tapping extension bar is to finish the location by the spring chuck to clamp and anti-rotating function.Be that spring chuck endoporus is made of two ends, leading portion circular hole rear portion is a square hole; Circular hole partly is used for the location and clamps, and square hole plays the anti-rotation effect.The part but it structurally also comes with some shortcomings: square hole is followed at spring chuck circular hole rear portion, causes manufacturability relatively poor, and manufacturing cost is higher.
The utility model content
The technical problems to be solved in the utility model provides a kind of simple in structure, good manufacturability, cost is low, clamps convenient and reliable tapping extension bar.
For solving the problems of the technologies described above, the utility model provides a kind of tapping extension bar, comprise body, cylinder stop pin, spring chuck and locking nut, the spring chuck cooperates with body, and endoporus and screw tap are suitable, cylinder stop pin and body tight fit, establish draw-in groove on the cylinder stop pin, draw-in groove and screw tap shank matched in clearance are used for the screw tap anti-rotation, locking nut cooperates with body, and locking nut and body tighten move spring chuck distortion of pusher and clamp screw tap.
In the technique scheme, the spring chuck is made of one section cone and one section cylinder, and described endoporus is a cylindrical hole.The tapering of cone can be 25 °~45 °.
In the technique scheme, be provided with the spring chuck installing hole and the cylinder stop pin installing hole that vertically run through in the body, and cylinder stop pin installing hole is greater than spring chuck installing hole.
Owing to adopt above-mentioned technical scheme, the utlity model has following beneficial effect:
1, simple in structure, easy manufacturing, good manufacturability, cost are low;
2, owing to body medi-spring chuck installing hole and the perforation of cylinder stop pin installing hole, and cylinder stop pin installing hole makes that greater than spring chuck installing hole the manufacturability of making is better.
3, because spring chuck endoporus is single circular hole, need not connect one section square hole, make good manufacturability easily.
4, because spring clip is with bigger cone angle, mounting or dismounting are simple, convenient.
5, cylinder stop pin and body tight fit, the screw tap anti-rotation is more reliable, and required clamping force is littler.
6, at the specification of different screw taps, change different spring chucks and different cylinder stop pins, just can realize conversion, very convenient.
Description of drawings
Fig. 1 is the utility model tapping extension bar structural representation;
Fig. 2 is the utility model tapping extension bar spring chuck profile schematic diagram (wherein 2-A is a front view, and 2-B is a side view);
Fig. 3 is the utility model tapping extension bar cylinder stop pin schematic diagram;
Fig. 4 is cylinder stop pin installing hole and a spring chuck installing hole relative position schematic diagram in the utility model tapping extension bar body.
Mark the following drawings mark thereon in conjunction with the accompanying drawings:
The 1-body; 2-cylinder stop pin; 3-spring chuck; The 4-locking nut; The 5-screw tap; 11-spring chuck installing hole; 12-cylinder stop pin installing hole; The 21-draw-in groove; The 31-cone; The 32-cylinder; The 33-endoporus.
The specific embodiment
Shown in Fig. 1-4, the utility model provides a kind of tapping extension bar, comprise body 1, cylinder stop pin 2, spring chuck 3 and locking nut 4, it (is that the spring chuck is made of one section cone 31 and one section cylinder 32 that spring chuck 3 has the conical surface and cylinder to cooperate with body, itself and intrinsic spring chuck installing hole 11 are suitable), the tapering of the conical surface is 25 °~45 °.Spring chuck 3 is established circular inner hole 33, and opens four grooves, and as shown in Figure 2, endoporus 33 cooperates with screw tap 5.Cylinder stop pin 2 and body 1 tight fit are established draw-in groove 21 on the cylinder stop pin 2, draw-in groove 21 and screw tap 5 shank orientation matched in clearance play the anti-rotation effect.Locking nut 4 cooperates with body 1, tightens pusher spring chuck 3 distortion of moving and clamps screw taps 5.
As shown in Figure 4, establish the spring chuck installing hole 11 (comprising taper hole and cylindrical hole) and the cylinder stop pin installing hole 12 that vertically run through in the body, spring chuck installing hole 11 cooperates with the spring chuck; Cylinder stop pin installing hole 12 is bigger than spring chuck installing hole 11, can make the technology escape, and with cylinder stop pin close-fitting.
The utility model separates the location clamping of screw tap with anti-rotating function, realize respectively that with spring chuck and two parts of cylinder stop pin anufacturability is good, and convenient the manufacturing is safe and reliable.
It should be noted that at last: above embodiment only in order to the explanation the utility model and and the described technical scheme of unrestricted the utility model; Therefore, although this specification has been described in detail the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of spirit and scope of the present utility model, and it all should be encompassed in the claim scope of the present utility model.

Claims (4)

1, a kind of tapping extension bar, it is characterized in that, comprise body, cylinder stop pin, spring chuck and locking nut, described spring chuck cooperates with body, and endoporus and screw tap are suitable, described cylinder stop pin and body tight fit, establish draw-in groove on the cylinder stop pin, draw-in groove and screw tap shank matched in clearance are used for the screw tap anti-rotation, described locking nut cooperates with body, and locking nut and body tighten move spring chuck distortion of pusher and clamp screw tap.
2, tapping extension bar according to claim 1 is characterized in that, described spring chuck is made of one section cone and one section cylinder, and described endoporus is a cylindrical hole.
3, tapping extension bar according to claim 2 is characterized in that, the tapering of described cone is 25 °~45 °.
4, according to any described tapping extension bar in the claim 1 to 3, it is characterized in that, be provided with the spring chuck installing hole and the cylinder stop pin installing hole that vertically run through in the described body, and cylinder stop pin installing hole is greater than spring chuck installing hole.
CN2009201408277U 2009-05-08 2009-05-08 Tap connecting rod Expired - Fee Related CN201405144Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201408277U CN201405144Y (en) 2009-05-08 2009-05-08 Tap connecting rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201408277U CN201405144Y (en) 2009-05-08 2009-05-08 Tap connecting rod

Publications (1)

Publication Number Publication Date
CN201405144Y true CN201405144Y (en) 2010-02-17

Family

ID=41676066

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009201408277U Expired - Fee Related CN201405144Y (en) 2009-05-08 2009-05-08 Tap connecting rod

Country Status (1)

Country Link
CN (1) CN201405144Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104759710A (en) * 2015-03-18 2015-07-08 廖以良 Tapping tool of drilling machine
CN112975006A (en) * 2021-03-29 2021-06-18 广西玉柴机器股份有限公司 Quick-change tapping connecting rod and using method thereof
CN116197817A (en) * 2023-02-21 2023-06-02 无锡威孚高科技集团股份有限公司 Grinding clamping device for micro-deformation by radial taper locking

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104759710A (en) * 2015-03-18 2015-07-08 廖以良 Tapping tool of drilling machine
CN112975006A (en) * 2021-03-29 2021-06-18 广西玉柴机器股份有限公司 Quick-change tapping connecting rod and using method thereof
CN116197817A (en) * 2023-02-21 2023-06-02 无锡威孚高科技集团股份有限公司 Grinding clamping device for micro-deformation by radial taper locking

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100217

Termination date: 20130508