CN104989734A - Shaft fastener - Google Patents
Shaft fastener Download PDFInfo
- Publication number
- CN104989734A CN104989734A CN201510342307.4A CN201510342307A CN104989734A CN 104989734 A CN104989734 A CN 104989734A CN 201510342307 A CN201510342307 A CN 201510342307A CN 104989734 A CN104989734 A CN 104989734A
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- CN
- China
- Prior art keywords
- fixed block
- mounting part
- axial mounting
- diameter
- horizontal fixed
- 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.)
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention provides a shaft fastener which is characterized in that the fastener comprises a locating shaft (1), an axial fixing piece (2), a transverse fixing piece (3) and steel cable baffle rings (4), wherein the axial fixing piece (2) consists of two annular cylinders with the identical outer diameters and different inner diameters, and is arranged at the outer wall of the locating shaft (1) in a sleeving manner; the transverse fixing piece (3) is arranged between the other end of the axial fixing piece (2) and the locating shaft (1) in a sleeving manner; a baffle ring groove A is formed in the inner wall of the other end of the axial fixing piece (2); a baffle ring groove B is formed in the outer wall of the transverse fixing piece (3); and the steel cable baffle rings (4) are arranged in the baffle ring groove A and the baffle ring groove B. The fastener is reliable in anti-loosing effect, can be repeatedly dismounted, mounted and used, has no influence to the shaft strength, and can be used for axial locking and locating with a larger axial force.
Description
Technical field
The present invention relates to a kind of fastener, specifically relate to a kind of axle fastener.
Background technique
At present, mechanically conventional axle locking and positioning mode has polytype, according to locking principle, two classes can be divided into: a class reaches anti-loosing effect by increasing frictional force, such as lock pad with stripped nut, this kind of measure can play locking effect to a certain extent, but effect is very unreliable.Its major defect is that lock washer thickness is too small, then larger axis cannot be prevented to power; Otherwise, then cause lock washer be difficult to pull put in place and lock washer repeatedly bending easily there is fatigue fracture and cannot repeatedly use.Another kind of is mechanical type anti-loose method, be fixed on axle by link (as locked spacer, cotter pin etc.) by mechanical for stripped nut, the locking inevitable damage along with link of losing efficacy, only when axial force is less, locking measure is comparatively reliable.The conventional locking mode of axle mechanical type has the measure such as cotter pin, locked spacer, this kind of measure generally only can a dismounting, and dismounting is difficult, when varying load, larger axial force and vibration anti-loosing effect have a greatly reduced quality, and on transmission shaft, get pin-and-hole, have larger weakening to the intensity of axle.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of axle fastener, by mechanical type locking principle, provide a kind of axle fastener repeating dismounting, under larger axial force effect, anti-loosing effect is not good, dismounting is difficult, part measure weakens the problems such as axle intensity to solve traditional axle mechanical lock clamping and positioning device.
For realizing above-mentioned object, the invention provides a kind of axle fastener, described fastener comprises positioning shaft (1), Axial Mounting Part (2), horizontal fixed block (3) and Steel Cable Baffle Ring (4);
Described Axial Mounting Part (2) is the ring-type cylinder formation that two external diameter same inner diameter are different, described Axial Mounting Part (2) aperture, one end is identical with described positioning shaft (1) diameter, and described Axial Mounting Part (2) the other end aperture is identical with described horizontal fixed block (3) diameter;
Described horizontal fixed block (3) is ring-type cylinder, and its inner aperture is identical with described positioning shaft (1) diameter;
Described Axial Mounting Part (2) is sheathed on the fixed block of described positioning shaft (1) outer wall; Between the other end that described horizontal fixed block (3) is placed on described axially locating part (2) and described positioning shaft (1);
Described Axial Mounting Part (2) the other end inwall has circlip groove A, and described horizontal fixed block (4) outer wall is provided with circlip groove B, and described circlip groove A is corresponding with described circlip groove B position; Described Steel Cable Baffle Ring (4) is arranged in described circlip groove A and circlip groove B.
Preferably, described Axial Mounting Part (2) outer wall has gasket groove; Described horizontal fixed block (3) outer wall is provided with projection, and described projection is corresponding with described gasket groove position.
Preferably, described Axial Mounting Part (2) one end inwall is provided with internal thread; The part that described positioning shaft (1) contacts with described stationary axle (2) is provided with outside thread, and described positioning shaft (1) and horizontal fixed block (3) mating part are provided with external splines; The inwall of described horizontal stationary axle (3) is provided with the internal spline matched with external splines.
Preferably, described outside thread large footpath diameter is less than described external splines large footpath diameter, and described outside thread minor diameter is less than described external splines minor diameter.
Preferably, described external splines and internal spline all use modulus to be the low module spline of 0.5 or 1, the knuckle-tooth root spline of pressure angle 45 °.
Preferably, described Steel Cable Baffle Ring (4) can select the standard piece of GB/T 895.1-86, also can designed, designed, selects the spring steel materials such as 65Mn.
Preferably, described Axial Mounting Part (2) is round nut.
Preferably, described horizontal fixed block (3) is packing ring.
Compared with immediate prior art, excellent effect of the present invention is:
Anti-loosing effect is reliable, can repeat dismounting and use, and on axle intensity without impact, can be used for the axial locking location that axial force is larger.
Accompanying drawing explanation
Fig. 1 is axle fastener erection drawing of the present invention;
Fig. 2 is the Axial Mounting Part structural drawing of axle fastener of the present invention;
Fig. 3 is the horizontal anchor structure figure of axle fastener of the present invention;
The Steel Cable Baffle Ring structural drawing of Fig. 4 position axle fastener of the present invention;
The positioning axis structure figure of Fig. 5 position axle fastener of the present invention.
Wherein: 1 be positioning shaft, 2 be Axial Mounting Part, 3 be horizontal fixed block, 4 for Steel Cable Baffle Ring
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As Figure 1-5, described fastener comprises positioning shaft (1), Axial Mounting Part (2), horizontal fixed block (3) and Steel Cable Baffle Ring (4); Described Axial Mounting Part (2) is the ring-type cylinder formation that two external diameter same inner diameter are different, described Axial Mounting Part (2) aperture, one end is identical with described positioning shaft (1) diameter, and described Axial Mounting Part (2) the other end aperture is identical with described horizontal fixed block (3) diameter; Described horizontal fixed block (3) is ring-type cylinder, and its inner aperture is identical with described positioning shaft (1) diameter; Described Axial Mounting Part (2) is sheathed on the fixed block of described positioning shaft (1) outer wall; Between the other end that described horizontal fixed block (3) is placed on described axially locating part (2) and described positioning shaft (1); Described Axial Mounting Part (2) the other end inwall has circlip groove A, and described horizontal fixed block (4) outer wall is provided with circlip groove B, and described circlip groove A is corresponding with described circlip groove B position; Described Steel Cable Baffle Ring (4) is arranged in described circlip groove A and circlip groove B.Described Axial Mounting Part (2) outer wall has gasket groove; Described horizontal fixed block (3) outer wall is provided with projection, and described projection is corresponding with described gasket groove position.
Described Axial Mounting Part (2) one end inwall is provided with internal thread; The part that described positioning shaft (1) contacts with described stationary axle (2) is provided with outside thread, and described positioning shaft (1) and horizontal fixed block (3) mating part are provided with external splines; The inwall of described horizontal stationary axle (3) is provided with the internal spline matched with external splines.Described outside thread large footpath diameter is less than described external splines large footpath diameter, and described outside thread minor diameter is less than described external splines minor diameter.Described external splines and internal spline all use modulus to be the low module spline of 0.5 or 1, the knuckle-tooth root spline of pressure angle 45 °.Described Steel Cable Baffle Ring (4) can select the standard piece of GB/T 895.1-86, also can designed, designed, selects the spring steel materials such as 65Mn.
Described Axial Mounting Part (2) is round nut.
Described horizontal fixed block (3) is packing ring.
During assembling, described Axial Mounting Part (2) is screwed on positioning shaft (1), and apply screw-down torque, described Steel Cable Baffle Ring (4) is put into the circlip groove B of described horizontal fixed block (3), described horizontal fixed block (3) is pushed between described Axial Mounting Part (2) and described positioning shaft (1) by matching spline, in the process pushed away, need to clamp described Steel Cable Baffle Ring (4) with from described two other groove of axially locating part (2).Treat that described Steel Cable Baffle Ring (4) enters in the circlip groove of described axially locating part (2) and described lateral retainer (3) completely, namely install.
Described Steel Cable Baffle Ring (4) can select the standard piece of GB/T 895.1-86, also can designed, designed, selects the spring steel materials such as 65Mn.
Described Axial Mounting Part (2) can use round nut, and described horizontal fixed block (3) can use packing ring.
Finally should be noted that: above embodiment is only in order to illustrate that technological scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. an axle fastener, is characterized in that, described fastener comprises positioning shaft (1), Axial Mounting Part (2), horizontal fixed block (3) and Steel Cable Baffle Ring (4);
Described Axial Mounting Part (2) is the ring-type cylinder formation that two external diameter same inner diameter are different, described Axial Mounting Part (2) aperture, one end is identical with described positioning shaft (1) diameter, and described Axial Mounting Part (2) the other end aperture is identical with described horizontal fixed block (3) diameter;
Described horizontal fixed block (3) is ring-type cylinder, and its inner aperture is identical with described positioning shaft (1) diameter;
Described Axial Mounting Part (2) is sheathed on the fixed block of described positioning shaft (1) outer wall; Between the other end that described horizontal fixed block (3) is placed on described axially locating part (2) and described positioning shaft (1);
Described Axial Mounting Part (2) the other end inwall has circlip groove A, and described horizontal fixed block (4) outer wall is provided with circlip groove B, and described circlip groove A is corresponding with described circlip groove B position; Described Steel Cable Baffle Ring (4) is arranged in described circlip groove A and circlip groove B.
2. a kind of axle fastener as claimed in claim 1, is characterized in that, described Axial Mounting Part (2) outer wall has gasket groove; Described horizontal fixed block (3) outer wall is provided with projection, and described projection is corresponding with described gasket groove position.
3. a kind of axle fastener as claimed in claim 1, is characterized in that, described Axial Mounting Part (2) one end inwall is provided with internal thread; The part that described positioning shaft (1) contacts with described stationary axle (2) is provided with outside thread, and described positioning shaft (1) and horizontal fixed block (3) mating part are provided with external splines; The inwall of described horizontal stationary axle (3) is provided with the internal spline matched with external splines.
4. a kind of axle fastener as claimed in claim 3, is characterized in that, described outside thread large footpath diameter is less than described external splines large footpath diameter, and described outside thread minor diameter is less than described external splines minor diameter.
5. a kind of axle fastener as claimed in claim 3, is characterized in that, described external splines and internal spline all use modulus to be the low module spline of 0.5 or 1, the knuckle-tooth root spline of pressure angle 45 °.
6. a kind of axle fastener as claimed in claim 1, is characterized in that, described Steel Cable Baffle Ring (4) can select the standard piece of GB/T 895.1-86, also can designed, designed, selects the spring steel materials such as 65Mn.
7. a kind of axle fastener as claimed in claim 1, is characterized in that, described Axial Mounting Part (2) is round nut.
8. a kind of axle fastener as claimed in claim 1, is characterized in that, described horizontal fixed block (3) is packing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342307.4A CN104989734A (en) | 2015-06-18 | 2015-06-18 | Shaft fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342307.4A CN104989734A (en) | 2015-06-18 | 2015-06-18 | Shaft fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104989734A true CN104989734A (en) | 2015-10-21 |
Family
ID=54301596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510342307.4A Pending CN104989734A (en) | 2015-06-18 | 2015-06-18 | Shaft fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104989734A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333019A (en) * | 2015-11-17 | 2016-02-17 | 珠海格力电器股份有限公司 | Bearing assembly structure |
| CN110056578A (en) * | 2019-05-10 | 2019-07-26 | 中国航发湖南动力机械研究所 | Bearing compresses locking device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4505628A (en) * | 1981-03-09 | 1985-03-19 | Meibuhr George C | Bearing locknut |
| CN201916330U (en) * | 2010-11-18 | 2011-08-03 | 宁波乐斯博电子实业有限公司 | Anti-loose fastener |
| CN202484042U (en) * | 2012-03-16 | 2012-10-10 | 中国航空动力机械研究所 | Anti-loosing assembly for shafts and reducer containing assembly |
| CN202646308U (en) * | 2012-06-10 | 2013-01-02 | 徐工集团工程机械股份有限公司科技分公司 | Engineering machinery chassis driving axle annular gear shaft end slack-preventing device |
| CN104358788A (en) * | 2014-10-31 | 2015-02-18 | 宁波星箭航天机械有限公司 | Device for locking high-speed bearing |
-
2015
- 2015-06-18 CN CN201510342307.4A patent/CN104989734A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4505628A (en) * | 1981-03-09 | 1985-03-19 | Meibuhr George C | Bearing locknut |
| CN201916330U (en) * | 2010-11-18 | 2011-08-03 | 宁波乐斯博电子实业有限公司 | Anti-loose fastener |
| CN202484042U (en) * | 2012-03-16 | 2012-10-10 | 中国航空动力机械研究所 | Anti-loosing assembly for shafts and reducer containing assembly |
| CN202646308U (en) * | 2012-06-10 | 2013-01-02 | 徐工集团工程机械股份有限公司科技分公司 | Engineering machinery chassis driving axle annular gear shaft end slack-preventing device |
| CN104358788A (en) * | 2014-10-31 | 2015-02-18 | 宁波星箭航天机械有限公司 | Device for locking high-speed bearing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333019A (en) * | 2015-11-17 | 2016-02-17 | 珠海格力电器股份有限公司 | Bearing assembly structure |
| CN110056578A (en) * | 2019-05-10 | 2019-07-26 | 中国航发湖南动力机械研究所 | Bearing compresses locking device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151021 |