CN203649581U - Floating tapping device - Google Patents
Floating tapping device Download PDFInfo
- Publication number
- CN203649581U CN203649581U CN201420016333.9U CN201420016333U CN203649581U CN 203649581 U CN203649581 U CN 203649581U CN 201420016333 U CN201420016333 U CN 201420016333U CN 203649581 U CN203649581 U CN 203649581U
- Authority
- CN
- China
- Prior art keywords
- drive link
- clearance
- axial region
- hole portion
- connecting 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
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The utility model discloses a floating tapping device. The floating tapping device comprises a transmission rod and a body; the transmission rod is provided with a connecting shaft portion; the body is provided with a connecting hole portion; the transmission rod and the body are in clearance fit; the fit clearance is from 0.20 to 0.35 mm; a plurality of inner ring grooves are formed in the connecting shaft portion along the axial direction; O-shaped rings are arranged inside the inner ring grooves; the body and the transmission rod are provided with a cross pin which penetrates the body and the transmission rod; the cross pin and one of the body and the transmission rod are in interference fit; the cross pin and the other one of the body and the transmission rod are in clearance fit; the fit clearance is from 0.8 to 1 mm. The floating tapping device has the advantages of not entangling machined threads, guaranteeing the machining accuracy of the threads and enabling a screw tap to be not easy to break off.
Description
Technical field
The utility model relates to drilling machine, threading apparatus accessory technical field, relate in particular to a kind of can make the screw thread that processes can sleave, the not floating thread tapper of frangibility of screw tap.
Background technology
Floating thread tapper kind is in the market more, but complex structure, production cost are high, and need clamp screw tap with special tap chuck.In use, screw tap position and tap chuck bottom outlet position easily misplace, and may make the screw thread sleave of processing, and precision is overproof, and screw tap easily fractures.
Utility model content
The purpose of this utility model is the defect for above-mentioned prior art, provides a kind of and can make the floating thread tapper that the screw thread that processes can sleave, ensures the machining accuracy of screw thread, and screw tap is not easy to fracture.
To achieve these goals, the technical scheme that the utility model adopts is:
A kind of floating thread tapper, comprise drive link, body, one of them is provided with connection axial region, another is provided with the connecting hole portion suitable with being connected axial region, described drive link is connected by axis hole with body, drive link and body matched in clearance, and fit clearance is 0.20～0.35mm, connect axial region multiple inner grooves are set vertically, in described inner groove, be provided with O type circle; Described body and drive link are provided with the pin-and-hole that runs through body and drive link, and lateral pin is inside set, wherein interference fit of described lateral pin and body, drive link, with another part matched in clearance wherein, fit clearance is 0.8～1mm.
As the improvement to technique scheme, the excircle of described connecting hole portion arranges outer groove on the position with respect to pin-and-hole, the described outer groove snap ring that has been installed.
As the improvement to technique scheme, the front end of described body is provided with the internal taper hole suitable with standard collet chuck, with installation code collet chuck, and clamping screw tap.
As the improvement to technique scheme, the leading section of described drive link is for connecting axial region, and body rear end is the connecting hole portion suitable with being connected axial region, and drive link is installed in body; The connection axial region of drive link arranges multiple inner grooves vertically, the in-built O type of described inner groove circle; Described lateral pin and drive link interference fit, with body matched in clearance.
As the improvement to technique scheme, the leading section of described drive link is connecting hole portion, and body rear end is the be connected axial region suitable with connecting hole portion, and body is installed in drive link; The connection axial region of body arranges multiple inner grooves vertically, the in-built O type of described inner groove circle; Described lateral pin and body interference fit, with drive link matched in clearance.
Compared with prior art, the beneficial effects of the utility model are:
Floating thread tapper of the present utility model, body is flexibly connected by axis hole with drive link, matched in clearance, wherein interference fit of lateral pin and body, drive link, with another part matched in clearance wherein, between body and drive link, be provided with O type circle, when tapping, body can swing at arbitrary circumferencial direction, under the effect of O type circle 5, automatically reset, so just can make body have amount of floating axially and radially simultaneously; So screw tap can sleave in tapping, screw tap is not easy to fracture; The excircle of the connecting hole portion snap ring that has been installed on the position with respect to pin-and-hole, lateral pin can not drop out.Floating thread tapper of the present utility model can make the floating thread tapper that the screw thread that processes can sleave, ensures the machining accuracy of screw thread, and screw tap is not easy to fracture.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the utility model the first embodiment;
Fig. 2 is the structural representation of the utility model the second embodiment;
In figure: 1, drive link; 2, body; 3, lateral pin; 4, snap ring; 5, O type circle.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment mono-:
As shown in Figure 1, the floating thread tapper of the present embodiment, comprise drive link 1, body 2, the leading section of described drive link 1 is for connecting axial region, these 2 body rear ends are the connecting hole portion suitable with being connected axial region, drive link 1 is installed in body 2, drive link 1 and body 2 matched in clearance, and fit clearance is 0.20～0.35mm; The connection axial region of drive link 1 arranges multiple inner grooves vertically, the in-built O type of described inner groove circle 5; Described body 2 is provided with drive link 1 pin-and-hole that runs through body 2 and drive link 1, and lateral pin 3 is inside set, described lateral pin 3 and drive link 1 interference fit, and with body 2 matched in clearance, fit clearance is 0.8～1mm;
The excircle of the connecting hole portion of described body 2 arranges outer groove on the position with respect to pin-and-hole, the described outer groove snap ring 4 that has been installed.
The front end of described body 2 is provided with the internal taper hole suitable with standard collet chuck, with installation code collet chuck, and clamping screw tap.
Embodiment bis-:
As shown in Figure 2, the leading section of described drive link 1 is connecting hole portion, and body 2 rear ends are the be connected axial region suitable with connecting hole portion, and body 2 is installed in drive link 1, body 2 and drive link 1 matched in clearance, and fit clearance is 0.20～0.35mm; The connection axial region of body 2 arranges multiple inner grooves vertically, the in-built O type of described inner groove circle 5; Described body 2 is provided with drive link 1 pin-and-hole that runs through body 2 and drive link 1, and lateral pin 3 is inside set, and described lateral pin 3 and body 2 interference fit, with drive link 1 matched in clearance; Fit clearance is 0.8～1mm.All the other,, with embodiment mono-, omit herein.
Claims (5)
1. a floating thread tapper, comprise drive link, body, it is characterized in that: one of them is provided with connection axial region described drive link, body, another is provided with the connecting hole portion suitable with being connected axial region, described drive link is connected by axis hole with body, drive link and body matched in clearance, and fit clearance is 0.20～0.35mm, connect axial region multiple inner grooves are set vertically, in described inner groove, be provided with O type circle; Described body and drive link are provided with the pin-and-hole that runs through body and drive link, and lateral pin is inside set, wherein interference fit of described lateral pin and body, drive link, with another part matched in clearance wherein, fit clearance is 0.8～1mm.
2. floating thread tapper according to claim 1, is characterized in that: the leading section of described drive link is for connecting axial region, and body rear end is the connecting hole portion suitable with being connected axial region, and drive link is installed in body; The connection axial region of drive link arranges multiple inner grooves vertically, the in-built O type of described inner groove circle; Described lateral pin and drive link interference fit, with body matched in clearance.
3. floating thread tapper according to claim 1, is characterized in that: the leading section of described drive link is connecting hole portion, and body rear end is the be connected axial region suitable with connecting hole portion, and body is installed in drive link; The connection axial region of body arranges multiple inner grooves vertically, the in-built O type of described inner groove circle; Described lateral pin and body interference fit, with drive link matched in clearance.
4. according to the floating thread tapper described in claim 1 or 2 or 3, it is characterized in that: the excircle of described connecting hole portion arranges outer groove on the position with respect to pin-and-hole the described outer groove snap ring that has been installed.
5. floating thread tapper according to claim 4, is characterized in that: the front end of described body is provided with the internal taper hole suitable with standard collet chuck, with installation code collet chuck, and clamping screw tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016333.9U CN203649581U (en) | 2014-01-08 | 2014-01-08 | Floating tapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016333.9U CN203649581U (en) | 2014-01-08 | 2014-01-08 | Floating tapping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203649581U true CN203649581U (en) | 2014-06-18 |
Family
ID=50916018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420016333.9U Expired - Fee Related CN203649581U (en) | 2014-01-08 | 2014-01-08 | Floating tapping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203649581U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109420802A (en) * | 2017-08-30 | 2019-03-05 | 常州市博斯特精密机械有限公司 | A kind of axis radial direction float tapping mechanism |
| CN114309807A (en) * | 2022-01-26 | 2022-04-12 | 广西玉柴机器股份有限公司 | Floating cutter handle for reaming and using method thereof |
-
2014
- 2014-01-08 CN CN201420016333.9U patent/CN203649581U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109420802A (en) * | 2017-08-30 | 2019-03-05 | 常州市博斯特精密机械有限公司 | A kind of axis radial direction float tapping mechanism |
| CN114309807A (en) * | 2022-01-26 | 2022-04-12 | 广西玉柴机器股份有限公司 | Floating cutter handle for reaming and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20150108 |
|
| EXPY | Termination of patent right or utility model |