CN207058400U - A kind of three-pawl type alignment pin - Google Patents
A kind of three-pawl type alignment pin Download PDFInfo
- Publication number
- CN207058400U CN207058400U CN201720876778.8U CN201720876778U CN207058400U CN 207058400 U CN207058400 U CN 207058400U CN 201720876778 U CN201720876778 U CN 201720876778U CN 207058400 U CN207058400 U CN 207058400U
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- jaw
- selling sheet
- conical screw
- pin
- adjusting nut
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Abstract
The utility model is a kind of three-pawl type alignment pin, three-jaw selling sheet is that step is cylindric, three-jaw selling sheet is enclosed on outside conical screw, conical screw and three-jaw selling sheet pass through the through holes of two pin ears, adjusting nut is mounted in end, and adjusting nut is placed on conical screw, the fixing nut being placed on conical screw is additionally provided with the outside of adjusting nut.The utility model reaches three-jaw selling sheet using wedge shape conduction motion mode the effect of concentric locating in a manner of expanding, it is simple and efficient to handle, manner of the bar portion of three-jaw selling sheet in pin-and-hole can be made by pine to tightly, effectively reduce the attrition of the bar portion of part and three-jaw selling sheet, the quality cycle of tool part is extended while guarantee precision again, three-pawl type alignment pin both can guarantee that the concentricity of connector, in working condition, and can reaches desired pin mating connection effect as needed, compact, it is lighter, it is easily portable and operates.
Description
Technical field
It the utility model is related to field of machining, more particularly to a kind of three-pawl type alignment pin.
Background technology
In traditional mechanized equipment manufacturing field, it is often necessary to various detent mechanisms and auxiliary locator etc. are used,
Especially in aviation industry in aircraft rigger dress, the positioning element quantity of frock clamp is more, and mode is various, required precision
It is high.The assembling manufacturing precision of frock clamp provides safeguard for the assembly precision of aircraft, conventional T-shaped alignment pin, clamping and positioning pin
Although simple and easy to use, many deficiencies be present, such as in some are coaxial, wear the mechanism of axis connection, using existing fixed
Position pin when concentric locating it is more difficult, the precision of the assembling and setting obtained tend not to reach preferable state, it is necessary to debugging when
Between it is longer, and easily because concentricity precision difference and to form shearing force between connector, make bearing pin connect frictional force it is larger, rapid wear
Consumption is destroyed, so as to cause component movement ability.
Utility model content
The utility model aims to solve the problem that the deficiencies in the prior art, and provides a kind of three-pawl type alignment pin.
The utility model to achieve the above object, using following technical scheme：A kind of three-pawl type alignment pin, its feature exist
In, including firm banking, three-jaw selling sheet, conical screw and adjusting nut, firm banking upper surface both sides are extended with respectively
Ear is sold, corresponding through hole is provided with the middle part of two pin ears, the conical screw is more than the cone of point diameter in rear end diameter
Shape, the three-jaw selling sheet are that step is cylindric,
The three-jaw selling sheet is in step-like arc-like sheet including three, and the outer surface of three arc-like sheets is provided with corresponding
Groove, the rubber ring for being used for holding three arc-like sheets tightly is provided with the groove, the three-jaw selling sheet is enclosed on the cone
Outside shape screw rod, the front-end and back-end of the conical screw are stretched out outside the front-end and back-end of the three-jaw selling sheet respectively, described
Three-jaw selling sheet includes bar portion and end, and the diameter of the end is more than the diameter of the bar portion, and the wall thickness of the bar portion
With the diameter change of the conical screw on the contrary, the thickness of the rear end barrel of i.e. described bar portion is less than the thickness of front end barrel,
The bar portion of the rear end of the conical screw and the three-jaw selling sheet is described jointly through the through hole of two pin ears
End is outside two pin ears, and the adjusting nut is mounted in the end, and the adjusting nut is placed on
On the conical screw, the fixing nut being placed on the conical screw is additionally provided with the outside of the adjusting nut.
Particularly, the both ends of the conical screw are inserted with locking pin one and locking pin two respectively.
Particularly, three anti-rotation grooves are additionally provided with rear side of the end of the three-jaw selling sheet, three anti-rotation grooves are located at respectively
Form on three arc-like sheets of the three-jaw selling sheet, be also equipped with and the anti-rotation on the outer wall of the pin ear below the end
The corresponding antiturning fastener board of groove, the contact surface of the anti-rotation groove and the antiturning fastener board is plane.
Particularly, it is additionally provided with installing plate on the firm banking.
Particularly, be provided with caulking groove in the end, one end of the adjusting nut is provided with projection, the adjusting nut it is convex
Rise and be mounted in the caulking groove of the end.
The beneficial effects of the utility model are：The utility model conducts motion mode by three-jaw selling sheet to expand using wedge shape
Mode reach the effect of concentric locating, it is simple and efficient to handle, manner of the bar portion of three-jaw selling sheet in pin-and-hole can be made
By pine to tightly, the attrition of the bar portion of part and three-jaw selling sheet is effectively reduced, ensures to extend work again while precision
The quality cycle of part is filled, three-pawl type alignment pin both can guarantee that the concentricity of connector, and and can is as needed in working condition
Reach desired pin mating connection effect, compact is lighter, is easily portable and operates.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is sectional view of the present utility model；
Fig. 3 is the structural representation of three-jaw selling sheet of the present utility model；
In figure：1- firm bankings；2- three-jaw selling sheets；3- conical screws；4- adjusting nuts；5- fixing nuts；6- rubber rings；
7- antiturning fastener boards；8- locking pins one；9- locking pins two；10- sells ear；11- installing plates；12- anti-rotation grooves；13- ends；14- bar portions；
It is described in detail referring to the drawings below with reference to embodiment of the present utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Figure 1, 2, 3, a kind of three-pawl type alignment pin, it is characterised in that including firm banking 1, three-jaw selling sheet 2, cone
Shape screw rod 3 and adjusting nut 4, the upper surface both sides of firm banking 1 are extended with pin ear 10, two middle parts of pin ear 10 respectively
Provided with corresponding through hole, the conical screw 3 is more than the taper of point diameter in rear end diameter, and the three-jaw selling sheet 2 is platform
Rank is cylindric,
The three-jaw selling sheet 2 is in step-like arc-like sheet including three, and the outer surface of three arc-like sheets is provided with relatively
The groove answered, is provided with the rubber ring 6 for being used for holding three arc-like sheets tightly in the groove, and the three-jaw selling sheet 2 is enclosed on institute
State outside conical screw 3, the front-end and back-end of the conical screw 3 stretch out respectively the three-jaw selling sheet 2 front-end and back-end it
Outside, the three-jaw selling sheet 2 includes bar portion 14 and end 13, and the diameter of the end 13 is more than the diameter of the bar portion 14, and institute
The wall thickness of bar portion 14 is stated with the diameter change of the conical screw 3 on the contrary, the thickness of the rear end barrel of i.e. described bar portion 14
Less than the thickness of front end barrel,
The bar portion 14 of the rear end of the conical screw 3 and the three-jaw selling sheet 2 is jointly through the logical of two pin ears 10
Hole, the end 13 is outside two pin ears 10, and the adjusting nut 4 is mounted in the end 13, and institute
State adjusting nut 4 to be placed on the conical screw 3, the outside of adjusting nut 4, which is additionally provided with, is placed on consolidating on the conical screw 3
Determine nut 5.
Particularly, the both ends of the conical screw 3 are inserted with locking pin 1 and locking pin 29 respectively.
Particularly, the rear side of end 13 of the three-jaw selling sheet 2 is additionally provided with three anti-rotation grooves 12, and three anti-rotation grooves 12 divide
On three arc-like sheets that the three-jaw selling sheet 2 Wei Yu not formed, also installed on the outer wall of the pin ear 10 below the end 13
There is the antiturning fastener board 7 corresponding with the anti-rotation groove 12, the contact surface of the anti-rotation groove 12 and the antiturning fastener board 7 is plane.
Particularly, it is additionally provided with installing plate 11 on the firm banking 1.
Particularly, caulking groove is provided with the end 13, one end of the adjusting nut 4 is provided with projection, the adjusting nut 4
Projection be mounted in the caulking groove of the end 13.
During utility model works, hold three-jaw selling sheet 2 tightly by rubber ring 6 and be centered around outside conical screw 3, remove anti-
Out of stock 29, the rear end of conical screw 3 and three-jaw selling sheet 2 are passed through to the through hole of pin ear 10, they are now the free shape of three-jaw alignment pin
State, then rotating adjusting nut 4, make conical screw 3 be conducted by screw thread and move axially, will be around outside conical screw 3
The external diameter increase of three-jaw selling sheet 2, until completing to lock positioning, is inserted into locking pin 29.Simultaneously antiturning fastener board 7 embedded in appoint
The purpose for making alignment pin anti-rotation in the operating condition is can reach when at one anti-rotation groove 12 of meaning.
The utility model is exemplarily described above in conjunction with accompanying drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, if the various improvement that methodology and technical scheme of the present utility model are carried out are employed, or without
Improvement directly applies to other occasions, within the scope of protection of the utility model.
Claims (5)
1. a kind of three-pawl type alignment pin, it is characterised in that including firm banking (1), three-jaw selling sheet (2), conical screw (3) and adjust
Nut (4) is saved, firm banking (1) the upper surface both sides are extended with pin ear (10), set in the middle part of two pin ears (10) respectively
There is corresponding through hole, the conical screw (3) is more than the taper of point diameter in rear end diameter, and the three-jaw selling sheet (2) is
Step is cylindric,
The three-jaw selling sheet (2) is in step-like arc-like sheet including three, and the outer surface of three arc-like sheets is provided with corresponding
Groove, the rubber ring (6) for being used for holding three arc-like sheets tightly is provided with the groove, the three-jaw selling sheet (2) is enclosed on
The conical screw (3) is outside, and the front end of the three-jaw selling sheet (2) is stretched out in the front-end and back-end of the conical screw (3) respectively
Outside rear end, the three-jaw selling sheet (2) includes bar portion (14) and end (13), and the diameter of the end (13) is more than the bar
The diameter in portion (14), and the diameter change of the wall thickness of the bar portion (14) and the conical screw (3) is on the contrary, i.e. described bar
The thickness of the rear end barrel in portion (14) is less than the thickness of front end barrel,
The rear end of the conical screw (3) and the bar portion (14) of the three-jaw selling sheet (2) pass through two pin ears (10) jointly
Through hole, outside two pin ears (10), the adjusting nut (4) is mounted in the end end (13)
(13) in, and the adjusting nut (4) is placed on the conical screw (3), is additionally provided with the outside of the adjusting nut (4) and is placed on institute
State the fixing nut (5) on conical screw (3).
A kind of 2. three-pawl type alignment pin according to claim 1, it is characterised in that the both ends of the conical screw (3) point
Locking pin one (8) and locking pin two (9) are not inserted with.
A kind of 3. three-pawl type alignment pin according to claim 2, it is characterised in that the end of the three-jaw selling sheet (2)
(13) rear side is additionally provided with three anti-rotation grooves (12), and three anti-rotation grooves (12) are respectively positioned at the composition three-jaw selling sheet (2)
On three arc-like sheets, it is also equipped with the outer wall of the pin ear (10) below the end (13) relative with the anti-rotation groove (12)
The antiturning fastener board (7) answered, the anti-rotation groove (12) and the contact surface of the antiturning fastener board (7) are plane.
4. a kind of three-pawl type alignment pin according to claim 3, it is characterised in that be additionally provided with the firm banking (1)
Installing plate (11).
A kind of 5. three-pawl type alignment pin according to claim 4, it is characterised in that caulking groove is provided with the end (13),
One end of the adjusting nut (4) is provided with projection, and the projection of the adjusting nut (4) is mounted in the embedding of the end (13)
In groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720876778.8U CN207058400U (en) | 2017-07-19 | 2017-07-19 | A kind of three-pawl type alignment pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720876778.8U CN207058400U (en) | 2017-07-19 | 2017-07-19 | A kind of three-pawl type alignment pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207058400U true CN207058400U (en) | 2018-03-02 |
Family
ID=61512094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720876778.8U Active CN207058400U (en) | 2017-07-19 | 2017-07-19 | A kind of three-pawl type alignment pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207058400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964856A (en) * | 2020-07-16 | 2020-11-20 | 芜湖天航装备技术有限公司 | Special pin shaft for vibration test of aviation launcher and use method thereof |
-
2017
- 2017-07-19 CN CN201720876778.8U patent/CN207058400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964856A (en) * | 2020-07-16 | 2020-11-20 | 芜湖天航装备技术有限公司 | Special pin shaft for vibration test of aviation launcher and use method thereof |
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