CN203650433U - Auxiliary tool for inlaying thread bushing - Google Patents
Auxiliary tool for inlaying thread bushing Download PDFInfo
- Publication number
- CN203650433U CN203650433U CN201320817729.9U CN201320817729U CN203650433U CN 203650433 U CN203650433 U CN 203650433U CN 201320817729 U CN201320817729 U CN 201320817729U CN 203650433 U CN203650433 U CN 203650433U
- Authority
- CN
- China
- Prior art keywords
- guide groove
- inclined guide
- cross
- groove seat
- tooth
- 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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Abstract
An auxiliary tool for inlaying a thread bushing comprises an inclined guide groove seat, a tightening shaft, a sliding clamping sleeve and four sliding teeth. The inclined guide groove seat is provided with a cross groove and an inclined guide groove. The groove bottom of the inclined guide groove gradually rises backwards along the axial direction. The tightening shaft penetrates into a central hole of the inclined guide groove seat. Inner threads are arranged on a central hole of the sliding clamping sleeve and are screwed with outer threads of the tightening shaft. An annular groove and a cross part are arranged on the periphery of the sliding clamping sleeve. The cross part is embedded in the cross groove of the inclined guide groove seat. Each sliding tooth comprises a tooth root, an inclined key and a top tooth, wherein the tooth root penetrates through the cross groove of the inclined guide groove seat and then is inserted in the annular groove of the sliding clamping sleeve, and the inclined key and the top tooth are embedded in the inclined guide groove of the inclined guide groove seat. The tightening shaft rotates and drives, through the sliding clamping sleeve, the four sliding teeth to move in the axial direction along the cross groove. Meanwhile, the four sliding teeth are guided by the inclined guide groove to move in the radial direction. The auxiliary tool for inlaying the thread bushing is good in universality, convenient to operate, and suitable for insertion operation of various kinds of thread bushings.
Description
Technical field
The utility model relates to a kind of small tool, is specifically related to a kind of screw thread edge and applies mechanically aid, belongs to Machining Technology field.
Background technology
On component of machine, often there is more screw to process by the method for tapping, due to the impact of various factors, the defect that screw thread can occur in unavoidable generation processes rotten tooth, in this case parts directly being scrapped is that cost is very large, especially all the more so to heavy parts.A kind of remedial measure of conventionally taking is, the screw of defect is inlayed to cover, on part noumenon, on the original position of defect screw, process a thread Pilot hole larger than drawing requirement, and then processing is equipped with the swivel nut of screw thread inside and outside one, the external screw thread of swivel nut is tightened in thread Pilot hole, the screw thread that the internal thread of swivel nut is drawing requirement.Because the inside and outside circle of this thread bush is screw thread, therefore not by aid, pincers worker is difficult to the requirement that swivel nut is tightened in bottom outlet and reach predetermined screw-down torque.If need, the thread Pilot hole of edge cover is suitable for reading an open-work, also must make special edge cover instrument, otherwise cannot implement the operation of edge cover.Except remedying defect screw, also have some special technological requirements to need double thread to inlay cover.
Existing edge cover instrument is specifically to need special making according to edge cover at every turn, can only be suitable for concrete condition at that time, does not possess versatility, and the cost of consumption is also higher.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of screw thread edge to apply mechanically aid, improve the versatility to each screw thread specification, no longer need, to the disposable edge cover of the special making of each edge cover instrument, to reach the effect that reduces insetting case technology cost.
For achieving the above object, technical solution of the present utility model is as follows:
A kind of screw thread edge is applied mechanically aid, and it comprises:
Inclined guide groove seat, has centre bore, and front portion is provided with cross recess and inclined guide groove, and this cross recess cross section is radially cross, and the bottom land of this inclined guide groove raises vertically backward gradually;
Tighten axle, be placed through in the centre bore of described inclined guide groove seat, its front portion is provided with external screw thread;
Slip cutting ferrule, its centre bore be provided with internal thread and be combined on described in tighten on the external screw thread of axle, the periphery of this slip cutting ferrule is provided with annular groove and hip cross, this hip cross cross section is radially cross and embeds in the cross recess of described inclined guide groove seat;
Four slide teeth, each slide teeth includes tooth root, taper key and apical tooth, and this tooth root is inserted in the annular groove of described slip cutting ferrule actively through the cross recess of described inclined guide groove seat, and this taper key and apical tooth embed in the inclined guide groove of described inclined guide groove seat slidably;
Described rotation of tightening axle drives four slide teeth to move axially along described cross recess by slip cutting ferrule, and four slide teeth are moved radially by described inclined guide groove guiding simultaneously.
Further, the profile of tooth of described slide teeth apical tooth and the internal thread of the described thread bush of being inlayed match.
Further, to be provided with cross section be the square portion that screws at the described rear portion of tightening axle.
Further, the rear portion of described inclined guide groove seat is provided with the power of the pulling portion of being convenient to spanner clamping.
Compared with prior art, the utility model has the advantages that:
1, versatility is good, by adjusting the thread bush that the radial position of slide teeth can suitable for various size;
2, easy to operate, thread bush can be tightened in bottom outlet smoothly;
3, be specially adapted to the bottom outlet thread bush that also has one section of darker counterbore suitable for reading.
Brief description of the drawings
Fig. 1 is transverse sectional view of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but should not limit protection domain of the present utility model with this.
Refer to Fig. 1, diagram screw thread edge applies mechanically that aid comprises inclined guide groove seat 2, tightens axle 1, slip cutting ferrule 3 and four slide teeth 4.
Described inclined guide groove seat 2 has centre bore, and front portion is provided with cross recess 22 and inclined guide groove 21, and this cross recess 22 cross section is radially cross, and the bottom land of this inclined guide groove 21 raises vertically backward gradually; The rear portion of described inclined guide groove seat 2 is provided with the power of the pulling portion 23 of being convenient to spanner clamping.
, there is certain gap between the two, to ensure that both can relatively rotate in described tightening in the centre bore that axle 1 is placed through described inclined guide groove seat 2; This front portion of tightening axle 1 is provided with external screw thread, and it is the square portion that screws 11 that rear portion is provided with cross section.
Described slip cutting ferrule 3 has establishes female centre bore, described in this centre bore is combined on, tightens on the external screw thread of axle 1; The periphery of this slip cutting ferrule 3 is provided with annular groove 32 and hip cross 31, and this hip cross 31 cross section is radially in cross and the cross recess 22 that embeds described inclined guide groove seat 2.This slip cutting ferrule 3 is the main drive disk assemblies in total, and intensity and the manufacture of this part are had relatively high expectations.
Each slide teeth 4 includes tooth root 41, taper key 42 and apical tooth 43, this tooth root 41 is inserted in the annular groove 32 of described slip cutting ferrule 3 actively through the cross recess 22 of described inclined guide groove seat 2, and this taper key 42 and apical tooth 43 embed in the inclined guide groove 21 of described inclined guide groove seat 2 slidably; The internal thread of the profile of tooth of described apical tooth 43 and the described thread bush of being inlayed matches.
Described rotation of tightening axle 1 drives four slide teeth 4 to move axially along described cross recess 22 by slip cutting ferrule 3, and four slide teeth 4 are moved radially by described inclined guide groove 21 guiding simultaneously.Described slip cutting ferrule 3 utilizes its unique cross structure to be embedded in the cross recess 22 of inclined guide groove seat 2, defining slip cutting ferrule 3 can only move along the axis of inclined guide groove seat 2, can not relatively rotate with inclined guide groove seat 2, by its inner screw thread with tighten externally threaded on axle 1 and mutually agree with, realized and be converted into slip cutting ferrule 3 and the relative displacement of inclined guide groove seat 2 on axis direction by tightening axle 1 with relatively rotating of inclined guide groove seat 2.The space that annular groove 32 on this slip cutting ferrule 3 or slide teeth 4 radially move simultaneously.Slide teeth 4 tooth roots 41 are embedded in the annular groove 32 of slip cutting ferrule 3, and in the time that slip cutting ferrule 3 and inclined guide groove seat 2 vertically relative displacement occur, this embedded structure defines slide teeth 4 and also must move in the lump with slip cutting ferrule 3; Taper key 42 in slide teeth 4 is embedded in the inclined guide groove 21 of inclined guide groove seat 2, this structure is core texture of the present utility model, due to the effect of this inclined guide groove 21, slide teeth 4 is in the time moving forward and backward along inclined guide groove seat 2 axis with slip cutting ferrule 3, slide teeth 4 also can radially move along inclined guide groove seat 2, thus the outer diameter of a circle that regulates four apical tooths 43 to form.
Using method of the present utility model is as follows:
First will tighten axle 1 and turn clockwise, slip cutting ferrule 3 is screwed into and tightens axle 1 right-hand member, slide teeth 4 slides into described aid right-hand member in the lump, and now slide teeth 4 is subject to inclined guide groove 21 and leads, in retraction aid; Then aid is put into by edge thread bush, and will tighten axle 1 and be rotated counterclockwise, by slip cutting ferrule 3 to tightening axle 1 left end, slide teeth 4 slides into aid left end in the lump, now slide teeth 4 is subject to inclined guide groove 21 guiding and stretches out aid, the apical tooth 43 in slide teeth 4 outsides embeds in the tooth of thread bush endoporus, along with tightening tighter that axle 1 is rotated counterclockwise, and slide teeth 4 and mutual embed tighter of thread bush.
After aid embedding thread bush is enough tight, just thread bush can be screwed in edge cover bottom outlet in the lump together with aid, operator can use spanner to block the power of the pulling portion 23 of inclined guide groove seat 2 rear ends, and thread bush is screwed into bottom outlet.Thread bush can will be tightened clockwise axle 1 again and unscrew after being screwed onto bottom, take out aid.
The utility model, by its special skewed slot relative sliding structure, has been realized within the scope of certain screw thread nominal diameter and has been possessed versatility, when the thread bush with open-work is radially bumped into operation, no longer needs to make specific instrument.Described aid tighten and unclamp easy to operate, and can bear enough power, the pretightning force that can make thread bush be screwed into edge cover bottom outlet reaches re-set target.
Claims (4)
1. screw thread edge is applied mechanically an aid, it is characterized in that:
Described aid comprises:
Inclined guide groove seat, has centre bore, and front portion is provided with cross recess and inclined guide groove, and this cross recess cross section is radially cross, and the bottom land of this inclined guide groove raises vertically backward gradually;
Tighten axle, be placed through in the centre bore of described inclined guide groove seat, its front portion is provided with external screw thread;
Slip cutting ferrule, its centre bore be provided with internal thread and be combined on described in tighten on the external screw thread of axle, the periphery of this slip cutting ferrule is provided with annular groove and hip cross, this hip cross cross section is radially cross and embeds in the cross recess of described inclined guide groove seat;
Four slide teeth, each slide teeth includes tooth root, taper key and apical tooth, and this tooth root is inserted in the annular groove of described slip cutting ferrule actively through the cross recess of described inclined guide groove seat, and this taper key and apical tooth embed in the inclined guide groove of described inclined guide groove seat slidably;
Described rotation of tightening axle drives four slide teeth to move axially along described cross recess by slip cutting ferrule, and four slide teeth are moved radially by described inclined guide groove guiding simultaneously.
2. screw thread edge according to claim 1 is applied mechanically aid, it is characterized in that: the profile of tooth of described slide teeth apical tooth and the internal thread of the described thread bush of being inlayed match.
3. screw thread edge according to claim 1 is applied mechanically aid, it is characterized in that: it is the square portion that screws that the described rear portion of tightening axle is provided with cross section.
4. screw thread edge according to claim 1 is applied mechanically aid, it is characterized in that: the rear portion of described inclined guide groove seat is provided with the power of the pulling portion of being convenient to spanner clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320817729.9U CN203650433U (en) | 2013-12-11 | 2013-12-11 | Auxiliary tool for inlaying thread bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320817729.9U CN203650433U (en) | 2013-12-11 | 2013-12-11 | Auxiliary tool for inlaying thread bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203650433U true CN203650433U (en) | 2014-06-18 |
Family
ID=50916869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320817729.9U Expired - Fee Related CN203650433U (en) | 2013-12-11 | 2013-12-11 | Auxiliary tool for inlaying thread bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203650433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687791A (en) * | 2020-07-30 | 2020-09-22 | 重庆电子工程职业学院 | Front-mounted front-drive engine and suspension frame mounting tool |
| CN112908662A (en) * | 2021-03-22 | 2021-06-04 | 保定天威保变电气股份有限公司 | Method for solving sealing performance of threaded hole |
-
2013
- 2013-12-11 CN CN201320817729.9U patent/CN203650433U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687791A (en) * | 2020-07-30 | 2020-09-22 | 重庆电子工程职业学院 | Front-mounted front-drive engine and suspension frame mounting tool |
| CN111687791B (en) * | 2020-07-30 | 2021-08-03 | 重庆电子工程职业学院 | Front-mounted front-drive engine and suspension frame mounting tool |
| CN112908662A (en) * | 2021-03-22 | 2021-06-04 | 保定天威保变电气股份有限公司 | Method for solving sealing performance of threaded hole |
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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: 20211211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |