CN205043711U - Auto -lock swivel nut mounting tool - Google Patents
Auto -lock swivel nut mounting tool Download PDFInfo
- Publication number
- CN205043711U CN205043711U CN201520750590.XU CN201520750590U CN205043711U CN 205043711 U CN205043711 U CN 205043711U CN 201520750590 U CN201520750590 U CN 201520750590U CN 205043711 U CN205043711 U CN 205043711U
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- swivel nut
- torque tube
- thread insert
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Abstract
The utility model discloses an auto -lock swivel nut mounting tool, auto -lock swivel nut mounting tool include along upper and lower orientation and extend the torque tube, and the lower extreme of torque tube is equipped with and is used for twisting the wrong head of pulling in the corresponding base member with the auto -lock swivel nut, torque tube nose end in being used for the flaring of auto -lock swivel nut axial motion exerts so that the flaring portion that the part of flaring hole department inflate. The torque tube drives the interior threaded hole that the portion of twisting of pulling can twist the auto -lock swivel nut go into corresponding base member during the use, twists the back, exerts axial motion to the torque tube, and flaring portion can make the flaring hole department of auto -lock swivel nut receive axial and radial force simultaneously, and the auto -lock swivel nut is located to swell at this to can make annular knurl or sawtooth in the auto -lock swivel nut periphery be embedded into in the base member. Utilize the utility model discloses an instrument can accomplish once that twist and the tip is exerted pressure to the auto -lock swivel nut, and simple to operate has improved the installation effectiveness of auto -lock swivel nut.
Description
Technical field
The utility model relates to a kind of self-locking thread insert erecting tools.
Background technology
Due to the particularity that Aero-Space engine connects, engine crankcase need process a lot of internal thread hole, if be directly screwed into steel screw in casing internal thread hole, in rundown process, the screw thread of steel screw directly contacts with aluminum substrate screw thread, relative motion under the effect of axial force, be easy to, by aluminum screw thread scratch crushing, cause Joint failure.Meanwhile, if be directly screwed into steel screw in casing internal thread hole, under engine vibration environment, screw is loose or dislocation very easily, causes engine normally to work.In this case, domestic air mail airspace engine is more and more applied to a kind of Novel self-lock swivel nut.Such as Chinese patent CN101619740A(publication date is 2010.1.6) disclose a kind of method and the self-locking thread insert that strengthen low-intensity engineering material matrix screwed hole intensity, this self-locking thread insert is the swivel nut being provided with external screw thread and internal thread.The upper end external cylindrical surface of swivel nut produces anti-rotation sawtooth, and the external screw thread of swivel nut is regular screw threads.The endoporus of self-locking thread insert comprises upper and lower two parts, and top is divided into enlarging endoporus, and bottom is divided into internal thread hole, and enlarging endoporus is not for having threaded unthreaded hole.In order to be screwed in the internal thread hole of matrix by swivel nut easily, in the internal thread hole of swivel nut, produce inner ring keyway or interior hex slot.In use, be screwed in the screwed hole of matrix by inner hexagon spanner or internal spline spanner, then to establishing serrate one end to carry out punching press, the swivel nut hole of this end swollen, the anti-rotation sawtooth on swivel nut is embedded in matrix.
Chinese patent CN202162773U(authorized announcement date 2012.03.14) disclose band key self-locking stud erecting tools and band key self-locking thread insert erecting tools, this self-locking thread insert erecting tools comprises columniform positioning sleeve and is installed on the straight pin being used as handle of positioning sleeve upper end.The lower end of positioning sleeve is provided with the projection for being combined with the endoporus of self-locking thread insert.When using this self-locking thread insert erecting tools that self-locking thread insert disclosed in above-mentioned patent document CN101619740A is installed, or exist self-locking thread insert is screwed into corresponding matrix screwed hole after also need to utilize other instrument to self-locking thread insert establish serrate one end to apply axial force to carry out punching press.Need replacing instrument or matrix is moved to other positions to utilize die punch, install inconvenient, and installation effectiveness is low.
Utility model content
The purpose of this utility model is to provide a kind of self-locking thread insert erecting tools, can only be screwed into operation, can not apply axial force to self-locking nut and the low technical problem of the installation effectiveness caused to solve existing self-locking thread insert erecting tools to self-locking thread insert.
In order to realize above object, the technical scheme of the utility model self-locking thread insert erecting tools is as follows: self-locking thread insert erecting tools comprises and extends torque tube along the vertical direction, its axis direction of the lower end edge of torque tube is convexly equipped with the twisting head be screwed in the internal thread hole for being inserted into self-locking thread insert and by self-locking thread insert in corresponding matrix, described torque tube comprises for applying the expansion mouth that swells to make the part at described enlarging endoporus place of axially-movable to nose end in the enlarging of self-locking thread insert after self-locking thread insert being screwed into corresponding matrix by twisting head, described expansion mouth is arranged at the top of described twisting head.
Described expansion mouth has for extruding with the port wall of described enlarging endoporus the taper seat coordinated.
The frustum that described expansion mouth is big up and small down.
Described twisting head is outer hexagonal structure.
The upper end of described torque tube is provided with the twisting bar being convenient to it be applied to moment of torsion.
Described twisting bar is arranged on described torque tube along the radial direction of described torque tube.
The beneficial effects of the utility model: erecting tools of the present utility model arranges expansion mouth above twisting head, after applying moment of torsion to torque tube, torque tube drives twisting portion self-locking thread insert can be screwed in the internal thread hole of corresponding matrix.After being screwed into place, apply axially-movable to torque tube, expansion mouth can make the enlarging endoporus place of self-locking thread insert simultaneously by axis and radial load, and self-locking thread insert swells at this place, thus the annular knurl on self-locking thread insert periphery or sawtooth can be made to be embedded in matrix.In the process of installing self-locking thread insert, utilize instrument of the present utility model once to complete to be screwed into self-locking thread insert and exert pressure in end, need not instrument be changed, easy for installation, improve the installation effectiveness of self-locking thread insert.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the utility model self-locking thread insert erecting tools;
Fig. 2 is the utility model self-locking thread insert erecting tools schematic diagram in use;
Fig. 3 is the structural representation of the self-locking thread insert in Fig. 2;
Fig. 4 is the left view of Fig. 3.
Detailed description of the invention
The embodiment of a kind of self-locking thread insert erecting tools of the utility model: as Figure 1-4, this self-locking thread insert erecting tools comprises extension torque tube 2 along the vertical direction, and its axis direction of the lower end edge of torque tube 2 is convexly equipped with the twisting head 4 for being inserted in the internal thread hole of self-locking thread insert.The upper end of torque tube 2 is provided with the twisting bar 1 being convenient to it be applied to moment of torsion, and twisting bar 1 is arranged on torque tube 2 along the radial direction of torque tube 2.
The utility model erecting tools for the internal thread hole of self-locking thread insert 7 comprise upper and lower two parts, top is divided into enlarging endoporus, and bottom is divided into internal thread hole 8, and enlarging endoporus 6 is not for having threaded unthreaded hole.Produce inner hexagonal hole 9 in internal thread hole, inner hexagonal hole 9 is fabrication hole, and the size of inner hexagonal hole 9 accounts for a part for the effective tooth depth of internal thread.The outer lower portion of self-locking thread insert 7 is divided into common external screw thread; Upper part is provided with annular knurl 10 along its circumference, also can be arranged to sawtooth.Twisting head 4 is outer hexagonal structure, and twisting head coordinates with the inner hexagonal hole of self-locking thread insert is adaptive, spin-ended.Torque tube 2 comprises for applying the expansion mouth 3 that swells to make the part at enlarging endoporus place of axially-movable to nose end in the enlarging of self-locking thread insert after self-locking thread insert being screwed into corresponding matrix by twisting head, and expansion mouth 3 is arranged at the top of twisting head.The frustum that expansion mouth 3 is big up and small down, the taper seat of expansion mouth 3 and the upper surface interference fits of twisting head 4.
In use, first self-locking thread insert 7 to be installed is put into the internal thread hole of matrix 5, matrix refers to engine crankcase to erecting tools of the present utility model in the present embodiment.Be inserted into by twisting head 4 in the internal thread of self-locking thread insert 7, twisting head 4 coordinates with the inner hexagonal hole of internal thread hole, then rotates twisting bar 1 pair of torque tube 2 and applies moment of torsion, self-locking thread insert 7 is screwed in the internal thread hole of matrix 5.After being screwed into place, then axial force is applied by twisting bar 1 pair of torque tube 2, the taper seat of expansion mouth 3 is contacted with the hole wall of the upper end of the enlarging endoporus 6 of self-locking thread insert, outside due to expansion mouth is taper surface, while axially-movable is applied to self-locking thread insert 7, the part being positioned at enlarging endoporus place of self-locking thread insert 7 can be subject to radial forces, thus swells.The annular knurl 10 of self-locking thread insert periphery can embed in matrix, thus ensures that self-locking thread insert not easily loosens.
In other embodiments, expansion mouth is not frustum yet, as long as its periphery has for extruding with the port wall of enlarging endoporus the taper seat coordinated, the hole wall of enlarging endoporus can be made to be subject to axis and radial forces simultaneously.
In other embodiments, if the fabrication hole in the internal thread hole of self-locking thread insert is inner ring keyhole, so twisting head is in external splines shape adaptive with it.The shape of twisting head is arranged according to the fabrication hole in the self-locking thread insert of reality.
In other embodiments, twisting bar can not be plugged on torque tube, directly can be weldingly fixed on the upper end of torque tube.
Claims (6)
1. a self-locking thread insert erecting tools, comprise and extend torque tube along the vertical direction, its axis direction of the lower end edge of torque tube is convexly equipped with the twisting head be screwed in the internal thread hole for being inserted into self-locking thread insert and by self-locking thread insert in corresponding matrix, it is characterized in that: described torque tube comprises for applying the expansion mouth that swells to make the part at described enlarging endoporus place of axially-movable to nose end in the enlarging of self-locking thread insert after self-locking thread insert being screwed into corresponding matrix by twisting head, and described expansion mouth is arranged at the top of described twisting head.
2. self-locking thread insert erecting tools according to claim 1, is characterized in that: described expansion mouth has for extruding with the port wall of described enlarging endoporus the taper seat coordinated.
3. self-locking thread insert erecting tools according to claim 2, is characterized in that: the frustum that described expansion mouth is big up and small down.
4. self-locking thread insert erecting tools according to claim 1, is characterized in that: described twisting head is outer hexagonal structure.
5. self-locking thread insert erecting tools as claimed in any of claims 1 to 4, is characterized in that: the upper end of described torque tube is provided with the twisting bar being convenient to it be applied to moment of torsion.
6. self-locking thread insert erecting tools according to claim 5, is characterized in that: described twisting bar is arranged on described torque tube along the radial direction of described torque tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520750590.XU CN205043711U (en) | 2015-09-25 | 2015-09-25 | Auto -lock swivel nut mounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520750590.XU CN205043711U (en) | 2015-09-25 | 2015-09-25 | Auto -lock swivel nut mounting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205043711U true CN205043711U (en) | 2016-02-24 |
Family
ID=55337326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520750590.XU Active CN205043711U (en) | 2015-09-25 | 2015-09-25 | Auto -lock swivel nut mounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205043711U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757095A (en) * | 2016-03-21 | 2016-07-13 | 哈尔滨东安发动机（集团）有限公司 | Self-locking thread sleeve device |
| CN106493682A (en) * | 2016-11-28 | 2017-03-15 | 北京动力机械研究所 | A kind of mounting tool of thin-walled self-locking thread insert and installation method |
| CN107520350A (en) * | 2016-06-21 | 2017-12-29 | 张家港市思杰五金工具有限公司 | Inner ring die guide |
-
2015
- 2015-09-25 CN CN201520750590.XU patent/CN205043711U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757095A (en) * | 2016-03-21 | 2016-07-13 | 哈尔滨东安发动机（集团）有限公司 | Self-locking thread sleeve device |
| CN107520350A (en) * | 2016-06-21 | 2017-12-29 | 张家港市思杰五金工具有限公司 | Inner ring die guide |
| CN106493682A (en) * | 2016-11-28 | 2017-03-15 | 北京动力机械研究所 | A kind of mounting tool of thin-walled self-locking thread insert and installation method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |